Which muscle is an adductor of the thigh and attaches to both the pubis and ischium?
A. Adductor longus
B. Adductor brevis
C. Gracilis
D. Adductor magnus
E. Pectineus
Answer: D
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What happens to the polar bodies that are produced during oogenesis?
A. They help to form the placenta. B. They are incorporated into the inner cell mass. C. They degenerate. D. They provide yolk to nourish the early embryo. E. They participate in the formation of the extra-embryonic membranes.
Inferior to the medial malleolus is the ________ _______ arch of the foot.
Fill in the blank(s) with the appropriate word(s).
Homeostasis is the
A) inability to keep body weight within normal limits. B) tendency of the body to maintain a stable internal environment. C) ingestion of more food than you need to eat. D) decrease in room temperature because a window is open.
Premature infants are at risk of infant respiratory distress syndrome because of lack of
A. respiratory muscle strength (e.g., of the diaphragm). B. serous fluid between the pleurae. C. functional respiratory membrane cilia. D. surfactant, a lipoprotein secreted in alveoli. E. fluid clearance from airways.