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

#1
03-18-2014
 USMLE Forums Addict Steps History: Not yet Posts: 158 Threads: 31 Thanked 35 Times in 33 Posts Reputation: 45
Lung Volume Question

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#2
03-18-2014
 USMLE Forums Guru Steps History: CS Only Posts: 335 Threads: 25 Thanked 100 Times in 81 Posts Reputation: 110

Quote:
 Originally Posted by dwijeshsheth Hey can someone please help me how to understand this question. I think I'm retarded.
u r not retarded.
they both dont start at time zero but 1 seconds,
look for the values of the first one at time t=2 for A 1L is left so fev1/fev= 4/5=80
for B = (5-3.5)/(5-2) which is 1.5/3=50
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 The above post was thanked by: dwijeshsheth (03-18-2014)
#3
03-18-2014
 USMLE Forums Addict Steps History: Not yet Posts: 158 Threads: 31 Thanked 35 Times in 33 Posts Reputation: 45

Thank you so much!!!!!!

The explanations in Qbank make it seem so difficult and I don't think they mentioned it starts at 1 second.

Again thanks a lot Dr. KG.

#4
03-18-2014
 USMLE Forums Guru Steps History: CS Only Posts: 335 Threads: 25 Thanked 100 Times in 81 Posts Reputation: 110

Quote:
 Originally Posted by dwijeshsheth Thank you so much!!!!!! The explanations in Qbank make it seem so difficult and I don't think they mentioned it starts at 1 second. Again thanks a lot Dr. KG.
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