Quiz
Endocrine Physiology
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Questions in this quiz (125)
1The 'master gland' of the endocrine system is:
- Athe anterior pituitary gland
- Bthe posterior pituitary gland
- Cthe hypothalamus
- Dthe pancreas
- Ethe testis
2insulin
- Aincreases the uptake and utilisation of glucose by muscle and adipose-tissue cells
- Bincreases the uptake and utilisation of glucose by most nerve cells
- Cincreases the uptake of glucose by liver cells
- Dincreases the uptake of glucose by enterocytes
- Eincreases the uptake of glucose by tubular cells
3glucose levels in the blood are lowered by the hormones
- Aglucagon
- Boxytocin
- Cinsulin
- Dcholecystokinin
- Eadrenalin
4hormones
- Aact as coenzymes
- Bact as enzymes
- Cinfluence synthesis of enzymes
- Dbelong to the B-complex group
- Etransmit impulses
5a hormone released from the anterior pituitary is
- Agrowth hormone
- Bvasopressin
- Coxytocin
- Depinephrine
- Einsulin
6a hormone released from the posterior pituitary is
- Aprolactin
- Bthyrotropic hormone
- Cvasopressin
- Dadrenocorticotropic hormone
- Egrowth hormone
7progesterone is produced mainly by the
- Acorpus luteum
- Bhypothalamus
- Cseminiferous tubules
- Dpituitary gland
- Eoviduct
8ovulation is caused by preovulatory increase of the hormone
- AFSH
- Bprogesterone
- Coxytocin
- Doestrogen
- ELH
9in humans, fertilisation usually occurs in the
- Avagina
- Bcervix
- Cuterine cavity
- Duterine tubes
- Eabdominal cavity
10excessive secretion of aldosterone causes
- Ahyponatremia
- Bhypertension
- Calkalosis
- Dpolyuria
- Eall of the above
11the hormone responsible for setting the basal metabolic rate is
- Amelanin
- Bmelatonin
- Cinsulin
- Dthyroxine
- Eglucagon
12which is the hormone with the fastest final effect?
- Atriiodothyronine
- Bthyroxin
- Cthyroglobulin
- DTSH
- ETSH-RH
13ADH is secreted in case of
- Ahyperglycaemia
- Bhypervolemia
- Cdecreased blood osmolarity
- Dmuscle relaxation
- Edehydration
14which of the following will increase plasma potassium concentration
- Abeta-adrenergic receptor agonist
- Binsulin
- Caldosterone
- Depinephrine
- Enone of the above
15the hypothalamus inhibits the release of
- ATSH
- BACTH
- CFSH
- Dsomatotrophic hormone
- Eoxytocin
16oxytocin causes
- Adecrease in systolic blood pressure
- Bwater intoxication
- Cincrease in cardiac pressure
- Dincrease in systolic blood pressure
- Eall of the above
17ADH secretion is decreased by
- Amorphine
- Bnicotine
- Cnausea and vomiting
- Dhypoxia
- Ealcohol
18secondary amenorrhoea can most commonly be caused under the following conditions EXCEPT:
- Aage above 60 years
- Bstress
- Cpregnancy
- Dcompetitive athletes
- Estarvation
19hormones of the hypothalamus secreted by the posterior pituitary gland are:
- AGH and LH
- BCRH and TRH
- CADH and oxytocin
- DADH and vasopressin
- Eprolactin and vasopressin
20neurohormones of the hypothalamus that inhibit hormone secretion by the anterior pituitary gland are
- Ahistamine, serotonin, bradikinin
- Bendorphin, enkephalin, growth hormone- releasing hormone
- Cgrowth hormone inhibiting hormone, prolactin-inhibiting hormone, melanocyteinhibiting hormone
- Dvasopressin, oxytocin, ADH
- Emotilin, gastrin, growth hormone-inhibiting hormone
21hormones of the anterior pituitary gland with effect on definite glands are
- AADH, oxytocin, vasopressin, prolactin
- BACTH, TSH, FSH, LH
- CACTH, cortisol, dehydroepiandrosterone
- DFSH, LH, estrogens, progesterone
- ETSH, T3, T4, calcitonin
22in the hypothalamus is not formed
- Aoxytocin
- Bgrowth hormone-inhibiting hormone
- Cluteinizing hormone-releasing hormone (LHRH)
- Dgrowth hormone
- EADH
23everything is true for ADH except that
