Exam 2023 Questions and Answers with
Rationales
IV Therapy Basics and Concepts
1. What is the primary goal of intravenous (IV) therapy?
o a. Cure diseases
o b. Maintain patient comfort
o c. Deliver fluids, medications, or nutrients directly into the
bloodstream
o d. Reduce blood pressure
Rationale: IV therapy provides a direct route for medication or fluid
administration.
2. What type of solution has the same osmolarity as body fluids?
o a. Hypertonic
o b. Hypotonic
o c. Isotonic
, o d. Colloid
Rationale: Isotonic solutions (e.g., 0.9% NaCl) do not cause fluid
shifts.
3. Which of the following is an example of a hypotonic solution?
o a. 0.9% Sodium chloride
o b. 0.45% Sodium chloride
o c. D5W
o d. Lactated Ringer’s
Rationale: Hypotonic solutions draw water into cells, often used for
cellular dehydration.
4. Which vein is most commonly used for starting a peripheral IV in adults?
o a. Femoral
o b. Cephalic
o c. Jugular
o d. Basilic
Rationale: The cephalic and basilic veins in the forearm or hand are
common access sites.
5. What is the appropriate angle for inserting an IV catheter?
o a. 10–15 degrees
o b. 30–45 degrees
o c. 10–30 degrees
, o d. 45–60 degrees
Rationale: A shallow angle ensures correct vein access and reduces
trauma.
6. A macrodrip set delivers how many drops per mL?
o a. 10–20
o b. 10–20
o c. 60
o d. 5
7. Which item is used to regulate the IV infusion manually?
o a. Pressure cuff
o b. Volume pump
o c. Roller clamp
o d. Heparin lock
8. Which fluid would you use to replace extracellular fluid losses?
o a. 3% NaCl
o b. D5W
o c. Lactated Ringer’s
o d. Albumin
9. Why should D5W not be used in patients with increased intracranial
pressure?
o a. It increases sodium