The trophoblast of the blastocyst is destined to become
a. the fetus.
b. the fetal portion of the placenta.
c. the inner cell mass.
d. the amniotic sac.
e. the corpus luteum of pregnancy.
B
Anatomy & Physiology
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Alveoli are kept clean by the action of
A. macrophages. B. platelets. C. antibodies. D. surfactant.
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Which bones are long bones of the forearm?
A. Fibula and tibia B. Clavicle and scapula C. Radius and ulna D. Humerus and femur
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Which type of muscle tissue contracts most quickly upon stimulation?
A) skeletal B) visceral C) cardiac D) smooth E) tendons
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Paralysis of which of the following would make an individual unable to flex the hip?
A) biceps femoris B) gastrocnemius C) tibialis anterior D) soleus E) iliopsoas
Anatomy & Physiology