Combined hormone birth control contains
A. FSH and estrogen.
B. hCG and progestin.
C. estrogen and progestin.
D. FSH and LH.
Answer: C
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The descending colon is in the
A. peritoneal cavity. B. anterior pararenal space. C. perirenal space. D. posterior pararenal space.
The medulla oblongata contains a cardiac center and a medullary respiratory center
Indicate whether this statement is true or false.
Which statement about the rate of diffusion through a lipid bilayer membrane is incorrect?
a. Smaller substances diffuse faster than larger substances. b. Lipid-soluble items diffuse faster than water-soluble items. c. Items diffuse through narrow membranes faster than through thick membranes. d. The presence of microvilli decreases the rate of diffusion. e. A greater concentration gradient causes faster diffusion.
What is the function of chordae tendineae?
a. Prevent the cusps of the AV valves from opening back into the atrium. b. Close the AV valves during systole. c. Generate force to push blood through the heart. d. Carry electrical signals through the ventricular myocardium