When preparing a patient for surgery, you would want to use a(n) _____ on the patient's skin.
antiseptic
disinfectant
surfactant
antibiotic
The Correct Answer is A
A. Antiseptic: Antiseptics are chemical agents suitable for application to living tissue to reduce microbial load on skin and mucous membranes before invasive procedures.
B. Disinfectant: Disinfectants are intended for inanimate surfaces and are often too harsh or toxic for direct use on patient skin.
C. Surfactant: Surfactants (detergents) help remove soils and some microbes but are not the primary agents used to achieve surgical skin antisepsis.
D. Antibiotic: Systemic or topical antibiotics treat or prevent infection but are not the standard topical agent used to prepare skin immediately before surgery.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Horizontal: Horizontal gene transfer refers to the movement of genetic material between organisms other than by descent; the toxin genes were transferred between different bacterial species, fitting this process.
B. Vertical: Vertical gene transfer occurs from parent to offspring during reproduction, not between unrelated bacteria.
C. Diagonal: Diagonal gene transfer is not a recognized biological process.
D. Jumping: “Jumping” may refer to transposons within a genome, but not to gene exchange between distinct organisms as described in this case.
Correct Answer is B
Explanation
B. False: Endospores are highly resistant to heat and other stresses; because microwaves can heat unevenly and may not achieve sterilizing conditions, reheating food in a microwave does not reliably kill bacterial endospores.
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