Test
Week 7 HUBS1406 - Endocrine system
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Preguntas del test (62)
1Basal metabolic rate - amount of energy per unit time that a person needs to keep the body functioning at rest.
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2The thyroid gland uses iodine from the foods you eat to make two main hormones: Triiodothyronine (T3) Thyroxine (T4)
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3Triiodothyronine (t3) and thyroxine (t4) both help to regulate body temp, metabolism and heart rate.
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4Triiodothyronine (T3) and Thyroxine (T4) are made in the pineal gland
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5The pituitary gland and hypothalamus both control the thyroid.
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6The pineal gland and hypothalamus both control the thyroid.
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7When [blank_start]thyroid[blank_end] hormone levels drop too low, the [blank_start]hypothalamus[blank_end] secretes TSH [blank_start]Releasing[blank_end] Hormone (TRH), which alerts the pituitary to produce thyroid [blank_start]stimulating[blank_end] hormone (TSH).
- Athyroid
- Bhypothalamus
- CReleasing
- Dstimulating
8The Endocrine system maintains homeostasis
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9The Endocrine works collectively with the nervous system.
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10The Nervous system acts quickly in the body by using neurotransmitters.
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11[blank_start]Hormones[blank_end] are secreted through the blood stream to a particular muscle/cell/tissue
- AHormones
- Bneurons
12Hormones bind to their target cell
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13Hormones don’t always have to secrete into blood stream, it can secrete to nearby cell
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14Some Hormones bind to lipids because they are protein bound hormones.
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15Examples of amino acid-derived hormones include epinephrine and norepinephrine
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16Most lipid hormones are steroid hormones, which are usually ketones or alcohols and are insoluble in water.
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17Steroid hormones (ending in ‘-ol’ or ‘-one’) include estradiol, testosterone, aldosterone, and cortisol.
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18The amino acid – derived hormones (ending in ‘-ine’) are derived from tyrosine and tryptophan and include epinephrine and norepinephrine (produced by the adrenal medulla).
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19Peptide hormones consist of a polypeptide chain; they include molecules such as oxytocin (short polypeptide chain) or growth hormones ( proteins ).
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20Amino acid-derived hormones and protein hormones are water-soluble and insoluble in lipids.
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21Amino acid-derived hormones and protein hormones are water-soluble and soluble in lipids.
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22[blank_start]oxytocin[blank_end]: a hormone that stimulates contractions during labor, and then the production of milk
[blank_start]epinephrine[blank_end]: (adrenaline) an amino acid-derived hormone secreted by the adrenal gland in response to stress
[blank_start]estrogen[blank_end]: any of a group of steroids (lipid-hormones) that are secreted by the ovaries and function as female sex hormones- Aoxytocin
- Bepinephrine
- Cestrogen
23Amino acid hormone – binds to receptor membrane
Peptide hormone – binds to receptor membrane
Lipid (steroid) hormone - binds to cytoplasm- AVerdadero
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24Insulin helps to keep your blood sugar level from getting too high (hyperglycemia) or too low (hypoglycemia).
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25Insulin is a hormone made by the pancreas that allows your body to use sugar (glucose) from carbohydrates in the food that you eat for energy or to store glucose for future use.
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26[blank_start]Insulin[blank_end] helps the body's cells absorb glucose, lowering blood sugar and providing the cells with the glucose they need for energy. ... [blank_start]Glucagon[blank_end] forces the liver to release stored glucose, which causes the blood sugar to rise.
- AInsulin
- BGlucagon
27The pancreas releases glucagon when the concentration of insulin (and indirectly glucose) in the bloodstream falls too low.
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28Glucagon causes the liver to convert stored glycogen into glucose, which is released into the bloodstream.
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29Glycogen is mainly stored in the liver and the muscles and provides the body with a readily available source of energy if blood glucose levels decrease.
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30Glycogen is mainly stored in the liver and the muscles and provides the body with a readily available source of energy if blood glucose levels decrease.
