Nokea
A nurse is assisting with teaching a class about minerals. Which of the following minerals is needed for transport of oxygen?
- A. Phosphorus
- B. Iron
- C. Magnesium
- D. Potassium
Correct Answer: B
Rationale: Iron in hemoglobin binds oxygen for transport in the blood.
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A nurse is assisting with teaching a client who is on a low potassium diet. Which of the following instructions should the nurse include?
- A. Choose orange juice instead of apple juice.
- B. Replace sugar with molasses when baking.
- C. Eat granola for breakfast.
- D. Avoid using salt substitutes when cooking.
Correct Answer: D
Rationale: Salt substitutes contain potassium chloride, increasing potassium intake, which should be avoided.
A nurse is collecting data on a client. Which of the following findings increase the client's risk of a pressure injury?
- A. BMI of 20
- B. Peripheral neuropathy
- C. Immobility
- D. Hypoperfusion
- E. Prealbumin level of 16 mg/dL
Correct Answer: B,C,D,E
Rationale: B: Neuropathy reduces sensation. C: Immobility causes prolonged pressure. D: Hypoperfusion impairs tissue oxygenation. E: Low prealbumin indicates poor nutrition.
A charge nurse in a long-term care facility will be implementing a new protocol to meet the Joint Commission's National Safety Goal of preventing health care-associated pressure ulcers. When informing the staff nurses about the new standard, the nurse should emphasize that which of the following actions is the priority?
- A. Identify the clients at greatest risk for development of pressure ulcers.
- B. Use a barrier cream when performing perineal care.
- C. Turn and position each client every 2 hr.
- D. Supervise clients to ensure adequate nutritional intake.
Correct Answer: A
Rationale: Identifying at-risk clients prioritizes preventive efforts for pressure ulcer management.
A nurse is administering an enteral feeding through a client's NG tube. Which of the following actions should the nurse take?
- A. Withhold the feeding if the residual volume is 150 mL
- B. Flush the tube with 30 mL of sterile water before the feeding
- C. Cleanse the top of the can of formula with an alcohol wipe
- D. Keep the formula cold until instillation
Correct Answer: B
Rationale: Flushing with 30 mL of sterile water ensures tube patency and prevents clogging before feeding.
A nurse is reinforcing teaching about the manifestations of hyperglycemia with a client who has diabetes mellitus. Which of the following statements by the client indicates an understanding of the teaching?
- A. My breath may have a fruity odor.
- B. I will be more thirsty than usual.
- C. My appetite will be decreased.
- D. I might experience blurry vision at times.
Correct Answer: B
Rationale: Increased thirst (polydipsia) is a classic hyperglycemia symptom due to dehydration from glucose excretion.