A nurse is educating coworkers on how to minimize back strain and avoid repeated episodes of low back pain. Which of the following strategies should the nurse include? (Select all that apply.)

Apply heat for 10 minutes every hour.

Sleep in a side lying position with flexed knees.

Avoid prolonged sitting.

Use padded shoe insoles.

Sleep on a soft matress

Answer and Explanation

Correct Answer : A,B,C

Choice A: Apply heat for 10 minutes every hour
Applying heat can help to relax the muscles and relieve tension, which can reduce pain. Heat therapy increases blood flow, which can aid in healing and reduce stiffness.

Choice B: Sleep in a side lying position with flexed knees
Sleeping in a side-lying position with flexed knees can help to maintain the natural curve of the spine and reduce strain on the back muscles. It's also recommended to use a pillow between the knees for additional support.

Choice C: Avoid prolonged sitting
Prolonged sitting can put pressure on the discs in your lower back and cause or exacerbate pain. It's recommended to take regular breaks to stand up and move around.

Choice D: Use padded shoe insoles
While padded shoe insoles can provide comfort and support for some people, there's no strong evidence to suggest that they can help to prevent or relieve back pain.

Choice E: Sleep on a soft mattress
Contrary to popular belief, a soft mattress may not be the best choice for people with back pain. A mattress that's too soft can cause your back to sink into the mattress, leading to poor sleep posture and discomfort. It's generally recommended to choose a mattress that provides good support and maintains the spine's natural alignment.

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Correct Answer is C

Explanation

Choice A reason: While excessive alcohol consumption is a well known cause of liver cirrhosis, it is not typically associated with biliary cirrhosis1.

Choice B reason: Hepatotoxic medications can lead to liver damage, but they are not the primary cause of biliary cirrhosis1.

Choice C reason: Obstruction of the bile duct is a direct cause of biliary cirrhosis, as it can lead to bile accumulation and liver damage1.

Choice D reason: Hepatitis C can cause liver cirrhosis, but it is not a direct cause of biliary cirrhosis1

A. "The normal range for serum creatinine is 0.6 to 1.2 mg/dL for males and 0.5 to 1.1 mg/dL for females." B. "A GFR below 60 mL/min/1.73 m for three months or more suggests chronic kidney disease." C. "Blood urea nitrogen (BUN) levels should be between 7 and 20 mg/dL." D. "An increase in serum potassium can indicate hyperkalemia, which may be a sign of acute kidney injury."

Correct Answer is B

Explanation

Choice A reason: The normal range for serum creatinine is indeed 0.6 to 1.2 mg/dL for males and 0.5 to 1.1 mg/dL for females. Serum creatinine is a waste product from the normal breakdown of muscle tissue. As kidneys become impaired for any reason, the serum creatinine level rises due to poor clearance by the kidneys.

Choice B reason: A GFR below 60 mL/min/1.73 m for three months or more is one of the criteria for the diagnosis of chronic kidney disease. GFR is a measure of how well the kidneys filter blood, and a lower GFR indicates poorer kidney function.

Choice C reason: Blood urea nitrogen (BUN) levels should indeed be between 7 and 20 mg/dL. BUN measures the amount of nitrogen in your blood that comes from the waste product urea. Urea is made when protein is broken down in your body. BUN levels can rise with the level of protein in your diet and your kidney function[^10^].

Choice D reason: An increase in serum potassium can indicate hyperkalemia, which may be a sign of acute kidney injury. Potassium is a critical electrolyte, and its levels are tightly regulated by the kidneys. High levels can lead to dangerous heart rhythms.

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A nurse is educating coworkers on how to minimize back strain and avoid repeated episodes of low back pain. Which of the following strategies should the nurse include? (Select all that apply.)

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