Where are the cell bodies of lower motor neurons located?
A) motor area of cerebral cortex B) anterior horn of spinal gray matter
C) dorsal horn of spinal gray matter D) brainstem
Answer: B
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The mucous membrane or mucosa of the respiratory system
A) is present as the lining of the alveoli. B) consists of respiratory epithelial cells overlying a layer of loose connective tissue, the lamina propria. C) contains an epithelium that differs from that of the larynx. D) surrounds a thick layer of connective tissue, the submucosa. E) None of the answers are correct.
A person in a moderate environment would lose the greatest volume of water in
A. feces. B. sweat. C. mucus. D. urine.
Which is TRUE regarding the structure and synthesis of hormones?
A. Steroid hormones are synthesized from cholesterol. B. Thyroid hormones are catecholamines. C. The hormones of the adrenal cortex have the same structure as the neurotransmitters of adrenergic neurons. D. Most peptide hormones require binding proteins for transport in the blood. E. Vasopressin is synthesized in the posterior pituitary.
A sustained muscle contraction is known as
A. tetanus B. tone C. treppe D. twitch E. paralysis