The fluid link between the external and internal environment is ________
A) plasma
B) cerebrospinal fluid
C) interstitial fluid
D) intracellular fluid
A
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What is the region of the antibody that varies from antibody to antibody?
A) regional or R region B) variable or V region C) constant or C region D) stable or S region
What life function will be affected by the fall?
What will be an ideal response?
When prolonged immobility takes place and caloric intake exceeds energy expenditures, the result if often:
A) protein deficit B) obesity C) negative nitrogen balance D) ileus
An antigen is ________, whereas an antibody is ________.
A. only on a pathogen; only in a human body B. an immunoglobulin that is produced by lymph nodes in response to bacteria; a foreign protein that enters the body and causes an immune reaction C. a hapten molecule that is complex in shape; an enzyme produced by the thymus gland that neutralizes antigens D. 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