- Ait increases diuresis
- Bis secreted by the posterior pituitary gland
- Chyperosmolarity increases ADH secretion
- Dis a vasoconstrictor
- Eis formed in the hypothalamus
24contractility of the uterus is increased by
- Atestosterone
- Boxytocin
- Caldosterone
- Dprogesterone
- Eprolactin
25the growth hormone
- Aexerts anabolic effect
- Bexerts catabolic effect
- Cis secreted by the posterior pituitary effect
- Dis secreted by the hypothalamus
- Enone of the above
26which of the following hormones exerts no effect on growth
- Atestosterone
- Biodine containing hormone
- Cinsulin
- Dvasopressin
- EGH
27iodine containing (+) and iodine not containing (-) hormones of the thyroid gland are
- Atrioodothyronine (+), thryoxine (+), THS (-)
- BTSH (+), thryoxine (+), parathyroid hormone (-)
- Ctrioodothyronine (+), TSH (+), calcitonin (-)
- Dtrioodothyronine (+), thryoxine (+), calcitonin (-)
- Enone of the above
28the basic metabolic rate is increase by
- Athe growth hormone and insulin
- Bthe iodine-containing hormones and catecholamines
- Cthe mineralcorticoids and glucocorticoids
- Dthe iodine-containing hormones and insulin
- Ethe LH and FSH
29humoral factors regulating calcium-phosphorus metabolism are:
- Aparathyroid hormone, calcitonin, insulin
- Bcalcitonin, parathyroid hormone, calcitriol
- Cvitamin D, T3, T4
- DFSH, progesterone, oxytocin
- Enone of the above
30the following hormones are secreted by the pancreas
- Ainsulin, somatostatin, epinephrine, trypsinogen
- Binsulin, glucagon, gastrin, somatostatin
- Cinsulin, glucagon, gastrin, lipase
- Dglucagon, glucose, trypsinogen, chymotrypsinogen
- Einsulin, glucagon, epinephrine, aldosterone
31insulin increases the rate of glucose entering into
- Athe skeletal muscle cells
- Bmost of brain's neurons
- Ctubular cells of kidneys
- Dsmall intestine's mucous cells
- Eliver
32the suprarenal cortex secretes
- Acatecholamines, androgens, iodine containing hormones
- Bglucocorticoids, aldosteron, gastrin
- Cmineralcorticoids, glucocorticoids, sex hormones
- Daldoesteron, ADH, renin
- Enone of the above
33the suprarenal medula secretes
- Aaldosteron, cortisol
- Bepinephrine, norepinephrine
- Cinsulin, glucagon
- Ddehydroepiandrosterone, progesterone
- Erenin, angiotensin II
34aldosterone
- Aincreases Na+ and K+ excretion
- Bdecreases Na+ and K+ excretion
- Cincreases Na+ reabsorption and K+ excretion
- Dincreases Na+ excretion and K+ reabsorption
- Enone of the above
35the excretion of sodium is increased by
- Aatrial natriuretic peptide
- Baldosteron
- Cdehydroepiandrostetone
- Drenin
- Eangiotensin II
36glucocorticoids decrease the level of
- Aneutrophils and basophils
- Beosinophils and lymphocytes
- Cmonocytes and neutrophils
- Deosinophils and thrombocytes
- Enone of the above
37hormones that have a hyperglycemic effect are
- AGH, catecholachamines
- Btriiodothrynonine, thryoxine
- Cglucagon, glucocorticoids
- Dall of them
- Enone of the above
38catecholamines are
- Ahormones
- Bneurotransmitters
- Cneuromodulators
- Dall of the above
- Enone of the above
39which are the male sex hormones and where is their main site of secretion
- Aprogesteron (adrenal glands), estrogens (adrenal glands)
- Btestosterone (testis), dehydroepiandrosterone (adrenal glands)
- Cestrogens (placenta), testosterone (testis)
- Ddehydroepinadrosterone (adrenal glands), prolactin (testis)
- Enone of the above
40which of the hormones are gestagens and where are they secreted
- Aprogesterone (ovaries, placenta)
- Bprolactin (ovaries)
- Cprostaglandins (ovaries, placenta)
- Destradiol (ovaries)
- Enone of the above
41absolutely necessary for the normal spermatogenesis is/are:
- ALH only
- BFSH only
- Ctestosterone and FSH
