What changes in fluid volumes? - USMLE Forums
USMLE Forums Logo
USMLE Forums         Your Reliable USMLE Online Community     Members     Posts
Home
USMLE Articles
USMLE News
USMLE Polls
USMLE Books
USMLE Apps
Go Back   USMLE Forums > USMLE Step 1 Forum

USMLE Step 1 Forum USMLE Step 1 Discussion Forum: Let's talk about anything related to USMLE Step 1 exam


Reply
 
Thread Tools Search this Thread Display Modes
  #1  
Old 08-12-2012
USMLE Forums Master
 
Steps History: 1+CK+CS
Posts: 1,039
Threads: 189
Thanked 557 Times in 318 Posts
Reputation: 567
Question What changes in fluid volumes?

A 42-year-old man attempts to commit suicide by cutting his radial arteries at the wrist. He is brought to the emergency department within 30 minutes and in time to save his life, but he has lost a large volume of blood. Before resuscitation is initiated, which of the following changes to the volumes of total body water (TBW), intracellular fluid (ICF), and extracellular fluid (ECF) will have occurred?


a) TBW decreased, ICF decreased, ECF decreased
b) TBW decreased, ICF decreased, ECF unchanged
c) TBW decreased, ICF unchanged, ECF decreased
d) TBW unchanged, ICF decreased, ECF unchanged
e) TBW unchanged, ICF unchanged, ECF decreased
f) TBW unchanged, ICF unchanged, ECF unchanged
Reply With Quote Quick reply to this message



  #2  
Old 08-12-2012
venky2600's Avatar
USMLE Forums Master
 
Steps History: 1+CK+CS+3
Posts: 1,186
Threads: 119
Thanked 815 Times in 434 Posts
Reputation: 825
Send a message via Yahoo to venky2600
Correct Answer c

yes, c is absolutely right....since hemorrhage is isotonic loss of fluid...so no change in icf,as solute concentration remains unchanged...i will go with c
Reply With Quote Quick reply to this message
  #3  
Old 08-12-2012
koolkiller88's Avatar
USMLE Forums Master
 
Steps History: Step 1 Only
Posts: 864
Threads: 62
Thanked 370 Times in 224 Posts
Reputation: 380
Default

What changes in fluid volumes?-imageuploadedbytapatalk-hd1344761566.428032.jpg
Isotonic fluid lose. So answer would be C.
__________________
One day i will infect these microbes and they will search for "Anti-MEbiotic"....
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Reply With Quote Quick reply to this message
  #4  
Old 08-16-2012
USMLE Forums Addict
 
Steps History: Not yet
Posts: 138
Threads: 1
Thanked 45 Times in 26 Posts
Reputation: 55
Default

c) totally!
Reply With Quote Quick reply to this message
  #5  
Old 08-17-2012
USMLE Forums Master
 
Steps History: 1+CK+CS
Posts: 1,039
Threads: 189
Thanked 557 Times in 318 Posts
Reputation: 567
Default correct answer

yup, the answer is c) TBW decreased, ICF unchanged, ECF decreased
Reply With Quote Quick reply to this message



Reply

Tags
Electrolytes-, Physiology-, Step-1-Questions

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the USMLE Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
Medical School
Choose "---" if you don't want to tell. AMG for US & Canadian medical schools. IMG for all other medical schools.
USMLE Steps History
What steps finished! Example: 1+CK+CS+3 = Passed Step 1, Step 2 CK, Step 2 CS, and Step 3.

Choose "---" if you don't want to tell.

Favorite USMLE Books
What USMLE books you really think are useful. Leave blank if you don't want to tell.
Location
Where you live. Leave blank if you don't want to tell.

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
RA and synovial fluid analysis sargousmle USMLE Step 1 Forum 0 03-30-2012 01:45 PM
IV Fluid Replacement meanmr.mustard USMLE Step 2 CK Forum 3 11-03-2011 11:38 AM
white fluid on form 186 aasiaafzal ECFMG Forum 0 07-26-2011 10:32 PM
Ventricular volumes and pressures in diastolic heart failure Pixie USMLE Step 1 Forum 7 08-02-2010 02:13 AM

RSS Feed
Find Us on Facebook
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.

USMLE® & other trade marks belong to their respective owners, read full disclaimer
USMLE Forums created under Creative Commons 3.0 License. (2009-2014)