Nokea
Which of the following strengths of heparin could you use for flushing a PRN lock?
- A. 1,000 units/mL
- B. 10 units/mL
- C. 5,000 units/mL
- D. 10,000 units/mL
- E. 100 units/mL
Correct Answer: B,E
Rationale: Heparin for flushing PRN locks is typically 10 or 100 units/mL to prevent clotting without causing systemic anticoagulation.
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Which veins are used during central line placement?
- A. Brachial vein
- B. Cephalic vein
- C. Jugular vein
- D. Femoral vein
- E. Subclavian vein
- F. Basilic vein
Correct Answer: C,D,E
Rationale: Central lines are placed in larger veins like the jugular, femoral, or subclavian veins for central venous access.
What are the four IV tubing drop factors (drops equals 1 mL)?
- A. 10
- B. 15
- C. 35
- D. 20
- E. 60
- F. 5
- G. 50
Correct Answer: A,B,D,E
Rationale: Common IV tubing drop factors are 10, 15, 20, and 60 drops/mL.
Hypovolemia refers to a condition resulting from:
- A. dehydration caused by loss of intracellular and extracellular fluids
- B. water losses that are greater than electrolyte losses
- C. excessive loss of equal proportions of extracellular fluid and electrolytes
- D. excessive loss of electrolytes in greater proportions than the loss of fluids
Correct Answer: C
Rationale: Hypovolemia is the excessive loss of both extracellular fluid and electrolytes in equal proportions, reducing blood volume.
Which of the following preparations should be performed at the bedside?
- A. Mixing of IV medication
- B. Verification of health-care provider's IV order with MAR
- C. Site selection
- D. Priming primary IV administration set
- E. Calculation of infusion rate for gravity flow
Correct Answer: B,C
Rationale: Verification of the IV order with the MAR and site selection are performed at the bedside to ensure patient safety and correct administration.
Which veins are used during PICC placement?
- A. Basilic vein
- B. Jugular vein
- C. Carotid vein
- D. Brachial vein
- E. Cephalic vein
Correct Answer: A,D,E
Rationale: PICC lines are placed in peripheral veins like the basilic, brachial, or cephalic veins, advancing to the superior vena cava.