- Doxytocin and testosterone
- Eandrogens and LH
42immediately before ovulation there is an increase of the serum level of
- ALH
- Boxitocin
- Cprolactin
- Destrogens
- Eprogesterone
43the tests for early pregnancy are based on the presence in the urine
- ALH
- BFSH
- Cestradiol
- Dprogesterone
- Ehuman horiongonadotrophins (hHGs)
44the normal duration of the menstrual period is (days)
- A21-31
- B28
- C20-25
- D28-30
- Enone of the above
45the parathyroid glands secrete
- Acalcitonin
- Bcalcium
- Cparathyroid hormone
- Dvitamin D
- Ecatecholamines
46during stress the level of glucose is increased because of
- Athe level of glucocorticoids is increased
- Bthe level of epinephrine is increased
- Cdepressed secretion of insulin
- Dall of the above
- Enone of the above
47spasm of the bronchi occurs when
- Athe level of catecholamines is increased
- Bthe level of histamine is increased
- Cthe level of glucorticoids is increased
- Dthe level of GH is increased
- Ethe level of angiotensin II is increased
48which of the following hormones have no lipolytic effect
- Ainsulin
- Bglucocorticoids
- Ctestosterone
- Dcortisol
- Egrowth hormone
49a feeling of anxiety is caused by
- Aglucagon
- Binsulin
- Cepinephrine (adrenalin)
- Dadrenocorticotropic hormone
- Enone of the above
50the reason iodine is in table salt is
- Ato prevent diabetes
- Bto prevent endemic goiter
- Cto prevent addison's disease
- Dto prevent cushing syndrome
- Eto prevent osteoporosis
51all hormones react to a negative feedback except
- Aprogesterone
- Bestrogen
- Cprolactin
- Doxytocin
- Enone of the above
52a high blood calcium level may be due to
- Acalcitonin
- Bparathyroid hormone
- Cglucocorticoids
- Dglucagon
- Etestosterone
53lipid hormones derived from cholesterol are
- Aproteins
- Bamino acids
- Cpolypeptides
- Dsteroids
- Eeicosanoids
54This type of hormone must bind to a receptor protein on the plasma membrane of the cell
- Awater soluble and polypeptide
- Blipid soluble
- Csteroid
- Dpolypeptide and lipid soluble
- Esteroid and lipid soluble
55endocrine glands release hormones in response to
- Ahormones from other endocrine glands
- Bchemical characteristics of the blood
- Cneural stimulation
- Dall of the above
- Enone of the above
56the anterior pituitary secretes
- Aoxytocin
- Bendorphins
- CADH
- DTRH (thyreoliberin)
- Ecatecholamines
57this hormone is only produced normally in the body when a woman is pregnant
- Aestrogen
- Bchoriongonadotropic hormone
- Cprogesterone
- DFSH
- ELH
58contractions of the uterus are stimulated by the release of
- Aoxytocin
- BFSH
- CLH
- Dprolactin
- Eestrogen
59gland which shrinks in size during adulthood, and has hormones that function in the maturation of Tlymphocytes
- Alymph nodes
- Bthymus
- Cspleen
- DGALT (gut-associated lymphoid tissue)
- Etonsils
60adrenocorticotrophic hormone (ACTH) secretion increases
- Awhen the median eminence of the hypothalamus is stimulated
- Bwhen cortisol blood levels fall
- Cin bursts during the night as the normal hour of wakening approaches
- Dfollowing severe trauma
- Eall of the above
61melatonin
- Ais produced mainly in the pineal gland
- Bis synthesised in the body from serotonin (5-hydroxytryptamine)
- Cblood levels are highest during the night
- Dinfluences the secretion rates of pituitary hormones
- Eall of the above
62thyroid hormones, when secreted in excess, may cause an increase in the:
- Abasal metabolic rate
- Bfrequency of defaecation
- Cenergy expenditure required for a given workload
- Dheart rate when cardiac adrenergic and cholinergic receptors are blocked
- Eall of the above
63aldosterone secretion is increased by an increase in plasma of
- Aangiotensin II concentration
- Bpotassium concentration
