**Core Concept**
Propranolol is a non-selective beta-blocker used to manage various cardiovascular conditions by reducing sympathetic tone, heart rate, and cardiac output. It's also used in certain non-cardiovascular conditions due to its anti-adrenergic effects.

**Why the Correct Answer is Right**
Propranolol is used in conditions like hypertension, angina pectoris, certain types of tachyarrhythmias (e.g., supraventricular tachycardia), and glaucoma due to its ability to decrease intraocular pressure. Additionally, it's used in the management of performance anxiety (stage fright) and certain cases of migraines. In these conditions, propranolol's beta-blocking effects help reduce symptoms.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is not provided, so we'll move on to the next ones.
**Option B:** This option is also not provided.
**Option C:** This option is not provided.
**Option D:** This option is not provided.

**Clinical Pearl / High-Yield Fact**
Keep in mind that propranolol can exacerbate conditions like asthma, as it can induce bronchospasm by blocking beta-2 receptors. It's essential to use caution when prescribing propranolol to patients with a history of respiratory issues.

**Correct Answer:** D