Quiz: Exams — AUA MCQ

1-Regarding midgut loop, one statement is CORRECT:

A A. Caecal rudiment arises at the cranial limb B B.During the development,the caecum is subhepatic then it descends C C.Left colic flexure is a derivative of the loop D D. The loop is supplied by inferior mesenteric artery

2-One of the following areas of the liver is covered by peritoneum:

A A.Bare area B B.Fossa for gall bladder C C.Gastic impression D D.Groove for inferior vena cava

3.One of the following structures NOT shares in the stomach bed

A A.Left colic flexure B B.Left kidney C C.Pancreas D D.Spleen

3.One of the following structures NOT shares in the stomach bed

A A.Left colic flexure B B.Left kidney C C.Pancreas D D.Spleen

4-Regarding development of hindgut, one statements is CORRECT:

A A.Anal canal is completely endodermal in origin B B.Failure of rupture of anal membrane leads to imperforate anus C C.Lower part of anal canal is a mesodermal pit called proctodeum D D. Upper part of anal canal develops from cloaca

5.One of the following structures NOT lies within the parotid gland

A A.External carotid artery B B.Facial artery C C.Facial nerve D D. parotid lymph nodes

6-Rotation of the stomach leads to the following results,EXCEPT:

A A. The ventral border becomes right border B B.The dorsal border becomes left border C c. the right surface becomes posterior surface D D. The dorsal mesogastrium becomes the lesser omentum

7-Regarding the duodenum, select the CORRECT answer:

A A.It is supplied by both coeliac & superior mesenteric arteries B B. It surrounds head & neck of pancreas C c. Its 1st part is the longest one D D.Its 2nd part extends from L2-L4

8-Regarding the intestine, select the CORRECT answer:

A A.Anal canal is continuous with the rectum opposite tip of coccyx B B.Descending colon joins transverse colon at the hepatic flexure C C.Mesenteric fat is less dense in the ileum D D. The jejunum is the longest part of small intestine

9.About Swallowing is a reflex which of the following is NOT true

A a)Has its reflex centres in the cervical segments of the spinal cord. B b) Includes inhibition of respiration. C c) Is initiated by a voluntary act. D d) Is dependent on intrinsic nerve networks in the oesophagus.

10. In the stomach

A a) pH rarely falls below 4.0. B b) Pepsinogen is converted to pepsin by hydrochloric acid. C c)Ferrous iron is reduced to ferric iron by hydrochloric acid. D d) Acid secretion is inhibited by pentagastrin.

11-Uncinate process of pancreas is crossed anteriorly by:

A A. Abdominal aorta B B.Common bile duct C C.Inferior mesenteric vessels D D.Superior mesenteric vessels

12-Concerning development of the lips & palate,one is CORRECT:

A A. Median cleft upper lipis failure of philtrum formation B B.Palatine processes of maxilla fuse in posteroanterior direction C C.Primary palate is an anterior extension of secondary palate D D. Secondary palate develops from maxillary processes of palatine bone

13. The normally innervated stomach all the following are true EXCEPT

A a) Is stimulated to secrete gastric juice when food is chewed,even if it is not swallowed. B b) Cannot secrete HCI when its H1 histamine receptors are blocked. C c) And the denervated stomach can secrete gastric juice after a meal is ingested. D d) Empties more quickly than the denervated stomach

14. Vomiting

A a) Is caused by violent rhythmic contractions of gut smooth muscle. B b)Is coordinated by a vomiting centre in the mid brain C c)Of green fluid suggests that duodenal contents are decreased. D d) Is occurring by forced expiratory efforts by skeletal muscles in the presence of a closed glottis and pylorus are responsible for compressing the stomach

15. The stomach

A a) Is responsible for absorbing about 10 per cent of the ingested food. B b) Carbonic anhydrase absent in its mucosal cells. C c) Peristaltic contractions start from the pyloric region. D D) Relaxes when food is ingested,this 'receptive relaxation' allows the stomach to store large volumes of food without discomfort.

16-The bile salts are

A a-hydrophobic B b-synthesized in the gut C c-hydrophilic D d-convert dietary fat to suspension

17. About Secretion of gastric juice which of the following is NOT true

A a) Increases when food stimulates mucosal cells in the pyloric region B b) Is associated with a decrease in the pH of venous blood as bicarbonate enters the circulation in the 'alkaline tide'.. C c) In response to food is reduced after vagotomy. D d) Is not essential for protein digestion.

