A patient asks the nurse, "What is blood pressure?" The nurse would most appropriately respond:
"A complex measurement that should only be discussed with your health care provider."
"A measurement that should always be 120/80 unless complications are present."
"A measurement that takes into consideration the amount of blood that your heart is pumping and the size of the vessel diameter the heart must pump against.”
"The amount of pressure exerted on your veins by the blood."
The Correct Answer is C
A. "A complex measurement that should only be discussed with your health care provider": This response is dismissive and does not provide the patient with valuable information or education.
B. "A measurement that should always be 120/80 unless complications are present": While 120/80 mmHg is a common target, blood pressure varies based on individual health and other factors.
C. "A measurement that takes into consideration the amount of blood that your heart is pumping and the size of the vessel diameter the heart must pump against": This response accurately explains that blood pressure is the force of blood against the walls of the arteries and is influenced by cardiac output and vascular resistance.
D. "The amount of pressure exerted on your veins by the blood": Blood pressure refers to the pressure within the arteries, not veins.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Administer a stat fluid challenge: This might temporarily improve cardiac output in tamponade, but it is not the primary intervention. The fluid challenge may be used as a temporary measure, but it does not address the underlying cause.
B. Place the patient in a prone position: This is incorrect and could worsen the patient's condition. The patient should be in a semi-recumbent position to decrease venous return and reduce pressure on the heart.
C. Draw a stat CBC: A CBC is not relevant to the immediate management of cardiac tamponade and does not address the urgent need to relieve the pressure on the heart.
D. Perform a stat pericardiocentesis: Pericardiocentesis is the definitive treatment for cardiac tamponade, as it removes the fluid from the pericardial space, relieving the pressure on the heart and allowing it to function properly.
Correct Answer is ["136.67"]
Explanation
Calculation:
The P/F ratio is calculated as:
P/Fratio= PaO₂÷ FiO₂
P/Fratio = 82÷0.60
=136.67
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