FREE KAPS Pharmacology and Therapeutics Questions and Answers
Which receptor type does acetylcholine primarily act on in the parasympathetic nervous system?
Correct!
Wrong!
Acetylcholine primarily acts on muscarinic receptors in the parasympathetic nervous system to mediate its effects.
What is the primary mechanism of action of beta-blockers in treating hypertension?
Correct!
Wrong!
Beta-blockers reduce blood pressure by decreasing heart rate and cardiac output, thus lowering overall workload on the heart.
Which class of drugs is most effective in managing acute asthma attacks?
Correct!
Wrong!
Short-acting beta-agonists like albuterol are the first-line treatment for acute asthma attacks due to their rapid bronchodilatory effects.
What is the main adverse effect of aminoglycosides?
Correct!
Wrong!
Aminoglycosides are associated with nephrotoxicity and ototoxicity, which are significant concerns during therapy.
Which anticoagulant works by directly inhibiting thrombin?
Correct!
Wrong!
Direct thrombin inhibitors like dabigatran bind directly to thrombin and prevent clot formation.
What is the therapeutic use of selective serotonin reuptake inhibitors (SSRIs)?
Correct!
Wrong!
SSRIs are primarily used to treat depression by increasing serotonin levels in the synaptic cleft.