Nokea
Where are large fenestrations or slit junctions located?
- A. Bone
- B. Brain
- C. Skin
- D. Liver
Correct Answer: D
Rationale: The liver has large fenestrations in sinusoidal endothelium, allowing easy drug passage, unlike the brain (tight junctions) or bone/skin (less permeable).
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The following drugs are correctly paired with a clinical use EXCEPT:
- A. Danazol to treat endometriosis
- B. Flutamide to treat benign prostatic hyperplasia
- C. Finasteride to treat male pattern baldness
- D. Clomiphene to treat anovulatory infertility
Correct Answer: B
Rationale: Flutamide treats prostate cancer, not BPH; finasteride is used for BPH.
Adherence is improved when a drug can be given once daily. Which of the following drugs can be given once daily?
- A. Tacrine
- B. Donepezil
- C. Memantine
- D. Pyridostigmine
Correct Answer: B
Rationale: Donepezil's long half-life allows once-daily dosing, improving adherence.
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.
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.
A 35-year-old male patient is admitted to the hospital with pneumonia. He was originally being treated at home, but became worse when he quit taking his antibiotic prematurely. What is an appropriate nursing diagnosis for this patient?
- A. Deficient knowledge: monitoring temperature
- B. Noncompliance
- C. Risk for injury related to hypoxia
- D. Non-adherence: overuse
Correct Answer: B
Rationale: Stopping antibiotics early indicates noncompliance, worsening his condition.