A 65-year-old man with coronary artery disease - 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 07-27-2014
USMLE Forums Master
 
Steps History: 1+CK+CS
Posts: 1,867
Threads: 149
Thanked 2,104 Times in 1,049 Posts
Reputation: 2124
Default A 65-year-old man with coronary artery disease

A 65-year-old man with coronary artery disease comes to the physician for a follow-up examination. He is 183 cm (6 ft) tall and weighs 84 kg (185 lb); BMI is 25 kg/m2. His blood pressure is 130/80 mm Hg. The lungs are clear to auscultation. Cardiac examination shows no point of maximal impulse. Serum studies show a glucose concentration of 95 mg/dL and homocysteine concentration of 19.3 μmol/L (N=5–15). Serum lipid concentrations are within the reference range. Which of the following amino acids is most likely to be decreased in this patient?

(A) Arginine
(B) Leucine
(C) Lysine
(D) Methionine
(E) Ornithine
__________________
A man doesn't know what he knows until he knows what he doesn't know.
“What is man? He's just a collection of chemicals with delusions of grandeur.”
Reply With Quote Quick reply to this message



  #2  
Old 07-27-2014
USMLE Forums Master
 
Steps History: 1+CK+CS+3
Posts: 1,109
Threads: 31
Thanked 521 Times in 394 Posts
Reputation: 540
Default

Methionine
__________________
In USMLE, “Any fool can know. The point is to understand.”
Reply With Quote Quick reply to this message
  #3  
Old 07-27-2014
Dr.ann's Avatar
USMLE Forums Addict
 
Steps History: Not yet
Posts: 156
Threads: 10
Thanked 49 Times in 30 Posts
Reputation: 59
Default

Answer is methionine
Disease is homocystinuria
Reply With Quote Quick reply to this message
The above post was thanked by:
Novobiocin (07-27-2014)
 
  #4  
Old 07-27-2014
USMLE Forums Scout
 
Steps History: Step 1 Only
Posts: 61
Threads: 10
Thanked 13 Times in 11 Posts
Reputation: 23
Default

methionine, so it may be a mutation in methionine synthase or a B 12 def ( but would present with other symptoms).
Reply With Quote Quick reply to this message



Reply

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
Most important modifiable risk factor for Coronary Heart Disease nora05 USMLE Step 3 Forum 4 07-12-2014 02:46 AM
Best for Coronary artery aneurysm/thrombosis in kawasaki stfidel USMLE Step 2 CK Forum 4 03-08-2013 04:15 PM
peak flow in right coronary artery wertheworld11 USMLE Step 1 Forum 3 01-12-2013 09:31 AM
50% Decreased Flow in the Coronary Artery kemoo USMLE Step 1 Forum 6 01-27-2011 12:18 PM
Culprit Coronary Artery cool_atomic USMLE Step 2 CK Forum 7 01-17-2011 03:07 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)