Chronic lymphocytic leukemia (CLL) commonly causes hypogammaglobulinemia. This makes clients with CLL more susceptible to infection. What is the most common infectious organism that attacks clients with CLL?

Staphylococcus aureus

Explanation:

Staphylococcus aureus or "staph" is a type of bacteria found on human skin, in the nose, armpit, groin, and other areas.

Staphylococcus aureus

Explanation:

Staphylococcus aureus is a Gram-positive, round-shaped bacterium that is a member of the Firmicutes, and it is a usual member of the microbiota of the body, frequently found in the upper respiratory tract and on the skin. It is often positive for catalase and nitrate reduction and is a facultative anaerobe that can grow without the need for oxygen. Though it's common, it has no particular vaccine.