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31Hypothalamus – production of antiduiretic hormone and oxytocin
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32The hypothalamus plays a crucial role in many important functions, including:
- releasing hormones
- regulating body temperature
- maintaining daily physiological cycles
- controlling appetite
- managing of sexual behavior
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33The pituitary gland produces prolactin, which acts on the breasts to induce milk production. The pituitary gland also secretes hormones that act on the adrenal glands, thyroid gland, ovaries and testes, which in turn produce other hormones.
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34Through secretion of its hormones, the pituitary gland controls metabolism, growth, sexual maturation, reproduction, blood pressure and many other vital physical functions and processes.
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35Pituitary glands – anterior (secretes ACTH, TSH, GH, PRL, FSH, LH) and posterior lobe (secretes oxytocin and ADH)
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36Pineal gland – secretes melatonin
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37Thyroid gland also secretes calcitonin
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38Parathyroid gland - posterior to thyroid, there are 4 of them – regulates calcium and phosphate
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39Thymus gland - posterior, there are 4 of them – regulates calcium and phosphate
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40Thymus – secretes thymosin - stimulates the development of disease-fighting T cells
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41Erythropoietin (EPO) is a hormone produced primarily by the kidneys. It plays a key role in the production of red blood cells (RBCs), which carry oxygen from the lungs to the rest of the body.
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42The Thymus secretes erythropoietin
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43The adrenal cortex—the outer part of the gland—produces hormones that are vital to life, such as cortisol (which helps regulate metabolism and helps your body respond to stress) and aldosterone (which helps control blood pressure).
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44The adrenal medulla—the outer part of the gland—produces hormones that are vital to life, such as cortisol (which helps regulate metabolism and helps your body respond to stress) and aldosterone (which helps control blood pressure).
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45The adrenal medulla, the inner part of an adrenal gland, controls hormones that initiate the flight or fight response. The main hormones secreted by the adrenal medulla include epinephrine (adrenaline) and norepinephrine (noradrenaline), which have similar functions.
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46The adrenal cortex, the inner part of an adrenal gland, controls hormones that initiate the flight or fight response. The main hormones secreted by the adrenal cortex include epinephrine (adrenaline) and norepinephrine (noradrenaline), which have similar functions.
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47Functions of leptin (select two):
- Ahelp the body maintain its weight and controls appetite
- Bregulates your brain to determine how much energy your body needs to burn daily
- Ccontributes toward calcium and bone function
48Leptin is a hormone released from fat cells in adipose tissue.
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49The hypothalamic–pituitary–thyroid axis (HPT axis for short, a.k.a. thyroid homeostasis or thyrotropic feedback control) is part of the neuroendocrine system responsible for the regulation of metabolism.
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50The hypothalamic–pineal–thyroid axis (HPT axis for short, a.k.a. thyroid homeostasis or thyrotropic feedback control) is part of the neuroendocrine system responsible for the regulation of metabolism.
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51Thyrotropin is a hormone secreted by the pituitary gland which regulates the production of thyroid hormones.
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52Corticotropin-releasing hormone (CRH) is secreted by the hypothalamus in response to stress.
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53Adrenocorticotropic hormone (ACTH) is made in the pituitary gland. It is needed for your adrenal glands to work properly and help your body react to stress. ACTH stimulates the release of another hormone called cortisol from the cortex (outer part) of the adrenal gland.
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54Follicle stimulating hormone is produced by the pituitary gland. It regulates the functions of both the ovaries and testes. Lack or insufficiency of it can cause infertility or subfertility both in men and women.
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55Luteinising hormone is produced by the pituitary gland and is one of the main hormones that control the reproductive system.
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56Progesterone is a hormone released by the corpus luteum in the ovary. It plays important roles in the menstrual cycle and in maintaining the early stages of pregnancy. It may also be involved in the growth of certain cancers.
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57Growth hormone is a small protein made in part of the brain called the pituitary gland.
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58Oxytocin is produced in the hypothalamus and is secreted into the bloodstream by the posterior pituitary gland.
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59Blood clotting is also a positive feedback loop
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60Prolactin produces breast milk
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61Endocrine means ‘ductless gland’
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62Exocrine means ducted gland
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Información
- Descripción
- Week 7 HUBS1406 - Endocrine system
- Autor
- Jessica Bulley
- Idioma
- English
- Visitas
- 37
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- Valoración
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