Discussion of ASDA papers...

[Kash]

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Hi Everyone,

I was thinking of starting this thread where everyone can discuss questions and answers from asda papers and use the test booklet numbers for reference... Therefore, if there are any corrections to be made...it would get easier for everyone to follow up rather than going all over the forum for questions from released papers...
And moreover it would keep the forum organized...

I hope everyone agrees with me.
Thanks

 

[Maisa]

Hi;

How can i get the ASDA papers? please, let me know i'm taking the NBDE part I next november.

Thank you

 

[Kash]

You can try ebay .... there are lot of people selling there stuff who are done with there exams...

 

[Kash]

The neurons of the central nervous system that innervate muscles derived from branchial arches are found in which of the following nuclei?
1. Nucleus ambiguus
2. Hypoglossal nucleus
3. Superior salivatory nucleus
4. Dorsal motor nucleus of X
5. Nucleus of edinger westphal

The answer given is 1.
Why it cant be Superior salivatory nucleus as its for CN VII and innervates muscles of facial expression, stylohyoid, stapedius, post. belly of diagastric.

Please help....😕

 

[d dimps]

The neurons of the central nervous system that innervate muscles derived from branchial arches are found in which of the following nuclei?
1. Nucleus ambiguus
2. Hypoglossal nucleus
3. Superior salivatory nucleus
4. Dorsal motor nucleus of X
5. Nucleus of edinger westphal

The answer given is 1.
Why it cant be Superior salivatory nucleus as its for CN VII and innervates muscles of facial expression, stylohyoid, stapedius, post. belly of diagastric.

Please help....😕

Explanation to this question is:
This nucleus lies dorsal and lateral to the inferior olive. Cells in nucleus ambiguus contain motor neurons associated with three cranial nerves (rostral pole =C.N. IX=glossopharyngeal; middle part =C.N. X=vagus; caudal pole =C.N. XI=spinoaccessory). Axons arising from nucleus ambiguus pass laterally and slightly ventrally to exit the medulla just dorsal to the inferior olive. These axons then course with the three cranial nervesIX (glossopharyngeal), X (vagus) and XI (spinoaccessory)to innervate the striated muscles of the soft palate, pharynx, larynx, and upper part of the esophagus. Since these muscles have developed embryologically from branchial arches 3, 4 and 5, the cells that innervate them are called branchiomotor

 

[Kash]

Explanation to this question is:
This nucleus lies dorsal and lateral to the inferior olive. Cells in nucleus ambiguus contain motor neurons associated with three cranial nerves (rostral pole =C.N. IX=glossopharyngeal; middle part =C.N. X=vagus; caudal pole =C.N. XI=spinoaccessory). Axons arising from nucleus ambiguus pass laterally and slightly ventrally to exit the medulla just dorsal to the inferior olive. These axons then course with the three cranial nervesIX (glossopharyngeal), X (vagus) and XI (spinoaccessory)to innervate the striated muscles of the soft palate, pharynx, larynx, and upper part of the esophagus. Since these muscles have developed embryologically from branchial arches 3, 4 and 5, the cells that innervate them are called branchiomotor

Thanks for the answer....i got confused with facial nerve innervating the muscles but that was not the sup.salivatory nucleus...but the main motor nucleus....

 

[Kash]

The concentration of which of the following amino acids can be used to determine whether or not dentin has contaminated a purified enamel preparation?
1. Lysine
2. Proline
3. Hydroxyproline
4. Phosphotyrosine
5. Phosphoserine

Ans:- Hydroxyproline.

Can someone please explain the answer.

Thanks

 

[hopekeepsmegoin]

The concentration of which of the following amino acids can be used to determine whether or not dentin has contaminated a purified enamel preparation?
1. Lysine
2. Proline
3. Hydroxyproline
4. Phosphotyrosine
5. Phosphoserine

Ans:- Hydroxyproline.

Can someone please explain the answer.

Thanks

Thats because, dentin has collagen and namel doesnt.Enamel is 96%inorganic and 3% water.It differs from dentin and cementum by in 2 ways-presence of cells in mature tissue,and collagen in its organic matrix.And hydroxy proline is one of the constituents of collagen(alo)ng with glycine, proline,alanine,hydroxylysine.

 

[Kash]

Thats because, dentin has collagen and namel doesnt.Enamel is 96%inorganic and 3% water.It differs from dentin and cementum by in 2 ways-presence of cells in mature tissue,and collagen in its organic matrix.And hydroxy proline is one of the constituents of collagen(alo)ng with glycine, proline,alanine,hydroxylysine.

I was thinking why the answer could not be proline...

 

[Shoaibhakemi]

Hi, I was wondering if anybody knows where can i find the ASDA paper on the internet, can any one help me plzz?/

 

[26032005ful]

can anyone share asda released testlet N - PLZ?

 

[drpreity]

can anyone share asda released testlet N - PLZ?

hey.. .
do u hv a- m series of asda papers wid u..
frm whr u got...
can u send it to me..
my email id id [email protected] or tell me frm whr i cn get it..
i hv hard copy of N series ... ll scan n send u.. temme ur email id...
thanx..
hope v help each other...

 

[billys]

Iron porphyrin protein structures are components of

1.myoglobin
2.b vit
3.hemoglobin
4.cytochromes
5.pyridine dinucleotides

ans is 4, however it can be four too.

any explanantions?

 

[vkgbpl]

which of the following could be benefecial in reducing edema in the arms of women who have had radical mastectomy with removal of axial lymph nodes
a. hypertensive drugs
b. avoidance of all diuretic agents
c. increased interstitial oncotic pressure
d. decrease interstitial hydrostatic pressure
e. administration of plasma volume expanders

ans.is e..

can anyone kindly explain this..

 

[Amreki]

a. hypertensive drugs
b. avoidance of all diuretic agents
c. increased interstitial oncotic pressure
d. decrease interstitial hydrostatic pressure
e. administration of plasma volume expanders


sure i'll give it a shot.

a) hypertensive drugs --> this one i couldn't eliminate off the bat, just because thiazide diuretics are used to treat hypertension, BUT we also use vasodilators. vasodilators would Increase edema.

b) avoidance of all diuretic agents --> diuretic agents would help keep the ECF levels down. avoidance wouldn't help decrease edema.

c) increased interstitial oncotic pressure --> oncotic pressure = "pull" effect. an increase in the tissue's ability to "pull" liquid from capillaries means theres More edema.

d) decrease interstitial hydrostatic pressure --> hydrostatic pressure = "push" effect. a decrease in the tissues ability to "push" liquids back to the capillaries means there will be More edema.

e) administration of plasma volume expanders --> this would help push the fluid in the tissues into the plasma. it wouldnt get rid of excess fluid, but it will decrease the amount of edema in the arms. instead of edema just at the arms, the excess fluid will be taken up by plasma throughout the body. therefore, this is the right answer as it will directly reduce the symptoms the patient is suffering from


well, thats what i was thinking when i read the question.

 

[taurus88]

what scores should one be aiming for on the asda test packets for NBDE part I? i understand that each question is weighted differently , but just to get an idea? please let me know asap . thanks