Nokea
The adverse events of biguanides are:
- A. Alkalosis
- B. Hypoxemia/acidosis
- C. Weight loss
- D. Anemia
Correct Answer: B
Rationale: Biguanides like metformin can cause lactic acidosis, a serious adverse effect related to impaired mitochondrial function.
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A nurse is caring for an older adult client in a long-term care facility who has Hypothyroidism and a new prescription for Levothyroxine. Which of the following dosage schedules should the nurse expect for this client?
- A. The client will remain 0.1 mg dose, and the dose will be 0.1 mg of 0.1 mg dose, and the dose will be... (truncated)
Correct Answer: A
Rationale: Older adults typically start with a low dose (e.g., 0.025-0.05 mg) of levothyroxine, titrated slowly; 0.1 mg is plausible with adjustment.
What dermatological issue is linked to Amiodarone use?
- A. Increased risk of basal cell carcinoma
- B. Flare up of any prior psoriasis problems
- C. Development of plantarwarts
- D. Progressive change of skin tone toward a blue spectrum
Correct Answer: D
Rationale: Amiodarone causes blue-gray skin discoloration due to drug deposition.
The patient looks at the prescription provided by the doctor and asks the nurse whether he can request a generic substitution. The nurse answers No when noting what on the prescription?
- A. No refills
- B. DAW
- C. Brand name used on prescription
- D. Patient older than 65 years of age
Correct Answer: B
Rationale: DAW stands for dispense as written and means that the doctor does not want a generic substituted for the prescribed medication. Requesting no refills does not preclude the substitution of a generic medication. Even when the brand name is ordered, the pharmacist can substitute a generic equivalent so long as the prescriber does not write DAW. Generic substitutions are not impacted by the patient's age.
Which of the following vitamin or mineral supplements may by teratogenic if a pregnant woman takes more than the recommended amount?
- A. Iron
- B. Vitamin A
- C. Vitamin B6
- D. Vitamin C
Correct Answer: B
Rationale: Excess vitamin A (retinol) is teratogenic, potentially causing congenital malformations.
After teaching a group of students about the different routes of medication administration, the nursing instructor determines that the teaching was successful when the students identify which of the following as a topical drug?
- A. Capsule
- B. Suppository
- C. Nebulized bronchodilator
- D. Nicotine patch
Correct Answer: B
Rationale: Topical drugs are drugs that are applied to the outer layer of the skin but not absorbed through the skin, such as eyedrops and suppositories. A nebulized bronchodilator is an inhaled medication. A nicotine patch delivers the medication transdermally; that is, it is readily absorbed from the skin. A capsule is a form of oral medication.