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1. A nurse is assessing a patient's heart rate and pulse. She
notices that the patient has a regular heart rhythm, but the
pulse is weak and thready. What does this indicate?
a) The patient has a low cardiac output
b) The patient has a high cardiac output
c) The patient has a normal cardiac output
d) The patient has an irregular cardiac output
Answer: A. A weak and thready pulse indicates that the
patient has a low cardiac output, which means that the heart
is not pumping enough blood to meet the body's needs.
2. A nurse is teaching a group of nursing students about the
basic structure of the heart. She asks them to identify the
chamber of the heart that receives oxygenated blood from
the lungs. Which chamber is it?
a) Right atrium
b) Right ventricle
c) Left atrium
d) Left ventricle
Answer: C. The left atrium is the chamber of the heart that
receives oxygenated blood from the lungs through the
pulmonary veins.
3. A nurse is caring for a patient who has a history of
hypertension and coronary artery disease. She measures his
blood pressure and finds it to be 180/100 mmHg. What is
the most appropriate action for the nurse to take?
a) Administer antihypertensive medication as prescribed
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