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dentgod

dentgod

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what is the sinus thats located below the sella turcica?

everything wud cause bleeding except?
increased systolic bld pressure
hypokalemia
cigarette smoking
decreased thrombaxane

if the pt is given the 115mg per ml of inulin, when the plasma concn of inulin is 0.1 mg/ml, whats the gfr?
115 mg/ml
0.1mg/ml

anybody pls state the ans with the explanation. thank you
 
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maxillary and mandibular movement ques
can anyone clear up how to do th mandibular and maxillary molar and premolar arrow ques,where we need to identify th workin n non working side,for sum reason i'm not getting my answers rite .i think i'm makin mistake identifying th side of teeth.
http://forums.studentdoctor.net/showthread.php?t=661460
i tried refering to this thread bt still not gettin it rite,plz help 😕
 
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pbkal said:
greater petrosal nerve carries gustatory(taste)fibers to the palatal mucosa-general visceral afferent fibers and
parasympathetic fibers.
pls correct if im wrong...
Click to expand...
thnks pbkal,can u share ur source of info coz in kaplan i'm not getting explanation for this choice .i didnt luk up in wikipedia.
 
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pbkal said:
10.cushin syndrom is charecterize by which of the followin condidtion EXCEPT one :
a. increased protein anabolism (answer)
b.hyperkalemia
c. hypertension

the question says which is NOT a feature of cushings syndrome.and the ans is hyperkalemia.
i gave the explanation saying that cushing syndrome causes hypokalemia.
i hope im clear this time....
Click to expand...
hey pbkal,
thank you for the explanation.
 
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please can anyone answer amd explain this....

where are neonatal lines present??

1---enamel of pri incisors

2---enamel of perm canines

3---enamel of perm molars

4----dentin of perm mandi incisors

5----dentin of per molars...
 
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docmhv said:
please can anyone answer amd explain this....

where are neonatal lines present??

1---enamel of pri incisors.................................answer

2---enamel of perm canines

3---enamel of perm molars

4----dentin of perm mandi incisors

5----dentin of per molars...
Click to expand...
the enamel of the deciduos teeth develops partly before and partly after birth.the boundary between two portions of enamel in the deciduos teeth is marked by an accentuated incremental line of retzius or neonatal line or neonatal ring.it appears to be result of abrubt change in environment and nutrition of the newborn infant.
 
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hey guys,,,here is a question drivin me nuts !!

which of the followin represents the correct size and characteristic of a nerve
fiber that conduct sensory input of pain from the oral-facial region ?

a. large diameter myelinated
b.small diameter myelinated
c.small diameter unmyelinated
d. large diameter unmyelinated

according to the asda answer is (c).......... but isnt it suppose to be small myelinated since its gona be faster in transmittin the impulse !!! or what i mean with myelinated its suppose to go fater to transmit the pain ??? or how !! can some one clarify this pls !!!!!!!!!!!
 
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wadent said:
hey guys,,,here is a question drivin me nuts !!

which of the followin represents the correct size and characteristic of a nerve
fiber that conduct sensory input of pain from the oral-facial region ?

a. large diameter myelinated
b.small diameter myelinated
c.small diameter unmyelinated
d. large diameter unmyelinated

according to the asda answer is (c).......... but isnt it suppose to be small myelinated since its gona be faster in transmittin the impulse !!! or what i mean with myelinated its suppose to go fater to transmit the pain ??? or how !! can some one clarify this pls !!!!!!!!!!!
Click to expand...
I think the answer should be the coice B, becoz of the above said reasons by you match them perfect !
 
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Which of the following is the most common cause of intracapsular restraint of mandibular movement?
A) Infection
B) Ankylosis
C) Disc interferences disorders
 
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hey dent good,, yeah me too i think it should be (B) thats what i thought first !!!! well iam sure its (B) but what if i have this question in exam ill do it as (c)????? such things r realllllllllllly not good,,, ... thankd dentgood for ur reply !!!
take care..
can some one else agree with us ??????
 
