Test
unit b b30
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (69)
1Which row below identifies the structures in the human male that secrete alkaline fluid to protect the sperm from the acidic environment of the female reproductive tract?
- ASertoli cells, ductus deferens
- Bprostate gland, Cowper's gland
- Cseminal vesicle, epididymis
- Durethra, ureter
2Which row below correctly identifies a primary and a secondary sexual characteristic of a female?
- Aoviducts, breasts
- Boviducts, uterus
- Chigher voice, less obvious muscle development
- Dcervix, vagina
3Identify the structures that contribute the liquid component of the semen
- Aurinary bladder, ureter, urethra
- Bscrotum, testis, epididymis
- Ctestis, ejaculatory duct, ductus deferens
- Dseminal vesicle, prostate gland, Cowper's gland
4The structure that stores sperm while it matures is labelled number _____ and is called the ____.
- Aprostate gland
- Bductus deferens
- Cepididymis
- Dscrotum
5The egg is fertilized by the sperm in which structure in the human female?
- Aoviduct
- Bovary
- Cfimbriae
- Duterus
6The rows below identify reproductive structures of males and females. Which row below shows the male and female reproductive structures that are LEAST similar in function?
- Atestes, ovaries
- Bductus deferens, oviducts
- Csperm, eggs
- Depididymis, uterus
7When a woman becomes pregnant, the fertilized egg (zygote) implants in the structure numbered __ and labelled the ___.
- Aoviduct
- Bovary
- Cuterus
- Dvagina
8In human males, the site for spermatogenesis (sperm production) and the site for the storage of the sperm to mature and await ejaculation are, respectively:
- Aepididymis, interstitial cells
- Bseminiferous tubules, interstitial cells
- Cepididymis, ductus deferens
- Dseminiferous tubules, epididymis
9The function of the acrosome on the male sperm is to provide
- Athe energy for the mitochondria
- Bthe energy required for motility
- Cthe enzymes that help the sperm enter the egg
- Dprotection for the nucleus (DNA) found in the sperm
10Structures of the Female Reproductive System:
1. cervix
2. oviduct
3. uterus
4. fimbriae
5. vagina
The order of the structures that an egg would travel through after ovulation is _____, _____, _____, _____, and _____.
Record your five-digit answer in the answer space.
Answer: [blank_start]42315[blank_end]- A42315
11Which row below identifies a viral and a bacterial sexually transmitted infection (STI), respectively?
- Ahepatitis C, chlamydia
- Bgenital herpes, HIV/AIDS
- Cchlamydia, gonorrhea
- Dsyphilis, genital herpes
12Sexually Transmitted Infections (STI)
1. human papilloma virus (HPV)
2. chlamydia
3. genital herpes
4. syphilis
Use the numbers above to complete the following statement:
Statement: “The most common viral STI is ____ while the most common bacterial STI is ___. ___ is responsible for a condition known as genital warts. The ___ bacterium causes the least common STI and has three stages in its development.” Record your four-digit answer in the answer space.
Answer: [blank_start]3214[blank_end]- A3214
13Which of the following hormones is responsible for the production of sperm in the testes?
- Ainhibin
- Bfollicle stimulating hormone (FSH)
- Ctestosterone
- Dluteinizing hormone (LH)
14Hormone 1 is the releasing hormone. Hormone 2 stimulates the Sertoli cells in the testis to produce Hormone 4. Hormone 3 stimulates the interstitial cells of the testes to produce testosterone. Match hormones 1, 2, 3, 4 to their names.
Hormones: LH, inhibin, FSH, GnRH
Answer: [blank_start]3421[blank_end]- A3421
15Which row below completes the following statement?
