Which of the Following Statements Concerning Control of Blood Flow

question 60

Multiple Choice

Which of the following statements concerning control of blood flow through arterioles is TRUE?

• A)Beta-adrenergic receptors are more abundant on most arteriolar smooth muscle than are alpha-adrenergic receptors.
• B)Binding of epinephrine to alpha-adrenergic receptors causes vasodilation.
• C)Increased stimulation of vascular smooth muscle by the parasympathetic nervous system causes increased vasoconstriction.
• D)If the arterial blood pressure to an organ suddenly decreases,arterioles in the organ will dilate in response.
• E)Body-wide constriction of arterioles results in a decrease in the total peripheral resistance (TPR).

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Definitions:

Electroencephalograph

A device used to record the electrical activity of the brain, often used in the diagnosis and monitoring of neurological conditions.

Brain Waves

Patterns of electrical activity in the brain, measurable by EEG, that reflect different states of consciousness or mental activities.

Alpha Waves

Rapid low-amplitude brain waves that have been linked to feelings of relaxation.

Psychoanalysis

A therapeutic approach that focuses on exploring unconscious conflicts and motivations to treat psychological disorders.