DC Medical Terminology & Anatomy 2

Question 1

The term 'bradycardia' is derived from the Greek root 'brady,' which means:

Accepted Answer

Slow

Answer

Brady means slow, so bradycardia refers to a heart rate below 60 beats per minute.

Question 2

The sinoatrial (SA) node is anatomically located in the:

Accepted Answer

Right atrium near the superior vena cava

Answer

The SA node is located in the posterior wall of the right atrium near the junction with the superior vena cava.

Question 3

Which medical term describes an abnormally fast heart rate exceeding 100 beats per minute?

Accepted Answer

Tachycardia

Answer

Tachycardia (from Greek 'tachys' meaning fast) describes a heart rate greater than 100 bpm.

Question 4

The interventricular septum separates the:

Accepted Answer

Right and left ventricles

Answer

The interventricular septum divides the heart into the right and left ventricles.

Question 5

The medical term 'asystole' literally means:

Accepted Answer

Without contraction

Answer

Asystole means absence of cardiac contraction; the prefix 'a-' means without and 'systole' means contraction.

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