Nokea
A group of nursing students are reviewing the different groups of penicillins. The students demonstrate understanding when they identify which of the following as an example of a penicillinase-resistant penicillin? Select all that apply.
- A. Dicloxacillin
- B. Penicillin G
- C. Nafcillin
- D. Oxacillin
- E. Ampicillin
Correct Answer: A,C,D
Rationale: Dicloxacillin, nafcillin, and oxacillin are examples of penicillinase-resistant penicillins. Penicillin G is an example of a natural penicillin. Ampicillin is an example of an aminopenicillin.
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While the nurse is obtaining a drug history from a patient, the patient tells the nurse that he is allergic to penicillins and has also experienced a rash when he took a cephalosporin. The nurse interprets this information as indicating which of the following?
- A. Hypersensitivity
- B. Cross-sensitivity
- C. Anaphylactoid reaction
- D. Anaphylaxis
Correct Answer: B
Rationale: Once an individual is allergic to one penicillin, he or she is usually allergic to all of the penicillins. Those allergic to penicillin also have a higher incidence of allergy to the cephalosporins. Allergy to drugs in the same or related groups is called cross-sensitivity. Hypersensitivity is an allergic reaction to one substance. Anaphylactoid reaction is an unusual or exaggerated allergic reaction. Anaphylaxis or anaphylactic shock is a severe form of hypersensitivity that occurs immediately and can be fatal.
A group of nursing students are reviewing information about administering penicillins. The students demonstrate an understanding of the information when they identify which drugs as being given without regard to meals? Select all that apply.
- A. Amoxicillin (Amoxil)
- B. Ampicillin (Principen)
- C. Penicillin V (Veetids)
- D. Amoxicillin/clavulanate (Augmentin)
- E. Carbenicillin indanyl (Geocillin)
Correct Answer: A,C
Rationale: Amoxicillin and penicillin V can be administered without regard to meals, unlike the rest of the penicillins, such as ampicillin, amoxicillin/clavulanate, or carbenicillin indanyl, which should be given on an empty stomach.
A client is prescribed penicillin therapy to treat an infection. Which of the following would the nurse include in the teaching plan for the client to reduce her risk of fungal superinfections? Select all that apply.
- A. Yogurt can sometimes help.
- B. Try drinking some buttermilk.
- C. You could take Acidophilus capsules.
- D. Rinse your mouth daily with an alcohol-based mouthwash.
- E. Use a soft-bristle toothbrush when brushing.
Correct Answer: A,B,C,E
Rationale: The nurse can recommend that, if the diet permits, yogurt, buttermilk, or Acidophilus capsules may be taken to reduce the risk of fungal superinfection. Also, brushing with a soft-bristle toothbrush and frequent mouth care with a nonirritating solution can be helpful.
A nurse is teaching a patient about the common adverse reactions that can occur with his prescribed therapy with cephalosporins. The nurse determines that the teaching was successful when the patient identifies which of the following? Select all that apply.
- A. Drowsiness
- B. Headache
- C. Constipation
- D. Heartburn
- E. Vomiting
Correct Answer: B,D,E
Rationale: Common adverse reactions to cephalosporins include nausea, vomiting, diarrhea, headache, dizziness, malaise, heartburn, and fever.
After teaching a group of nursing students about penicillins, the instructor determines that the teaching was successful when the students identify which of the following as a group? Select all that apply.
- A. Synthetic penicillins
- B. Natural penicillins
- C. Penicillinase-resistant penicillins
- D. Aminopenicillins
- E. Extended-spectrum penicillins
Correct Answer: B,C,D,E
Rationale: Penicillins are categorized into four groups including the natural penicillins, penicillinase-resistant penicillins, aminopenicillins, and extended-spectrum penicillins.