- Crenin concentration
- DACTH concentration
- Eall of the above
64glucocorticoid injections lead to increase in
- Alymph gland size
- Bfibroblastic activity
- Canabolic activity in muscle
- Dbone resorption
- Einflammation and immunity
65the growth hormone
- Apromotes positive nitrogen and phosphorus balance
- Bsecretion is under hypothalamic control
- Csecretion surges during sleep
- Dstimulates the liver to secrete somatomedins which regulate bone and cartilage growth
- Eall of the above
66parathormone
- Aacts directly on bone to increase bone resorption
- Bincreases the urinary output of calcium
- Cincreases phosphate excretion
- Dpromotes absorption of calcium from the intestines
- Eall of the above
67antidiuretic hormone (vasopressin)
- Ais released from nerve endings in the posterior pituitary gland
- Btends to raise the osmolarity of plasma
- Cincreases the permeability of the cells to water in the loop of Henle
- Dsecretion is little affected (less than 10%) by changes in plasma osmolarity
- Edecreases water reabsorbtion in kidneys
68pancreatic glucagon
- Ais produced by the alpha cells of the islets of Langerhans
- Bis a polypeptide
- Coutput is inversely proportional to the blood glucose level
- Dincreases the breakdown of liver glycogen
- Eall of the above
69the concentration of ionized calcium in plasma is
- Athe main regulator of parathormone secretion
- Babout 50% of the total plasma calcium concentration
- Creduced when plasma pH rises
- Dindependent of the plasma albumin changes
- Eall of the above
70cortisol
- Ais bound to an alpha globulin in the plasma
- Binjections lead to arise in arterial pressure
- Cinhibits release of ACTH from the anterior pituitary gland
- Dis released with a circadian variation so that cortisol blood vessels peak in the morning
- Eall of the above
71releasing hormones produced in the hypothalamus
- Aare secreted by cells in the median eminence
- Bpass down blood vessels to reach the pituitary gland
- Cmay control the output of more than one pituitary hormone
- Dregulate the release of thryrotropin
- Eall of the above
72adrenaline secretion from the adrenal glands increases the
- Ablood glucose level
- Bblood free fatty acid levels
- Cblood flow to skeletal muscle
- Drelease of renin in the kidneys
- Eall of the above
73thyroid-stimulating hormone (TSH) secretion is increased
- Aafter partial removal of the thyroid gland
- Bin infants born without a thyroid gland
- Cduring cold seasons
- Dwhen the diet is deficient in iodine
- Eall of the above
74insulin
- Asecretion is decreased by sympathetic nerve activity
- Bfacilitates entry of glucose into skeletal muscle
- Cfacilitates entry of amino acids into skeletal muscle
- Dsecretion is increased by vagal nerve activity
- Eall of the above
75the pituitary gland
- Aregulates activity in all other endocrine glands
- Boutput of oxytocin is regulated by hypothalamic releasing factors
- Cresponds to nervous and hormonal influences from the brain
- Dsecretes antidiuretic hormone when blood osmolarity falls
- Edoes not secrete melanotropin
76thyrocalcitonin
- Ais produced by the follicular cells of the thyroid gland
- Bincreases basal metabolic rate
- Creduces blood calcium in parathyroidectomized animals
- Dsecretion occurs when the blood phosphate level rises
- Estimulates osteoclast activity
77adrenaline differs from noradrenaline in that it
- Aincreases the heart rate when injected intravenously
- Bis the main catecholamine secreted by the adrenal medulla
- Cis a more potent dilator of the bronchi
- Ddilates blood vessels in mucous membranes
- Eall of the above
78growth hormone secretion
- Aincreases when the blood glucose level falls
