In goats, the appendage that suspends from the head, under the chin, is called the:
A) chinhair
B) chin comb
C) brisket
D) wattle
D
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Nitric oxide ________.
A. stimulates the dilation of blood vessels B. is produced from L-asparagine C. is a chemical messenger activating adenylate cyclase D. All of the choices are correct.
________ deafness results from damage along the neural pathway for hearing, whereas ________ deafness involves altered transmission of sound waves
A) Conductive; sensorineural B) Rinne; conductive C) Weber; sensorineural D) Sensorineural; conductive
Although it clearly has an effect upon the quality of life, there is no evidence to show that exercise prolongs ________.
Fill in the blank(s) with the appropriate word(s).
Harry suffers from cystic fibrosis and frequently has periods where he can hardly breathe. The problem is most likely the result of
A) inflammation of the bronchi. B) constriction of the trachea. C) thick secretions that exceed the ability of the respiratory tract cilia to remove them. D) laryngeal spasms that occur in response to a toxic substance produced by the epithelial cells. E) collapse of one or both lungs.