hypokalemia is reflected in the ecg by which of the following
Logo

Nursing Elites

ATI RN

ATI Nutrition Practice Test A 2019

1. Which of the following is reflected in an ECG due to hypokalemia?

Correct answer: B

Rationale: Hypokalemia, a condition characterized by low levels of potassium in the blood, is reflected in an ECG by a widening QRS Complex and a U wave. This is because potassium plays a key role in the electrical activity of the heart, and its deficiency can lead to abnormalities in the heart's rhythm as represented by these specific changes on the ECG. Choice A is incorrect as tall T waves and pathologic Q waves are more commonly associated with hyperkalemia or myocardial infarction, respectively, rather than hypokalemia. Choices C and D are also incorrect as they do not accurately reflect the ECG changes caused by hypokalemia.

2. What is the term for a condition where one or more members of a household, including children, consistently have little or no food due to lack of money?

Correct answer: D

Rationale: The correct answer is 'D: Food Insecurity'. This term specifically describes a situation where household members consistently have inadequate access to food due to financial constraints. 'Marginal Food Security' (Choice A) refers to a situation where the quality or variety of food is reduced, but there is no significant decrease in food intake. A 'Food Desert' (Choice B) is an area with limited access to affordable and nutritious food. 'Very Low Food Security' (Choice C) is a term used to describe a severe level of food insecurity where eating patterns of household members are disrupted and food intake is reduced.

3. The substance that is most supportive of bones and teeth is:

Correct answer: B

Rationale: Collagen is a key structural protein in bones and teeth, providing support and strength.

4. Which physiologic role does vitamin C play in the body?

Correct answer: C

Rationale: Vitamin C plays a crucial role in protecting the integrity of cellular membranes. It is essential for collagen synthesis, which is important for wound healing and maintaining skin, blood vessels, and other tissues. Choice A is incorrect as the transcription of DNA to RNA is facilitated by vitamin A. Choice B is incorrect as calcium absorption and regulation are functions of vitamin D. Choice D is incorrect as vitamin K serves as a catalyst for the synthesis of blood-clotting factors, not vitamin C.

5. You are caring for Conrad who has a brain tumor and increased Intracranial Pressure (ICP). Which intervention should you include in your plan to reduce ICP?

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.

Similar Questions

When counseling a teenager about fast food, a dental hygienist could correctly cite which of the following facts, with one exception. Which is the exception?
Symptoms of irritable bowel syndrome are most likely associated with disturbed defecation, bloating, and _____.
A client newly diagnosed with hypertension is receiving teaching about the Mediterranean diet from a nurse. Which of the following statements by the client indicates a need for further teaching?
As a nurse assigned for care for geriatric patients, you need to frequently assess your patient using the nursing process. Which of the following needs be considered with the highest priority?
Approximately 70 to 80 percent of acute pancreatitis cases are caused by gallstones or _____.

Access More Features

ATI RN Basic
$69.99/ 30 days

  • 5,000 Questions with answers
  • All ATI courses Coverage
  • 30 days access

ATI RN Premium
$149.99/ 90 days

  • 5,000 Questions with answers
  • All ATI courses Coverage
  • 30 days access

Other Courses