exam in 2 weeks, need help with nbme - 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 11-26-2015
USMLE Forums Scout
 
Steps History: 1 + CK
Posts: 60
Threads: 12
Thanked 12 Times in 10 Posts
Reputation: 22
Default exam in 2 weeks, need help with nbme

Hello guys,
I am going to take step 1 in a few days. these days i'm trying to do as much q as possible from various sources. i am doing nbmes offline. but i am not sure whether all the ans i have are correct or not. i'm looking forward to discuss some doubts. hope more people will join me. thanks.

1. nbme 7- block 3 16. A 31-year-old man receives medication to reverse the effects of a neuromuscular-blocking drug. Two minutes later, he has
decrease in heart rate to 28/min. Which of the following drugs or combination of drugs was most likely used to reverse the
neuromuscular blockade in this patient?
O A) Anticholinesterase drug only
O B) Anticholinesterase and cholinesterase reactivator drugs in combination
O C) Anticholinesterase and muscarinic antagonist drugs in combination
O D) Cholinesterase reactivator drug only
O E) Direct muscarinic agonist drug only

Last edited by praru; 11-28-2015 at 09:27 AM.
Reply With Quote Quick reply to this message



  #2  
Old 11-26-2015
USMLE Forums Scout
 
Steps History: 1 + CK
Posts: 60
Threads: 12
Thanked 12 Times in 10 Posts
Reputation: 22
Default

my ans was E. is A the right ans?
Reply With Quote Quick reply to this message
  #3  
Old 11-26-2015
USMLE Forums Guru
 
Steps History: 1 + CS
Posts: 305
Threads: 40
Thanked 103 Times in 64 Posts
Reputation: 113
Default

i think it is A.....because neuromuscular junction has nicotinic receptors and not muscarinic receptors....so if u give an ach enzyme inhibitor....this increase acetylcholine which acts on both the NMJ and the unwanted action onM2 receptors in athe avnode resulting in bradycardia....
hope this helps
Reply With Quote Quick reply to this message
The above post was thanked by:
amrat (11-26-2015), praru (11-28-2015)
 
  #4  
Old 11-26-2015
USMLE Forums Newbie
 
Steps History: 1+CK+CS
Posts: 8
Threads: 0
Thanked 3 Times in 3 Posts
Reputation: 13
Default

it is a this patient was given curuinum as muscle relaxand NM blocker then we want reverse it so DOC is neostigmin acetylcholine esterase inhibitor usually we have to give neostigmin with atropine to block muscarinic action so all acetylcholine act on NM receptor but in this patient not given so he has bradycardia
Reply With Quote Quick reply to this message
  #5  
Old 11-28-2015
USMLE Forums Scout
 
Steps History: 1 + CK
Posts: 60
Threads: 12
Thanked 12 Times in 10 Posts
Reputation: 22
Default correct ans and if possible a bit of explanation.

1. 38 yr male, BMI-24kg/m2, unable to conceive. O/E small testis, no sperm.Dx?
a- chromosome analysis
b- SRY gene sequencing

2. 24 yr old male, unable to have erection with occasional penile pain,mild chronic backache and hemorrhoids for 2 yrs.have a 2yr old son. rides bicycle 2 hrs daily and 5 hrs on weekends.no nocturnal erections.O/E tenderness on lower back and external hemorrhoids.cause of patient's erectile dysfunction?
a-damaged blood and nerve supply to erectile tissue
b-lumbosacral strain
c-compromised blood supply to pampiniform plexus.
Reply With Quote Quick reply to this message
  #6  
Old 11-28-2015
USMLE Forums Scout
 
Steps History: Not yet
Posts: 34
Threads: 5
Thanked 7 Times in 7 Posts
Reputation: 17
Default

Fr 1 i think option a..
Reply With Quote Quick reply to this message
The above post was thanked by:
praru (11-28-2015)
  #7  
Old 11-28-2015
USMLE Forums Scout
 
Steps History: 1 + CK
Posts: 60
Threads: 12
Thanked 12 Times in 10 Posts
Reputation: 22
Default

1- i thought since SRY determines testis development the ans would be b.. but i got it wrong.. can you explain why you said 'a'?
Reply With Quote Quick reply to this message
  #8  
Old 11-28-2015
USMLE Forums Scout
 
Steps History: 1 + CK
Posts: 60
Threads: 12
Thanked 12 Times in 10 Posts
Reputation: 22
Default nbme 12

3. 10 yr old girl with mass removed in left side of neck. after 1 day developed pupillary constriction,vasodilation,ptosis on left side.
a-postsynaptic sympathetic fibres from superior cervical ganglion.
b-splanchnic nerve fibres from the cervical sympathetic trunk
Reply With Quote Quick reply to this message
  #9  
Old 11-28-2015
USMLE Forums Scout
 