Statement: “After the ovum is released, the mature follicle develops into the _i__ that secretes
_ii_ and some __iii__.”- Asecondary follicle, luteinizing hormone (LH), follicle stimulating hormone (FSH)
- Bcorpus luteum, progesterone, estrogen
- Csecondary follicle, estrogen, progesterone
- Dcorpus luteum, luteinizing hormone (LH), follicle stimulating hormone (FSH)
16Gonadotropin releasing hormone (GnRH) is released from the hypothalamus in both males and females. This hormone stimulates the release of which two hormones from the anterior pituitary gland?
- Afollicle stimulating hormone (FSH) and luteinizing hormone (LH)
- Btestosterone and inhibin
- Cestrogen and follicle stimulating hormone (FSH)
- Destrogen and progesterone
17Which two anterior pituitary gland hormones are described by the following statement?
“These hormones are released from the anterior pituitary, travel to the ovaries, and stimulate oogenesis, ovulation, and the production of hormones responsible for the development of secondary sexual characteristics in humans.”- Agonadotropin releasing hormone (GnRH) and luteinizing hormone (LH)
- Bprogesterone and gonadotropin releasing hormone (GnRH)
- Cestrogen and progesterone
- Dfollicle stimulating hormone (FSH) and luteinizing hormone (LH)
18The hormone that is directly responsible for ovulation is
- Afollicle stimulating hormone (FSH)
- Bestrogen
- Cprogesterone
- Dluteinizing hormone (LH)
19In the diagram above the corpus luteum forms in the structure numbered _____ and known as the ____.
- Aoviduct
- Bovary
- Cuterus
- Dvagina
20Which event marks the completion of the follicular phase of the ovarian cycle?
- Achild birth
- Bpregnancy
- Covulation
- Dmenstruation
21Unlike most human organs, this endocrine gland is not a permanent structure. This endocrine gland is called the
- Acorpus luteum
- Btestes
- Canterior pituitary
- Dhypothalamus
22The decline of testosterone production in males and the end of the menstrual cycle in females are known, respectively as
- Afollicular stage and luteal stage
- Bprostatitis and hormone replacement therapy
- Ctestosterone stage and endometrial stage
- Dandropause and menopause
23When Viagra binds to phosphodiesterase, the enzyme is unable to break down cGMP, allowing it to accumulate in the blood. As Viagra targets one of the final steps in the pathway of erectile function, it can be used regardless of the underlying cause of the disorder (such as injury, surgery, disease, or depression).
Viagra could be prescribed to treat erectile dysfunction in males with- Anormal levels of cyclic GMP but low levels of phosphodiesterase
- Blow levels of cyclic GMP but normal levels of phosphodiesterase
- Cnormal levels of cyclic GMP but normal levels of phosphodiesterase
- Dhigh levels of cyclic GMP but normal levels of phosphodiesterase
24Human development begins with fertilization. Which row below identifies the structure in which fertilization takes place and the number of chromosomes that are found in the fertilized egg?
- Auterus, 23
- Buterus, 46
- Coviduct, 23
- Doviduct, 46
25Which of the following is NOT true of human sperm?
- AMany sperm find their way into the oviduct that does not have an egg
- BMost sperm are destroyed as they try to make their way through the cervix and uterus
- CThe nuclei of many sperm are necessary in order to restore the proper number of chromosomes in the zygote.
- DMany sperm are destroyed by the acidic environment of the vagina
26As the zygote undergoes cleavage, the number of cells increases but the overall size of each cell gets smaller. By the time the zygote reaches the 16-cell stage, it is called a
- Amorula
- Btrophoblast
- Cgastrula
- Dfetus
27This period of development takes place over the first eight weeks, or the first two-thirds of the first trimester. During this time, tremendous change takes place. Cells divide and become redistributed. Tissues and organs form.
The prenatal period of development described above is another term for the- Afetal period of development
- Bplacental stage of development
- Czygote period of development
- Dembryonic period of development
28In the early stages of pregnancy, human chorionic gonadotropin (hCG) is released by the
- Aanterior pituitary gland
- Bcorpus luteum
- Cplacenta
- Dtrophoblast
29The function of hCG is to
- Astimulate cleavage and the formation of the morula.
