A staff education nurse is evaluating a group of nurses during a new employee orientation on the use of proper body mechanics when lifting. Which of the following images indicates the appropriate use of ergonomic principles?

A.

B.

C.

D.

None

Answer and Explanation

The Correct Answer is C

A. This is incorrect since the load should be held as close to the nurse's center of gravity (the pelvis) as possible.

B. This is incorrect since the back should remain straight or in its natural "S" curve throughout the lift. The power for the lift should come from the gluteal and femoral muscles, not the back.

C. This is correct since the nurse is squatting and bending at the knees, keeping the back straight. Bending at the knees and hips to engage stronger leg muscles rather than the lower back. The object should also be kept close to the torso, not held at arm’s length, shoulders aligned, no twisting of the trunk, and the eyes forward, head aligned with the spine.

D. This is incorrect since the feet placement should be a wide base of support, one foot slightly ahead of the other. The back alignment includes the spine kept straight, no twisting or bending at the waist. Knees should be bent to lower the body, rather than bending forward.

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Correct Answer is ["C","D","E","F","G"]

Explanation

Rationale for Correct Choices:

DTR 2+ bilaterally: The deep tendon reflexes improved from 1+ earlier (indicating possible magnesium toxicity) to 2+, which falls within the normal range of 1+ to 3+. This suggests better neuromuscular function and reduced magnesium side effects.
Urine output 40 mL/hr: Increased from a low 20 mL/hr at 1400 to 40 mL/hr at 1800, above the normal minimum urine output (>30 mL/hr). This reflects improved renal perfusion and fluid balance, crucial for preventing complications in preeclampsia.
Oxygen saturation 95% on 2 L nasal cannula: Oxygen saturation stabilized at 95%, which is the lower limit of normal (95–100%). Previously it was 92% on room air, indicating improved oxygenation with supplemental oxygen support.
Respiratory rate 18/min: Improved from shallow respirations at 14/min to 18/min, which falls within the normal adult range (12–20/min). This indicates better respiratory effort and gas exchange.
Blood pressure 146/96 mm Hg: Decreased from a hypertensive crisis level of 170/112 mm Hg at 1400 to 146/96 mm Hg, showing effective blood pressure management though still above the ideal (<120/80 mm Hg). This reduction lowers the risk of severe complications.

Rationale for Incorrect Choices:

Temperature 38.3° C (101° F): Elevated above the normal range (36.5–37.5° C), this fever suggests possible infection or inflammatory response and does not represent clinical improvement. It requires further evaluation and treatment.
Heart rate 58/min: Decreased from 80/min to 58/min, falling below the normal range of 60–100/min. This bradycardia may be a sign of magnesium toxicity or cardiovascular suppression and requires close monitoring.

A. “Use an indoor tanning bed instead of outside.” B. “Plan to spend time tanning between 10 am and 2 pm.” C. “Apply sunscreen before and after swimming.” D. “Use sunblock with an SPF of 10 when I am outdoors.”

Correct Answer is C

Explanation

A. “Use an indoor tanning bed instead of outside.”: Indoor tanning exposes the skin to concentrated ultraviolet radiation, which significantly increases the risk of developing skin cancer, including melanoma. It is not a safe alternative to outdoor sun exposure.
B. “Plan to spend time tanning between 10 am and 2 pm.”: This time frame represents peak UV radiation hours, and sun exposure should be minimized during this period to reduce the risk of skin damage and cancer.
C. “Apply sunscreen before and after swimming.”: Sunscreen should be applied 15–30 minutes before sun exposure and reapplied after swimming or sweating. Water can wash off sunblock, so reapplication helps maintain effective protection against UV rays.
D. “Use sunblock with an SPF of 10 when I am outdoors.”: An SPF of 10 provides minimal protection and is inadequate for preventing skin damage. A minimum SPF of 30 is recommended for effective protection against both UVA and UVB radiation.

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A staff education nurse is evaluating a group of nurses during a new employee orientation on the use of proper body mechanics when lifting. Which of the following images indicates the appropriate use of ergonomic principles? A. B. C. D.

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["C","D","E","F","G"]

Explanation

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Correct Answer is C

Explanation

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A staff education nurse is evaluating a group of nurses during a new employee orientation on the use of proper body mechanics when lifting. Which of the following images indicates the appropriate use of ergonomic principles?

A.

B.

C.

D.