medical microbiology test bank

Questions 81

ATI RN

ATI RN Test Bank

medical microbiology test bank Questions

Question 1 of 5

Brown algae are commonly referred to as:

Correct Answer: A

Rationale: The correct answer is A: Phaeophyta. Brown algae are commonly referred to as Phaeophyta because they contain brown pigments like fucoxanthin. Rhodophyta (B) refers to red algae, Chrysophyta (C) to golden algae, and D repeats the same term as A. Therefore, A is the correct choice based on the distinctive pigments present in brown algae.

Question 2 of 5

CDC stands for:

Correct Answer: A

Rationale: The correct answer is A: Centers for Disease Control and Prevention. The CDC is a U.S. government agency responsible for protecting public health and safety. The correct answer is the only choice that accurately reflects the agency's purpose. Choice B (Children's Disease Center) is incorrect because the CDC's scope is not limited to children's health. Choice C (Central Disaster Control Center) is incorrect as the CDC primarily focuses on disease prevention. Choice D (Central Drug Evaluation and Control Center) is incorrect as the CDC's main focus is not on drug evaluation. Thus, the correct answer is A as it aligns with the CDC's mission and responsibilities.

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

The time in minutes in which 90% of the bacterial population will be killed at a given temperature is called the

Correct Answer: D

Rationale: The correct answer is D: decimal reduction time. This term represents the time required at a specific temperature to kill 90% of a bacterial population. It is a key parameter in microbiology to determine the effectiveness of a given heat treatment. Generation time (A) refers to the time it takes for a population to double in size. Thermal death time (B) is the shortest time needed to kill all organisms at a specific temperature. Sterilization time (C) is a general term and does not specifically refer to the time required to kill 90% of the population.

Question 5 of 5

“Athlete’s foot� is referred to as:

Correct Answer: D

Rationale: The correct answer is D: tinea pedis. Athlete's foot is a fungal infection that affects the feet, specifically the skin between the toes and on the soles. "Tinea pedis" is the medical term for athlete's foot, with "tinea" meaning a fungal infection and "pedis" referring to the foot. A: tinea capitis refers to a fungal infection of the scalp, not the feet. B: tinea corporis refers to a fungal infection of the body, not specifically the feet. C: tinea versicolor refers to a fungal infection that causes discoloration of the skin, not typically on the feet. In summary, the other choices are incorrect because they refer to fungal infections affecting different parts of the body, whereas "tinea pedis" specifically refers to athlete's foot.

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