Prep for USMLEPrep for USMLE Forum
   Forum    Step 1  Step 2 CK Step 2 CS Step 3  Match  IMGs Resources Search






Previous Topic | Next Topic  Q 




 



Author3 Posts
  #1

Patient A is suffering from carbon monoxide (CO) poisoning and patient
B has iron deficiency anemia. Assume that CO is binding 50% of the
available O2-binding sites on the hemoglobin, and that the anemic
patient has 50% of the normal amount of hemoglobin. Patient A is
more at risk of tissue hypoxia because CO causes
A. a decrease in diffusing capacity
B. a decrease in the P50 of Hb for O2
C. a greater decrease in the concentration of arterial oxygen
D. a reduced rate of O2 binding to available Hb
E. arterial hypoxemia, while anemia does not

  #2

its B

  #3

YES again u'r right grin







You don't have permission to post.




Login or Register to post messages in this topic





















Contact | Leaders | Disclaimer | Privacy

Copyright @ Prep for USMLE. All rights reserved.