Hepatitis B can be transmitted by means of
A. infected food.
B. travel to developing countries.
C. contact with infected feces.
D. hypodermic needles.
Answer: B
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What is the path of blood flow from the heart to the lung tissues and back to the heart?
A. Left ventricle ? aorta ? bronchial arteries ? lung tissues ? bronchial veins ? azygos vein ? superior vena cava ? right atrium B. Left ventricle ? aorta ? brachiocephalic artery ? lung tissues ? bronchial veins ? brachiocephalic vein ? superior vena cava ? right atrium C. Right ventricle ? pulmonary trunk ? pulmonary arteries ? lung tissues ? pulmonary veins ? left atrium D. Right ventricle ? brachiocephalic arteries ? lung tissues ? brachiocephalic veins ? inferior vena cava ? left atrium
The primary role of epithelial tissue in the stomach is
A. housing blood vessels and nerves. B. secretion of substances for chemical digestion. C. mixing and propulsion of foodstuffs. D. regulation of contraction.
The coordination of muscle movement and the maintenance of equilibrium occur in the:
a. hypothalamus b. thalamus c. medulla oblongata d. cerebellum
Which of the following secrete amylase?
A. Pancreas and liver B. Pancreas and duodenum C. Pancreas and salivary glands D. Stomach and duodenum E. Stomach and liver