Nursing Elites

1. Why is a pulse oximeter attached to Mr. Dizon's finger?

• A. To determine if the patient's hemoglobin level is low and if he requires a blood transfusion
• B. To check the level of the patient's tissue perfusion
• C. To measure the effectiveness of the patient's anti-hypertensive medications
• D. To detect oxygen saturation of arterial blood before symptoms of hypoxemia develop

Correct answer: D

Rationale: A pulse oximeter is used to detect the oxygen saturation levels in arterial blood before the onset of hypoxemia symptoms. This device provides essential information about the effectiveness of oxygen transportation to the body's tissues. Choice A is incorrect because a pulse oximeter does not directly measure hemoglobin levels nor determine the need for a blood transfusion. Choice B is incorrect because a pulse oximeter is designed specifically to assess oxygen saturation, not tissue perfusion. Choice C is incorrect because a pulse oximeter is not used to measure the efficacy of anti-hypertensive medications, but rather to monitor oxygen levels in the blood.

2. The two members of the health care team who work closely to monitor drug-nutrient interactions are the:

• A. physician and nurse
• B. physician and pharmacist
• C. nurse and clinical dietitian
• D. clinical dietitian and pharmacist

Correct answer: D

Rationale: The correct answer is D: clinical dietitian and pharmacist. Clinical dietitians and pharmacists work closely together to monitor and manage drug-nutrient interactions. While physicians and nurses play essential roles in patient care, they are not typically the primary professionals involved in monitoring drug-nutrient interactions. Therefore, choices A, B, and C are incorrect.

3. According to the DASH Eating Plan, Carmen's daily sodium intake should not exceed how many milligrams to ensure the plan's effectiveness?

• A. 1000 milligrams
• B. 2500 milligrams
• C. 3000 milligrams
• D. 1500 milligrams

Correct answer: D

Rationale: The DASH Eating Plan is designed to lower blood pressure and is most effective when daily sodium intake is limited to 1500 milligrams or less. Therefore, choice D is the correct answer. Choices A (1000 milligrams), B (2500 milligrams), and C (3000 milligrams) are incorrect because they either fall below or exceed the recommended daily sodium intake for the DASH Eating Plan.

4. A nurse is instructing a group of clients about nutrition. The nurse should include that which of the following is a trigger for the formation of vitamin D in the body?

• A. Calcium
• B. Vitamin A depletion
• C. Exposure to sunlight
• D. Weight-bearing exercise

Correct answer: C

Rationale: Exposure to sunlight is the trigger for the formation of vitamin D in the body. When the skin is exposed to sunlight, it produces vitamin D. This process is essential for maintaining healthy levels of vitamin D in the body. Calcium (Choice A) is important for bone health but is not the trigger for vitamin D formation. Vitamin A depletion (Choice B) does not directly trigger the formation of vitamin D. Weight-bearing exercise (Choice D) is crucial for bone health but is not directly related to the formation of vitamin D.

5. What is the purpose of the cuff in a Tracheostomy tube?

• A. Separate the upper and lower airway
• B. Separate trachea from the esophagus
• C. Separate the larynx from the nasopharynx
• D. Secure the placement of the tube

Correct answer: B

Rationale: The purpose of the cuff in a Tracheostomy tube is to separate the trachea from the esophagus. The cuff helps prevent aspiration by creating a seal that separates the trachea from the esophagus, reducing the risk of food or fluids entering the lungs. Choices A, C, and D are incorrect because the cuff's primary function in a Tracheostomy tube is to prevent aspiration rather than separating the upper and lower airway, larynx from the nasopharynx, or securing the placement of the tube.

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