18.Secretion of saliva decreases when

A a) Touch receptors in the mouth are stimulated. B b) The mouth is flushed with acid fluids with a pH of about 4. C c)Dehydration occurs D d) Vomiting is imminent.

20. About Gastric juice all the following are true EXCEPT

A a) Is secreted when the vagus nerves are stimulated. B b) After vagotomy, food must enter the stomach to stimulate gastric secretions C c) Inactivates the digestive enzymes secreted with saliva. D d) Does not digest the gastric mucosa because it is protected by a pepsin inactivator

21. Peptic ulcer pain is typically relieved by all the following EXCEPT

A a) Raising the pH of the fluid bathing the ulcer. B b) Oral administration of sodium bicarbonate. C c) Oral administration of a non-absorbable antacid. D d) A drug which interferes with the action of acetylcholinesterase.

22-The main route for digestion of triacylglycerols involves

A a-hydrolysis to fatty acids B b-hydrolysis to fatty acids and glycerols C c-hydrolysis to fatty acids and 1-monoacylglycerol D d-hydrolysis to fatty acids and 2-monoacylglycerol

23-Lingual and gastric lipases preferentially hydrolyze fatty acids containing

A a-10-12 carbon atoms B b-16-18 carbon atoms C c-18-20 carbon atom D d-20-22 carbon atoms

24-The following are polysaccharides except

A a-Starch B b-glycogen C c-cellulose D d- sucrose

25.About carbohydrate metabolism

A a-Glucose is not the universal fuel for human cells B b-The major source of carbohydrates is found in fruits only C c-Carbohydrates are not essential to the diet D d-the body can synthesize necessary carbohydrates through glycogenolysis

26-Amylase hydrolyzes starch into the following except

A a-maltose B b-glucose C c-isomaltose D d-maltotriose

1. The following is antacid may produce constipation:

A a) Ranitidine B b) Cimetidine C c) omeprazole D d) Allumonium hydroxide

2.Metronidazole is used in treatment of:

A a) Trichomonas vaginitis B b) Pneumonia C c) Typhoid fever D d) Influenza

3.The most effective antiemetic drug used for management of chemotherapy induced vomiting is;

A a) metoclopramide B b) ondansetron C c) atropine D d) scopolamine

4.Which Hepatitis are transmitted Faeco-Orally:

A a) Hepatitis A.E B b) Hepatitis B and C C c) Hepatitis C and D D d) Hepatitis G

5.Which of the following statement regarding Hepatitis B Immune globulin(HBIG)is not correct:

A a)Hlepatitis B Immune globulin(HBIG)contains high titer of HBSAb B b)b.HBIG is prepared from sera of patients who are recovered from hepatitis B. C c)c.HBIG is used to provide immediate,passive protection to individuals D d) HBIG gives active immunity after repeated injections

5.Which of the following statement regarding Hepatitis B Immune globulin(HBIG)is not correct:

A a)Hlepatitis B Immune globulin(HBIG)contains high titer of HBSAb B b)b.HBIG is prepared from sera of patients who are recovered from hepatitis B. C c)c.HBIG is used to provide immediate,passive protection to individuals D d) HBIG gives active immunity after repeated injections

6. The incubation period of Salmonella food poising is:

A a) 1-8 hours B b) 12-48 hours C c) 18-24 hours D d) 10-30 hours

6. The incubation period of Salmonella food poising is:

A a) 1-8 hours B b) 12-48 hours C c) 18-24 hours D d) 10-30 hours

7. The most common cause of peptic ulcer is

A a) H.pylori infection B b) Smoking C c) NSAID drugs D d) Bleeding

8.As regarding ulcerative colitis disease,one of the following is wrong

A a) Affects caecum and ileum mainly B b) Complicated by colonic carcinoma C c)Causing bleeding per rectum D d) Showed cryptitis and crypt abscess

9. The most common malignant salivary gland tumor in is:

A a) Acinic cell tumour B b) Adenocarcinoma C c)Warthin's Tumor D d) Mucoepidermoid carcinoma

10.Chronic hepatitis does NOT occur in case of infection by

A a)Hepatitis A B b) Hepatitis B C c) Hepatitis C D d) Hepatitis D

11. Cirrhosis is NOT:

A a) chronic liver disease of progressive nature B b) A reversible condition C c) Charactrized by degeneration and regeneration of the liver cells D d) Charactrized by loss of the normal hepatic architecture

