In an effort to prolong the years of female reproduction a drug company produces a drug that prevents more than one follicle from maturing each menstrual cycle. Which of the following might be a side-effect of this drug?
A. Lower circulating progesterone levels in the follicular phase
B. Lower circulating progesterone levels in the luteal phase
C. Lower libido
D. Higher circulating estrogen levels in the luteal phase
E. Lower circulating estrogen levels in the follicular phase
Answer: E
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The ________ is the bony chamber that protects and supports the brain
A) skull B) centrum C) cranium D) cephalum E) cortex
Which of the following statements is true? a. The lower the resistance the lower the current flow between two regions of anaxon
b. The lower the resistance the greater the current flow between two regions of anaxon. c. Capacitance is a measurement of current flow along an axon. d. Neurons that rely on electronic flow of current for communication purposes arenoted for their low membrane resistance. e. None of these statements are true.
Which analogy fits the human heart?
A. It is like four pumps working in alternating cycles. B. It is like a single pump whose various chambers all work together at once. C. It is like a double pump, each working side by side with the other. D. It is like a single pump. E. It is like a double pump, each working at its own rate determined by the needs of the body served.
An antibody binds to an antigen at a specific area called the
A) constant segment. B) light chain. C) antigen binding site. D) hapten. E) antigen-antibody complex.