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confused wit this choices..plz smebody help us..

Next Question
Rapid heat tranfer sterilization provides:
A)A very fast cycle time
B)no dulling of cutting edges
C)Dry instru after cycle
D)All of the above
 
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Prettyindia said:
Thank you pb2007
Rapid heat sterilization will cause dulling of cutting edges rt?
Click to expand...
dri heat and ethyleneoxide are used wen sharp edges are important to maintain.
autoclave tends to dull or corrode sharp edges especially carbide steel.
for more info refer to kaplan notes chap 2 in micro .
 
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wadent said:
hey guys,,,here is a question drivin me nuts !!

which of the followin represents the correct size and characteristic of a nerve
fiber that conduct sensory input of pain from the oral-facial region ?

a. large diameter myelinated
b.small diameter myelinated
c.small diameter unmyelinated
d. large diameter unmyelinated

according to the asda answer is (c).......... but isnt it suppose to be small myelinated since its gona be faster in transmittin the impulse !!! or what i mean with myelinated its suppose to go fater to transmit the pain ??? or how !! can some one clarify this pls !!!!!!!!!!!
Click to expand...
hi wadent ,i think ada key is correct ,its small diameter ,unmyelinated coz group C fibres are pain sensing nociceptors which r umyelinated n small .
check this link http://en.wikipedia.org/wiki/C_fiber
 
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thanks !!!

but here
C fibers are a type of axon that classifies its attached free nerve endings, which are pain-sensing nociceptors.[1] The other main classification of nociceptors is Aδ fibers.[1] These fibers have axons that are larger (1-5 μm), in diameter, are myelinated, and have a higher conduction velocity, which is on the order of about 20 m/s.[1]
 
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wadent said:
thanks !!!

but here
C fibers are a type of axon that classifies its attached free nerve endings, which are pain-sensing nociceptors.[1] The other main classification of nociceptors is Aδ fibers.[1] These fibers have axons that are larger (1-5 μm), in diameter, are myelinated, and have a higher conduction velocity, which is on the order of about 20 m/s.[1]
Click to expand...
now i'm myself confused abt th explanation ,this ques is drivin me crazy frm so many days n still th explanation is not correct,anyways i think i'l too jst mug it up in case its there on exm .
 
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hey goodluck,,how u doin buddy..
well thats what i was thinkin (B) but the asda chose c!!! how why ??? i dunno
 
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The correct answer is still C. I have seen that question and had the same doubt. So let me give you a hand with it. The pain fibers are two types. The first group are myelinated and responsible for the "quick pain" (you discussed them as Adelta) and the other group is for slow pain (unmyelinated) (group C). Now the question is asking you for the unmyelinated since they are the ones in the oral facial region which are abundant and actively pass the pain fibers. If they were asking you about the thoracic region - you have to choose B.

wadent said:
hey goodluck,,how u doin buddy..
well thats what i was thinkin (B) but the asda chose c!!! how why ??? i dunno
Click to expand...
 
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hey bombshell,,, well ok ...ur sayin c-fibers are unmylenated and they r slow pain,,,is that a feature of the oral facial region !!!!???????~!!!!!!! ,,i know its fast,,well thanks anyway..
 
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hey goodluck !
well its true i agree with u ,,,but asda says its small and unmylenated ,,just wonderin why !!!??? and how !
thanks
 
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goodluck29 said:
There must be mistake in either asda or in decks.some one correct this
Click to expand...
jst want to share this piece of info i found in 'monheim's local anesthesia and pain control in dental practice' .
a delta fibres r large myelinated n conduct fsat impluse .they r confined to the pregang autonomic fibres .no such fibres forund in dorsal roots ,therefore they hav no afferent function .so wer left with c fibres which r slow conducting small unmylinated .
which of the lesion is seen when facial nerve is cut right after its exit from stylomastoid foramen
1 ipsilateral loss of taste to anterior of the tongue
2 ipsilateral paralysis of facial muscles
malate aspartate shuttle
1]has one membrane carrier
2]transfers the elctrons of cytoplasmic NADH to mitochondria at a cost of one ATP molecule .
3]has similar role to glycerol 3 phosphate shutlle
4]transfers alpha ketoglutarate and aspartate across inner mitochondrial membrane via an antiport .
 