12.The most common tumour of the liver is:

A a) Liver cell adcnoma B b) Hepatocellular carcinoma C c)Hepatoblastoma D d) Metastatic tumors

13.The following parasite can be complicated by rectal prolapse

A a) Trichuris trichura B b) Ascaris lumbricoides C c) Ancylostama duodenale D d) Strongyloides stercoralis

14. visceral larva migrans is caused by invasion of the skin by Larvae of:

A a) Dipterous flies B b) Toxocara canis C c) Ancylostoma caninum D d) Hymenolepis nana

15.About Saliva which of the following is true

A a)The different salivary glands have n different composition. B b)Contains enzymes essential for the digestion of carbohydrates C c)Has less than half the ionic caleium level of plasma D d)Has a pH between 5 and 6.

16. About Swallowing is a reflex which of the following is false.

A a)Hus its reflex centers in the cervical segments of the spinal cord. B b) Includes inhibition of respiration. C c) Is initiated by u voluntary act. D d) Is dependent on intrinsic nerve networks in the oesophagus

17. The stomach

A a) Is responsible for ubsorbing about 10 per cent of the ingested food B b) Contains mucosal cells containing high concentrations of carbonic anhydrase. C c) Peristaltic contractions start from the pyloric region. D d)Motility increases when fat enters the duodenum.

18.Vomiting

A a)Is caused by violent rhythmic contractions of gut smooth muscle. B b) Is coordinated by a vomiting centre in the mid brain. C c)Of green fluid suggests that duodenal contents have regurgitated into the stomach. D d)Is more marked in low intestinal obstruction than in high intestinal obstruction.

18.Vomiting

A a)Is caused by violent rhythmic contractions of gut smooth muscle. B b) Is coordinated by a vomiting centre in the mid brain. C c)Of green fluid suggests that duodenal contents have regurgitated into the stomach. D d)Is more marked in low intestinal obstruction than in high intestinal obstruction.

19. Saliva is necessary for the following except

A a)Digestion of food. B b)Normal speech. C c)Antisepsis in the mouth D d) Taste sensation.

20.Gastrin secretion is increased by

A a)acid in the lumen of stomach B b) distension of stomach C c)inereased circulating levels of secretin D d) vagotomy

1.Which cell protects the stomach from gastric HCL?

A a. Chief cells B b.Parietal cells C c. Zymogen cells D d.Mucus cells

1.Which cell protects the stomach from gastric HCL?

A a. Chief cells B b.Parietal cells C c. Zymogen cells D d.Mucus cells

1.Which cell protects the stomach from gastric HCL?

A a. Chief cells B b.Parietal cells C c. Zymogen cells D d.Mucus cells

2.Columns of Morgagni are found in

A a. Duodenum B b.Ileum C c. Colon D d.Anal canal

3.In chronic carrier of hepatitis B virus (HBV), which positive test is the most indicative of high infectivity

A a. Hepatitis B surface antigen(HbsAg) B b.Hepatitis B Core antigen ( HbcAg) C c. Hepatitis B e Antigen ( HbeAg) D d.Anti-HBeAg

3.In chronic carrier of hepatitis B virus (HBV), which positive test is the most indicative of high infectivity

A a. Hepatitis B surface antigen(HbsAg) B b.Hepatitis B Core antigen ( HbcAg) C c. Hepatitis B e Antigen ( HbeAg) D d.Anti-HBeAg

4.Vaccines have been developed to protect againstwhich hepatitis virus

A a. Hepatitis A virus B b.Hepatitis B virus C c. Hepatitis C virus D d.Hepatitis A and B viruses

5.After people become infected by typhoid fever, they

A a. Recover completely B b. Feel fine but become carriers C c. Have S.typhi colonize their GI tract D d.All of the above

6.Microscopically, chronic gastritis showed

A a. Lymphocytes & plasma cells infiltrate B b.Intestinal metaplasia C c. Dysplasia D d.Malignant cells

6.Microscopically, chronic gastritis showed

A a. Lymphocytes & plasma cells infiltrate B b.Intestinal metaplasia C c. Dysplasia D d.Malignant cells

7.Which of the following has the highest pH

A a. Gastric juice B b.Pancreatic juice C c. Saliva D d.Contents of the intestinal crypts

