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Solved Paper Of ENT test - Week 1

Test No: 001, Dated: 14th January 2012.    From : (GMT + 5, Time Zone), Pakistan.

Time Duration : 20 Mins, Total Marks: 10 x 1 = 10.

NB.  The Bold option of every BCQs is the Correct answer..

Answers: 

Q1: In paranasal sinuses, osteoma commonly involves:

A.   Frontal sinus

B.   Maxillary sinus

C.   Sphenoid sinus

D.   Ethmoid sinus 

  Q2: In Caldwell-Luc operation, entry into maxillary sinus is made through:

A.   Trans ethmoid approach

B.   Canine fossa

C.   Maxillary alveolus

D.   Middle meatal antrostomy 

  Q3.Which one of the following signs can be seen in herpangina?

A.  Splenomegaly and Hepatitis

B.  White-yellow nodules

C.  Vesicular Eruption

D.  Conjunctivitis 

  Q4. About tympanic membrane which 1 is correct:

A.  It is yellowish in color

B.  Middle fibrous layer is absent in pars flaccida

C.  Pars tensa is also called sharpnel’s membrane

D.  It is circular in shape

E.  The annulus is deficient inferiorly in pars tensa and is called notch of rivinus

  

  Q5. Causes of chronic hoarseness include all except:

A.  Laryngeal Web.

B.  Congenital Cyst

C.  L.Tuberculosis

D.  L.Diphtheria 

  Q6. Most common symptoms of laryngeal diseases are:

A.  Hoarseness and Dyspnea

B.  Stridor and Dyspnea

C.  Hoarseness and Stridor

D.  Pain and bleeding from larynx

 Q7.Select the correct statement regarding tonsils:

A.  Crypta Magna is derived from 1st pharyngeal pouch

B.  Fibrous bands between its capsule and bed enable easy dissection during tonsillectomy

C.  Tonsillar nodes are located at the supraclavicular region

D.  Paul-Bunnell Test is done to differentiate between tonsillitis and infectious mononucleiosis

Q8.Regarding external ear:

A.  Incisura Terminalis is usually approached for surgery of external auditory canal

B.  Temperomandibular joint lies inferior to external auditory meatus

C.  Tragus is supplied by the greater auricular nerve

D.  Bony part forms inner 1/3rd of the external auditory canal

E.  Outer part of external auditory canal is directed upwards,forwards and medially. 

Q9.Regarding antrochoanal polyp:

A.  It is due to allergy

B.  Usually unilateral

C.  Multiple in number

D.  Probe test is -ve

E.  Cutting snare is used for its removal

Q10.Regarding nasal polyp:

A.  Non-pedunculated swelling of nasal or sinus mucosa

B.  Caldwell-Luc's operations is indicated for ethmoidal polyp

C.  Ethmoidal polyps are usually solitary

D.  Antrochoanal polyps respond to conservative treatment only

E.  Usually insensitive to touch

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Solved paper of 1st Year MBBs - Biochemistry - Body Fluids - week 1

Lumhs Online Clinical Discussion Forum

Test No: 001, Dated: 14th January 2012.    From : (GMT + 5, Time Zone), Pakistan.

Time Duration : 20 Mins, Total Marks: 10 x 1 = 10.

NB.  The Bold option of every BCQs is the Correct answer..

1. About the buffer system

• a. It is the most effective system at pH values close to their pK.
• b. Prevents any change in hydrogen ion concentration when a strong acid is added
• c. Their buffering capability doesn't depend upon the dissociable group present in the buffer solution
• d. Work best when acid and base are in approximately equal concentration
• e. All the above.

2. Regarding colloids all statements are true, except?

• a. Are present in bile
• b. Don’t diffuse through animal membrane
• c. Cant exert osmotic pressured.
• d. Which prevents precipitation are called protective colloids
• e. Are the proteins and polysaccharides

3. Osmotic pressure is proportional to all, except?

• a. Temperature of the medium
• b. Size and charge of the particles
• c. Concentration of the solutes
• d. pH of the medium
• e. The number of the particles

4. Oncotic pressure of blood is the pressure exerted by?

• a. The diffusible colloid substances in plasma.
• b. The hemoglobin
• c. The protein present in interstitial fluid
• d. Crystalloid fraction of ECF.
• e. Albumin

