The internal clock of mammals appears to be located in the

A) choroid plexus.
B) suprachiasmatic nucleus.
C) pituitary gland.
D) brain stem.
E) pons.


B) suprachiasmatic nucleus.

Anatomy & Physiology

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A person learns of having a problem with his respiratory system. Which of the following would be expected because of this problem?

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The primary motor cortex

a. is located in the parietal lobes b. in the left cerebral hemisphere controls skeletal muscles on the right side of the body c. is the only region of the brain involved with motor control d. receives motor input from the spinal cord e. exhibits all of the above

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Which type of membrane does not open to the exterior, does not contain glands, but does secrete fluid?

A. Synovial B. Cutaneous C. Gobletal D. Mucous E. Serous

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What two muscles attach distally to the calcaneal tendon?

A. Flexor digitorum longus and flexor hallucis longus B. Gastrocnemius and soleus C. Tibialis anterior and extensor digitorum longus D. Tibialis posterior and popliteus E. Extensor hallucis longus and fibularis longus

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