In chewing a bite of apple, what actions are are you performing with your mandible?
A. Adduction and abduction
B. Lateral and medial excursion
C. Protraction and retraction
D. Eversion and inversion
E. Depression and elevation
Answer: E
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Answer the following statements true (T) or false (F)
1. When the ratio of the buffer pair falls below what it should be, uncompensated metabolic acidosis can occur. 2. In cardiac arrest, the lack of respiration causes a rapid onset of respiratory acidosis. 3. In cardiac arrest, the buffer system in the blood is overwhelmed and is unable to restore the proper blood pH. 4. Pure water with a pH of 7.0 would have neither hydrogen nor hydroxide ions. 5. The lungs remove just under 10 liters of carbonic acid from the venous blood each day.
Near the elbow, the brachial artery branches and gives rise to which of the following?
A. The radial and superior ulnar collateral arteries B. The ulnar artery and the superior ulnar collateral artery C. The deep brachial and radial collateral arteries D. The radial and ulnar arteries E. The radial and anterior interosseous arteries
A neuron receives a series of stimuli that increases the membrane permeability of Na+, but not enough to cause membrane potential to surpass -55mV. This neuron is said to be
A. graded. B. amplified. C. refractory. D. facilitated.
The pterion:
A) is posteroinferior to the external acoustic meatus. B) is part of the sphenoid bone. C) is part of the temporal bone. D) overlies the anterior branch of the middle meningeal artery. E) is located at the junction of the sagittal and coronal sutures.