A polarized cell
a) has a charge imbalance across its membrane.
b) includes most cells of the body.
c) exhibits a membrane potential.
d) includes most cells of the body and exhibits a membrane potential.
e) All of these choices are correct.
e
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The addition of ACh to the SA node would decrease the number of T waves observed per minute on an ECG
Indicate whether the statement is true or false
Blood is pushed through ________ by the pumping action of the heart.
A. lymphatic vessels B. blood vessels C. Both blood vessels and lymphatic vessels
The superior mesenteric artery supplies ________
A) the stomach and small intestine B) most of the small intestine and half of the large intestine C) all of the abdominal mesenteries D) the distal half of the large intestine
The rotator cuff muscles
A. fix the scapula in place. B. attach the arm to the thorax. C. attach the clavicle to the humerus. D. hold the head of the humerus in the glenoid fossa of the scapula. E. attach at the distal end of the humerus.