During embryonic development, what structure does the optic stalk develop into?
A. The lens
B. The retina
C. The ganglion cells
D. The sclera
E. The optic nerve
E. The optic nerve
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The male homologue to the labia majora is the
A. penis. B. testis. C. bulbourethral gland. D. scrotum. E. prostate gland.
The largest and strongest bone in the body is the:
A) fibula. B) tibia. C) femur. D) humerus.
What two muscles attach distally to the calcaneal tendon?
A. Tibialis anterior and extensor digitorum longus B. Tibialis posterior and popliteus C. Flexor digitorum longus and flexor hallucis longus D. Extensor hallucis longus and fibularis longus E. Gastrocnemius and soleus
Which of the following account for why the number of bones in the adult skeleton may vary. Select all that apply.
__X__ There is a variable presence of sesamoid bones. _____ Some bones may disappear in response to mechanical stress. __X__ There is a variable number of sutural bones. _____ There are fontanels in the skull of an infant.