Question

a physicians assistant evaluates the use of various drugs for parasitic worm infections. comparative efficacy of the five most widely used antiparasitic drugs in the treatment of parasitic worm infections

parasite	mbz	alb	dec	ive	pra
whipworm	++	+	−	±	−
hookworm	+	++	−	−	−
strongyloides	±	+	−	++	−
pinworm	++	++	−	+	−
trichinella	±	±	−	−	−
capillariasis	+	+	−	−	−
filariasis	−	−	++	++	−
onchocerciasis	−	±	(++)	++	−
loiasis	(++)	−	−	++	−
dracunculiasis	−	−	−	−	−

symbols: ++=highly effective; +=moderately effective; ±=minimally effective; −=not effective/not used for this condition; (++)=effective but associated with severe adverse reactions. which listed parasite(s) cannot be treated with at least one highly effective drug? a. capillariasis, dracunculiasis, and trichinella b. capillariasis and trichinella only c. dracunculiasis only d. loiasis and onchocerciasis

Explanation:

Step1: Identify highly effective symbol

The symbol for highly effective is ++.

Step2: Check each parasite

For Capillariasis, no drug has ++ effect.
For Dracunculiasis, no drug has ++ effect.
For Trichinella, no drug has ++ effect.
For Loiasis, MBZ and IVE have ++ effect.
For Onchocerciasis, DEC and IVE have ++ effect.

Answer:

A. Capillariasis, dracunculiasis, and trichinella