Nokea
Which of the following is a priority intervention for a patient with heart failure?
- A. Administering diuretics.
- B. Administering oxygen.
- C. Administering beta-blockers.
- D. Administering vasodilators.
Correct Answer: B
Rationale: Administering oxygen is a priority intervention in heart failure because it helps improve oxygenation, alleviate hypoxemia, and reduce the workload on the heart. Oxygen therapy is crucial in managing acute heart failure exacerbations. While diuretics (Choice A) are commonly used in heart failure to reduce fluid overload, administering oxygen takes precedence due to its immediate impact on oxygen delivery. Beta-blockers (Choice C) and vasodilators (Choice D) are also important in heart failure management, but in the acute setting, ensuring adequate oxygen supply is the priority.
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What is the primary nursing intervention for a patient experiencing an acute asthma attack?
- A. Administering bronchodilators.
- B. Administering antibiotics.
- C. Administering IV fluids.
- D. Administering corticosteroids.
Correct Answer: A
Rationale: The correct answer is administering bronchodilators. During an acute asthma attack, the primary goal is to relieve airway constriction and bronchospasm to improve breathing. Bronchodilators, such as short-acting beta-agonists, are the cornerstone of treatment as they help dilate the airways quickly. Administering antibiotics (choice B) is not indicated unless there is an underlying bacterial infection. Administering IV fluids (choice C) may be necessary in some cases, but it is not the primary intervention for an acute asthma attack. Administering corticosteroids (choice D) is often used as an adjunct therapy to reduce airway inflammation, but it is not the primary intervention during the acute phase of an asthma attack.
What do crackles heard on lung auscultation indicate?
- A. Cyanosis.
- B. Bronchospasm.
- C. Airway narrowing.
- D. Fluid-filled alveoli.
Correct Answer: D
Rationale: Crackles heard on lung auscultation are caused by the popping open of small airways that are filled with fluid. This is commonly associated with conditions such as pulmonary edema, pneumonia, or heart failure. Cyanosis (Choice A) is a bluish discoloration of the skin and mucous membranes due to low oxygen levels in the blood, not directly related to crackles. Bronchospasm (Choice B) refers to the constriction of the airway smooth muscle, causing difficulty in breathing but does not typically produce crackles. Airway narrowing (Choice C) can lead to wheezing but is not directly linked to crackles heard on auscultation.
The client is receiving teletherapy radiation for a malignant tumor. Which instruction regarding skin care of the portal site should the nurse provide?
- A. Protect the skin of the radiation portal site from sunlight exposure
- B. Apply moisturizing lotions daily to the radiation portal site
- C. Avoid washing the skin inside the radiation portal site
- D. Remove the ink marks of the portal after each radiation treatment
Correct Answer: A
Rationale: Protecting the skin from sunlight exposure is crucial to prevent radiation burns and additional skin damage at the treatment site. Sun exposure can exacerbate skin reactions caused by radiation therapy. Applying moisturizing lotions daily may introduce foreign substances or irritants to the treated area, leading to potential complications. Washing the skin inside the radiation portal site is important for maintaining cleanliness and preventing infections. Removing the ink marks after each treatment is unnecessary and may cause unnecessary skin irritation and trauma.
Which of the following lipid abnormalities is a risk factor for the development of atherosclerosis and peripheral vascular disease?
- A. Low concentration of triglycerides.
- B. High levels of high-density lipoprotein (HDL) cholesterol.
- C. High levels of low-density lipoprotein (LDL) cholesterol.
- D. Low levels of LDL cholesterol.
Correct Answer: C
Rationale: The correct answer is C: High levels of low-density lipoprotein (LDL) cholesterol. High levels of LDL cholesterol contribute to the development of atherosclerosis and peripheral vascular disease by being deposited in the blood vessel walls, leading to the formation of plaques that can obstruct blood flow. Choice A is incorrect as a low concentration of triglycerides is not typically associated with an increased risk of atherosclerosis or PVD. Choice B is incorrect as high levels of high-density lipoprotein (HDL) cholesterol are actually considered protective against atherosclerosis as it helps remove cholesterol from arteries. Choice D is incorrect as low levels of LDL cholesterol are not typically considered a risk factor for atherosclerosis or PVD.
Which of the following conditions is most commonly associated with a high risk of stroke?
- A. Hypertension.
- B. Diabetes.
- C. Obesity.
- D. Smoking.
Correct Answer: A
Rationale: Hypertension is the correct answer. Hypertension, also known as high blood pressure, is a major risk factor for stroke because it puts increased pressure on blood vessels in the brain, making them more prone to damage and increasing the likelihood of a stroke. While diabetes, obesity, and smoking are also risk factors for stroke, hypertension is the most commonly associated condition with a high risk of stroke due to its direct impact on the blood vessels.