A patient has been diagnosed with heart failure and cardiac output is decreased. Which formula can the nurse use to calculate cardiac output?
Ventricular filling time/diastolic filling time
Stroke volume x heart rate
Myocardial contractility x myocardial blood flow
Preload/afterload
The Correct Answer is B
A. Ventricular filling time and diastolic filling time are not formulas used to calculate cardiac output; they pertain to the phases of the cardiac cycle.
B. Cardiac output is calculated by multiplying stroke volume (the amount of blood ejected by the heart with each beat) by heart rate (the number of beats per minute). This formula accurately reflects the overall volume of blood the heart pumps in one minute.
C. Myocardial contractility and myocardial blood flow are important factors in cardiac function but do not directly provide a formula for calculating cardiac output.
D. Preload and afterload are factors that affect stroke volume but are not used to calculate cardiac output directly.
Free Nursing Test Bank
- Free Pharmacology Quiz 1
- Free Medical-Surgical Quiz 2
- Free Fundamentals Quiz 3
- Free Maternal-Newborn Quiz 4
- Free Anatomy and Physiology Quiz 5
- Free Obstetrics and Pediatrics Quiz 6
- Free Fluid and Electrolytes Quiz 7
- Free Community Health Quiz 8
- Free Promoting Health across the Lifespan Quiz 9
- Free Multidimensional Care Quiz 10
View Related questions
Correct Answer is D
Explanation
A. Assuming that both have the same spiritual beliefs can lead to misunderstandings; individual beliefs can vary significantly even within the same affiliation.
B. Skipping the spiritual belief assessment is inappropriate as it is essential to understand the patient's unique beliefs and values to provide holistic care.
C. While a formal assessment tool can be helpful, it is not mandatory; what’s most important is engaging in a dialogue about the patient’s beliefs rather than strictly following a formal method.
D. It is crucial for the nurse to respect the patient's unique spiritual beliefs and not impose personal values, making this the most appropriate action to support the patient spiritually.
Correct Answer is B
Explanation
A. The definition of spirituality does not typically include concepts of fire or giving life; this option does not accurately capture the essence of spirituality.
B. Awareness of one's inner self encompasses the essence of spirituality, focusing on personal beliefs, values, and the search for meaning, which is widely recognized in health care.
C. Spirituality is often considered equally essential to physical needs, especially in holistic approaches to health and well-being, making this statement misleading.
D. Spirituality can have a significant impact on health, influencing coping mechanisms and overall well-being; therefore, labeling it as having a minor effect is not accurate.