Why Are Children Less Efficient at Thermoregulation Than Adults

question 91

Multiple Choice

Why are children less efficient at thermoregulation than adults?

• A)Children's sweat rate is much higher than adult's
• B)Children's sweat rate is much lower than adult's
• C)Children have a comparably smaller surface area than adults which allows greater heat exchange
• D)Children's ratio of surface area to body mass causes slower heat loss in the cold

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Definitions:

Ductus Arteriosus

A fetal blood vessel that connects the pulmonary artery to the descending aorta, allowing most blood to bypass the fetus's developing lungs.

Fetal Pulmonary Trunk

A major vessel in the developing fetus that carries blood from the heart to the lungs for oxygenation.

Fetal Aorta

The main artery in the fetus that carries blood from the heart to various parts of the body.

Costocervical Artery

An artery that supplies blood to the upper back, neck, and upper ribs.