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