According to PET Scans,which of the Following Areas Are the First

question 151

Multiple Choice

According to PET scans,which of the following areas are the first to show activity when a voluntary movement is initiated?

• A) the parietal and temporal lobes
• B) the parietal lobes and prefrontal cortex
• C) the supplementary motor area and the premotor area
• D) the premotor area and the parietal lobes

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Definitions:

Blood Loss

The reduction in the volume of blood in the body, which can result from injury, surgery, or a medical condition.

Juxtaglomerular Apparatus

A specialized structure in the kidney involved in blood pressure regulation by secreting renin in response to blood pressure changes.

Efferent Arteriole

An efferent arteriole is a small artery that emerges from the glomerulus in the kidney, carrying filtered blood away from the glomerulus to the capillaries of the kidney tubules.

Angiotensin II

A hormone that causes blood vessels to constrict, resulting in increased blood pressure, and stimulates the release of aldosterone from the adrenal glands.