What is the mechanism of action of prostaglandin E1 (PGE1) in a patient with transposition of the great arteries?- Nurselytic

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Question 1 of 5

What is the mechanism of action of prostaglandin E1 (PGE1) in a patient with transposition of the great arteries?

A. To maintain equal pressure in the ventricles B. To maintain patency of the great arteries C. To produce vasodilation D. To prevent cyanotic episodes by trapping blood in the lower body

Correct Answer: B

Rationale: PGE1 helps maintain the ductus arteriosus, allowing for normal circulation in transposition of the great arteries.

Question 2 of 5

Conductive and sensorineural phases are necessary for hearing to take place. The sensorineural phase of hearing pathways involves the:

A. Cochlea and the cochlear nerve B. External ear canal and the middle ear C. Ossicles and the inner ear D. Transfer of sounds from the external environment into the external auditory canal

Correct Answer: A

Rationale: The cochlea and cochlear nerve are involved in the sensorineural phase of hearing.

Question 3 of 5

Which assessment findings are NOT associated with pyloric stenosis in a 2-month-old infant?

A. Projectile vomiting B. Severe dehydration as demonstrated by sunken eyeballs and depressed anterior fontanelle C. A bloated and tense tympanic abdomen D. A palpable mass the size and shape of an olive, located in the right upper quadrant of the abdomen

Correct Answer: C

Rationale: A bloated and tense tympanic abdomen is not typically associated with pyloric stenosis.

Question 4 of 5

The typical presentation of severe acute aortic regurgitation (AR) includes sudden severe shortness of breath, rapidly developing heart failure, and:

A. Dry cough B. Chest pain C. Decreased blood pressure D. Systolic murmur

Correct Answer: B

Rationale: Chest pain is common due to the increase in left ventricular pressure.

Question 5 of 5

What is the mechanism of action of prostaglandin E1 (PGE1) in a patient with transposition of the great arteries?

A. To maintain equal pressure in the ventricles B. To maintain patency of the great arteries C. To produce vasodilation D. To prevent cyanotic episodes by trapping blood in the lower body

Correct Answer: B

Rationale: PGE1 helps maintain the ductus arteriosus, allowing for normal circulation in transposition of the great arteries.

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