The ________ flexes the forearm.
A. gluteus maximus
B. triceps brachii
C. biceps brachii
D. frontalis
Answer: C
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Which two ligaments extend from the thyroid cartilage to the arytenoid cartilages?
A. Thyrohyoid and cricoids B. Cricoid and arytenoid C. Corniculate and cricoid D. Vestibular and vocal E. Laryngeal and corniculate
Cardiac muscle cannot undergo tetanus because its absolute refractory period lasts almost as long as the muscle twitch
Indicate whether the statement is true or false.
Most of the O2 in the blood is transported as ________.
A. carbonic anhydrase B. dissolved O2 in the plasma C. bicarbonate ions D. oxyhemoglobin
Of the changes listed below, which is associated with aging of the digestive system?
A. Increased saliva production B. Increased perception of flavor intensity C. Increased production of stomach acid D. Decreased production of intrinsic factor and less efficient absorption of vitamin B12 E. Increased intestinal absorption of iron and calcium