Which of the following membranous structures is closest to the fetus?
A. The placental sinus
B. The smooth chorion
C. The villous chorion
D. The placenta
E. The amnion
Answer: E
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Which of the following is greater during left ventricular systole?
A) the peak pressure in the ventricle B) the peak pressure in the aorta C) Neither is greater.
Your roommate says that he is experiencing sharp pains in the upper left quadrant of the abdominopelvic cavity. Organs involved could include the ________
A) stomach and spleen B) appendix and liver C) liver and gallbladder D) appendix and urinary bladder
Red blood cells (RBCs) have been placed in three different solutions: hypotonic, hypertonic, isotonic. What is solution "A" relative to the RBC?
A. crenated B. hypotonic solution C. isotonic solution D. hypertonic solution E. hemolyzed
Within normal limits, an increase in preload leads to
A. an increase in cardiac output and force of left ventricular contraction. B. a decrease in cardiac output and force of left ventricular contraction. C. an increase in cardiac output and a decrease in force of left ventricular contraction. D. a decrease in cardiac output and an increase in the force of left ventricular contraction. E. a decrease in stroke volume and heart rate.