Nursing Elites

1. A patient is starting on a statin medication for hyperlipidemia. What critical instruction should the nurse provide?

• A. Take the medication at night to reduce the risk of muscle pain and other side effects.
• B. Take the medication in the morning with breakfast to improve absorption.
• C. Avoid alcohol consumption while taking this medication to reduce the risk of liver damage.
• D. Take the medication with a high-fat meal to increase its effectiveness.

Correct answer: A

Rationale: The correct answer is A. Statins like atorvastatin should be taken at night to reduce the risk of muscle pain and other side effects. Taking the medication with a high-fat meal (choice D) is not recommended as it can decrease the effectiveness of the medication. Alcohol consumption (choice C) should be moderated but does not need to be completely avoided unless contraindicated. Taking the medication with breakfast (choice B) may not be as effective as taking it at night due to the circadian rhythm of cholesterol synthesis.

2. Which of the following describes the etiology of a cerebrovascular accident (CVA)?

• A. A blow to the head from a hard object
• B. Lack of blood flow to part of the brain
• C. Excessive exercise, such as running
• D. A ruptured artery in the heart

Correct answer: B

Rationale: The correct answer is B. A cerebrovascular accident (CVA), or stroke, is often caused by a lack of blood flow to part of the brain. This leads to damage in the brain tissue due to the deprived oxygen and nutrients. Choices A, C, and D are incorrect. A blow to the head from a hard object can cause a traumatic brain injury but is not the etiology of a CVA. Excessive exercise like running does not typically lead to a stroke. A ruptured artery in the heart may result in a heart attack, not a cerebrovascular accident.

3. A 10-year-old male is stung by a bee while playing in the yard. He begins itching and develops pain, swelling, redness, and respiratory difficulties. He is suffering from:

• A. Immunodeficiency
• B. Autoimmunity
• C. Anaphylaxis
• D. Tissue-specific hypersensitivity

Correct answer: C

Rationale: The correct answer is C: Anaphylaxis. Anaphylaxis is a severe, immediate allergic reaction mediated by IgE. In this scenario, the symptoms of itching, pain, swelling, redness, and respiratory difficulties following a bee sting are indicative of anaphylaxis. Choice A, Immunodeficiency, refers to a weakened immune system's inability to protect the body from infections and diseases, which is not the case here. Choice B, Autoimmunity, involves the immune system attacking healthy cells and tissues by mistake, which is not the mechanism at play in anaphylaxis. Choice D, Tissue-specific hypersensitivity, does not accurately describe the immediate, systemic reaction seen in anaphylaxis.

4. Which of the following wounds is most likely to heal by secondary intention?

• A. A finger laceration received while cutting onions
• B. A stage IV pressure ulcer that developed in a nursing home
• C. A needlestick injury received while administering parenteral medication
• D. An incision from an open appendectomy

Correct answer: B

Rationale: A stage IV pressure ulcer is a deep wound involving tissue loss that typically heals by secondary intention. This process involves the wound healing from the bottom up with granulation tissue and often results in significant scarring. Choice A, a finger laceration, would generally heal by primary intention due to its clean edges and minimal tissue loss. Choice C, a needlestick injury, is likely to be sutured and heal by primary intention since it is a small, clean wound. Choice D, an incision from an open appendectomy, is usually closed with sutures and heals by primary intention as well.

5. What is the main function of the mitochondria in a cell?

• A. To produce energy in the form of ATP
• B. To synthesize proteins
• C. To store genetic information
• D. To regulate cell growth

Correct answer: A

Rationale: The correct answer is A: To produce energy in the form of ATP. Mitochondria are known as the powerhouse of the cell because they are responsible for producing energy in the form of ATP through a process called cellular respiration. This energy is essential for various cellular activities. Choice B is incorrect because protein synthesis primarily occurs in the ribosomes. Choice C is incorrect as the genetic information is stored in the cell's nucleus. Choice D is incorrect as the regulation of cell growth involves various other organelles and processes within the cell.

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