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Parasitology

1) Below are the morphology of the male Ascaris Lumbricoides EXCEPT :

A. Are 15-30 cm in lengthB. Have a coiled posterior endC. No copulatory bursaD. Mouth possesses three lips

2) Which are the characteristics of a fertilized egg of the Ascaris Lumbricoides ?

A. Contain a fertilized ovumB. Elongated, 80-90u in lengthC. Contain mass of refractile granulesD. Have thin transparent middle layer

3) How many days does it take for the rhabditiform larva of the Ascaris Lumbricoides to moult to the

second stage rhabditiform larva ?

A. 15 daysB. 19 daysC. 17 daysD. 20 days

4) In the stage of larval migration, the first passage of larvae through the liver and lungs provokes a

remarkable pathological changes in the human being

A. TrueB. False

5) Below are the example of diagnosis of the Ascaris Lumbricoides during the migratory stage EXCEPT

A. X-rays to showing shifting mottled lung infectionsB. Finding ova in the stoolsC. Can be diagnosed clinicallyD. Can be detected in gastric washings

Answers : D, A, C, B & B

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Pathology

1) All are characteristics of Hyperplastic polyps EXCEPT :

A. Are small, less than 5mm in diameterB. Maybe single or multipleC. 50% are in the sigmoidD. Are potentially malignant

2) Juvenile polyps maybe the source of ?

A. Intestinal obstructionB. Rectal bleedingC. AnemiaD. Melanotic pigmentation

3) The risk of cancer is high in sessile villous polyps more than 4cm in diameter.

A. TrueB. False

4) Superficial ulceration due to chronic irritation may occur in Tubular Adenomas

A. TrueB. False

5) Below are the characterisitics of Familial Adenomatous Polyposis EXCEPT :

A. Appear in adolescence or early adulthoodB. Patients develop 500-2500 adenomas that carpet the mucosal surface of the colonC. Mostly of the villous typeD. Risk of colonic cancer is 100% by midlife

Answers : D, B, A, B & C

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Parasitology

1) Below are the morphology of the Female Strongyloides steroralis EXCEPT:

A. Have a length of 2-2.5mmB. Have a filariform oesophagusC. Vulval opening is in the posterior third of the bodyD. Have curved tail and two spicules

2) If the soil conditions are favorable, the Strongyloides Steroralis rabditiform larvae moult three times

into sexually mature free-living males and females.

A. TrueB. False

3) At which stage is the Strongyloides Stercoralis infective ?

A. Second stage filariform larvaeB. Third stage filariform larvaeC. Second stage rhabditiform larvaeD. Third stage rhabditiform larvae

4) Autoinfection can occur in strongyloidiasis especially if the patient is

A. Ingest its on foodB. Infective filariform pass down the bowelC. Rhabditiform larvae in fresh stools transform to infective filariform larvaeD. When the patient is constipated

5) Treatment of Strongyloides Steroralis is by

A. TetracyclineB. IvermectinC. MebendazoleD. Apekebendazole

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Pharmacology

1) What group of drugs are used as induction and maintenance of remission in mild to moderate

diseases ?

A. Immunosuppresive drugsB. CorticosteroidsC. AminosalicylatesD. Antimicrobials

2) The mechanism of actions of Sulfasalazine are all of below EXCEPT

A. Inhibits bacterial peptide-induced neutrophil chemotaxisB. Inhibit activation of the nuclear regulatory factorC. It binds to the soluble TNF-alphaD. It scavenges reactive oxygen metabolites

3) Which drugs are used to decrease proliferation of immune cells and lower autoimmune activity ?

A. AdalimumabB. OlsalazineC. MesalamineD. Azathioprine

4) Methothrexate is effective for induction and maintenance of remission in CD ?

A. FalseB. True

5) Which drugs changes the luminal flora and diminish activation of the mucosal immune system ?

A. MetronidazoleB. InfliximabC. BalsalazideD. Prednisone

Answers : A, C, D, B & A

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Parasitology

1. What are the requirements for T.Trichiura to become a health problem?A. Poor standards of sanitationB. Warm climateC. Heavy rainD. A and BE. All of the above

2. These are the morphology of T.Trichiura. EXCEPTA. Whip-likeB. Anterior long thick part and posterior thin partC. Male worms measure 3cmD. Females has a straight caudal end

3. The infected stage of whipworm isA. Unembryonated eggsB. LarvaeC. 2-cell stage eggsD. Embryonated eggsE. Larvae

4. Larvae of Capillaria Philippinensis are released inA. IntestineB. ColonC. StomachD. Lung

5. What are the methods can be used in diagnosis of Capillaria Philippinensis.A. Stool examinationB. Urine sampleC. Duodenal aspirationD. A and BE. A and C

Biochemistry

1. The enzymes that are used for digestion of protein are produced byA. StomachB. PancreasC. IntestineD. All of the above

2. These are the pancreatic proteolytic enzymes EXCEPTA. ParachymosinB. TrypsinC. ChymotrypsinD. Elastase

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E. Carboxypeptidase

3. All enzymes select carboxylic group of protein EXCEPTA. ElastaseB. ChymotrypsinC. PepsinD. Trypsin

4. The optimum pH for Aminopeptidase is betweenA. 1-2B. 6-7C. 7-8D. None of the above

5. These are all the sources of dietary proteins EXCEPTA. MilkB. FishC. MeatD. CerealsE. Bread

Pathology

1. All these statements refer to both UC & Crohns disease EXCEPTA. Course of disease characterized by remissions & relapsesB. Presence of skip lesionsC.

