What is the correct medical term for dysrhythmias that originate in the atria?
1. Supraventricular
2. Fibrillation
3. Heart block
4. Tachycardia
Correct Answer: 1
Rationale 1: Supraventricular dysrhythmias originate in the atria.
Rationale 2: Fibrillation is incorrect because it can be atrial or ventricular.
Rationale 3: Heart block is incorrect because it is an area of nonconduction in the myocardium.
Rationale 4: Tachycardia is incorrect because it refers to the speed at which the heart is beating.
Global Rationale: Supraventricular dysrhythmias originate in the atria. Fibrillation is incorrect because it can be atrial or ventricular. Heart block is incorrect because it is an area of nonconduction in the myocardium. Tachycardia is incorrect because it refers to the speed at which the heart is beating.
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