Low dosages of aspirin inhibit clotting by blocking the formation of which of the following?

A) vitamin K
B) factor X
C) factor VIII
D) thrombin
E) thromboxane A2


Answer: E) thromboxane A2

Anatomy & Physiology

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Which of the following structures is correctly matched with its function?

A) Ascending limb of the loop of Henle: major site of secretion of K+ B) Descending limb of the loop of Henle: major site for transport of solutes C) Proximal tubule: site of secretion of organic anions and cations D) Distal tubule: main site of reabsorption of Ca2+and Mg2+

Anatomy & Physiology

Progesterone

A. is produced by the corpus luteum. B. exerts negative feedback over testosterone secretion. C. inhibits the formation of secondary sexual characteristics. D. All apply.

Anatomy & Physiology

Where in the male reproductive system would you expect to find the most mature spermatozoa?

A) in the seminiferous tubules B) in the head of the epididymis C) in the ductus deferens and ejaculatory duct D) in the seminal gland E) in the prostate gland

Anatomy & Physiology

The kidneys secrete additional H+ and conserve HCO3- to compensate for increased H+ concentration in the body fluids

Indicate whether the statement is true or false

Anatomy & Physiology