A toxic megacolon develops due to the distention i

ATI LPN

ATI LPN Test Bank

A toxic megacolon develops due to the distention in the colon. This is caused by:

A. Colitis B. Crohn's disease C. C. difficile bacteria D. All of the above

Correct Answer: D

Rationale: All (D) can cause toxic megacolon via inflammation.

Which of these tests is not necessary for a patient who may have a pulmonary embolism?

A. An echocardiogram B. An X-ray C. An arterial blood gas draw D. A ventilation perfusion scan

Correct Answer: B

Rationale: X-ray (B) isn’t specific for PE diagnosis.

When the pancreas is healthy and produces insulin, how does this affect a diabetic's condition?

A. The insulin is excessive B. The body will not accept the insulin C. The body may not have enough insulin D. Nothing noteworthy happens

Correct Answer: B

Rationale: In diabetes (B), insulin resistance or deficiency persists despite production.

What is responsible for the formation of Parkinson's disease?

A. A stroke B. A spinal cord injury C. A prion infection D. Lewy bodies

Correct Answer: D

Rationale: Parkinson’s (D) involves Lewy body accumulation.

Anaphylaxis is an airway obstruction issue triggered by:

A. Choking B. Humidity C. Dry air D. An allergic reaction

Correct Answer: D

Rationale: Anaphylaxis (D) is an allergic airway emergency.

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