​What Evidence Do We Have That the Preoptic Area Controls

question 69

Multiple Choice

​What evidence do we have that the preoptic area controls body temperature?

• A)After damage to the preoptic area, an animal will simultaneously sweat and shiver.
• B)Each cell in the preoptic area has a temperature at which it is most active.​
• C)Removed cells maintain a constant temperature even in a cell culture.​
• D)Heating or cooling the preoptic area leads to sweating or shivering.​

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Definitions:

Hemothorax

The accumulation of blood in the pleural cavity, which is the space between the lungs and the chest wall, often resulting from injury or trauma.

Water-Seal Chamber

A part of a chest drainage system that prevents air from re-entering the chest cavity while allowing gases to escape from a pleural space.

Subcutaneous Emphysema

The presence of air or gas in the tissue beneath the skin, often resulting from trauma or surgery, characterized by swelling and crackling sensations.

Hypoxemia

A medical condition where there is a deficiency of oxygen in the blood, leading to compromised oxygen delivery to tissues.