Rabid animals typically salivate excessively in the late stages of the disease. This excess salivation
A. provides a portal of exit for the virus.
B. indicates that the salivary glands are the portal of entry.
C. is the result of hydrophobia.
D. helps reduce and control the fever.
Answer: A
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The swarming gram-negative bacillus that can be presumptively identified on the basis of a positive indole test is:
a. Klebsiella pneumoniae. b. Proteus vulgaris. c. Enterobacter aerogenes. d. Shigella sonnei.
Which of the following is the unit of contraction in a skeletal muscle cell?
a. Myofibril b. Myosin c. Actin filament d. Sarcomere
Activation of a receptor tyrosine kinase will lead to _____.
a. phosphorylation of a cytoplasmic protein b. changes in conformation and/or activity of cytoplasmic proteins c. production of nitric oxide d. a and b are correct e. a, b and c are correct
A serological test that involves the clumping of antigen and antibody is the (agglutination/antigen/ELISA) test.
Fill in the blank(s) with the appropriate word(s).