nbme doubts - 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 10-28-2014
USMLE Forums Scout
 
Steps History: Not yet
Posts: 14
Threads: 9
Thanked 2 Times in 2 Posts
Reputation: 12
Default nbme doubts

Q1 diagram of pathway of AA synthesis. enxymes are letters and intermediates are numbers. compound 5 regulates which enzyme?
1 ---> 2 --->3 --->4 --->5
a b c d


then theres a 'e' and 'f' also. anybody remember this ques kindly answer ans explain plz


Q2 68 yr old man with 6 wk history of fatigue, diff concentrating, increased appetite and increased need for sleep. 2.3 kg weight gain present. reports several days of missing work and not attending church during the past 3 weeks because he is tired.10 yr history of type 2 DM on oral meds.drinks 1-2 beers on weekends but no drug use. HbA1c 10.6% glucose- 220 mg/dl. reason for lack of glycemic control?

adjustment reaction with depressed mood
delirium
alzheimer dementia
major depressive disorder
multi infarct dementia
schizophrenia
sleep apnoea


Q3 23 yr old man with diff maintaing an erection. had an RTA that damaged thoracic spinal cord affecting motor and sensory function of lower trunk. right now can get erection only through physical contact from wife and not for a long time. best explanation for this is presence of reflex arc between his spinal reflex arc and which of following?

genitofemoral nerves
ilioinguinal nerves
lumbosacral nerves
obturator nerves
pudendal nerves


Q4 75 yr old man with low back pain. rectal examn shows enlarged prostate. serum studies shows elevated PSA levels. xray shows blastic lesions in the vertebrae s/o metastasis. patient undergoes vertebroplasty and lesion is sent for biopsy. histo exam of specimen will show what?


aggregates of proliferating plasma cells and plasmablasts
nests of epithelial cells joined by intercellular bridges and keratin pearls
pleomorphic epithelial cells forming duct like structures
sheets of small oval to spindle basophillic cells
sheets of uniform cells divided into lobules by fine fibrous septa containing lymphocytes



Q5 a mouse melanoma B16 is highly metastatic. a clone of B16 cells are injected into tail vein of mice and 3 weeks later are found in the liver,lungs and ovaries. when an antibody to a liver cell surface antigen is injected prior to injection of melanoma cells, formation of tumour nodules are only found in lungs and ovaries. there is no cytotoxic effect of the antibody to the liver cells. which of the following processes is most likely to be affected by this antibody?

homing
initiation
invasion
motility
progression
promotion


Q6 which of the following cancer type and tumor antigen is most likely to produce highest antibody titer?
Cancer type Tumor antigen
B cell lymphoma CD19
breast ca HER2neu
cervical ca HPV 16 E6
melanoma tyrosinase
prostate ca prostatic acid phosphatase



Q7 female is delivered at 34 weeks. diagnosis of primary pulm hypertension is made. considering that methemoglobinemia can be monitored which of the following is the appropriate therapy?

desflurane
hyperbaric O2
nitric oxide
nitrous oxide
O2 diluted with helium
Reply With Quote Quick reply to this message



  #2  
Old 10-29-2014
USMLE Forums Addict
 
Steps History: Not yet
Posts: 165
Threads: 14
Thanked 28 Times in 23 Posts
Reputation: 38
Default

Quote:
Originally Posted by shaunakdgr8 View Post
Q1 diagram of pathway of AA synthesis. enxymes are letters and intermediates are numbers. compound 5 regulates which enzyme?
1 ---> 2 --->3 --->4 --->5
a b c d


then theres a 'e' and 'f' also. anybody remember this ques kindly answer ans explain plz


Q2 68 yr old man with 6 wk history of fatigue, diff concentrating, increased appetite and increased need for sleep. 2.3 kg weight gain present. reports several days of missing work and not attending church during the past 3 weeks because he is tired.10 yr history of type 2 DM on oral meds.drinks 1-2 beers on weekends but no drug use. HbA1c 10.6% glucose- 220 mg/dl. reason for lack of glycemic control?

adjustment reaction with depressed mood
delirium
alzheimer dementia
major depressive disorder
multi infarct dementia
schizophrenia
sleep apnoea


Q3 23 yr old man with diff maintaing an erection. had an RTA that damaged thoracic spinal cord affecting motor and sensory function of lower trunk. right now can get erection only through physical contact from wife and not for a long time. best explanation for this is presence of reflex arc between his spinal reflex arc and which of following?

genitofemoral nerves
ilioinguinal nerves
lumbosacral nerves
obturator nerves
pudendal nerves


Q4 75 yr old man with low back pain. rectal examn shows enlarged prostate. serum studies shows elevated PSA levels. xray shows blastic lesions in the vertebrae s/o metastasis. patient undergoes vertebroplasty and lesion is sent for biopsy. histo exam of specimen will show what?


aggregates of proliferating plasma cells and plasmablasts
nests of epithelial cells joined by intercellular bridges and keratin pearls
pleomorphic epithelial cells forming duct like structures
sheets of small oval to spindle basophillic cells
sheets of uniform cells divided into lobules by fine fibrous septa containing lymphocytes



Q5 a mouse melanoma B16 is highly metastatic. a clone of B16 cells are injected into tail vein of mice and 3 weeks later are found in the liver,lungs and ovaries. when an antibody to a liver cell surface antigen is injected prior to injection of melanoma cells, formation of tumour nodules are only found in lungs and ovaries. there is no cytotoxic effect of the antibody to the liver cells. which of the following processes is most likely to be affected by this antibody?

homing
initiation
invasion
motility
progression
promotion


Q6 which of the following cancer type and tumor antigen is most likely to produce highest antibody titer?
Cancer type Tumor antigen
B cell lymphoma CD19
breast ca HER2neu
cervical ca HPV 16 E6
melanoma tyrosinase
prostate ca prostatic acid phosphatase



Q7 female is delivered at 34 weeks. diagnosis of primary pulm hypertension is made. considering that methemoglobinemia can be monitored which of the following is the appropriate therapy?

desflurane
hyperbaric O2
nitric oxide
nitrous oxide
O2 diluted with helium
2.)Depression

3.)pudendal nerve coz stimulation of the anogenital region.
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
nbme 15 doubts s rag USMLE Step 1 Forum 1 10-17-2014 09:04 AM
NBME 6 doubts drss90 USMLE Step 2 CK Forum 0 08-18-2013 01:21 PM
nbme 12 doubts!! help pls!!! sruthi USMLE Step 1 Forum 0 09-28-2012 08:51 AM
NBME form 3 doubts... wsams USMLE Step 1 Forum 4 03-13-2012 03:26 AM
NBME 7 doubts wsams USMLE Step 1 Forum 1 03-05-2012 07:09 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)