ATI RN
ATI Pharmacology The Respiratory System Quizlet Questions
Question 1 of 5
The following are examples of beta-1 selective blockers:
Correct Answer: D
Rationale: Metoprolol selectively blocks beta-1 adrenergic receptors, reducing heart rate and cardiac output.
Question 2 of 5
A 48-year-old woman with 2-year history of rheumatoid arthritis has not had sufficient relief with methotrexate alone. Her physician prescribes etanercept to help control her symptoms. How does etanercept work?
Correct Answer: D
Rationale: Etanercept, a TNF-α inhibitor, works by inhibiting TNF-α signaling , reducing RA inflammation. Substance P depletion , COX inhibition , and chemotaxis inhibition are unrelated. Arachidonic acid prevention (E) isn't its role. This targets a key RA cytokine.
Question 3 of 5
The application of drugs for the purpose of treating diseases and treatment of suffering is known as
Correct Answer: B
Rationale: Pharmacotherapeutics applies drugs to treat diseases and alleviate suffering, combining pharmacology and therapeutic intent, a precise term. Biologics are drug types, not application. Alternative therapies use non-drug methods. Therapeutics is broader, but pharmacotherapeutics specifies drug use, aligning with the definition and clinical practice.
Question 4 of 5
Which nonselective alpha-adrenergic blocking agent is still used?
Correct Answer: D
Rationale: Of the nonselective alpha-adrenergic blocking agents, only phentolamine is still used today. Metoprolol is a beta1-selective adrenergic blocking agent. Timolol and propranolol are nonselective beta-adrenergic blocking agents. The nurse should understand the indications for phentolamine to ensure safe and effective administration.
Question 5 of 5
A 54-year-old man with an attack of gout approximately 4 months ago was placed on allopurinol. He now presents to his primary care physician complaining of a skin rash on his arms. Allopurinol was discontinued 3 months ago. What is the most likely explanation for this finding?
Correct Answer: A
Rationale: Rash 3 months after stopping allopurinol suggests contact dermatitis . Allopurinol's hypersensitivity resolves faster. Dermatitis herpetiformis , carcinoma , and telangiectasia (E) don't fit. An external allergen likely caused this delayed presentation.