Steps History: 1 + CK
Posts: 60
Threads: 12
Thanked 12 Times in 10 Posts
Reputation: 22
Default

4- a 20 yr old female presents to the ER with acetaminophen toxicity following a breakup with her boyfriend.on further questioning the physician finds that she had only 2 dates with her bf although she was saying ' i loved him so much and was going to marry him'. she tells the physician ' i can't bear being alone. i can tell that you understand me,you are the only doctor who have understood how i feel '.
a- dependent personality
b-borderline
Reply With Quote Quick reply to this message
  #10  
Old 11-28-2015
USMLE Forums Scout
 
Steps History: 1 + CK
Posts: 60
Threads: 12
Thanked 12 Times in 10 Posts
Reputation: 22
Default

5. a 14 yr old boy brought to physician with complaints of decreased appetite and vague abdominal pain for 3 weeks. his mother says that during the same time he has withdrawn himself from everyone and sleeps constantly. he describes his symptoms vaguely,physical exam-normal.most critical for physician to obtain information about?
a-family history of affective disorder
b-suicidal thoughts
c-school history
d-developmental history

6- 25 yr old with 6 mo ammenorhea. h/o normal childbirth 2 yrs ago.serum fsh and lh increased.reason?
a-adrenal insufficiency
b-chronic illness
c-major depressive disorder
d-pituitary insufficiency
e-primary ovarian failure.

Last edited by praru; 11-28-2015 at 09:30 AM.
Reply With Quote Quick reply to this message
  #11  
Old 11-28-2015
USMLE Forums Scout
 
Steps History: Not yet
Posts: 34
Threads: 5
Thanked 7 Times in 7 Posts
Reputation: 17
Default

According to uworld..person wd SrY gene defect is genotypicaly male but phenotypicaly female..
Reply With Quote Quick reply to this message
The above post was thanked by:
praru (11-28-2015)
  #12  
Old 11-28-2015
USMLE Forums Scout
 
Steps History: Not yet
Posts: 34
Threads: 5
Thanked 7 Times in 7 Posts
Reputation: 17
Default

6 E
Premature ovarian failure causes early menopause nd hence the increased fsh nd lh..
Reply With Quote Quick reply to this message
The above post was thanked by:
praru (11-28-2015)
  #13  
Old 11-28-2015
USMLE Forums Scout
 
Steps History: 1 + CK
Posts: 60
Threads: 12
Thanked 12 Times in 10 Posts
Reputation: 22
Default

Quote:
Originally Posted by faisalm View Post
6 E
Premature ovarian failure causes early menopause nd hence the increased fsh nd lh..
But the option e says- primary ovarian failure. which is not possible in this case as she already gave birth to a baby.
Reply With Quote Quick reply to this message
  #14  
Old 11-28-2015
USMLE Forums Scout
 
Steps History: Not yet
Posts: 34
Threads: 5
Thanked 7 Times in 7 Posts
Reputation: 17
Default

They both r the same thing..nd it can occur anytime before age 40 cox of depletion of eggs..
Reply With Quote Quick reply to this message
The above post was thanked by:
praru (11-29-2015)
  #15  
Old 11-29-2015
USMLE Forums Scout
 
Steps History: 1 + CK
Posts: 60
Threads: 12
Thanked 12 Times in 10 Posts
Reputation: 22
Default

Quote:
Originally Posted by faisalm View Post
They both r the same thing..nd it can occur anytime before age 40 cox of depletion of eggs..
thanks a lot. could you help me with rest of my doubts.
Reply With Quote Quick reply to this message



  #16  
Old 11-29-2015
USMLE Forums Scout
 
Steps History: Not yet
Posts: 18
Threads: 1
Thanked 7 Times in 7 Posts
Reputation: 17
Thumbs Up

All the very best!!
Reply With Quote Quick reply to this message
The above post was thanked by:
praru (11-29-2015)
  #17  
Old 11-29-2015
USMLE Forums Scout
 
Steps History: Not yet
Posts: 34
Threads: 5
Thanked 7 Times in 7 Posts
Reputation: 17
Default

No prblm..
Sorry dont thm too..otherwise would have answered..still in my preparatry phase..
Reply With Quote Quick reply to this message
The above post was thanked by:
praru (11-29-2015)



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
NBME improvement ...exam in 5 weeks Kaizen USMLE Step 1 Forum 8 02-13-2015 03:51 AM
EXAM in 2 weeks - NBME 12- 400 joset2 USMLE Step 1 Forum 3 04-20-2014 04:19 PM
NBME 11 Exam in 3 weeks littlecrasper USMLE Step 1 Forum 1 10-22-2013 04:33 PM
191 on NBME 12 (exam in two weeks) :( stayhuman USMLE Step 1 Forum 6 09-09-2013 04:29 PM
200 on nbme 11, exam in 3 weeks haaris USMLE Step 1 Forum 6 08-29-2013 04:52 PM

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)