- Bdigest some of the tissues and blood vessels of the endometrium
- Cstimulate gastrulation and the formation of the three germ layers
- Dmaintain the corpus luteum past the time when it would otherwise degenerate
30Which of the following statements does NOT describe the hormone levels during pregnancy?
- AEarly in pregnancy, estrogen is produced by the corpus luteum in the ovary
- BEarly in pregnancy, hCG increases until it reaches maximum concentration near the end of the first trimester
- CEarly in pregnancy, follicle stimulating hormone is released by the anterior pituitary
- DEarly in pregnancy, progesterone is produced by the corpus luteum in the ovary
31The series of events that form distinct structures of the developing organism is called
- Agastrulation
- Bparturition
- Cneurulation
- Dmorphogenesis
32Which row below matches the organ or body system with the germ layers, ectoderm, mesoderm, and endoderm that it develops from?
- Athyroid gland, nervous tissue, heart
- Bkidneys, sense organs, spleen
- Couter skin, muscle tissue, pancreas
- Dcellular lining urinary bladder, eye lens, dermis of skin
33Which of the following does NOT describe an event that occurs during the fourth week of development of an embryo?
- Aeyelids and irises form in the eyes
- Blungs and kidneys take shape
- Csmall buds, which will develop into the arms and legs, appear
- Dblood cells start to form and fill blood vessels
34Which extra-embryonic membrane is described by the following statement?
“This fluid-filled sac protects the embryo from trauma as well as allowing freedom of movement, and prevents limbs from sticking to the body.”- Aplacenta
- Bamnion
- Callantois
- Dchorion
35The placenta performs a number of functions throughout pregnancy. Which of the following is NOT a function of the placenta?
- Aforms the foundation for the umbilical cord and becomes part of the urinary bladder
- Bsecretes hormones, such as estrogen, progesterone, and hCG
- Ctransports wastes from the fetal blood to the mother’s blood
- Dtransports nutrients from the mother’s blood to the fetus’s blood
36Which of the following statements is NOT a reason why an ectopic pregnancy cannot be continued to term (birth)?
- Athe fallopian tube will rupture, causing severe internal bleeding
- Bthe result could be monozygotic (identical) twins
- Cthere is insufficient room in the fallopian tube for the baby to develop
- Dthere is a significant risk that the mother will die
37Events from ovulation to implantation in random order.
1. blastocyst
2. zygote
3. gastrulation
4. morula
The order of these events from earliest to the latest is _____, _____, _____, and _____. Record your four-digit answer in the answer space.
Answer: [blank_start]2413[blank_end]- A2413
38Match the numbers with the statements.
1. ovary
2. oviduct
3. uterus
Statement A: This is the site where the sperm fertilizes the egg.
Statement B: This where the zygote undergoes cleavage.
Statement C: This is the site of ovulation.
Statement D: This is the site of implantation.
Statement: A = ___ B = ___ C = ___ D = ___
Answer: [blank_start]2213[blank_end]- A2213
39Which of the following events is most likely to occur in the fetus during the third trimester of pregnancy?
- AThe bones of the skeleton begin to form, and fetal legs grow and develop
- BFetal brain cells form rapidly, connecting to form more intricate networks
- CGrowth in length of the body accelerates, but growth of the head slows
- DThe cartilage-based skeleton begins to harden
40In this context, alcohol consumed by the pregnant woman is acting as
- Aa neural tube defect
- Ba teratogen
- Can endocrine disruptor
- Da carcinogen
41In some cases, receiving inadequate amounts of a substance can also result in physical or development abnormalities. A lack of folic acid (vitamin B9) during pregnancy can have devastating consequences for embryonic development. The lack of folic acid in the mother’s diet is linked to
- Aneural tube defects
- Bbabies being born without limbs
- Cincreased risk of premature births, stillbirths, and miscarriages
- Dcancer in early childhood
42Which of the following is NOT a teratogen?
