Motor neurons that innervate the head and neck are located in the motor nuclei of cranial nerves and in the reticular formation.
Answer the following statement true (T) or false (F)
True
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The condition known as seasonal affective disorder (SAD) may be caused by
A) increased levels of melanin. B) increased levels of melatonin. C) increased levels of melanocyte-stimulating hormone. D) increased levels of gonadotrophins. E) decreased levels of testosterone.
Which of the following increases with age?
A. Flexibility of the thoracic cage B. Pulmonary ventilation C. Tidal volume D. Susceptibility to infection
The process of fibrinolysis
A) forms emboli. B) forms thrombi. C) activates fibrinogen. D) dissolves clots. E) draws torn edges of damaged tissue closer together.
Which of the following are functions of aqueous NaHCO3 secreted by the pancreas into the duodenum?
a. neutralization of acidic gastric contents emptied into the duodenum. b. prevention of irritation of the duodenal mucosa. c. active digestion of fat molecules into fatty acids. d. both (a) and (b) above. e. all of these answers.