Nokea
Which of the following statements regarding insulin is(are) accurate?
- A. All insulin types can be mixed with other types.
- B. When drawing up regular and intermediate-acting insulins into the same syringe, you must draw the regular insulin first.
- C. Daily injection sites should be rotated once a week.
- D. Insulin is best kept in a dark, dry cabinet.
- E. The preferred site for administering insulin is the back of the upper arm.
Correct Answer: B
Rationale: b is correct because regular (clear) insulin should be drawn up first to prevent contamination with intermediate-acting (cloudy) insulin. a is incorrect as not all insulins can be mixed (e.g., Lantus cannot be mixed). c is incorrect as sites should be rotated daily, not weekly. d is incorrect as insulin should be stored in a refrigerator or cool place, not a dry cabinet. e is incorrect as the abdomen is the preferred site for insulin due to consistent absorption.
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The health-care provider has written an order to administer a PPD to Thomas Staccotti. As you gather your equipment and supplies, you know that you will need which of the following size needles and syringe?
- A. 18 g ? 1 in
- B. 20 g ? 7/8 in
- C. 25 g ? 7/8 in
- D. 23 g ? 1 in
Correct Answer: C
Rationale: For a PPD (purified protein derivative) test, which is an intradermal injection, a small gauge needle (25?27 gauge) with a short length (3/8 to 5/8 inch) is required to ensure the medication is injected just below the skin surface. A 25 g ? 7/8 in needle is appropriate.
What angle of insertion should be used for intradermal injections?
- A. 15 degrees
- B. 30 degrees
- C. 45 degrees
- D. 90 degrees
Correct Answer: A
Rationale: Intradermal injections require a shallow angle (10?15 degrees) to place the medication just under the skin surface.
Which of the following sites provides the best and most consistent absorption of insulin?
- A. Upper back
- B. Back of upper arms
- C. Deltoid
- D. Dorsal gluteal
- E. Abdomen
Correct Answer: E
Rationale: The abdomen provides the fastest and most consistent absorption for insulin due to its subcutaneous fat and blood supply.
A nurse is caring for a patient who is receiving a basal/bolus insulin for type 1 diabetes. The nurse understands basal/bolus
- A. Allows for flexibility for mealtime and lifestyle.
- B. Allows for no flexibility for mealtime and lifestyle.
- C. Allows for flexibility for lifestyle.
- D. Allows for flexibility for mealtime.
Correct Answer: A
Rationale: Basal/bolus insulin regimens mimic natural insulin release, providing flexibility for both mealtime and lifestyle adjustments.
Which of the following drugs requires a second and third nurse to verify the dosage?
- A. Insulin
- B. Epinephrine
- C. Heparin
- D. Purified protein derivative
Correct Answer: A,C
Rationale: Insulin and heparin are high-alert medications requiring double or triple verification to prevent dosage errors.