The nurse is evaluating the body alignment of a patient in the sitting position. Which observation by the nurse will indicate a normal finding?
The arms hang comfortably at the sides.
The edge of the seat is in contact with the popliteal space.
Both feet are supported on the floor with ankles flexed.
The body weight is directly on the buttocks only.
The Correct Answer is A
A. This observation indicates proper body alignment as the arms hanging comfortably at the sides suggest relaxation and good posture.
B. The edge of the seat should not be in contact with the popliteal space; there should be a small gap to prevent pressure and improve circulation.
C. While the feet should be supported on the floor, they should be flat rather than flexed at the ankles for optimal alignment.
D. The body weight should be distributed between the buttocks and thighs, not just on the buttocks, to promote comfort and good posture.
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Correct Answer is A
Explanation
A. Encouraging self-care helps promote independence and functional recovery in stroke patients, supporting rehabilitation and enhancing self-esteem.
B. Bed rest is not recommended as it can contribute to muscle deconditioning and complications associated with immobility.
C. While coordination with therapy is beneficial, gait training is typically handled by physical therapy rather than occupational therapy.
D. Providing a complete bed bath limits the patient’s autonomy; encouraging partial participation supports the patient's involvement in self-care.
Correct Answer is B
Explanation
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.