- AIVF
- BUVR
- Ccigarette smoke indirectly inhaled (second-hand smoke)
- Dcigarette smoke, directly inhaled (first-hand smoke)
43A flow chart represents events during Parturition. What hormone is secreted from the posterior pituitary gland.
- Aestrogen
- Bprostaglandins
- Coxytocin
- Dprogesterone
44What type of feedback and control is involved?
- Apositive feedback that is under neural control.
- Bnegative feedback that is under neural control.
- Cpositive feedback that is under hormonal control
- Dnegative feedback that is under hormonal control
45Prior to milk production, a breast-fed baby receives a yellowish fluid called colostrum from its mother. Which of the following is FALSE?
- AColostrum is thicker than breast milk
- BColostrum contains more fat than breast milk
- CColostrum and breast milk contain antibodies from the mother
- DColostrum contains more protein than breast milk
46Lactation and the Suckling Reflex
A suckling baby initiates the events that lead to milk secretion as well as milk production. The following events are in random order.
1. hypothalamus produces oxytocin that is released by the posterior pituitary
2. milk letdown occurs
3. neural pathways carry stimuli to the hypothalamus
4. oxytocin causes mammary lobules to contract
5. suckling stimulates nerve endings in nipple and areola of the breast
The order of these events would be _____, _____, _____, _____, and _____. Record your five-digit answer in the answer space.
Answer: [blank_start]53142[blank_end]- A53142
47Surgical sterilizations in men and women are called
- Avasectomy and tubal ligation, respectively
- Btubal ligation and vasectomy, respectively.
- Cartificial insemination and in vitro fertilization, respectively
- Din vitro fertilization and artificial insemination, respectively
48Which of the following is not likely a cause of male infertility?
- Arapid weight loss
- Blow sperm count caused by over-heated testicles
- Chigh proportion of abnormal or non-viable sperm
- Dobstruction of the ductus deferens or epididymis
49Usually, the cells of the eggs will cells divide 2 or 3 times to become pre-implantation embryos. They are maintained in laboratory dishes, in a nutrient mixture that acts as a substitute for the environment that would otherwise have been provided by the mother.
The nutrient mixture referred to in this statement in this article replaces the environment found in the mother’s- Avagina
- Bovary
- Coviduct
- Duterus
50How many days AFTER fertilization would the embryos develop in the laboratory glassware if it takes the normal amount of time?
- Abetween twenty and twenty-two days
- Bbetween one and two days
- Cbetween fifteen and seventeen days
- Dbetween five and seven days
51Which row below completes the following statement?
“Hormonal medications may be taken to prevent conception. These artificial hormones mimic the effect of _i__ and inhibit the release of _ii_ and LH from the anterior pituitary. As a result, __iii_ does not occur.”- AGnRH, progesterone, implantation
- Bestrogen, prolactin, ovulation
- Coxytocin, prostaglandins, gastrulation
- Dprogesterone, FSH, ovulation
52Pregnancy occurs when:
- Athe sperm and egg unite in the fallopian tube (oviduct).
- Bthe sperm and egg unite in the uterus.
- Cthe blastula implants in the uterine lining.
- Dthe blastula enters the cavity of the uterus.
53A human pregnancy is approximately how long?
- A8 months
- B36 months
- C38 weeks
- D280 days
54The correct order of phases in the uterine cycle is
- Amenstrual, proliferative, secretory
- Bsecretory, proliferative, menstrual
- Csecretory, menstrual, proliferative
- Dmenstrual, secretory, proliferative
55The structure in the diagram that contains cilia and undergoes peristalsis is labelled:
- Aovary
- Bfallopian tube
- Clining of uterus
- Dcervix
56Labour contractions of the uterus are initiated by
- Aan increase in progesterone and a drop in estrogen
- Ba drop in progesterone and an increase in oxytocin
- Can increase in progesterone and a drop in oxytocin
- Da drop in progesterone and an increase in estrogen
571. FSH
2. LH
3. estrogen
4. progesterone
Each of the statements below describes a hormone that are numbered above.