- Bhas a lactogenic effect
- Cincreases the size of viscera
- Dstimulates liver production of somatomedins
- Eall of the above
79Vitamin D
- Aincreases the intestinal absorption of calcium
- Bis essential for normal calcification of bones in childhood
- Crequires hepatic modification for activation
- Ddeficiency may result in hyperparathyroidism
- Eall of the above
80prolactin
- Ahas a similar chemical structure and physiological action to luteinizing hormone
- Bis responsible for breast growth in puberty
- Crelease is inhibited by dopamine
- Dsecretion is inhibited by suckling of the breast
- Ecauses ejection of milk by the breast during suckling
81thyroxine
- Aincreases the resting rate of carbon dioxide production
- Bis essential for normal development of the brain
- Cis essential for normal red cell production
- Dacts more slowly than triiodothyronine T3
- Eall of the above
82parathormone
- Aincreases the renal clearance of phosphate
- Bmobilizes bone calcium independently of its actions on the kidney
- Cin the blood rises when the calcium level falls
- Dstimulates the final activation of vitamin D (cholecalciferol) in the kidney
- Eall of the above
83the chemical structure of insulin
- Acontains a sterol ring
- Bis identical in all mammalian species
- Cis such that it is effective when taken by mouth
- Dhas been synthesised in the laboratory
- Enone of the above
84hormones secreted by the adrenal cortex
- Ainclude cholesterol
- Bare mostly bound to plasma proteins
- Cinclude cateholamines
- Dare excreted mainly in the bile after conjugation
- Eare essential for the maintenance of pregnancy
85androgen binding protein is produced by
- Aadrenals
- Bhypothalamus
- Csertoli cells
- Dleydig cells
- Eovaries
86secretin differs from cholecystokinin- pancreozymin (CCK-PZ) in that it
- Ais formed by mucosal cells in the upper small intestine
- Bstimulates the pancreas to secrete a juice which is rich in digestive enzymes
- Cstimulates the pancreas to secrete a watery alkaline juice
- Dhas higher effect on gall bladder smooth muscle
- Eincreases gastric motility
87inhibition of angiotensin-converting enzyme (ACE) decreases the
- Aformation of angiotensin II
- Bplasma renin level
- Cdiuresis
- Dcirculating level of angiotensin I
- Etotal body potassium
88early detection of pregnancy depends on detection of
- AFSH
- Bprogesterone
- CLH
- DhCG
- Eestrogen
89sudden complete loss of parathyroid functions
- Aleads to skeletal muscle spasms
- Bmay be fatal if treatment is not given to raise the blood level of ionised calcium
- Cmay be treated in the short term by slow intravenous injection of calcium ions
- Dmay be treated in the long-term by regular doses of vitamin D
- Eall of the above
90when a patient with diabetes insipidus is treated successfully with antidiuretic hormone the
- Aurinary flow rate should fall by about 50 per cent
- Burinary output should be reduced to around 5ml/minute
- Curinary osmolarity should rise to between 100 and 200 mOs/litre
- Dblood pressure should stabilise within the normal range
- Esalt intake should be carefully regulated
91hyperthyroidism is associated with a
- Apositive nitrogen balance
- Bdecreased urinary excretion of calcium
- Cclinical picture consistent with excessive beta adrenoceptor stimulation
- Ddecreased basal metabolic rate
- Erise in the level of thyroxine-binding protein in plasma
92an adrenal medullary tumor (phaeochromocytoma) may cause an increase in
- Asystolic blood pressure which may be transient or constant
- Btremor of the extended hand
- Cbasal metabolic rate
- Durinary catecholamines
- Eall of the above
93insulin
- Arequirements at night are similar to those during the day
