ATI RN
Infection Control Quiz Questions and Answers Questions
Question 1 of 5
In CSF of a patient with viral meningitis, the most prominent white cell is usually?
Correct Answer: B
Rationale: Viral meningitis typically presents with a lymphocytic predominance in the CSF, unlike bacterial meningitis which shows polymorphonuclear leukocytes (neutrophils). Lymphocytes are the most prominent white cells in viral meningitis, making B the correct answer.
Question 2 of 5
Which organism is least likely to show the characteristic periodicity of fever in malaria?
Correct Answer: D
Rationale: P. falciparum often lacks the classic periodic fever (every 48-72 hours) seen in P. vivax, P. ovale, and P. malariae, due to its asynchronous replication.
Question 3 of 5
In which of these do you see clue cells?
Correct Answer: B
Rationale: Clue cells (vaginal epithelial cells coated with bacteria) are diagnostic of bacterial vaginosis on wet mount microscopy.
Question 4 of 5
Which of these causes of gastroenteritis usually requires treatment with antibiotics?
Correct Answer: D
Rationale: Giardia, a protozoan, typically requires antiparasitic treatment (e.g., metronidazole), not antibiotics, unlike the bacterial causes listed.
Question 5 of 5
Which ONE of the following is NOT a diagnostic criterion for Kawasaki's disease?
Correct Answer: C
Rationale: Generalized lymphadenopathy is not a core criterion; cervical lymphadenopathy is one of five required features with fever.