Produced by the anterior pituitary and stimulates the follicular cells
Produced by the anterior pituitary and stimulates the corpus luteum
Shuts down the production of LH
Decrease in production of this hormone may cause miscarriage
Enter the number of the hormone that corresponds to each of the statements in order. Your response should consist of four digits. (you may choose an answer more than once). [blank_start]1244[blank_end]- A1244
58The gland responsible for cleaning the male urethra prior to ejaculation is the:
- Atestes
- BCowspers gland
- Cseminal vesicle
- Dprostate gland
59Initial sensory stimulation of the male results in an erect penis because
- Athe sympathetic division of the ANS is engaged and causes blood vessel changes in the penis
- Bthe parasympathetic division of the ANS causes dilation of appropriate blood vessels leading to an erection
- Cthe parasympathetic division increases breathing and heart rate supplying increased blood flow to the penis
- Dthe sympathetic division of the ANS shuts down blood flow to the digestive system diverting blood to the penis
60The role of the endometrium, the glandular lining of the uterus, is to
- Anourish oocyte cells
- Bdecrease menstrual cramps during the menstrual cycle
- Cprovide nourishment for the developing embryo
- Ddecrease the secretion of GnRH in the hypothalamus
61Impotence, also termed erectile dysfunction, is the inability of a man to achieve an erection during sexual excitement. Impotency can be caused by:
- AEndocrine disorders
- BHormone imbalance and stress
- CAny damage to the parasympathetic nerve
- DAll of the options
62For pregnancy to occur, sexual intercourse must be performed either on the day of ovulation or no more than five days before ovulation. This is because
- Athe sperm remains incapable of fertilizing an egg for up to 5 days.
- Bthe ovulated egg remains fertile only for a few hours.
- Cthe sperm remains capable of fertilizing an egg for up to 28 days.
- Dthe ovulated egg remains fertile for up to 5 days.
63Chlamydia trachomatis, a sexually transmitted disease, can cause pelvic infections in women if the bacteria is undetected in the body. Another consequence of this disease is that ____________________ could also result. [blank_start]infertility[blank_end]
- Ainfertility
64During the beginning of labour, which hormones stimulate the strong uterine contractions?
- ARelaxin and prolactin
- BOxytocin and relaxin
- CProlactin and prostaglandins
- DOxytocin and prostaglandins
65In vitro fertilization is a medical technology available for couples unable to conceive a child. During the therapy, a special instrument with an optical device is used by the physician to extract eggs from the woman's abdomen. This instrument is named a ________________. [blank_start]laparoscope[blank_end]
- Alaparoscope
66The chronological phases of a female menstrual cycle are:
- AOvulation phase, follicular phase, luteal phase, flow phase
- BFlow phase, ovulation phase, follicular phase, luteal phase
- CFlow phase, luteal phase, ovulation phase, follicular phase
- DFlow phase, follicular phase, ovulation phase, luteal phase
67During development of the human fetus, the skin arises from the germ layer called the:
- Aendoderm
- Bmesoderm
- Cvasoderm
- Dectoderm
68The chromosome composition of male fetal cells (without any abnormalities) would consist of
- Aforty-six pairs of homologous chromosomes
- Btwenty-three pairs of homologous chromosomes
- Ctwenty-two pairs of homologous chromosomes
- Dforty-four pairs of homologous chromosomes
69Cervical cancer occurs in the structure labelled:
- Aovary
- Bfallopian tube
- Ccervix
- Dvagina
Información
- Descripción
- Grade 12 Bio 30 Unit B Test sobre unit b b30, creado por David Nguyen el 15/03/2024.
- Autor
- David Nguyen
- Idioma
- English
- Visitas
- 1
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test