A sperm with a defective acrosome would not be able to:a. swimb. penetrate the eggc. penetrate through the cervical mucusd. provide the energy for the sperm to swim
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A sperm with a defective acrosome would not be able to:
a. swim
b. penetrate the egg
c. penetrate through the cervical mucus
d. provide the energy for the sperm to swim
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- ___________ removes webs between developing digits. a. Gastrulation c. Apoptosis b. Lactation d. ImplantationPhysiologic changes during pregnancyA. Relaxation of the sacroiliac and symphysis pubis ligamentsB. Relaxation of the thoracic ligamentsC. Increase in tidal volumeD. A, BE. A, B, CThe ductus deferens develops from the______ of the embryo.a. mesonephric ductb. paramesonephric ductc. phallusd. labioscrotal foldse. urogenital folds
- Which of these is NOT an effect of an epidural? Select one: O a. Increased likelihood of an instrumental birth O b. Shorter labour O c. Hypotension O d. Immobilityb. Sperm cells remain in the epididymis for to zweeks mature they acquire the ability to the egg. to weeks. As they andThe vaginaa. consists of skeletal muscle.b. has ridges called rugae.c. is lined with simple squamous epithelium.d. All of these are correct.
- Which of the following does not pertain to the apical germarium?A. contains the primary female germ cells/oogonia which divide mitoticallyB. contains prefollicular tissues which form the follicular epithelium of thevitellariumC. invested in an ovariole sheathD. region of the ovariole where the oocytes undergo vitelogenesisYour laboring patient has transitioned to stage 2 of labor. What changes in the perineum indicate the birth of the baby is imminent? a. Increased in meconium stained fluid and retracting perineum b. Retracting perineum and anus with an increase of bloody show c. Bulging perineum and rectum with an increase in bloody show d. Rapid and intense contractionWhich of the following correctly describes the function of the dartos muscle and cremaster muscles of the scrotum? Descend the testes in cold weather (or water), thus increasing the surface area of the scrotum to retain heat. Elevate the testes in cold weather (or water), thus increasing the surface area of the scrotum to retain heat. Descend the testes in cold weather (or water), thus decreasing the surface area of the scrotum to retain heat. Elevate the testes in cold weather (or water), thus decreasing the surface area of the scrotum to retain heat.
- What statement best explains the role of progesterone in menstruation?a. Produces corpus luteumb. It prepares the uterus for menstruationc. It is a steroidal hormone that results in some significant endometrial changesd. Initiate this phase by the formation of the corpus luteumWhich of the following is/are NOT a function of progesterone and estrogen:a. Inhibits the production of LH and FSHb. Causes the hypothalamus to release gonadotropin releasing hormonec. Maintains the endometrium for pregnancyd. Causes the follicle to mature into a graafian follicleWhich of the following is NOT a function of sustentacular cells? O Maintain a blood-testis barrier Absorb sloughed cytoplasm from developing spermatocytes O Stimulate spermatogenesis and spermiogenesis O Secrete testosteroneWhich of these events is consistent with erection of the penis?a. parasympathetic stimulationb. dilation of arteriolesc. engorgement of sinusoids with bloodd. occlusion of veinse. All of these are correct.