A 35-year-old woman with pulmonary arterial hypertension (PAH) is using a combined oral contraceptive (levonorgestrel/ethinylestradiol). She is receiving combination pharmacotherapy for PAH. Which of the following medications would necessitate additional contraceptive measures due to reduced effectiveness of hormonal contraception?

A 50 years old male was diagnosed with PAH. His right heart catheterization revealed low risk status. Which of the following combinations is not recommended for the initial management of this patient knowing he has no cardiopulmonary comorbidities:

During the first hour of therapy in an acute asthma exacerbation, what is the primary effect of systemic corticosteroids?

A patient receives repeated high doses of albuterol, formoterol, and epinephrine. What is the most likely complication?

A 60 years old female with COPD was diagnosed with PAH. Her right heart catheterization showed an intermediate risk status. What is the best initial management for this patient?

Which of the following best describes the first early effect of IV loop diuretics in management of ADHF?

Which of the following drug combinations is contraindicated in PAH management?

L.R is a 60 years old man with heart failure and asthma, he presents to the emergency department with acute severe asthma exacerbations, which of the following choices is preferred to be in his treatment plan:

Which drug is the vasodilator of choice in ADHF patients with ischemic heart disease?

S.D. is a 60 years old male diagnosed with COPD 5 years ago. He is on Indacaterol and tiotropium inhalers. During the last year, he has been having more exacerbations. The doctor decided to escalate his treatment. His blood eosinophils count is 350 cells/μL. What is the best strategy to escalate his treatment to reduce exacerbations?