Which of the Following Primary Immunodeficiencies Is/are the Most Common

question 63

Multiple Choice

Which of the following primary immunodeficiencies is/are the most common?

• A) Severe combined immunodeficiency
• B) Selective IgA deficiency
• C) Agammaglobulinemia
• D) Di George's syndrome
• E) Agammaglobulinemia AND Di George's syndrome  

---

Definitions:

ECG

Electrocardiogram, a medical test that measures the electrical activity of the heart to detect and diagnose various heart conditions.

S-T Segment

A portion of the electrocardiogram (ECG) reading that represents the period between the ventricular depolarization and repolarization, significant in diagnosing myocardial damage.

T Wave

A component of the ECG that represents the repolarization, or recovery, of the ventricles during heartbeats.

Atrioventricular Valves

Valves located between the atria and ventricles of the heart that prevent the backflow of blood during contraction.