In an Immunodiffusion Test to Diagnose Histoplasmosis, a Patient's Serum

question 22

Multiple Choice

In an immunodiffusion test to diagnose histoplasmosis, a patient's serum is placed in a well in an agar plate. In a positive test, a precipitate forms as the serum diffuses from the well and meets material diffusing from a second well. In this test process, what is in the second well?

• A) mycelia
• B) red blood cells
• C) antibodies
• D) fungal cells
• E) a fungal antigen

---

Definitions:

Fraud Prevention

Strategies and measures employed by organizations to detect, prevent, and protect against fraudulent activities or financial irregularities.

Prescribed Controls

Regulations or procedures set by an authority (such as a government or regulatory body) that are designed to govern the operation and security of systems or processes.

Physical Controls

Measures and procedures used to safeguard assets, including inventory and equipment, from loss, theft, or unauthorized access.

Cashier Department

A division in a company or organization responsible for handling cash transactions, receipts, and disbursements.