Two muscles that are synergists are the
A) biceps brachii and triceps brachii.
B) biceps brachii and brachialis.
C) coracobrachialis and brachioradialis.
D) deltoid and brachioradialis.
E) latissimus dorsi and trapezius.
Ans: B) biceps brachii and brachialis.
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The anterior portion of the palate is formed by the:
A) hyoid bone and mandible. B) union of the facial bones. C) maxilla and palatine bones. D) soft tissues of the posterior pharynx.
Which of the following is the principle bile pigment?
a) Stercobilin b) Bilirubin c) Biliverdin d) Both Stercobilin and Bilirubin e) All of these choices
Procaine (Novocain) is a drug that blocks voltage-gated Na+ channels. When present, what would happen in a neuron?
A. Neither graded potentials nor action potentials will occur. B. Graded potentials are possible, but the neuron will not have the depolarizing phase of the action potential. C. Graded potentials are possible and the neuron will have the depolarizing phase of the action potential, but will be unable to repolarize. D. No phase of the action potential will be affected.
Transitional epithelium is found
A) lining the urinary bladder. B) lining the ducts that drain sweat glands. C) lining kidney tubules. D) lining the stomach. E) at the surface of the skin.