The right common carotid artery and the right subclavian artery branch from the
A. aorta.
B. left common carotid artery.
C. brachiocephalic artery.
D. basilar artery.
E. vertebral artery.
Ans: C. brachiocephalic artery.
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_________ is caused by a transpulmonary pressure greater than zero.
A. A pneumothorax B. Inspiration C. Apnea D. Hyperpnea
A decrease in O2 level in skeletal muscle would initiate an autoregulatory mechanism that would stimulate _________ in the arterioles supplying the muscle.
A. vasodilation B. vasoconstriction C. constriction of the precapillary sphincters D. peristaltic waves
A patient is suffering from ketoacidosis caused by an unregulated high protein diet. Which function of the blood has been compromised?
A. Stabilizing the body's pH B. Protecting against microorganisms C. Stabilizing fluid distribution in the body D. Transporting nutrients E. Transporting hormones
Distinguish between twitch summation and motor recruitment in a skeletal muscle
What will be an ideal response?