Active immunization ____

a. involves receiving antibodies from another individual
b. utilizes the inflammation response
c. is given only to children
d. results in memory cell formation
e. involves exposure to an allergen


ANSWER: d

Biology & Microbiology

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Which of the following statements is

CORRECT about mutation?

a. Mutations caused by environmental factors are always repaired. b. Mutations occurring during the replication process are always harmful. c. Mutations only occur during DNA replication. d. Mutations occurring during the replication process only affect the secondary structure of proteins. e. Mutations are permanent changes in the base sequence of DNA.

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__________ molecule(s) can be detected as it (they)

pass(es) through the human body and is (are) used for diagnosis. a. A decay b. A tracer c. An electron d. An atomic e. Both the proton and electron

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Blood from the systemic circuit is first received by the heart in the

a. coronary vein. b. left atrium. c. right ventricle. d. right atrium. e. left ventricle.

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Which structure(s) delivers the blood that contains regulatory hormones to the anterior pituitary gland?

A) secondary capillary plexus B) inferior hypophyseal artery C) portal vessels D) superior hypophyseal artery E) hypophyseal veins

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