Which type of leukocyte has granules that release histamine and heparin?
A. Basophil
B. Monocyte
C. Lymphocyte
D. Neutrophil
Answer: A
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Heparin prevents blood clotting by
A. inhibiting the formation of prothrombin activator and the action of thrombin on fibrinogen. B. interfering with the formation of thrombin and fibrinogen. C. depleting the blood of platelets. D. binding to calcium ions.
What kind of behavior does oxytocin facilitate?
a. sexual promiscuity b. aggression c. ritualistic behavior d. increased awareness and cognition e. bonding between mother and infant
Which wave on the EKG represents ventricular repolarization and subsequent relaxation?
a. T-wave b. R-wave c. QRS Complex d. P-wave e. SA nodal wave
Which of the following does not contribute to the sense of equilibrium?
A) Vallate papillae B) Utricle C) Semicircular canals D) Saccule E) Otolithic membrane