- Bhalf-life is usually reduced in patients with diabetes mellitus
- Cis not bound to proteins in the blood
- Drequirements are increased in obesity
- Erequirements are increased by exercise
94the risk of tetany is increased by
- Ahypocalcemia
- Bsudden rises in plasma magnesium
- Cremoval of the anterior pituitary gland
- Dthe onset of respiratory failure
- Ethe onset of renal failure
95excessive glucocorticoid production (Cushing's syndrome) causes an increase in
- Askin thickness
- Bbone strength
- Cblood glucose and arterial pressure
- Dimmunity
- Ethe rate of wound healing
96a pituitary tumor secreting excess growth hormone (GH) in an adult may lead to
- Amyxoedema
- Bgiantism
- Creduced levels of somatomedins in blood
- Dcretinism
- Eraised blood glucose level
97in diabetic ketosis there is a decreased metabolic breakdown of
- Aketones
- Bglycogen
- Cglucose
- Dfat
- Eamino acids
98an oral glucose tolerance test in a patient with
- Adiabetes mellitus shows a higher than normal fasting blood glucose level
- Bdiabetes mellitus shows glycosuria when blood glucose is three times the normal fasting level
- Cdiabetes mellitus shows a delayed return to the fasting blood glucose level
- Dmalabsorption syndrome shows a lower than normal peak level for blood glucose
- Eall of the above
99surgical removal of the pituitary gland is likely to lead to a decrease in
- Amenstrual frequency
- Baxillary hair
- Csexual desire (libido)
- Dbreast size
- Eall of the above
100in the normal menstrual cycle
- Athe proliferative phase depends on oestrogen secretion
- Bcervical mucus becomes more fluid around the time of ovulation
- Covulation is observed after a surge in blood luteinising hormone level
- Dbasal body temperature is higher after ovulation
- Eall of the above
101fertilisation of the human ovum normally
- Aoccurs in the fallopian tubes
- Bprevents further spermatozoa from entering the ovum
- Coccurs 5-7 days before implantation
- Dleads to the secretion of human chorionic gonadotrophin (hCG) within two weeks
- Eall of the above
102secretion of testosterone
- Adepresses pituitary secretion of LH
- Bcauses the epiphyses of long bones to unite
- Cmay lead to a positive nitrogen balance
- Dstimulates growth of body hair
- Eall of the above
103human chorionic gonadotrophic hormone (hCG)
- Ais a steroid
- Bacts directly on the uterus to maintain the endometrium
- Cis formed in the anterior pituitary
- Drises its blood level steadily throughout pregnancy
- Ecan be detected in the urine as an early sign of pregnancy
104compared with the adult, the newborn has less ability to
- Aexcrete bilirubin
- Bmaintain a constant body temperature
- Cmanufacture antibodies
- Ddilute and concentrate urine
- Eall of the above
105androgens are secreted in the
- Afetus in greater quantities than in early childhood
- Bfemale by the ovary
- Cmale by the adrenal cortex
- Dmale in decreasing quantities after the age of 30
- Eall of the above
106cryptorchidism means
- Adescent of the testicles
- Bhypogonadism
- Chyperfunction of the testicles
- Dundescended testicles
- Epriapism
107fetal hemoglobin
- Ais the only type identifiable in fetal blood
- Bforms the bulk of total haemoglobin for the first year of life
- Chas a higher oxygen-carrying capacity than adult haemoglobin
- Dhas a higher affinity than the adult form for oxygen at low pO2
108for normal development and fertility of spermatozoa there must be
- Asecretion of testosterone
- Bsecretion of lutenizing hormone
- Csecretion of follicle-stimulating hormone
- Da testicular temperature under 37C
- Eall of the above
109in the mammary glands
- Amilk formation can be depressed by hypothalamic activity
- Bmaintenance of lactation depends on suckling
