What would happen if a woman took supplemental estrogen and progesterone beyond the 21st day of her
menstruation cycle? What will be an ideal response?
ANSWER: Normally, estrogen and progesterone levels begin to fall at this point in the menstrual cycle.
The falling levels are responsible for menstruation - the shedding of the endometrium. If an
individual prevents the levels from falling by taking supplemental estrogen and progesterone,
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The enzyme that removes the neurotransmitter acetylcholine from synapses after it has been released is known as ________
Fill in the blank(s) with correct word
What would the result be if histamine and nitric oxide were NOT secreted during a puncture injury?
A. The blood vessels would be more permeable. B. The blood vessels would dilate. C. Healing would not take place at all. D. The blood mast cells would constrict. E. Healing would be slower.
Which statement is TRUE?
A. Myelin is a glycoprotein matrix, secreted by myelinating cells to speed nerve conduction. B. Oligodendrocytes myelinate PNS axons. C. Oligodendrocytes produce scar tissue upon corresponding axonal damage, preventing regrowth of the axon. D. Schwann cells myelinate CNS axons. E. Wallerian degeneration describes the CNS axon breakdown that may still enable regrowth and restoration of function.
How is malaria spread?
A. sexual intercourse B. airborne droplets C. breast-feeding D. blood transfusions E. mosquitoes