Nokea
Beta-1 receptors are found in the heart and kidney, whereas beta-2 receptors are found in the lungs, gastrointestinal tract, vascular smooth muscle, and skeletal muscle.
- A. TRUE
- B. FALSE
Correct Answer: A
Rationale: This is a correct description of beta receptor distribution.
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Carbamazepine has a Black Box Warning recommending testing for the HLA-B*1502 allele in patients with Asian ancestry prior to starting therapy due to:
- A. Decreased effectiveness of carbamazepine in treating seizures in Asian patients with HLA-B*1502 allele
- B. Increased risk for drug interactions in Asian patients with the HLA-B*1502 allele
- C. Increased risk for Stevens-Johnson syndrome in Asian patients with HLA-B*1502 allele
- D. Patients who have the HLA-B*1502 allele being more likely to have a resistance to carbamazepine
Correct Answer: C
Rationale: HLA-B*1502 in Asians increases Stevens-Johnson syndrome risk with carbamazepine , per FDA warning, not efficacy or interactions .
A good history of herb and supplement use is critical before prescribing because approximately % of patients in the United States are using herbal products.
- A. 10
- B. 5
- C. 38
- D. 70
Correct Answer: C
Rationale: Approximately 38% of U.S. patients use herbal products, necessitating a thorough history.
Diane may benefit from cyclosporine (Sandimmune). Cyclosporin may be prescribed to:
- A. Treat rheumatoid arthritis
- B. Treat patients with corn allergy
- C. Pregnant patients
- D. Treat patients with liver dysfunction
Correct Answer: A
Rationale: Cyclosporine treats rheumatoid arthritis; corn allergy , pregnancy , or liver issues are not indications.
A physician has ordered intramuscular injections of morphine, a narcotic, every 4 hours as needed for pain for a motor vehicle accident victim. The nurse is aware that there is a high abuse potential for this drug, therefore, morphine is categorized as a:
- A. Schedule I drug
- B. Schedule II drug
- C. Schedule III drug
- D. Schedule IV drug
Correct Answer: B
Rationale: Narcotics such as morphine are considered schedule II drugs because of the high abuse potential with severe dependence liability. Schedule I drugs have high abuse potential and no accepted medical use. Schedule III drugs have a lesser abuse potential than schedule II drugs and an accepted medical use. Schedule IV drugs have low abuse potential and limited dependence liability.
Least half life is for which hormone
- A. Nor adrenaline
- B. Renin
- C. Aldosterone
- D. Thyroxine
Correct Answer: A
Rationale: Noradrenaline has a very short half-life (minutes) due to rapid metabolism.