Nursing Elites

1. Risk factors that have been shown to contribute to age-related macular degeneration include _____.

• A. oxidative stress from sunlight
• B. iron-deficiency anemia
• C. decreased intake of phytochemicals
• D. vitamin B6 malabsorption

Correct answer: A

Rationale: The correct answer is A: oxidative stress from sunlight. Oxidative stress caused by exposure to sunlight is a significant risk factor for age-related macular degeneration. This condition can result in vision loss among older individuals. Choices B, C, and D are incorrect. Iron-deficiency anemia, decreased intake of phytochemicals, and vitamin B6 malabsorption are not established risk factors for age-related macular degeneration.

2. Which of the four phases of emergency management is defined as 'sustained action that reduces or eliminates long-term risk to people and property from natural hazards and their effects'?

• A. Recovery
• B. Mitigation
• C. Response
• D. Preparedness

Correct answer: B

Rationale: The correct answer is B, 'Mitigation.' Mitigation is the phase of emergency management that focuses on sustained actions aimed at reducing or eliminating long-term risks to people and property from natural hazards. Recovery (A) involves restoring and rebuilding infrastructure, housing, and services after a disaster. Response (C) deals with immediate actions taken to save lives and prevent further damage during a disaster. Preparedness (D) involves planning, training, and equipping organizations and communities to effectively respond to emergencies.

3. Each statement regarding the correlation between vitamin D and sun exposure is accurate, except one. Which is the exception?

• A. The body can produce sufficient amounts of vitamin D from sunlight.
• B. UV radiation can convert a precursor of vitamin D to vitamin D3 by penetrating uncovered skin.
• C. Sunscreen blocks the formation of vitamin D3.
• D. By the age of 70 years, the skin generally produces vitamin D at only half the level it did at the age of 20 years.

Correct answer: C

Rationale: While UV radiation can penetrate uncovered skin and convert a precursor of vitamin D to vitamin D3, sunscreen does block the formation of vitamin D3. Sunscreen is recommended by dermatologists to prevent sunburn and reduce the risk of skin cancer. The other choices are correct: the body can produce sufficient vitamin D from sunlight, UV radiation can convert a precursor of vitamin D to vitamin D3, and skin generally produces less vitamin D as a person ages.

4. In the hospital, when you need the medical record of a discharged patient for research you will request permission through:

• A. Doctor in charge
• B. The hospital director
• C. The nursing service
• D. Medical records section

Correct answer: C

Rationale: Effective nursing care involves comprehensive assessments that address all aspects of a patient's condition, ensuring that interventions are appropriately targeted and outcomes are optimized.

5. Which of the following actions would be of highest priority with regards to the external shunt?

• A. Avoid taking blood pressure or blood sample from the arm with the shunt
• B. Instruct the patient not to exercise the arm with the shunt
• C. Heparinize the shunt daily
• D. Change the dressing of the shunt daily

Correct answer: C

Rationale: Heparinizing the shunt daily (choice C) is the highest priority action as it prevents the formation of blood clots that can occlude the shunt, leading to potential complications such as thrombosis. Avoiding taking blood pressure or blood samples from the arm with the shunt (choice A) is also important, but secondary to heparinizing the shunt. Similarly, instructing the patient not to exercise the arm with the shunt (choice B) can help prevent unnecessary strain on the shunt, but it is not as critical as preventing clot formation. Changing the dressing of the shunt daily (choice D) is a standard nursing care practice to prevent infection, but again, it is not as critical as ensuring the shunt remains patent through daily heparinization.

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