Which is true of the biphasic hemolysin usually associated with paroxysmal cold hemoglobinuria (PCH)?

a. Anti-P that binds to red blood cells at body temperature but activates complement at cool temperatures
b. Anti-P that binds to red blood cells at cool temperatures but activates complement at body temperature
c. Anti-P1 that binds to red blood cells at body temperature but activates complement at cool temperatures
d. Anti-P1 that binds to red blood cells at cool temperatures but activates complement at body temperature


Answer: b

Health Professions

You might also like to view...

Which of the following is NOT one the ear's three distinct sections?

a. External b. Middle c. Inner d. Outer

Health Professions

When delivering a stroke from a diagonal stance, the front knee should extend forward past the toes

Indicate whether the statement is true or false.

Health Professions

Detailed information about the subscriber on the insurance plan that will be billed would be found on the:

registration form. Explanation of Benefits (EOB). encounter form. ledger sheet.

Health Professions

The spermatic cord in the male follows the inguinal canal and contains the following structures, EXCEPT:

A. spermatic fascia C. lymph vessels B. lymph nodes D. cremaster muscle

Health Professions