A nurse is preparing to lift a box of supplies in the supply room. Which of the following body mechanics should the nurse plan to use?

Standing with his feet close together when lifting

Keeping the box close to his body as he lifts it

Bending at the waist to pick up the box

Twisting to place the box to his side

Answer and Explanation

The Correct Answer is B

A.   Standing with feet close together reduces the base of support, making the nurse less stable and increasing the risk of losing balance or straining muscles. It is not recommended for lifting because it compromises stability and balance.
B.   Keeping the box close to the body reduces the leverage and strain on the back muscles. This technique utilizes the strength of the legs and core muscles more effectively and helps to maintain balance and stability while lifting.
C.   Bending at the waist puts excessive strain on the lower back muscles and can lead to back injury, especially when lifting heavy objects. The correct technique is to bend at the knees and hips while keeping the back straight to maintain proper alignment and reduce strain on the spine.
D.   Twisting while lifting or carrying heavy objects can strain the muscles and ligaments of the spine, leading to injury, particularly to the intervertebral discs. The nurse should avoid twisting and instead pivot the entire body with the feet to change direction.

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Correct Answer is A

Explanation

A. Skin tenting occurs when the skin loses its elasticity due to dehydration. When gently pinched, the skin may remain elevated and return to its normal position slowly. This finding is a classic sign of dehydration and indicates that the client has lost significant fluid volume.
B. Elevated blood pressure (BP) can sometimes be associated with dehydration, especially in acute cases or when there are underlying conditions like hypovolemia. However, it is not typically a primary indicator of dehydration. Hypotension (low blood pressure) is more commonly associated with severe dehydration.
C. Red mucous membranes may indicate various conditions, including dehydration. Dehydration can lead to dryness and mucosal irritation, resulting in redness. However, red mucous membranes alone are not specific enough to reliably indicate dehydration without considering other signs and symptoms.

D. Jugular vein distention (JVD) is associated with fluid overload rather than dehydration. It occurs when there is increased pressure in the venous system, often due to heart failure or fluid retention. JVD is not typically seen in dehydrated individuals.

A. Oral mucosa B. Eye lids C. Ear lobes D. Tip of the nose

Correct Answer is A

Explanation

A. The oral mucosa, especially the lips and tongue, is a reliable indicator of central cyanosis. Cyanosis is evident as bluish discoloration in these areas due to the presence of deoxygenated hemoglobin.
B. Cyanosis is less reliably visible on the eyelids compared to the lips and oral mucosa. Skin over the eyelids is typically thinner, but detection of cyanosis here can be more challenging due to variations in skin pigmentation and thickness.
C. Similar to the eyelids, cyanosis may be less evident on the ear lobes compared to the lips and oral mucosa. Ear lobes are less vascular and may not consistently show cyanosis unless the condition is severe.
D. The tip of the nose is another area where cyanosis can be detected, although it is less reliable than the lips and oral mucosa. Like the eyelids and ear lobes, the detection of cyanosis here can vary depending on individual skin characteristics.

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A nurse is preparing to lift a box of supplies in the supply room. Which of the following body mechanics should the nurse plan to use?

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