Medical emergencies

These symptoms represent the classic components of the Cincinnati Prehospital Stroke Scale, which identifies acute neurological deficits caused by a cerebral vascular blockage or bleed. A productive cough, on the other hand, is indicative of respiratory infections like pneumonia rather than an acute stroke.

Epinephrine is the primary treatment for anaphylaxis because it rapidly reverses bronchoconstriction and vasodilation by stimulating adrenergic receptors. In contrast, aspirin is an antiplatelet medication used for cardiac chest pain and does not address the life-threatening systemic allergic response.

Naloxone is a competitive opioid antagonist that reverses life-threatening respiratory depression during an opioid overdose. A diagram for this topic isn't available yet — the worked example below walks the same reasoning step by step.

• !Administering IV insulin is incorrect and dangerous because insulin lowers blood glucose, which would worsen the patient's hypoglycemia.

Answer each from memory — you'll see instantly whether you're right and why.

Run a focused 10-question mini-mock on Medical emergencies and see it stick.