ATI LPN
Study Guide for Fundamentals of Nursing Care: Concepts, Connections & Skills
Chapter 25 : Diagnostic Tests Questions
Question 1 of 5
Before performance of a computed tomography (CT) scan, it is vital to assess which of the following?
Correct Answer: B,C
Rationale: CT scans often use iodine-based contrast dyes, and allergies to iodine or shellfish (which may indicate iodine sensitivity) must be assessed to prevent adverse reactions.
Question 2 of 5
Before having CT dye, you should also assess for which of the following?
Correct Answer: D
Rationale: Impaired renal function must be assessed before administering CT contrast dye, as it is excreted by the kidneys and can cause kidney damage in patients with pre-existing renal issues.
Question 3 of 5
Which of the following components should not be present in normal urinalysis results?
Correct Answer: A,B,D,E,F
Rationale: Normal urinalysis should not contain glucose, protein, significant red blood cells (RBCs), ketones, or bilirubin, as these indicate potential abnormalities such as diabetes, kidney disease, or infection. 0 to 5 white blood cells (WBCs) are considered normal.
Question 4 of 5
The bilirubin level is used to evaluate the function of the
Correct Answer: B
Rationale: Bilirubin is a byproduct of red blood cell breakdown processed by the liver. Elevated levels may indicate liver dysfunction or obstruction.
Question 5 of 5
Before performance of a computed tomography (CT) scan, it is vital to assess which of the following?
Correct Answer: B,C
Rationale: CT scans often use iodine-based contrast dyes, and allergies to iodine or shellfish (which may indicate iodine sensitivity) must be assessed to prevent adverse reactions.