Which chamber has the thickest wall?
A) left atrium
B) right atrium
C) left ventricle
D) right ventricle
E) left auricle
C
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How are osteons in compact bone tissue aligned?
a) horizontal to the metaphysis. b) parallel to the epiphysis. c) parallel to the length of the diaphysis. d) randomly between the epiphyseal plates. e) parallel to the perforating canals.
When actinomyosin of platelets contracts and squeezes the serum out of a clot, the process is called clot _________
Fill in the blank with correct word.
________ is intestinal gas produced by bacteria in the colon during the metabolism of undigestible carbohydrates.
Fill in the blank(s) with the appropriate word(s).
Epinephrine increases the force of contraction of cardiac muscle by:
A. increasing the amount of Ca++ in the SR for release to the cytosol B. increasing the level of myosin light-chain phosphorylation C. inhibiting the ryanodine receptor D. increasing Ca++ extrusion through the sarcolemmal Ca++ pump E. shortening the duration of the action potential