The smallest functional units of the muscle fibers are the ________.
Fill in the blank(s) with the appropriate word(s).
sarcomeres
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Which of the following acts on more than 1 digit?
A. abductor pollicis longus B. extensor indicis C. flexor digitorum profundus D. extensor digiti minimi
Blood serum is essentially the same as blood plasma, except that plasma contains ________ and serum does not.
A. albumin B. glucose C. nitrogenous wastes D. platelets E. fibrinogen
Which of the following events occurs last?
A. Sodium ion reabsorption by the kidney tubules B. Release of aldosterone by the adrenal cortex C. Release of renin by the kidney D. Angiotensinogen ? angiotensin I E. Angiotensin I ? angiotensin II
Calculate the stroke volume (SV) if end-systolic volume (ESV) is 50 ml and the end-diastolic volume (EDV) in a resting heart is 110 ml
A) 10 ml B) 60 ml C) 160 ml D) 50 ml