mytime
Kick my butt!
Topics: 39
Posts: 3,173
| | 03/02/07 - 11:34 AM
| #1026 |
 NNL..... u think i need sugar, ME? The EPITOME of sweetness?!  
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| new_n_lost
Politically InCorrect
Topics: 654
Posts: 6,112
| | 03/02/07 - 02:20 PM
| #1027 |
Thats y i said u need some ghat questions to balance ur SWEETNESS !!!!!!!!!!!!!!!!!
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FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."
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| aim99
Forum Newbie
Topics: 1
Posts: 156
| | 03/02/07 - 03:36 PM
| #1028 |
nnl: thanks buddy for liking my avatar.
mytime: u're so sweet - i think we should start calling u sweetie.........
hey guys, have u checked indi's avatar? indi: u couldn't find anything scarier??
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Even luck is choosy........it chooses the hard working people!
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/02/07 - 05:46 PM
| #1029 |
mytime wrote:
The EPITOME of sweetness?!
ahem!! ahem!!
ahem!! ahem!! 
fr the sake of my own safety... no comments
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/02/07 - 07:15 PM
| #1030 |
Two separate tissue culture preparations are taken.. In the first one, a live tissue specimen taken from a human liver is incubated. In the 2nd one , a live specimen taken from human quadriceps femoris is incubated...
A continuous infusion is started to keep the surroundings of the culture preparations exactly the same as in normal in vivo homeostasis..
The rates of glycogen synthesis in both preparations are monitored.. A graph is plotted (after callibrating the zero of both curves near each other) which shows the rate of glycogen synthesis along y axis n time along x axis..
If the following substances are added separately,one by one in bolus to both the solutions at time X (shown as thick green line).. which of the following curves will represent the changes in the plots for the liver (shown in red color) and quadriceps tissue (shown in blue color)? Please neglect any accumulation of waste products and assume that each substance is added after eliminating the effects of the previous one.
Substances added are:-
1) 200 grams Glucose
2) 40 IU insulin
3) 40 IU glucagon
4) 40 IU epinephrine
5) solution wth 2 mmol/l of ionised calcium.
Attached Files:
graphs.JPG (31 KB, 37 downloads)
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/02/07 - 07:18 PM
| #1031 |
Basically, u have to tell what happens in the 5 different situations guys... so 5 answers..
n mytime, focus n nnl..if u guys getit wrong.. u r getting punishment.. coz i spent abt 1/2 an hour explaining this concept
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| new_n_lost
Politically InCorrect
Topics: 654
Posts: 6,112
| | 03/02/07 - 09:39 PM
| #1032 |
A = B
B = B
C = E
D = H
E = G
Edited by new_n_lost on 03/03/07 - 02:39 PM
___________________
FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."
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| keepgoing
Forum Guru
Topics: 71
Posts: 1,825
| | 03/03/07 - 02:20 AM
| #1033 |
Oh god indi seems forgotten biochem
1.d?
2.b
3.a
4.h
5.g
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"God be with me "
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| focusmle
Forum Guru
Topics: 0
Posts: 284
| | 03/03/07 - 05:08 AM
| #1034 |
Thinking of all the crazy things you guys might want me to do......i hope i get them rt
1. B
2. B
3. E
4. H
5. A
Edited by focusmle on 03/03/07 - 09:39 AM
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/03/07 - 08:45 AM
| #1035 |
 focus changed an answer focus changed an answer.. CAUGHT YA!!!!
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| focusmle
Forum Guru
Topics: 0
Posts: 284
| | 03/03/07 - 09:30 AM
| #1036 |
yeah pal i realised it was a tissue culture and changed an ans then. Thanks for your kind observation
Edited by focusmle on 03/03/07 - 09:40 AM
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| mytime
Kick my butt!
Topics: 39
Posts: 3,173
| | 03/03/07 - 09:49 AM
| #1037 |
Hey my ans. are same as focus and no cheating coz i don't know where she is!!!!!!!! And am waiting for her. except for the last which i chose as G. I think Focus had a big slip of finger and I of my eye!
Edited by mytime on 03/03/07 - 11:35 AM
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/03/07 - 07:39 PM
| #1038 |
ok everybody.. i m gonna extend the Q further...
Part-2 same situation... same graphs.. but this time.. what if we r monitoring rate of glycogen breakdown??
Plz post ur answers like this..
Part 1- (glycogen synthesis)... 5 answers
Part 2- (glycogen breakdown)... 5 answers
Will post my answers on monday night at my end.. so get ur entries in..
PS- there hv been 19 downloads n only 5 tries??? where r the silent ones??
