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Kaplan Qbank USMLE



Author11 Posts
  #1


A 42-year-old woman comes to the physician for an annual pelvic examination and Pap smear. Over the past year, she has had increasing fatigue and difficulty sleeping. She has two children who both attend college. She is currently looking for part-time work outside the home. Her husband has been busy in a new start-up business. Examination shows no abnormalities. Laboratory studie
s show:

Hemoglobin 15 g/dL
Mean corpuscular volume 95 μm3
Leukocyte count 6000/mm3 with a normal differential
Serum
Na+ 145 mEq/L
Cl– 102 mEq/L
K+ 4.5 mEq/L
HCO3– 25 mEq/L
Urea nitrogen (BUN) 18 mg/dL
Creatinine 1.0 mg/dL
Alkaline phosphatase 70 U/L
Aspartate aminotransferase
(AST, GOT) 22 U/L
Alanine aminotransferase
(ALT, GPT) 19 U/L
γ-Glutamyltransferase
(GGT) 83 U/L
(N=5–50 U/L)

Which of the following is the most likely explanation for this patient's laboratory abnormalities?

A
) Acetaminophen

B

) Alcohol

C
) Diphenhydramine

D
) Estrogen effect

E
) Ibuprofen




  #2

GGT , ALK PHO are elevated but normal transaminases !!!




  #3

B. she drinks alcohol ! that causes isolated gamma GT elevation

  #4

elevated GGT alone can be one of the initial findings in alcoholics

it could be

___________________
Any time something is written against me, I not only share the sentiment but feel I could do the job far better myself.

  #5

but the transaminases r not elevated


  #6

The AST and ALT could be or could be not increase in alcoholics! If there is not cellular destruction AST /ALT are normal.
GGT can be used to screen for chronic alcohol abuse (it will be elevated in about 75% of chronic drinkers).


  #7

Not required Jojo... occasional intake of alcohol can give u isolated elevations in GGT, its only when the liver cells gets considerably damaged u end up get elevations in the transminases, and this is usually seen with heavy drinking..

Relax jojo,I can see that you r stressed, which is quite normal at this time,but keep ur cool and dont allow the stress to take a toll ,coz this can have devastating effects during the exam..so be positive and be confident..Inshallah you will do well..

GLwink

___________________
"Obstacles are those frightful things you see when you take your EYES off your goal."

  #8

B) Alcohol





  #9

B, alcohol

GGT increased, always think Alcohol first unless have other clear evidence

___________________
The Key to Succeed is Patience.

  #10

thanx all ,

ya that is true this final days i am so stressed

but plz be with me all when i need an answer for any qs sad


  #11

Itz B d/t alcohol intake.

___________________
If u want to do something, do it today as there is no tomorrow.







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