Atrial depolarization causes the ________.
A. QRS complex
B. T wave
C. P wave
D. first heart sound
E. quiescent period
Answer: C
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A patient with a connective tissue disease experiences increased pulmonary vascular resistance. Over a period of time, you would expect to observe
A) increased cardiac output from the right ventricle. B) increased cardiac output from the left ventricle. C) increased thickness of the right ventricular wall. D) distension of the pulmonary veins from the right lung. E) no appreciable changes in heart structure or function.
A person whose platelet count is 40,000/µl is suffering from
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What is a countercurrent multiplier, and what is its role in the loop of Henle? Briefly explain how it works. Use a diagram if necessary
What will be an ideal response?
How is the strength of a stimulus encoded by neurons?
A. by the size of action potentials B. by the frequency of action potentials C. by the duration of action potentials D. by whether the action potential peak is positive or negative