5. Which one of the following functions, is correct, regarding buffers?

• a. They sometime exist in pair
• b. Buffering capacity of plasma proteins is more than Hb.
• c. They resist change of pH.
• d. Bicarbonate buffer is the most important extracellular buffer
• e. Kidney doesn’t contain any buffer

6. Concerning osmosis

• a. Hydrostatic pressure is produced
• b. Solvent is not permeable
• c. A solvent passes , from a solution 0f higher concentration to lower concentration
• d. Flow of particles is in both direction.
• e. None of the above

7. The relative viscosity of the serum is?

• a. 1.4-1.8
• b. 2.2-2.3
• c. 2.5-2.8
• d. 2.8-3.0
• e. 3.0-4.5

8. Important extracellular buffers are?

• a. proteins and bicarbonates
• b. acetate and bicarbonate
• c. phosphates
• d. chloride
• e. none of the above

9. At its isoelectric pH a protein

• a. posses free charge on the molecule
• b. is the least soluble in water
• c. can be separated by electrophoresis
• d. contains receptor for hormones
• e. it is primarily made up of lipid and protein

10. The pH of the blood is?

• a. 6.2-6.4
• b. 6.6-6.8
• c. 7.35-7.4
• d. 8.0
• e. 8.5

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ENT TEST - Introduction - WEEK 1

Lumhs Online Clinical Discussion Forum

Test No: 001, Dated: 14th January 2012.    From: (GMT + 5, Time Zone), Pakistan.

Time Duration: 20 Mins, Total Marks: 10 x 1 = 10.

NB. Answers should be written in a single comment,

For Example, 1D, 2B, 3C... 7A... 10C

Questions

  Q1: In paranasal sinuses, osteoma commonly involves:

A.   Frontal sinus

B.   Maxillary sinus

C.   Sphenoid sinus

D.   Ethmoid sinus 

  Q2: In Caldwell-Luc operation, entry into maxillary sinus is made through:

A.   Trans ethmoid approach

B.   Canine fossa

C.   Maxillary alveolus

D.   Middle meatal antrostomy 

  Q3.Which one of the following signs can be seen in herpangina?

A.  Splenomegaly and Hepatitis

B.  White-yellow nodules

C.  Vesicular Eruption

D.  Conjunctivitis 

Q4. About tympanic membrane which 1 is correct:

A.  It is yellowish in color

B.  Middle fibrous layer is absent in pars flaccida

C.  Pars tensa is also called sharpnel’s membrane

D.  It is circular in shape

E.  The annulus is deficient inferiorly in pars tensa and is called

notch of rivinus

  

  Q5. Causes of chronic hoarseness include all except:

A.  Laryngeal Web.

B.  Congenital Cyst

C.  L.Tuberculosis

D.  L.Diphtheria 

  Q6. Most common symptoms of laryngeal diseases are:

A.  Hoarseness and Dyspnea

B.  Stridor and Dyspnea

C.  Hoarseness and Stridor

D.  Pain and bleeding from larynx

 Q7.Select the correct statement regarding tonsils:

A.  Crypta Magna is derived from 1st pharyngeal pouch

B.  Fibrous bands between its capsule and bed enable easy dissection during tonsillectomy

C.  Tonsillar nodes are located at the supraclavicular region

D.  Paul-Bunnell Test is done to differentiate between tonsillitis and infectious mononucleiosis

Q8.Regarding external ear:

A.  Incisura Terminalis is usually approached for surgery of external auditory canal

B.  Temperomandibular joint lies inferior to external auditory meatus

C.  Tragus is supplied by the greater auricular nerve

D.  Bony part forms inner 1/3rd of the external auditory canal

E. Outer part of external auditory canal is directed upwards,forwards and medially. 

Q9.Regarding antrochoanal polyp:

A.  It is due to allergy

B.  Usually unilateral

C.  Multiple in number

D.  Probe test is -ve

E.  Cutting snare is used for its removal

Q10.Regarding nasal polyp:

A.  Non-pedunculated swelling of nasal or sinus mucosa

B.  Caldwell-Luc's operations is indicated for ethmoidal polyp

C.  Ethmoidal polyps are usually solitary

D.  Antrochoanal polyps respond to conservative treatment only

E.  Usually insensitive to touch

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Solved Paper Of Microbiology - Basic Bacteriology - Week 3

Test No: 002, Dated: 13th January 2012.    From : (GMT + 5, Time Zone), Pakistan.

