Which of the following is not a function of thrombin?
a. stimulates conversion of fibrinogen to fibrin
b. activates tissue thromboplastin, which initiates the extrinsic clotting pathway
c. activates factor XIII (fibrin-stabilizing factor)
d. enhances platelet aggregation
e. acts in positive-feedback fashion to facilitate its own formation
B
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Which of the following arteries supply blood to the brain?
A. external carotid arteries B. internal carotid arteries C. vertebral arteries D. Both the internal carotid arteries and the vertebral arteries.
Cardiac muscle cells ________
A) None of the listed responses is correct. B) lack striations C) have more than one nuclei per cell D) interconnect at intercalated discs
The ventricles always depolarize at the same rate as the SA node depolarizes
Indicate whether the statement is true or false
Which of the following statements accurately summarizes the difference between static and dynamic equilibrium?
A) Static equilibrium involves changes in olfaction, whereas dynamic equilibrium involves changes in gustation. B) There is no difference between static and dynamic equilibrium. C) Static equilibrium involves changes in linear movements, whereas dynamic equilibrium involves changes in angular acceleration and deceleration. D) Dynamic equilibrium involves changes in linear movements, whereas static equilibrium involves changes in angular acceleration and deceleration.