Blood leaves the right ventricle through the ________ valve to reach the capillaries supplying the lungs.
A) aortic
B) mitral
C) pulmonary
D) tricuspid
E) bicuspid
Ans: C) pulmonary
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How are sodium levels and blood pressure related?
A. Increased plasma sodium levels decrease water retention, decrease blood volume, and increase blood pressure. B. Decreased plasma sodium levels increase water retention, increase blood volume, and decrease blood pressure. C. Increased plasma sodium levels increase water retention, blood volume, and blood pressure. D. Decreased plasma sodium levels decrease water retention, increase blood volume, and increase blood pressure.
Which of the following might be injected into a patient who is prone to forming blood clots and therefore at risk of a heart attack or stroke?
A. Fibrin B. Factor X C. Heparin D. Fibrinogen E. Thromboplastin
The muscle that elevates the tongue is the
A) genioglossus. B) hyoglossus. C) palatoglossus. D) geniohyoid. E) digastric.
What is the function of dissolved salts in the plasma?
A. Maintain pH and transport substances B. Maintain osmotic pressure and pH C. Maintain osmotic pressure and food for cells D. Transport and fight infection