Time Duration : 20 Mins, Total Marks: 10 x 1 = 10.

NB.  The Bold option of every BCQs is the Correct answer..

1) the maximum growth of bacteria occure in :

A. LAG phase

B. LOG phase

C. stationary phase

D. decline phase

E. death phase 

    2) bacteria has no cell wall :

 A. Saphylococci

B. Myobacterium

C. Rickettsia

D. Mycoplasma

E. Shigella 

   

   3) non essential component of bacteria is

 A. ribosome

B. nucleoid

C. periplasm

D. Granule 

  

   4) Wrong statment regarding bacterial capsule:

A. composed of polysaccharide in all bacteria

B.plays imp role in adherence

C. essential component

D. Both A and C

   5) correct statement in the following:

A. the peptidoglycan is thicker in G-ve

B.teichoic acids are present in G-ve bacteria

C.endotoxin is secreted by G+ve

D. G+ve bacteria stain violet in colour

   6) Bacterial surface structures that show antigenic diversity include all except :

A. pili

B. Capsule

C. Flagella

D. Peptidoglycan

   7) The folllowing bacteria is Extracellular G-ve bacteria

A. Streptococcus

B. Bacillus

C. Salmonella

D.Neisseria gonorrhea

   8) All of the following are G+ve bacteria except :

A. Clostridium tetani

B. listera monocytogens

C. Vibrio Cholera

D. Actinomyces

   9) The effects of endotoxin include all of the following except :

A.Opsonization

B.Fever

C.Activation of coagulation cascade

D.Hypotension

How much you got ??

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1st Year MBBs - Biochemistry - Body Fluids - week 1

Lumhs Online Clinical Discussion Forum

Test No: 001,  Dated: 14th January 2012.    From : (GMT + 5, Time Zone), Pakistan.

Time Duration : 20 Mins, Total Marks: 10 x 1 = 10.

NB. Answers should be written in a single comment,

For Example, 1D, 2B, 3,C............,7A,.......,10C

1. About the buffer system.

• a. It is the most effective system at pH values close to their pK.
• b. Prevents any change in hydrogen ion concentration when a strong acid is added
• c. Their buffering capability doesn't depend upon the dissociable group present in the buffer solution
• d. Work best when acid and base are in approximately equal concentration
• e. All the above.

2. Regarding colloids all statements are true, except?

• a. Are present in bile
• b. Don’t diffuse through animal membrane
• c. Cant exert osmotic pressured.
• d. Which prevents precipitation are called protective colloids
• e. Are the proteins and polysaccharides

3. Osmotic pressure is proportional to all, except?

• a. Temperature of the medium
• b. Size and charge of the particles
• c. Concentration of the solutes
• d. pH of the medium
• e. The number of the particles

4. Oncotic pressure of blood is the pressure exerted by?

• a. The diffusible colloid substances in plasma.
• b. The hemoglobin
• c. The protein present in interstitial fluid
• d. Crystalloid fraction of ECF.
• e. Albumin

5. Which one of the following functions, is correct, regarding buffers?

• a. They sometime exist in pair
• b. Buffering capacity of plasma proteins is more than Hb.
• c. They resist change of pH.
• d. Bicarbonate buffer is the most important extracellular buffer
• e. Kidney doesn’t contain any buffer

6. Concerning osmosis

• a. Hydrostatic pressure is produced
• b. Solvent is not permeable
• c. A solvent passes , from a solution 0f higher concentration to lower concentration
• d. Flow of particles is in both direction.
• e. None of the above

7. The relative viscosity of the serum is?

• a. 1.4-1.8
• b. 2.2-2.3
• c. 2.5-2.8
• d. 2.8-3.0
• e. 3.0-4.5

8. Important extracellular buffers are?

• a. proteins and bicarbonates
• b. acetate and bicarbonate
• c. phosphates
• d. chloride
• e. none of the above

9. At its isoelectric pH a protein

• a. posses free charge on the molecule
• b. is the least soluble in water
• c. can be separated by electrophoresis
• d. contains receptor for hormones
• e. it is primarily made up of lipid and protein

10. The pH of the blood is?

• a. 6.2-6.4
• b. 6.6-6.8
• c. 7.35-7.4
• d. 8.0
• e. 8.5

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Solved paper-EYE TEST-WEEK 1

test No: 001, Dated: 13th January 2012.    From : (GMT + 5, Time Zone), Pakistan.

