Which term describes the difference between the systolic and diastolic readings?
Blood pressure
Pulse pressure
Cardiac output
Heart rate
The Correct Answer is B
A. Blood pressure: Blood pressure refers to the overall measurement of force exerted by circulating blood on the walls of arteries, typically recorded as systolic over diastolic pressure. It does not specifically describe the difference between these two values.
B. Pulse pressure: Pulse pressure is calculated as the difference between the systolic and diastolic blood pressure readings. It reflects the force generated by the heart with each contraction and provides information about arterial compliance and cardiac function.
C. Cardiac output: Cardiac output is the volume of blood the heart pumps per minute, determined by heart rate and stroke volume. It does not directly describe the numerical difference between systolic and diastolic pressures.
D. Heart rate: Heart rate is the number of heartbeats per minute and is unrelated to the difference between systolic and diastolic blood pressure. It measures cardiac rhythm, not pressure variance.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C"]
Explanation
A. Sudden decrease in consciousness: An acute change in mental status may indicate hypoxia, infection, neurological injury, or other life-threatening conditions. Prompt evaluation and intervention are required.
B. Temperature of 102.1 F (38.9 C): Fever indicates a possible infection or inflammatory process, which requires further assessment and monitoring. High temperature may signal systemic involvement.
C. Pulse oximetry of 88% on room air: Oxygen saturation below 90% reflects hypoxemia and impaired gas exchange. This is an immediate concern and may require supplemental oxygen or urgent intervention.
D. Blood pressure 114/66 mmHg: This blood pressure reading is within normal limits for most adults and does not indicate immediate concern.
E. Respiratory rate of 12 per minute: A respiratory rate of 12 breaths per minute is within the normal adult range (12–20) and does not suggest respiratory compromise.
Correct Answer is D
Explanation
A. "The gait belt should be placed around the client's chest.": The gait belt should be positioned around the client’s waist, not the chest, to provide safe leverage and prevent injury. Placement over the chest can restrict breathing and increase the risk of falls or injury.
B. "The use of the gait belt still requires significant back strength.": Proper use of a gait belt allows the caregiver to assist the client safely without relying on excessive back strength. Emphasizing leverage and body mechanics reduces caregiver strain, so significant back strength is not required.
C. "The gait belt should remain on the client throughout the day.": The gait belt is intended for use only during transfers or ambulation. Leaving it on continuously can cause skin irritation and is unnecessary when the client is stationary.
D. "The gait belt should be placed over appropriate clothing.": Placing the gait belt over clothing provides comfort, prevents skin injury, and ensures a secure grip during ambulation. This statement reflects proper understanding of safe gait belt use.
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