ATI RN
Disaster Preparedness and Emergency Management Questions
Question 1 of 5
True statements regarding type B Haemophilus influenzae include all the following EXCEPT
Correct Answer: C
Rationale: H. influenzae type B (Hib) was a major cause of epiglottitis and mortality in children before vaccination, and resistance to ampicillin is common (>15%). However, (C) is false: while Hib causes otitis media, nontypeable H. influenzae is the most common bacterial cause, not type B.
Question 2 of 5
Correct statements regarding hepatitis B include all the following EXCEPT
Correct Answer: D
Rationale: Hepatitis B is transmitted via blood, sexual contact, or vertically, not primarily fecal-oral (which is hepatitis A), making (D) false. All other statements are true.
Question 3 of 5
The case-fatality rate of cholera is currently less than 1 percent. Major factors responsible for this low casefatality rate include
Correct Answer: C
Rationale: Intravenous rehydration is the primary reason for cholera’s low case-fatality rate today, as it directly treats dehydration, the main cause of death.
Question 4 of 5
The administration of a single injection of live attenuated measles vaccine results in
Correct Answer: A
Rationale: Measles vaccine induces 95% seroconversion and long-term immunity. Risks like encephalitis are rare (<1 per million), and it’s contraindicated in leukemia.
Question 5 of 5
Reasons to treat gonorrhea with oral tetracycline $500 \mathrm{mg}$ qid for 7 days-rather than with oral ampicillin $3.5 \mathrm{g}$ plus oral probenecid $1 \mathrm{g}$ taken at one time-include
Correct Answer: B
Rationale: Tetracycline treats coexisting Chlamydia, common in gonorrhea patients, while ampicillin does not, making (B) the key reason.