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Thanks for your reference.

malate aspartate shuttle
1]has one membrane carrier
2]transfers the elctrons of cytoplasmic NADH to mitochondria at a cost of one ATP molecule .
3]has similar role to glycerol 3 phosphate shutlle
4]transfers alpha ketoglutarate and aspartate across inner mitochondrial membrane via an antiport .[/QUOTE]
 
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pb2007...
thank u very very much for ur preference thanks.... also big thanks to goodluck29...iam reliefed
 
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wadent said:
pb2007...
thank u very very much for ur preference thanks.... also big thanks to goodluck29...iam reliefed
Click to expand...
thnks gudluck n wadent ,even i'm relieved ,this ques has ben bothering me frm so many days for want of reasonable explanation ,gudluck wat do u think abt my first ques on facial nerve .
 
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hey according to ur question i think its ( epsilateral paralyisis of facial muscles ) but not 100 percent sure !!!
 
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which of the lesion is seen when facial nerve is cut right after its exit from stylomastoid foramen
1 ipsilateral loss of taste to anterior of the tongue
2 ipsilateral paralysis of facial muscles-answer
 
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pbkal said:
which of the lesion is seen when facial nerve is cut right after its exit from stylomastoid foramen
1 ipsilateral loss of taste to anterior of the tongue
2 ipsilateral paralysis of facial muscles-answer
Click to expand...
thnks pbkal ,i hav few more ques
wat is trapeful m ....medial rectus ,lateral rectues ,superior oblique and inferior oblique.
medial rotator of arm??
which glucose not degraded in skeletalmuscle
 
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Thanks to wadent and pb2007.


which glucose not degraded in skeletalmuscle[/QUOTE]

which glusoce can you elobrate little bit? any options?
 
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goodluck29 said:
Thanks to wadent and pb2007.


which glucose not degraded in skeletalmuscle
Click to expand...

which glusoce can you elobrate little bit? any options?[/QUOTE]
sorry gudluck i dont hav options for this ,frm wat i hav read in kaplaN notes ,it says g6 pase is absent in muscles so muscle glycogen cannot serve as blood glucose .bt not sure if this is th answer
 
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pb2007 said:
which glusoce can you elobrate little bit? any options?
Click to expand...
sorry gudluck i dont hav options for this ,frm wat i hav read in kaplaN notes ,it says g6 pase is absent in muscles so muscle glycogen cannot serve as blood glucose .bt not sure if this is th answer[/QUOTE

G6P may be the answer but it can be degraded in glycolysis.
 
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medial rotator of arm??

pectoralis major,teres major,subscapularis.to a lesser extent-latissimus dorsi.
 
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can sumone explain the indiviual function of superior and inferior head of lateral pterygoid or do they work as a single unit .
if 5th nerve cut below medulla wat happens
a]loss of sensation of pain of same side
b]loss of sensation of pain ipsilateral
c]loss of propioception same side
d]loss of sense of proprioception opposite side

wat is sympathetic end organ
 
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need help with this ques
Which of the following statements is true?
The MORE the VERTICAL overlap, the TALLER the cusps MUST be
The MORE the HORIZONTAL overlap, the SHORTER the cusps MAY be
The LESS the VERTICAL overlap, SHORTER the cusps MUST be
The MORE the HORIZONTAL overlap, the TALLER the cusps MAY be
please explain the role of the words MUST and MAY in answering this question

plz help 😕
 
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Hello everybody, Some more questions!
From the facial view, which of the following repesents the distal aspect of the crown of Mandibular canine from the contact area to the cervical line?
irregular
convex
concave
straight
I think the answer for this is iiregular. correct me if needed.

