Question

unit examinations content
page 34 of 51
question 33
which condition can be detected on an electrocardiogram?
a tachycardia
b bradypnea
c phlebitis
d aneurysm
e hemorrhoids

Explanation:

An electrocardiogram (ECG) records the electrical activity of the heart. Tachycardia (abnormally fast heart rate) and bradycardia (abnormally slow heart rate) are arrhythmias related to heart rate, which can be detected on an ECG. Phlebitis is inflammation of a vein, an aneurysm is a blood vessel dilation, and hemorrhoids are a vascular condition of the rectum/anus—these are not detected by ECG. Among the options, both A (tachycardia) and B (bradycardia) relate to heart rhythm/rate measurable by ECG. But if we consider typical ECG - detectable arrhythmias, tachycardia (A) and bradycardia (B) are correct. However, maybe there's a typo in option B (maybe bradycardia instead of bradypnoea? If it's bradycardia, then A and B. But assuming the options: A. tachycardia (fast heart rate, ECG can detect abnormal heart rate/rhythm), B. if it's bradycardia (slow heart rate, ECG can detect), but if B is bradypnoea (slow breathing), then only A. Assuming a typo and B is bradycardia, but let's check: Tachycardia (A) is a heart rate disorder detectable by ECG.

Answer:

A. tachycardia, B. bradycardia (assuming B is bradycardia; if B is bradypnoea, then A. tachycardia)