Affect women more than men

D. Age group of 15-25 year are commonly affected2. Regarding UC, there is increased risk of cancer in the following cases EXCEPT

A. Long standing diseaseB. Extensive disease (pancolitis)C. Toxic megacolonD. UC with epithelial dysplasia

3. One of the following is NOT the complication of Crohns diseaseA. AnaemiaB. PeritonitisC. Sclerosing cholangitisD. Toxic megacolon

4. Regarding UC, the phase of active disease includesA. Distortion of mucosal architectureB. Formation of pseudopolypsC. Diffuse mucosal atrophyD. Edematous focal aphthous ulcers on the mucosa

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5. In crohns disease, fibrosing stricture occurs mostly inA. Terminal ileumB. AnorectumC. Transverse colonD. Caecum

Microbiology

1. These are the morphology of Salmonella EXCEPTA. Gram negative cocciB. MotileC. Peritrichate FlagellaD. None of the above

2. Antibodies to O antigens of Salmonella are predominantlyA. IgGB. IgAC. IgMD. A and BE. A and C

3. Which are true about pathogenesis of SalmonellaA. May produce enteric feverB. Bacteraemia with focal lesionsC. Food poisoningD. All of the aboveE. None of the above

4. The maximum titer of antibodies of Salmonella appears in the serum during?A. 2nd weekB. 3rd weekC. 4th weekD. A and BE. B and C

5. These are the causative organisms for Salmonellosis EXCEPTA. S typhimuriumB. S enteritidisC. S MontevideoD. S boydiiE. S wien

Pathology

1. These are all the non neoplastic polyps EXCEPT

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A. Hyperplastic polypsB. Peutz-Jegher polypsC. Adenomatouse polypsD. Inflammatory polypsE. Juvenile polyps

2. Which is true regarding Juvenile polypsA. They are multipleB. Occur mostly in the rectumC. Occur in children older than 5 years oldD. May never be found in adults

3. Regarding the Pseudopolyps which is NOT trueA. Commoner in colon than small intestineB. Men are affected more than femalesC. Incidence increases after the age of 60D. Precursors to colorectal cancer

4. Which is the most common adenomas?A. Tubular adenomasB. Villious adenomasC. Tubulovillous adenomasD. None of the above

5. Which is TRUE regarding FAPA. 500-2500 adenomas that carpet the musculosa surface of the colonB. Usually appear in adolescenceC. Mostly the villious typeD. The risk of colonic cancer is 100% by midlife although the prophylactic colectomy is done

Parasitology

1. Which is TRUE regarding the morphology of AncylostomidaeA. Grayish white or pinkish in colourB. Mouth is rudimentaryC. 2 pairs of teethD. Oesophagus is tubular shaped

2. Which is NOT true regarding life cycle of AncylostomidaeA. The first stage larvae have a rabditiform oesophagusB. The infective stage is the third stage of larvaeC. There is moulting of the larvae inside the lungsD. None of the above

3. These are the preventions of Ancylostomidae EXCEPTA. Sanitary disposalB. Mass treatment

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C. Health educationD. Snail controlE. Skin protection

4. Which is TRUE regarding the clinical pictures of HookwormA. Gastro-intestinal disordersB. AnaemiaC. HypoproteinaemiaD. All of the above

5. Which is NOT true about diagnosis of HookwormA. Stool analysisB. Stolls Egg counting techniqueC. Duodenal aspirationD. A and BE. B and C

Parasitology

1. These are all the clinical manifestations of Enterobius Vermicularis EXCEPTA. Perianal itchingB. VulvovaginitisC. Pyogenic infectionD. Chronic dermatitisE. Anaemia

2. Which is FALSE regarding enterobius eggsA. When laid are larvatedB.

Immediately infective

C. OvoidD. Asymmetrical flattenedE. Brown in colour

3. These are all the morphology of Enterobius worm EXCEPTA. LargeB. Semitransparent nematodesC. Striated cuticleD. None of the above

4. Which is TRUE regarding diagnosis of enterobius vermicularisA. Anal swab performed at nightB. History of nocturnal perianal itchingC. Eggs in stool are present in not more than 5% of infected individualsD. All of the above

5. Which are TRUE about prevention of enterobius vermicularisA. Personal hygieneB. Frequent changing and boiling of bed sheets

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C. All of the aboveD. None of the above

Pathology

1. Factors that are important in the genesis of colonic diverticulumA. Focal weakness in the colonic wallB. Increased intraluminal pressureC. All of the aboveD. None of the above

2. Which is TRUE regarding colonic diverticulumA. Infrequent in native populations of non-Western countriesB. Common in developed countries because of Habital differencesC. Below the age of 60 yearsD. None of the above

3. These are the pseudo obstruction EXCEPTA. Paralytic IleusB. PostoperativeC. Vascular bowel infarctionD. Myopathies and NeuropathiesE. None of the above

4.

These are the complications of colonic diverticulum EXCEPTA. InfectionB. Pericolic abscessC. Intestinal obstructionD. FistulaE. PeritonitisF. Anaemia

5. Obstruction of gastrointestinal tract is most often inA. OesophagusB. StomachC. DuodenumD. Small intestineE. Large intestine

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