Antibiotics are drugs that destroy or inhibit the growth of __________.
A) multicellular pathogens such as hookworms.
B) viruses, bacteria, and multicellular pathogens such as hookworms.
C) viruses and bacteria.
D) viruses.
E) bacteria.
E) bacteria.
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Which sympathetic fibers form the splanchnic nerve?
A) those that synapse with parasympathetic fibers B) those that synapse in the same trunk ganglion they entered C) those that synapse with somatic fibers D) those that pass through the trunk ganglion to synapse in collateral or prevertebral ganglia
Because of the great loss of spermatozoa during the process of traveling from the vagina to the ampulla of the uterine tube where fertilization occurs, a male must have at least ________ spermatozoa per milliliter, or he will be functionally sterile.
A) 2,000,000 B) 100,000 C) 500,000,000 D) 20,000,000 E) 10,000
An immunoglobulin is a(n)
A. antibody, which is a protein molecule. B. lymphocyte, which is a white blood cell. C. lymphocyte, which is a protein molecule. D. antigen, which is a cell receptor. E. antibody, which is a white blood cell.
The figure illustrates muscles of the anterior surface of the body. What does "A" represent?
A. Serratus anterior B. Deltoid C. Coracobrachialis D. Biceps brachii E. Pectoralis major