A 5-Week-Old Boy Is Being Evaluated for a Week-Long History

question 527

Multiple Choice

A 5-week-old boy is being evaluated for a week-long history of rapid breathing and tiring with feeds.  The infant was born at home after an uneventful pregnancy.  The mother declined all prenatal testing and ultrasound evaluations.  His temperature is 36.7 C (98 F) , blood pressure is 76/38 mm Hg, pulse is 124/min, and respirations are 66/min.  The patient's cardiovascular examination is notable for a hyperdynamic precordium, a mid-diastolic rumble at the left sternal border, and a 3/6 holosystolic murmur in the apex that radiates to the left axilla.  An echocardiogram shows defects in the lower part of the interatrial septum and the interventricular septum.  This patient's condition is most likely associated with which of the following genetic conditions?

• A)22q11.2 deletion
• B)Autosomal trisomy
• C)Fibrillin mutation
• D)Frataxin mutation
• E)Hamartin gene mutation
• F)Sex chromosome monosomy

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Definitions:

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in the price of that good, showing the sensitivity of consumers to price changes.

Point C

In the context of economic graphs and models, a specific point that can represent a variety of economic outcomes or equilibria depending on the diagram.

Price Elasticity

An indicator of the sensitivity of demand for a product to variations in its price.

Greeting Cards

Printed or digital cards sent to convey messages of greeting, celebration, or other sentiments on special occasions.