When a clot is no longer needed, fibrin is dissolved by ________
A) prothrombin
B) thromboplastin
C) plasmin
D) platelet-derived growth factor
E) kallikrein
C
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Follicle-stimulating hormone is a
A. glycoprotein. B. steroid. C. monoamine. D. oligopeptide.
A typical action potential of a myocardial contractile cell lasts ________ millisecond(s).
A) at least 200 B) 1-5 C) at least 500 D) 50-100 E) less than 1
The epithelium of the ________ has both ciliated and non-ciliated simple columnar cells.
Fill in the blank(s) with the appropriate word(s).
Taste buds
A. can perceive seven basic tastes. B. have axons and generate their own action potentials. C. can be found covering both the superior and inferior surfaces of the tongue. D. can only perceive taste if the molecules are in solution. E. are replaced approximately every 30 days.