Griseofulvin is fungistatic and not fungicidal and must be used systemically:
A. for a long period of time
B. to kill all remaining fungi
C. in patients with porphyria
D. to increase contraceptive efficacy
a
Rationale: Because it does not kill but only arrests the reproduction of organisms, griseofulvin must be continually used for a long period of time so the entire epidermis can be replaced to remove reinfecting organisms.
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You are called for a sick 2-year-old boy. When you arrive, you see the boy sitting quietly on his mother's lap. You note that he is not crying and has his head tucked against his mother's chest. However, he does lift his head and look at you when you enter. As you approach, he withdraws deeper toward his mother. What have you learned about the patient so far?
A) His skin is warm and dry. B) He probably does not have a fever. C) He is alert and probably acting appropriately. D) His front fontanelle is sunken, likely from dehydration.
Characteristics of depolarizing neuromuscular blocking agents include which of the following? 1. Cannot be reversed 2. Effects last 60 to 90 seconds 3. Shorter acting than nondepolarizing agents 4. Cause fasciculation 5. Cause total paralysis in 60 to 90
a. 1, 3, and 5 only b. 2, 3, and 4 only c. 1, 3, 4, and 5 only d. 1, 2, 3, 4, and 5