All of the Following Refer to Sickle-Cell Anemia Except

question 55

Multiple Choice

All of the following refer to sickle-cell anemia except

• A) makes children more susceptible to infection with B19
• B) is caused by Lyme disease
• C) protects against malaria
• D) is a blood disorder

---

Definitions:

Coronary Sinus

Short trunk that receives most of the veins of the heart and empties into the right atrium.

Cardiac Veins

Blood vessels that return deoxygenated blood from the myocardium (heart muscle) to the right atrium.

Coronary Vessels

Blood vessels that supply blood to the heart muscle, including coronary arteries and veins.

Pulmonary Arteries

The arteries that carry deoxygenated blood from the heart to the lungs for oxygenation.