The Na+/K+ pump transports three sodium ions out of the cell for every two potassium ions moved into the cell. This is an example of:
A) a symport pump. B) an antiport pump.
C) a uniport pump. D) facilitated diffusion.
Answer: B
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Inhibin is secreted by
A. uterine lining cells, and it inhibits development of ovarian follicles. B. follicular cells, and it inhibits FSH production. C. the anterior pituitary, and it inhibits GnRH production. D. the posterior pituitary, and it inhibits ovulation. E. hypothalamic cells, and it inhibits LH production.
In a blood smear, the vast majority of formed elements are
A. neutrophils B. red blood cells C. leukocytes D. platelets E. white blood cells
After ovulation, the remnants of the follicle become an endocrine structure called the
A. antrum. B. corpus albicans. C. theca. D. tunica albuginea. E. corpus luteum.
Select the pair below that is a correct match of the structure and zone
A) respiratory zone, nasal cavity B) conducting zone, trachea C) respiratory zone, terminal bronchiole D) conducting zone, alveolar sac