How long is the average trachea?
A. 12-14 cm
B. 12-14 inches
C. 12-14 mm
Answer: A
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Which of the following drugs might be prescribed to alleviate hypertension?
A. Beta-adrenergic receptor antagonists B. Alpha-adrenergic receptor agonists C. Cholinergic antagonist D. A drug that increases L-type Ca2+ channel currents E. A drug that increases T-type Ca2+ channel currents
Melanocytes synthesize melanin, which protects underlying cells from the effects of ultraviolet light.
Answer the following statement true (T) or false (F)
Parietal cells and their secretions are not involved in
A) the absorption of vitamin B12. B) erythropoiesis. C) the release of bicarbonate into the stomach. D) activation of pepsinogen to pepsin. E) the release of bicarbonate into the blood.
What branches arise directly from the celiac trunk?
A. Left gastric, left gastroepiploic, and splenic arteries B. Left gastric and splenic arteries C. Left gastric and common hepatic arteries D. Left gastric, splenic, and common hepatic arteries E. Left gastroepiploic and splenic arteries