A drug decreases heart rate by blocking a receptor on cardiac muscle cells. This drug probably binds to:

A) ?1 receptors.

B) ?2 receptors.

C) ?1 receptors.

D) nicotinic cholinergic receptors.


Answer: A

Anatomy & Physiology

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During isovolumetric contraction, the pressure in the ventricles ________.

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Anatomy & Physiology

Which of the following isĀ notĀ associated with innate immunity?

A. Inflammation B. Mucous membranes of the respiratory tract C. Vaccination D. Lysozyme E. Fever

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A person with alkalosis has a blood pH less than 7.3.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Which of the following symptoms is not associated with alkalosis?

a. Disorientation and comatose state b. Tingling "pins and needles" sensations c. Muscle twitches and muscle spasms d. Extreme nervousness e. Convulsions

Anatomy & Physiology