5.1 Dyshemoglobin Flashcards
All dysfunctional hemoglobin cannot transport Oxygen
T or F
T
Hb iron is in ferric state
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
a
May aquired and inherited
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
a
CO is 240x affinity to Hb the O2
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
b
Sulfur aton at heme pyrrole ring
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
c
Acquired due to smoking / Car exhaust
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
b
Acquired due to drugs
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
c
Causes Cyanosis, Dyspnea
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
a
Irreversible (Cannot return to Hb A normally)
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
c
Associated w/ chocolate brown color
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
a
Associated w/ Cherry red blood
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
b
Associated w/ Greenish pigment
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
c
Treatment: Methylene blue/ascorbic acid
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
a
Treatment: removing CO source / O2 therapy
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
b
Treatment: Avoidance of offending agent
a. Methemoglobin
b. Carboxyhemoglobin
c. Sulfhemoglobin
c
