Normal heart sounds are produced by vibrations caused by the closing of the AV valves at the end of diastole and the closing of the aortic and pulmonary valves at the end of systole
Indicate whether the statement is true or false.
TRUE
Anatomy & Physiology
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Which of the following is NOT a neurotransmitter?
a. interneuron b. dopamine c. norepinephrine d. acetylcholine
Anatomy & Physiology
An increase in blood vessel diameter would lead to a decrease in blood flow
Indicate whether this statement is true or false.
Anatomy & Physiology
The mechanism of acid secretion by the parietal cells of the stomach involves the actions of the
A) Enzyme pepsid anhydrase. B) K+/H+ ATPase proton pump. C) Cl-/H+ exchanger. D) All of the above
Anatomy & Physiology
The function of the pericardial fluid is to
A) store calcium for the heart. B) provide oxygen to the heart. C) provide fuel to the heart. D) remove waste products from the heart. E) reduce friction between the heart and the pericardium.
Anatomy & Physiology