When viewed sagitally, which of the following teeth long axes is least perpendicular to the occlusal plane?
Maxillary incisor
" premolar
mandibular "
mandibular 1 molar
" canine
Pls justify the answer with explanations
3.Smallest cusp of the mandibular 1 molar?
mesiobuccal
mesiolingual
distolingual-answer
distobuccal
but the wheelers page 312 says the answer is distobuccal.pls clarify
4.each of the following is the primary developmental cusp of the maxillary molar except one .which is the one?
mesiolingual
mesiobuccal
distolingual
distobuccal
cusp of carabelli
please explain
5. when viewing the maxillary 1 molar from the facial aspect all major cusps are seen except?
mesiobuccal
mesiolingual-answer
distobuccal
distolingual
but wheelers page 266 says all the 4 major cusps are seen from this view.Pls clarify
6. which of the following morphological variation could have worst prognosis for existing peiodontal disease?
fused roots
excessively long roots
amelogenesis imperfecta
shoveling trait in the central incisor
please explain the answers.
Correct me if I'm wrong.
 
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hey dentgod,,
well i agree with those answers ,,thats how i studies them in decks !!! wheeler okeson i dont have em !!
dont know what to tell u,,look even i bought the teth model its shows exactly what the decks says,,,
i dont know what to to tell u more !!
 
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pb2007 said:
need help with this ques
Which of the following statements is true?
The MORE the VERTICAL overlap, the TALLER the cusps MUST be
The MORE the HORIZONTAL overlap, the SHORTER the cusps MAY be-answer(not sure)
The LESS the VERTICAL overlap, SHORTER the cusps MUST be
The MORE the HORIZONTAL overlap, the TALLER the cusps MAY be
please explain the role of the words MUST and MAY in answering this question

plz help 😕
Click to expand...
would like confirmation....
 
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dentgod said:
Hello everybody, Some more questions!
From the facial view, which of the following repesents the distal aspect of the crown of Mandibular canine from the contact area to the cervical line?
irregular
convex
concave
straight-answer
I think the answer for this is iiregular. correct me if needed.

When viewed sagitally, which of the following teeth long axes is least perpendicular to the occlusal plane?
Maxillary incisor-answer
" premolar
mandibular "
mandibular 1 molar
" canine
Pls justify the answer with explanations
3.Smallest cusp of the mandibular 1 molar?
mesiobuccal
mesiolingual
distolingual-answer
distobuccal
but the wheelers page 312 says the answer is distobuccal.pls clarify
i go with distobuccal,becos lingual cusps r higher in mand 1st molar.
4.each of the following is the primary developmental cusp of the maxillary molar except one .which is the one?
mesiolingual
mesiobuccal
distolingual
distobuccal
cusp of carabelli
please explain
5. when viewing the maxillary 1 molar from the facial aspect all major cusps are seen except?
mesiobuccal
mesiolingual-answer
distobuccal
distolingual
but wheelers page 266 says all the 4 major cusps are seen from this view.Pls clarify
6. which of the following morphological variation could have worst prognosis for existing peiodontal disease?
fused roots
excessively long roots-answer
amelogenesis imperfecta
shoveling trait in the central incisor
please explain the answers.
Correct me if I'm wrong.
Click to expand...

pls correct if wrong....
 
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3.Smallest cusp of the mandibular 1 molar?
mesiobuccal
mesiolingual
distolingual
distobuccal -answer

if there is other option, answer will be distal cusp, mesiolingual is the highest cusp and then comes distolingual. DIstolingual is visible behind the disto buccal cusp , so it can not be the smallest.
 
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Replacement resorption is characterized by
->pain
->ankylosis
->apical pathosis
->rapid progression
->acute inflammation
 
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thank you wadent, pbkal n teethie for the replies! Please come forward n clarify the rest. As thhethis says, if there's been distal then the answer be that for the smallest cusp in the mandibular 1 molar.
Pbkal, I hope the answers are for sure! Be lemme know the changes! Thank you all once again.
 
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