A Term Newborn Boy Is Evaluated in the Neonatal Intensive

question 39

Multiple Choice

A term newborn boy is evaluated in the neonatal intensive care unit for respiratory distress.  Apgar scores are 2 and 5 at 1 and 5 minutes, respectively.  Respirations are 84/min.  On examination, the patient has a barrel chest with a scaphoid abdomen and mild cyanosis of his extremities.  Auscultation shows absent breath sounds on the left; right lung aeration is normal.  Chest x-ray reveals multiple fluid-containing cystic areas on the left and a mediastinal shift to the right.  Which of the following embryologic events most likely failed to occur in this patient?

• A)Closure of the pleuroperitoneal fold
• B)Closure of the ventral body wall
• C)Formation of the pleuropericardial membrane
• D)Rotation of the midgut
• E)Separation of the dorsal and ventral foregut

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Definitions:

Fully Recover

The process of returning to a state of health, wellness, or normal functioning after an illness, injury, or medical treatment.

Parkinson's Disease

A progressive neurological disorder that affects movement, causing symptoms such as tremors, rigidity, and slowness of movement.

Calorie Restriction

The practice of limiting dietary energy intake (while consuming sufficient quantities of vitamins, minerals, and other important nutrients) for the purpose of improving health and slowing down the aging process.

Aging

The process of becoming older, which involves a number of biological, psychological, and social changes over time.