Which of the following is the best response given to a patient by the nurse when a patient with heart failure asks for an explanation of his ejection fraction?
A) "It is the amount of blood pumped from the heart with each beat."
B) "It is the percentage of blood pumped by the heart with each beat."
C) "It is the amount of blood the heart pumps each minute."
D) "It is the amount of blood the heart pumps each minute divided by the body surface area."
B) "It is the percentage of blood pumped by the heart with each beat."
Explanation: A) Stroke volume is the amount of blood pumped out of the heart with each beat in milliliters.
B) Ejection fraction is a measurement of the percentage of blood ejected from the left ventricle with each contraction.
C) Cardiac output is the amount of blood pumped out of the heart in liters per minute.
D) Cardiac index refers to the value obtained when the cardiac output is divided by the body surface area.
You might also like to view...
Following a discussion with a patient about treatment options given by the primary care physician, a nurse assures the patient that the physician will support whatever decision is made. This nurse is acting as the patient's
1. Ethics board 2. Value system 3. Advocate 4. Conscience
Hypnotics have a more intense depressant effect on the central nervous system than do sedatives
Indicate whether the statement is true or false.
The nurse is assessing clients in the eye clinic that have come to be seen for infections in the eye. The nurse is aware that accurate diagnosis is a key to preventing further complications from conjunctivitis
Which of the following clients with conjunctivitis would be of greatest concern to the nurse? 1. The client from Chicago 2. The client from Maryland 3. The client from New York 4. The client from the sub-Sahara
The physician prescribes atenolol (Tenormin), 0.05 g orally daily. The label on the medication bottle states atenolol (Tenormin), 25-mg tablets. How many tablets will the nurse administer to the client? (Enter the answer in the space provided.)
What will be an ideal response?