BIOS241 Week 8 Exam 3 (Oct 2026)

BIOS241 Week 8: Exam 3 [Chamberlain] BIOS241 Week 8: Exam 3 BIOS241 Week 8: Exam 3 BIOS241 Week 8: Exam 3 BIOS241 Week 8: Exam 3 Question A child presents with nighttime anal itching and visible worms near the anus. What is the most likely diagnosis? Giardiasis Norovirus Salmonellosis Enterobiasis ✅ Question What practices help reduce the spread of antimicrobial resistance in healthcare settings? Select all that apply. Isolating patients with resistant infections ✅ Ensuring proper hand hygiene among staff ✅ Implementing strict infection control protocols ✅ Prescribing antibiotics for all fevers Question Which of the following factors influences the effectiveness of an antimicrobial agent? Select all that apply. Time of day Presence of organic matter ✅ Temperature ✅ pH ✅ Color of the surface Question What is the role of microbial antagonism in the gut? It allows viruses to colonize the intestinal tract It increases the growth of harmful bacteria It eliminates all microbes from the digestive system It allows beneficial microbes to outcompete harmful ones ✅ Question A nurse uses an alcohol pad to clean a patient’s skin before an injection. This is an example of: Degermation ✅ Sanitization Disinfection Sterilization Prion diseases like variant Creutzfeldt-Jakob Disease (vCJD) and protozoan infections like toxoplasmosis differ in their causative agents. Prions are ① misfolded ✅ proteins that lack nucleic acids, while protozoa are ② unicellular ✅ eukaryotic organisms. vCJD is transmitted through consumption of contaminated ③ beef ✅, whereas toxoplasmosis is often acquired through exposure to ④ cat feces ✅ or undercooked meat. Neurological symptoms are common in both, but prion diseases are always ⑤ fatal ✅, while toxoplasmosis may be asymptomatic in healthy individuals. Answers 1–5 misfolded ✅ unicellular ✅ beef ✅ cat feces ✅ fatal ✅……………………………………..purchase this entire exam at $50 only