Which of the following leads to a decrease in ESV?
a. acetylcholine
b. preload
c. afterload
d. parasympathetic activity
e. vagal activity
B
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The term aerobic refers to reactions
a. that occur in the lungs b. that require carbon dioxide c. that continue only when oxygen is available d. do not require an input of carbon dioxide e. that occur without oxygen
The X chromosome and not the Y chromosome codes for cellular products essential for sperm development
Indicate whether the statement is true or false
When actinomyosin of platelets contracts and squeezes the serum out of a clot, the process is called clot ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements regarding the dissolving of blood clots is FALSE?
A. Plasminogen is an inactive precursor of the enzyme plasmin. B. Blood clots are digested by plasmin. C. It involves aggregation of soluble fibrin fragments into fibrin. D. Tissue plasminogen activator (t-PA) is secreted by endothelial cells. E. Activation of the reactions that lead to blood clotting ultimately lead to blood clot dissolution.