Medical Microbiology Test Bank

Questions 81

ATI RN

ATI RN Test Bank

Medical Microbiology Test Bank Questions

Question 1 of 5

2 weeks since the blood transfusion a recepient has developed fever. What protozoal disease can it be?

Correct Answer: B

Rationale: The correct answer is B: Malaria. Fever developing 2 weeks post-blood transfusion is characteristic of malaria due to the incubation period of the parasite. Trypanosomiasis presents earlier, amebiasis usually causes GI symptoms, and toxoplasmosis typically manifests with flu-like symptoms. Malaria is the most likely cause based on the timing and clinical presentation.

Question 2 of 5

The transcription is...

Correct Answer: C

Rationale: The correct answer is C because transcription is the process in which messenger RNA transcripts are produced from DNA. During transcription, a specific segment of DNA is transcribed into mRNA by RNA polymerase. Choice A is incorrect because translation, not transcription, involves converting mRNA into protein. Choice B is incorrect as it describes DNA replication, not transcription. Choice D is incorrect because it refers to translation, where polypeptides are synthesized from mRNA. Therefore, choice C is the correct answer as it accurately describes the process of transcription.

Question 3 of 5

Which ones of the following symptoms are not typical of botulism:

Correct Answer: D

Rationale: The correct answer is D. Botulism typically presents with symptoms such as dry mouth, difficulty swallowing, blurred vision, diplopia, and descending flaccid paralysis. Chills, fever, and loss of consciousness are not typical of botulism. Botulism is caused by a neurotoxin produced by Clostridium botulinum bacteria, which affects the nervous system leading to muscle weakness and paralysis, not fever or altered consciousness. Therefore, choice D is the correct answer.

Question 4 of 5

What is the role of bacterial enzymes like amylase and protease?

Correct Answer: C

Rationale: The correct answer is C because bacterial enzymes like amylase and protease catalyze biochemical reactions like digestion. Amylase breaks down carbohydrates, while protease breaks down proteins. This process is essential for bacterial metabolism and nutrient acquisition. Choice A (Break down toxins) is incorrect because bacterial enzymes are primarily involved in nutrient breakdown, not toxin degradation. Choice B (Facilitate movement) is incorrect as enzymes are not directly involved in bacterial movement. Choice D (Promote spore formation) is incorrect because enzymes like amylase and protease are not directly involved in spore formation.

Question 5 of 5

Which of these is an early symptom of rabies

Correct Answer: D

Rationale: The correct answer is D because all of the symptoms mentioned (short period of depression, nausea, restlessness) can be early signs of rabies. Rabies typically presents with a variety of non-specific symptoms in the early stages, including behavioral changes such as depression and restlessness, as well as gastrointestinal symptoms like nausea. Therefore, it is important to consider the combination of these symptoms collectively rather than individually when suspecting rabies. Choices A, B, and C alone may not definitively indicate rabies, but when seen together, they should raise suspicion and prompt further evaluation and testing for rabies.

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