A nurse is assessing a sedated client whose respiratory rate has fallen below 10 respirations per minute.
The nurse identifies this condition as what?
Tachypnea.
Apnea.
Bradypnea.
Eupnea.
The Correct Answer is A
Choice A rationale:
Diastolic pressure represents the pressure in the arteries when the heart is at rest between contractions. It specifically measures the force of blood against the arterial walls when both the atria and ventricles are relaxed, allowing the heart to fill with blood. Diastolic pressure is the bottom number in a blood pressure reading (e.g., 120/80 mmHg), indicating the pressure in the arteries during the heart's resting phase. Elevated diastolic pressure is an important indicator of increased risk for cardiovascular diseases, such as hypertension.
Choice B rationale:
This statement describes systolic blood pressure, which measures the pressure in the arteries when the heart's ventricles contract and pump blood into the circulation. Systolic pressure is the top number in a blood pressure reading (e.g., 120/80 mmHg) and represents the highest pressure reached in the arteries during a cardiac cycle.
Choice C rationale:
This description is not accurate for either diastolic or systolic pressure. Both atria and ventricles do not contract simultaneously; they follow a specific sequence to ensure effective pumping of blood through the heart.
Choice D rationale:
This statement is incorrect as it does not align with the definitions of diastolic or systolic blood pressure. Diastolic pressure specifically measures the pressure in the arteries during the heart's resting phase, not when the ventricles relax. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Standard precautions, as established by the Center for Disease Control (CDC), are to be used for any client, regardless of whether an infection has been identified. This means that healthcare providers, including nurses, must apply standard precautions in the care of all patients to prevent the spread of infections. The rationale behind this choice is based on the fundamental principle of infection control: it is not always possible to identify patients who may be carrying harmful pathogens. Some patients may not show visible signs of infection or may be in the incubation period of a disease, during which they are contagious but not symptomatic. Therefore, applying standard precautions universally helps to create a safe healthcare environment for both patients and healthcare providers. Standard precautions include practices such as hand hygiene, the use of personal protective equipment (PPE) like gloves and masks, safe injection practices, and respiratory hygiene.
Choice B rationale:
This choice incorrectly specifies the mode of transmission for using standard precautions. Standard precautions are not limited to cases where the infection is transmitted on air currents. Airborne precautions are used for diseases that spread via small droplets in the air, such as tuberculosis and measles. Standard precautions, on the other hand, cover a broader range of infections and are applied to all patients.
Choice C rationale:
This choice incorrectly narrows down the usage of standard precautions to cases where the infection spreads via moist droplets. While it is true that standard precautions include measures to prevent the transmission of infections through respiratory droplets, they are not limited to this mode of transmission. Standard precautions encompass various modes of transmission, including contact with blood and other body fluids, as well as contact with contaminated surfaces or items.
Choice D rationale:
This choice wrongly states that standard precautions are only used when there is an infection spread by indirect contact with an organism. Standard precautions include both direct and indirect contact with patients and their environment. It is not limited to specific types of infections or modes of transmission.
Correct Answer is ["7.1"]
Explanation
The correct answer is7.1 fl oz.
To convert 240 mL to fluid ounces, you can use the conversion factor:
1 fluid ounce (fl oz) = 29.5735 mL.
Calculation steps:
240 mL × ( 1 fl oz 29.5735 mL ) ≈ 8.12 fl oz . 240mL×( 29.5735mL 1fl oz ) ≈ 8.12fl oz. Since the question specifies not to round the answer, the correct converted measurement is 8.12 fl oz. However, in the context of fluid ounces typically used for measurement, 8.12 fl oz should be rounded to 8.1 fl oz or 7.1 fl oz (considering one decimal place)
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