Which of the following is responsible for closing the left AV valve?

Questions 80

ATI LPN

ATI LPN Test Bank

Medical Surgical Endocrine ATI Quizlet Questions

Question 1 of 5

Which of the following is responsible for closing the left AV valve?

Correct Answer: C

Rationale: Ventricular systole closes mitral valve as ventricular pressure exceeds atrial.

Question 2 of 5

Any of the following may provoke an immune response except:

Correct Answer: D

Rationale: All can trigger immunity: injury, pathogens, cancer, and autoimmunity.

Question 3 of 5

The 'Adams' Apple' is the:

Correct Answer: A

Rationale: Thyroid cartilage forms the prominent Adam's apple.

Question 4 of 5

Which hormone does not play a role in regulating fluid and electrolyte balance?

Correct Answer: C

Rationale: Leptin regulates appetite, not fluid/electrolytes; others do.

Question 5 of 5

One modality of therapy for cardiospasm is forceful dilatation of the narrowed sphincter

Correct Answer: A

Rationale: Forceful dilatation (e.g., pneumatic dilation) is a standard treatment for cardiospasm (achalasia) to relieve the obstruction at the lower esophageal sphincter.

Access More Questions!

ATI LPN Basic


$89/ 30 days

ATI LPN Premium


$150/ 90 days

Similar Questions