Receptors responsible for the control of muscle contractions are

A. muscle spindles.
B. Pacinian corpuscles.
C. Ruffini end organs.
D. Golgi tendon organs.
E. Meissner corpuscles.


D

Anatomy & Physiology

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The myenteric plexus is

A) primarily composed of connective tissue. B) a layer of longitudinal smooth muscle. C) the mucus secreting layer of the digestive tract. D) a network of neurons. E) a layer of circular smooth muscle.

Anatomy & Physiology

Which of the following statements is NOT TRUE?

A. Carbonic anhydrase is released from RBCs during hyperventilation B. Hyperventilation increases blood pH C. Increased pCO2 stimulates chemoreceptor reflex to activate the inspiratory area D. Hypoventilation decreases blood pH

Anatomy & Physiology

The property that allows the heart to initiate each heartbeat itself is called ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which of the following statements is true?

A. When the pressure in the lung is greater than inside the body, air flows from the body until the pulmonary and atmospheric pressures are equal. B. When the pressure in the lung is greater than outside the body, air flows from the body until the pulmonary and atmospheric pressures are equal. C. When the pressure in the lung is greater than outside the body, air flows into the body until the pulmonary and atmospheric pressures are equal. D. When the pressure in the lung is less than outside the body, air flows from the body until the pulmonary and atmospheric pressures are equal.

Anatomy & Physiology