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| aim99
Forum Newbie
Topics: 1
Posts: 156
| | 03/04/07 - 12:03 PM
| #1039 |
firstly, i think that was a very good Qs. my responses are as follows:
Part I - Glycogen synthesis:
1.D
2.B
3.E
4.H
5.G
Part II - Glycogen breakdown:
1.A
2.H
3.D
4.B
5.C
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Even luck is choosy........it chooses the hard working people!
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/04/07 - 01:29 PM
| #1040 |
just lemme know when to post the answers... will check again 2moro..
Hope everyone who wanted to try it hs tried..
KG.. 2moro evening.. so do the 2nd part soon.
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| keepgoing
Forum Guru
Topics: 71
Posts: 1,825
| | 03/05/07 - 01:34 AM
| #1041 |
ok indi for glycogen breakdown..my ans are as...
1.b
2.a
3.d
4.b
5.c
  i do need to work more harder
well provide ur ans soon...
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/05/07 - 05:53 AM
| #1042 |
Will wait fr a lil time KG.. fr others to try.. only 2 ppl saw the 2nd part n tried it. So, waiting till the night..
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| mytime
Kick my butt!
Topics: 39
Posts: 3,173
| | 03/05/07 - 07:12 AM
| #1043 |
I'm gonna try the second half a bit later but when u post the ans. let me know so i can post some qs. too. My turn now, I suppose!
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| mytime
Kick my butt!
Topics: 39
Posts: 3,173
| | 03/05/07 - 09:24 AM
| #1044 |
1. A if it's just abt. gluc effect E if it's abt. glyocogen not breaking down.
2. H
3. D.
4. B
5. C.
Edited by mytime on 03/05/07 - 10:37 AM
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| focusmle
Forum Guru
Topics: 0
Posts: 284
| | 03/05/07 - 09:24 AM
| #1045 |
Part 2 (Glycogen Breakdown)
1. E
2. H
3. D
4. B
5. A
will be waiting for your answers Indidoc.
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/05/07 - 10:26 AM
| #1046 |
ok... answer time!!! answer time!!
Part 1- glycogen synthesis-
1-D Glucose activates LIVER glycogen synthase ONLY
2-B Most got this one right
3-E Gucagon effects r seen IN LIVER ONLY
4-H Most got this one right too
5-A Calcium has NO EFFECT ON GLYCOGEN SYNTHASE.. It activates glycogen phosphorylase in muscle but that not to be considered here becoz in vitro, the 2 processes of glycogen synthesis n breakdown proceed TOTALLY INDEPENDENT of each other.. Change in 1 WILL NOT AFFECT THE OTHER in vitro... it does in vivo becoz global control parameters change (this ws the reason i framed this Q as culture situation)
PART 2- Glycogen breakdown
1-A Glucose has NO EFFECT on glycogen breakdown
2-H Most got this one right
3-D again.. Glucagon---liver
4-B. Right fr most
5-C Inc Ca is indicator fr contraction n activates MUSCLE glycogen phosphorylase.
Kudos to Z99 fr getting the max correct 9/10 The new avatar's working fr u.. n u r in top form..
Penalty points fr focus fr 2 changes in answers.. esp after discussing wth me
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/05/07 - 10:31 AM
| #1047 |
Friends, i hd also posted 2 gen path Qs in path forum.. here they r..
Many drugs that are used to treat cancer cause death
of tumor cells by apoptosis. Mutational inactivation of
which of the following genes can render tumor cells resist-
ant to the effects of such chemotherapeutic drugs?
(A) bcl-2
(B) p53
(C) NF-k B
(D) P450
(E) Granzyme B
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/05/07 - 10:32 AM
| #1048 |
A renal biopsy is performed on a 33-year-old female
who has had increasing renal failure for the past week.
Which of the following changes seen with electron micros-
copy most likely suggests a diagnosis of acute tubular
necrosis?
(A)Mitochondrial swelling
(B) Plasma membrane blebs
(C) Chromatin clumping
(D) Nuclear fragmentation
(E) Ribosomal disaggregation from endoplasmic reticu-
lure
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/05/07 - 10:34 AM
| #1049 |
Fr ans n explanations.. plz check..
http://www.prep4usmle.com/forum/thread/49982
&
http://www.prep4usmle.com/forum/thread/49983
___________________
"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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| indidoc1
Forum Guru
Topics: 50
Posts: 978
| | 03/05/07 - 10:40 AM
| #1050 |
Hmm.. the thread's all urs.. MT.. post ur Qs..
Its ur time, mytime
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"Whether you think you can or whether you think you can't, you're right!" ~ Henry Ford
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