Which group of muscles below are antagonists?
A. Temporalis and masseter
B. Frontalis and occipitalis
C. Buccinator and sternocleidomastoid
D. Masseter and platysma
Answer: D
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In the ovarian cycle, the dominant follicle
A. is selected on day 1 of the cycle, and no other follicles develop beyond that day. B. undergoes atresia. C. continues to grow beyond day 7 of the cycle, while the other developing follicles degenerate. D. is selected to continue growing at about the middle of the luteal phase. E. ruptures during ovulation on day 21 of the cycle.
The pelvis
A) is a composite structure. B) contains bones from both the axial and the appendicular skeleton. C) is dramatically different in males and females. D) protects pelvic organs. E) All of the answers are correct.
Which of the following layers of the heart and their functions are correctly matched?
A) Endocardium—protective outer covering B) Myocardium—cardiac muscle tissue that pumps blood out of the heart chambers C) Pericardium—protective inner lining of the heart chambers and valves D) Epicardium—protective inner lining of the heart chambers and valves
The greater sciatic notch is found on the
A. inferior edge of the pubis. B. posterior side of the ilium. C. superior edge of the ischium. D. ventral surface of the sacrum. E. inferior edge of the ischium.