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A nurse is preparing to administer the hepatitis B vaccine to a client. Which of the following techniques should the nurse use to locate the deltoid muscle?

Locate the middle third of the anterior thigh between the greater trochanter of the femur and the lateral femoral condyle.

Place one finger across the acromion process and measure 3 fingerbreadths below to the midpoint and center of the lateral aspect of the upper arm.

Find the center of the anterior aspect of the thigh.

Locate the center of the arm between the elbow and the shoulder.

Answer and Explanation

The Correct Answer is B

B. This method is recommended because the deltoid muscle is a large, rounded, triangular muscle that covers the shoulder joint.

A. This description is for locating the vastus lateralis muscle, which is commonly used for intramuscular injections in infants and young children, not adults.

C. This technique is used for locating the rectus femoris muscle, another site for intramuscular injections in infants and young children, not adults.

D. This location is too low, which could miss the muscle tissue and reduce the effectiveness of the vaccine.

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Correct Answer is D

Explanation

D. Muscle weakness is a hallmark sign of hypokalemia. Potassium is crucial for proper muscle contraction, and low levels can impair muscle function. This weakness can affect skeletal muscles (resulting in fatigue, cramps, or generalized weakness) as well as smooth muscles (contributing to constipation or other gastrointestinal symptoms).

A. Hypokalemia is not typically associated with hyperactive bowel sounds.

B. Cerebral edema is not typically associated with hypokalemia. Instead, cerebral edema can occur with conditions such as hyponatremia (low sodium levels) or other metabolic disturbances.

C. Hypokalemia is more commonly associated with hypotension (low blood pressure) rather than hypertension. Low potassium levels can affect vascular smooth muscle tone, potentially leading to vasodilation and hypotension.

A. Hypercalcemia B. Hyperkalemia C. Hypokalemia D. Hyponatremia

Correct Answer is B

Explanation

B. It occurs when there is an abnormally high concentration of potassium in the bloodstream, typically above 5.0 mEq/L. Symptoms of hyperkalemia can include chest pain, palpitations, muscle weakness, and potentially life-threatening cardiac arrhythmias.

A. Hypercalcemia refers to elevated levels of calcium in the blood, not potassium.

C. Hypokalemia is the opposite condition where there is a lower-than-normal level of potassium in the blood.

D Hyponatremia refers to a low sodium level in the blood.

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A nurse is preparing to administer the hepatitis B vaccine to a client. Which of the following techniques should the nurse use to locate the deltoid muscle?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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