Nokea
Which of the following steps should the nurse perform when combining two types of insulin and administering them?
- A. Always withdraw intermediate-acting insulin first
- B. When mixing insulins, remember 'clear before cloudy'
- C. Inject with 20-G, 1-inch needle
- D. Insert needle at a 45- or 90-degree angle
- E. Mix Lantus with regular insulin
Correct Answer: B,D
Rationale: When mixing insulins, draw up clear (regular) insulin before cloudy (intermediate-acting) to avoid contamination. A 45- or 90-degree angle is used for subcutaneous injections. Lantus should not be mixed with other insulins.
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A parenteral route of medication administration is one that bypasses which of the following?
- A. Stomach
- B. Kidneys
- C. Skin
- D. Heart
- E. Liver
Correct Answer: A,E
Rationale: Parenteral routes (e.g., injections) bypass the gastrointestinal system (stomach) and first-pass metabolism in the liver.
Injection of a drug into the upper layers of the skin is known as which route of medication administration?
- A. Intra-articular
- B. Intradermal
- C. Subcutaneous
- D. Intramuscular
Correct Answer: B
Rationale: Intradermal injections deliver medication into the upper layers of the skin.
A nurse needs to administer medication from an ampule. What of the following steps should the nurse take when drawing up this medication?
- A. Snap off the ampule neck using a sterile gauze pad
- B. Hold the ampule away from the body when breaking
- C. Tilt the ampule and place the injection needle into the liquid
- D. Avoid tapping the top of the bottle
- E. Use a filter needle to draw up medication
Correct Answer: A,B,C,E
Rationale: Proper ampule use involves breaking the neck with gauze, holding it away from the body, tilting to access liquid, and using a filter needle to prevent glass particles. Tapping is acceptable to move liquid.
Select the correct anatomical landmarks for the ventrogluteal site.
- A. Iliac crest
- B. Greater trochanter
- C. Acromion process
- D. Coccyx
- E. Anterior superior iliac spine
Correct Answer: A,B,E
Rationale: The ventrogluteal site is located using the iliac crest, greater trochanter, and anterior superior iliac spine as landmarks.
What gauge and length of needle would you select to administer an IM injection of a nonviscous medication in the ventrogluteal site of a 40-year-old male construction worker who is in good health and weighs 185 pounds?
- A. 25 G, 1 inch
- B. 18 G, 1½ inch
- C. 22 G, 1½ inch
- D. 24 G, 2 inch
- E. 20 G, 1 inch
Correct Answer: C
Rationale: For a healthy adult male, a 22-gauge, 1½-inch needle is appropriate for an IM injection in the ventrogluteal site to ensure adequate muscle penetration for a nonviscous medication.