The epiglottis
A. prevents food from entering the air passage.
B. pushes air into the lungs.
C. contains vocal cords.
D. is a vestigial organ.
E. contains cilia.
Answer: A
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Select the correct statement about antigens
A) "Self-antigens" is another name for incomplete antigens. B) The largest type of antigen is called a hapten. C) One antigen may have many different antigenic determinants and may therefore cause the formation of more than one antibody. D) Only small antigens exhibit reactivity.
What drug is used for rumen atony?
a. poloxalene b. neostigmine c. cisapride d. metoclopramide
Generally, a very ________ percent of Na+ in the tubular fluid is reabsorbed, and the reabsorption takes place ________.
A. small; only in the nephron loop B. small; along the entire tubule C. high; only in the nephron loop D. high; along the entire tubule
Which cranial nerve passes through the internal auditory meatus and provides the senses of hearing and balance?
A. Trochlear B. Vestibulocochlear C. Glossopharyngeal