GR - Blood, Heart, and Circulation III

GR - Blood, Heart, and Circulation III - Guided Reading -...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Guided Reading - Blood, Heart, and Circulation III 1. Myocardial cells exhibit a plateau phase instead of quickly repolarizing. This is due to A. inward diffusion of calcium through slow Ca 2+ channels. B. inward diffusion of sodium through fast Na + channels. C. inward diffusion of potassium through voltage-gated K + channels. D. outward pumping of sodium by the Na + /K + pump. 2. The referred pain indicative of myocardial ischemia is known as bradycardia. True False 3. The pulmonary veins return oxygen depleted blood to the right atrium. True False 4. Which of the following is NOT a lymphatic organ? A. tonsils B. lymph nodes C. thymus D. spleen 5. Vitamin K is needed for A. proper clotting factor function. B. directly activating fibrinogen. C. directly stabilizing the fibrin polymer. D. activating antithrombin III. 6. Sudden death from cardiac arrhythmia culminates in asystole. True False 7. Arteries usually carry blood high in oxygen toward the heart. True False
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

GR - Blood, Heart, and Circulation III - Guided Reading -...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online