Chapter 33 Nutritional Support Products, Vitamins


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Chapter 33  Nutritional Support Products, Vitamins



Complete chapter Questions And Answers

Sample Questions



1. A patient has suffered from several infections in the last 6 months and unexplained impaired wound healing. What assessment should the nurse prioritize?

  1. A)  Assess for pain.
  2. B)  Assess for nutritional deficiencies.
  3. C)  Assess genetic tendency for infection.
  4. D)  Assess for edema and decreased hemoglobin.

Ans: B
Nutritional deficiencies may impair the function of essentially every body function. Signs and symptoms include unintended weight loss, increased susceptibility to infection, and impaired wound healing. The development of infection and impaired wound healing would require assessment for pain but would not provide evidence of cause. The nurse would not be able to assess genetic tendency. Edema and decreased hemoglobin would not explain the etiology of suffering infections and impaired wound healing.

2. An adult patient is experiencing deficiencies in folic acid and vitamin B12. This patient’s compromised health status creates a risk for which of the following?

  1. A)  Hyperuricemia
  2. B)  Hepatitis
  3. C)  Non-Hodgkin’s lymphoma
  4. D)  Megaloblastic anemia

Ans: D Feedback:

Deficiency states of both vitamin B12 and folic acid present similarly as megaloblastic anemia (characterized by abnormally large, immature red blood cells). These deficiencies do not contribute to hyperuricemia, hepatitis, or lymphoma.

3. An elderly patient’s compromised nutritional status has necessitated the use of a nutritional formula. When reviewing this patient’s laboratory findings, the nurse should prioritize which of the following values?

  1. A)  Erythrocyte sedimentation rate (ESR)
  2. B)  Serum albumin
  3. C)  GGT, AST, and ALT
  4. D)  Blood urea nitrogen

Ans: B
For patients receiving nutritional formulas, the nurse observes for weight gain and increased serum albumin. In a patient with compromised nutrition, there is less emphasis placed on BUN, liver enzymes, and ESR.

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4. A patient with a history of atrial fibrillation has been brought to the emergency department (ED) by his wife after inadvertently taking 22 mg of warfarin rather than 2 mg, which is the patient’s prescribed daily dose. The ED nurse should anticipate the administration of

  1. A)  vitamin K.
  2. B)  vitamin B12.
  3. C)  vitamin A.
  4. D)  vitamin B1.

Ans: A
Vitamin K is used to reverse the effects of warfarin (Coumadin).

5. When providing nutritional teaching to adolescent girls, which aspect of teaching is most important?

  1. A)  Limit the amount of foods high in fiber.
  2. B)  Increase potassium chloride in the diet.
  3. C)  Calcium intake should be 1300 mg daily.
  4. D)  Increase sodium in the diet.

Ans: C Feedback:

Adolescent females should consume 1000 to 1300 mg of calcium per day. Adolescent females should not limit fiber or increase potassium chloride or sodium in the diet.

6. A patient is admitted to the hospital with hyperkalemia. The patient is prescribed sodium polystyrene sulfonate (Kayexalate). How does this medication lower the patient’s potassium level?

  1. A)  It decreases the absorption of exogenous potassium.
  2. B)  It increases urinary excretion of potassium.
  3. C)  It combines with potassium ions for elimination.
  4. D)  It releases sodium to acidify urine with potassium.

Ans: C
Sodium polystyrene sulfonate (Kayexalate), a cation exchange resin, administered orally, removes potassium from the body in the stool. Kayexalate does not decrease the absorption of potassium. Kayexalate does not increase urinary excretion of potassium. Kayexalate does not release sodium to acidify urine with potassium.

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