An antigen is ______, whereas an antibody is ______
A) only on a pathogen; only in a human body
B) a foreign substance such as a protein or a polysaccharide to which lymphocytes
respond; a globular protein that reacts with an antigen to eliminate the antigen
C) an immunoglobulin that is produced by lymph nodes in response to bacteria; a
foreign protein that enters the body and causes an immune reaction
D) a hapten molecule that is complex in shape; an enzyme produced by the thymus
gland that neutralizes antigens
B
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The brain is in the:
a. ventral cavity b. cranial cavity c. mediastinum d. none of the above
The femur
A) is all of the above. B) is the longest bone in the body. C) extends from the hip to the knee. D) articulates with the patella.
Voluntary motor impulses leave the spinal cord via the _________ of gray matter.
A. anterior horn B. posterior horn C. anterior column D. posterior column E. lateral horn
The ________ nerve controls the intrinsic tongue muscles.
What will be an ideal response?