ATI RN
Microbiology An Introduction Tortora Test Bank Questions
Question 1 of 5
A patient ill with amebiasis was prescribed a certain drug. The use of alcohol together with this drug is contraindicated because the drug inhibits metabolism of ethyl alcohol. What drug is it?
Correct Answer: A
Rationale: Rationale: 1. Metronidazole is known to inhibit aldehyde dehydrogenase, an enzyme involved in alcohol metabolism. 2. Inhibition of this enzyme leads to accumulation of acetaldehyde, causing unpleasant symptoms when alcohol is consumed. 3. This reaction is known as the disulfiram-like reaction. 4. Reserpine, Clonidine, and Diazepam do not have this specific mechanism of action. Summary: - Option A (Metronidazole) is correct due to its inhibition of alcohol metabolism. - Options B, C, and D are incorrect as they do not exhibit this interaction with alcohol metabolism.
Question 2 of 5
How many types of herpes simplex virus are there?
Correct Answer: B
Rationale: The correct answer is B because there are two types of herpes simplex virus: HSV-1 and HSV-2. HSV-1 typically causes oral herpes, while HSV-2 usually causes genital herpes. Choice A is incorrect because there is more than one type. Choices C and D are also incorrect as there are only two types of herpes simplex virus known to infect humans.
Question 3 of 5
Planned mass vaccination of all newborn 5-7 day old children against tuberulosis plays an important role in tuberculosis prevention. In this case the following vaccine is applied:
Correct Answer: A
Rationale: The correct answer is A: BCG (Bacille Calmette-Guerin). BCG is the vaccine used for tuberculosis prevention, not only for newborns but also for older children and adults. BCG helps in protecting against severe forms of tuberculosis in infants. Diphteria and tetanus toxoids and pertussis vaccine (choice B) is for protection against diphtheria, tetanus, and pertussis, not tuberculosis. Diphtheria and tetanus anatoxin vaccine (choice C) provides protection against diphtheria and tetanus, not tuberculosis. Adsorbed diphtheria vaccine (choice D) is specifically for diphtheria, not tuberculosis. Therefore, the correct choice is A as it is the only vaccine related to tuberculosis prevention.
Question 4 of 5
Which statement about the epidemiology and specific prophylactic of Haemophilus influenzae is NOT CORRECT?
Correct Answer: B
Rationale: The correct answer is B because there is no effective killed vaccine that is protective against all capsular types of Haemophilus spp. The Haemophilus influenzae vaccine primarily targets specific capsular types, not all of them. Choice A is incorrect because non-encapsulated strains can indeed be isolated from healthy carriers. Choice C is incorrect as Haemophilus influenzae is primarily transmitted through respiratory droplets, not through the air. Choice D is not correct because Choice B is indeed incorrect, making it the right answer.
Question 5 of 5
A patient ill with amebiasis was prescribed a certain drug. The use of alcohol together with this drug is contraindicated because the drug inhibits metabolism of ethyl alcohol. What drug is it?
Correct Answer: A
Rationale: Rationale: 1. Metronidazole is known to inhibit aldehyde dehydrogenase, an enzyme involved in alcohol metabolism. 2. Inhibition of this enzyme leads to accumulation of acetaldehyde, causing unpleasant symptoms when alcohol is consumed. 3. This reaction is known as the disulfiram-like reaction. 4. Reserpine, Clonidine, and Diazepam do not have this specific mechanism of action. Summary: - Option A (Metronidazole) is correct due to its inhibition of alcohol metabolism. - Options B, C, and D are incorrect as they do not exhibit this interaction with alcohol metabolism.
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