Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic neuron and a postganglionic neuron?
A) somatic
B) central
C) autonomic
D) skeletal
E) sensory
C
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Cancer that originates in the lungs is most likely to begin in
A) epithelial cells. B) hyaline cartilage cells. C) smooth muscle cells. D) dense connective tissue cells.
If someone were to decrease their food intake and increase aerobic exercise, they might lose adipose tissue and condition their muscles. These changes would also influence their blood vessels, as there would be
A. angiogenesis in both adipose tissue and skeletal muscle. B. changes in the diameter of blood vessels, but no angiogenesis nor regression. C. regression of blood vessels in both adipose tissue and skeletal muscle. D. regression of blood vessels in adipose tissue and angiogenesis in skeletal muscle. E. angiogenesis in adipose tissue and regression of blood vessels in skeletal muscle.
Following an injury to his arm, a patient complains that he has no sensations from the thumb, index finger, middle finger, and part of the ring finger. What nerve do you suspect to be damaged?
A. Median nerve B. Radial nerve C. Musculocutaneous nerve D. Ulnar nerve E. Axillary nerve
A dietary source for iodine is ________
A) Pork B) Celery C) Sea food D) Beef