- Clactation ceases if the anterior pituitary gland is destroyed
- Dmilk ejection ceases if the posterior pituitary gland is destroyed
- Eall of the above
110the male postpubertal state differs from the prepubertal in that
- Athere is a greater output of 17-ketosteroids in the urine
- Bskeletal muscle is stronger per unit mass of tissue
- Cthe circulating level of follicle stimulating hormone (FSH) is higher
- Dhypothalamic output of gonadotrophin-releasing factors is greater
- Eall of the above
111the interstitial cells of the testis
- Acontribute to the volume of seminal fluid
- Bare the source of the hormone inhibin
- Care stimulated to secrete by lutenising hormone (LH)
- Dare stimulated to secrete by FSH
- Eare non-functional unless the testis descends from the abdomen to the scrotum
112testosterone is secreted by
- Asertoli cells of the testes
- Bcells of the adrenal medulla
- Ccells of the hypothalamus
- Dleydig cells of the testes
- EB cells of the pancreas
113secretion of the growth hormone
- Aincreases during REM sleep
- Bincreases during exercise
- Cincreases during starvation
- Dincreases during non-REM sleep
- Enone of the above
114ejaculation of semen
- Adepends on a spinal cord reflex
- Bdepends on sympathetic nerve activity
- Cinvolved rhythmic contractions of striated muscles
- Dis accompanied by contraction of the cremasteric muscles
- Eall of the above
115cessation of menstruation (secondary amenorrhoea) may occur because of
- Apsychological stress
- Bsevere weight loss
- Ccontinuous administration of oestrogens
- Dcontinuous administration of gonadotropin-releasing hormone (GnRH)
- Eall of the above
116administration of estrogens and progesterons to women
- Aprevents menstruation if given daily throughout the year
- Btends to cause salt and water retention
- Cdepresses secretion of pituitary gonadotrophins
- Ddecreases the likelihood of ovulation
- Eall of the above
117methods for reducing fertility include
- Abilateral ligation and division of the uterine tubes
- Bbilateral ligation and division of the vas deferens
- Cthe use of agents which prevent the fertilised ovum from implantation
- Dmechanical barriers (condoms and caps)
- Eall of the above
118secretion of androgens in the adult female
- Ain large amounts can cause enlargement of the clitoris
- Baffect the voice
- Cmay lead to growth of facial hair
- Dmay result in amenorrhoea
- Eall of the above
119the pineal body (gland)
- Ais in the hypothalamus
- Breleases epinephrine
- Creleases melatonin
- Dcontrols appetite
- Ereleases melanin
120thyroid hormone store in the lumen of follicles is in the form of
- Afree T3
- Bfree T4
- Cattachment to thyroglobulin in the gland
- Dattachment to thyroid binding globulin
- ETTH
121thyrocalcitonin
- Ais secreted by the thyroid gland
- Bis secreted by the hypothalamus
- Cis secreted by the parathyroid glands
- Dincreases Ca2+ absorption by the stomach
- Eis secreted by the kidneys
122cortisol increases blood glucose level by increasing
- Alipolysis
- Bprotein synthesis in muscles
- Cgluconeogenesis
- Dgrowth hormone secretion
- Einsulin secretion
123which of the following is not involved in regulation of plasma Ca 2++ levels
- Akidneys
- Bskin
- Clungs
- Dintestine
- Ebones
124epiphyseal closure is regulated by
- Acalcitonin
- Bsomatomedins
- C1,25 dihydroxycholecalciferol
- Dthyroxine
- Ealdosterone
125excessive growth hormone secretion in adults causes
- Aacromegaly
- Bgigantism
- Cincreased entry of glucose in muscles
- Dhypothyroidism
- Ecretinism
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- human physiology Quiz on Endocrine Physiology, created by Y Y on 07/01/2020.
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