Time Duration : 20 Mins, Total Marks: 10 x 1 = 10.

NB.  The Bold option of every BCQs is the Correct answer..

Regarding glaucoma’s mechanical theory which one of these is appropriate?

a)      raised Intraocular pressure

b)      ischemia

c)       low tension glaucoma

d)      ocular hypertension

2. Regarding Aqueous humour which one of these is least appropriate?

a)      volume of about 0.30ml

b)      rate of secretion is 0.3 microlitre per sec

c)       Na conc. is same as that of in plasma

d)      HCO3 conc. is lower than plasma

3. Regarding lens all are correct except?

a)      Continues to grow throughout life

b)      Placed in saucer shaped depression known as Patellar fossa

c)       Transmit 80% electromagnetic radiations

d)      Consist of cuboidal epithelium attached behind the posterior lens capsule only

4. On basis of location of opacity in lens which one of them is most inappropriate type of cataract?

a)      Capsular cataract

b)      Subcapsular cataract

c)       Infranuclear cataract

d)      Nuclear cataract

5. Regarding cornea which is the least appropriate?

a)      It is avascular structure

b)      Its thickness increases gradually from center to periphery

c)       Epithelium of cornea is developed from neural crest cells

d)      Average power of cornea is +43 D

6. Most common symptom of xeropthalmia?

a)      Kerotomalacia

b)      Bitot spot

c)       Night blindness

d)      Corneal xerosis

e)      Corneal ulceration

7. Which of the following is avascular structure other than lens n cornea?

a)      Extra ocular muscles

b)      Suspensory ligaments

c)       Retina

d)      Trabecular meshwork

e)      Iris

8.1D is the power of the lens of focal length of ______ cm.

a)      100

b)      10

c)      1/100

d)      1/10

9. Which of following histological structure gives about 90% of thickness to cornea?

a)      Stratified squamous epithelium

b)      Bowman’s membrane

c)      Uveal layar

d)     Lamina propria

e)      Descemet’s membrane

10. Structures taking part in accommodation except?

a)      Cillary muscle

b)      Ciliary epithelium

c)      lens

d)      zonules

e)      iris

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Microbiology - Basic Bacteriology - Week 3

Lumhs Online Clinical Discussion Forum

Test No: 002,  Dated: 13th January 2012.    From : (GMT + 5, Time Zone), Pakistan.

Time Duration : 20 Mins, Total Marks: 10 x 1 = 10.

NB. Answers should be written in a single comment,

For Example, 1D, 2B, 3,C............,7A,.......,10C

Questions  

   1) the maximum growth of bacteria occure in :

A. LAG phase

B. LOG phase

C. stationary phase

D. decline phase

E. death phase 

    2) bacteria has no cell wall :

 A. Saphylococci

B. Myobacterium

C. Rickettsia

D. Mycoplasma

E. Shigella 

   

   3) non essential component of bacteria is

 A. ribosome

B. nucleoid

C. periplasm

D. Granule 

  

   4) Wrong statment regarding bacterial capsule:

A. composed of polysaccharide in all bacteria

B.plays imp role in adherence

C. essential component

D. Both A and C

   5) correct statement in the following:

A. the peptidoglycan is thicker in G-ve

B.teichoic acids are present in G-ve bacteria

C.endotoxin is secreted by G+ve

D. G+ve bacteria stain violet in colour

   6) Bacterial surface structures that show antigenic diversity include all except :

A. pili

B. Capsule

C. Flagella

D. Peptidoglycan

   7) The folllowing bacteria is Extracellular G-ve bacteria

A. Streptococcus

B. Bacillus

C. Salmonella

D.Neisseria gonorrhea

   8) All of the following are G+ve bacteria except :

A. Clostridium tetani

B. listera monocytogens

C. Vibrio Cholera

D. Actinomyces

   9) The effects of endotoxin include all of the following except :

A.Opsonization

B.Fever

C.Activation of coagulation cascade

D.Hypotension

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