Toxoids are used in vaccines against

A. Haemophilus influenza type b.
B. diphtheria.
C. herpes simplex type I.
D. polio.
E. diphtheria AND herpes simplex type I.


B

Biology & Microbiology

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Which of the following statements about Reye syndrome is FALSE?

A) It is associated with aspirin use. B) It is a complication that may occur in chickenpox infection. C) It mostly affects older adults. D) Symptoms may include vomiting, drowsiness, or behavior changes. E) Prolonged neurological problems may occur.

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Which of the following is NOT a domain?

A. Eukarya. B. Archaea. C. Protista. D. Bacteria. E. Both Bacteria and Protista.

Biology & Microbiology

MacConkey agar plates represent ________ medium

A) a minimal B) a selective C) a differential D) both a differential and a selective E) both a minimal and a selective

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A decline in the production of melatonin, which is secreted by the _____, begins at puberty

a. pineal gland b. thymus c. adrenal gland d. gonads

Biology & Microbiology