Chapter 14: Medical Asepsis and Infection Control - Nurselytic

Correct Answer: G

Rationale: Protozoa are single-celled organisms that can cause intestinal illnesses, such as those from contaminated water (e.g., Giardia).

Correct Answer: B

Rationale: Fungi, which can be unicellular or multicellular, often enter through skin breaks, causing infections like athlete's foot or candidiasis.

Correct Answer: F

Rationale: Helminths are parasitic worms, such as tapeworms or roundworms, that often inhabit the human digestive tract.

Correct Answer: A

Rationale: Bacteria are single-celled microorganisms classified by shapes like cocci, bacilli, and spirilla.

Correct Answer: A,C,G

Rationale: Streptococcus pyogenes (Group A Streptococcus) causes strep throat, scarlet fever, and can lead to complications like rheumatic fever, which damages heart valves. Ear infections, gas gangrene, and diarrhea are caused by other pathogens.