Which type of blood cell plays an important role in the clotting process?
A) thrombocyte
B) erythrocyte
C) leukocyte
D) lymphocyte
A
Explanation:
A) Correct. The thrombocyte, or platelet, is the blood clotting cell.
B) An erythrocyte is a red blood cell.
C) A leukocyte is a white blood cell.
D) A lymphocyte is a cell in the lymphatic system.
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A. WBCs. B. platelets. C. cerebral fluid. D. RBCs.
Competitive focuses on student work
A. motivate the less skilled. B. can improve performance of the highly skilled. C. should rarely be used in a physical education class. D. Do none of these.
The primary sign in proliferative retinopathy is
a) Intraretinal microvascular anomalies b) Venous beading and loops c) Neovascularization on the retinal surface d) Vitreous hemorrhage e) Bleeding in the vitreous
Which of the following diseases has an incubation period of 2 to 10 days, in men, with the onset marked by a tingling in the urethra followed in 2 to 3 hours by a greenish-yellow discharge of pus and painful urination?
A. Gonorrhea B. Genital herpes C. Genital candidiasis D. Condyloma acuminata