Midterm Exam Preparation/NSE 211 Midterm Exam
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Which of the following are correct when administering a
subcutaneous
injection? (Select all that apply.)
A. Pinch the skin and insert needle at a 45° angle if patient
is thin
B. Always aspirate before injection
C. Do not massage the site after heparin or insulin
D. Rotate sites for insulin administration
E. Inject into the deltoid muscle
, Answer: A, C, D
Rationale:
SC injections are given in fatty tissue (abdomen, thigh,
arm).
Avoid aspiration and massaging with insulin/heparin to
prevent tissue
damage.
Site rotation prevents lipohypertrophy and improves
absorption
A nurse uses the Z-track method for an intramuscular
injection. What is
the purpose of this technique?
A. To prevent needlestick injuries
, B. To prevent medication leakage into subcutaneous
tissue
C. To speed medication absorption
D. To increase comfort by avoiding tissue displacement
Answer: B
Rationale: The Z-track method seals medication in the
muscle by
displacing skin and tissue laterally before injection,
reducing irritation
and staining (e.g., iron preparations)
The sliding scale reads:
CBG < 4 mmol/L = hold insulin, give juice
4-8 mmol/L = 0 units
8.1-12 mmol/L = 2 units
, 12.1-16 mmol/L = 4 units
16 mmol/L = 6 units
The patient's CBG is 13.8 mmol/L.
How many units should be administered?
Answer: 4 units
Rationale: Based on the sliding scale, 13.8 mmol/L falls in
the 12.1-16
range. Always verify the MAR and patient's CBG before
administering
insulin and document accordingly
After administering Heparin 5,000 units SC, what should
the nurse
include in documentation?
A. Only the dose and time
B. Site of injection, medication, dose, time, and patient