Nokea
The nurse is preparing to administer an intradermal injection. The nurse would insert the needle at which angle?
- A. 15 degrees
- B. 30 degrees
- C. 45 degrees
- D. 90 degrees
Correct Answer: A
Rationale: When giving an intradermal injection, the needle is inserted bevel up at a 15-degree angle. The nurse would insert the needle at a 90-degree angle for an intramuscular injection or for a patient who is obese and requires a subcutaneous injection. Typically a subcutaneous injection is given at a 45-degree angle.
You may also like to solve these questions
Which of the following antidiabetic agents acts on the peroxisome proliferator-activated receptor-gamma (PPAR-gamma) nuclear receptor?
- A. acarbose
- B. glyburide
- C. insulin lispro
- D. pioglitazone
Correct Answer: D
Rationale: Pioglitazone is a thiazolidinedione that activates PPAR-gamma, enhancing insulin sensitivity in peripheral tissues.
Not metabolized in liver
- A. Cimetidine
- B. Phenytoin
- C. Diazepam
- D. Penicillin G
Correct Answer: D
Rationale: Penicillin G is primarily excreted unchanged by the kidneys, unlike the others metabolized by the liver.
Larry has heart failure, which is being treated with digoxin because it exhibits:
- A. Negative inotropism
- B. Positive chronotropism
- C. Both 1 and 2
- D. Neither 1 nor 2
Correct Answer: D
Rationale: Digoxin has positive inotropic effects, increasing contractility, not negative or chronotropic.
What is the interaction of pheno barbiton and warfarin
- A. Displacement of warfarin from binding site
- B. Decreased absorption of warfarin
- C. Increased metabolism of warfarin
- D. Decreased metabolism of warfarin
Correct Answer: C
Rationale: Phenobarbitone induces liver enzymes, increasing warfarin metabolism.
Aminoglycosides are most effective against which kind of microorganism?
- A. Aerobic gram-negative bacteria
- B. Anaerobic gram-negative bacteria
- C. Aerobic gram-positive bacteria
- D. Anaerobic gram-positive bacteria
Correct Answer: A
Rationale: Aminoglycosides target aerobic gram-negative bacteria by inhibiting protein synthesis, requiring oxygen-dependent uptake.