8.Giardiasis may lead to

A a. Malabsorption B b. Folic acid deficiency C c. Hepatomegaly D d. Splenomegaly

9.Which one of the following schemes most accurately depicts the timeline of the metabolic processes of the liver after a carbohydrate meal is ingested followed by 3 hours of fasting

A a. Glycolysis, glycogen synthesis, lipolysis,glycogenolysis. Gluconeogenesis B b.Glycogen synthesis, lipolysis, glycogenolysis, gluconeogenesis C c. Glycolysis, lipolysis, glycogenolysis, gluconeogenesis, glycogen synthesis D d.Glycogen synthesis, glycogenolysis, lipolysis, gluconeogenensis

10. A person with type 1 diabetes who has neglected to lake insulin for 2 days, yet who ate normally, would exhibit elevated levels of circulating triglycerides because of which one of the following?

A a. Reduced synthesis of apolipoprotein Cll B b.Reduced release of LPL from muscle and fat cells C c. Increased synthesis of LDL D d.Reduced synthesis of chylomicrons

11. Find out the enzyme of liver tissue participating in the detoxification of cyanides

A a. NADH- dehydrogenase B b.Cytochrome b C c. Thiosulfate transferase D d.Cytochrome c

12. Auerbach’s plexus is found in

A a. Submucosa B b.Adventitia C c. Muscularis mucosa D d.Muscularis externa

13. The stomach

A a. Us responsible for absorbing about 10 percent of the ingested food B b.Contains mucousal cells containing high concentrations of carbonic anhydrase C c. Peristaltic contractions start from the pyloric region D d.Motility increase when fat enters the duodenumd.Reduced synthesis of chylomicrons

patient suffring from anemia comes to his physician complaining of fiq bouts of hunphy can complainin reveals antities directed against gestric perietal cells The sini is attributable to hyposecretion of which gastric product?

A a. Geria B b. pepsinogen C c. intrinsic factor D d. Hydro cloric acid

Which of thefollowing has the highestPH?

A a. gastric juice B b. pancreatic juice C c. Salivs D d. Contents of the intestinal crypt

Saliva is necessary for

A a. digestion of food B b. Swallowing of food C c. Absorption of starch D d. taste sensation

The stomach

A a. rponsible or ahaudring shout 10 per cent of the ingested food B b. containes mucosal cells-containing high concentrations of carbonic anhydrase C c. Peristaltic rections art fruts the pylorie region D d. Motility increases when far enores the duodenum

Vomiting

A a. is caused by violent rhythmic contrations of gut smooth muscle B b. coordinatedby a vomiting centre in the mid brain C c. Maybe acoorпpanied by a fall in arterial blood pressure D d. is more maked in low intestinal obstruction than in high testinal obstruction

Vomiting

A a. is caused by violent rhythmic contrations of gut smooth muscle B b. coordinatedby a vomiting centre in the mid brain C c. Maybe acoorпpanied by a fall in arterial blood pressure D d. is more maked in low intestinal obstruction than in high testinal obstruction

Which one of the following schemes most accurately depicts the timeline of the metabolic processes of the liver after a carbohydrate meal is ingmited followed by 3 hours of fasting

A a. glycolysis , glycogen synthesis lipolysis, glycogenolysis, glucongenesis B b. glycogen synthesis, lipolysis, glycogenplysis, glocop Glycolysis, lipolysis, glycogenolysis, gluconcogenesis C c.glycolysis, lipolysis , glycogenolysis , gluconeogenesis , glycogen synthesis D d.glycogen synthesis, glycogenolysis, lipolysis , glucongenesis

A person with type1diabetes who has negtected to take insulin for 2 days yet who ate normally would exhibit elevated level of circulated tri glysrides because which one of the following?

A a. Reduced synthesis of apolipoprotein.c2 B b. Reduced release of LPL from muscle and fat cell C c. Increased synthesis of LDL D d.Reduced synthesis of cylomicron

Linder conditions of a low insulin/glucagon ratio, which one of the following allosteric modifiers in muscle can lead to a stimulation of both glycolysis and fatty acid oxidation?

A a. ATP B b. ADP C c.AMP D d. Acetyl-CoA

Most of our dietary fats are incorporated into chylomicrons in the intestine. The most abundant component of chylomicrons is which one of the following?

A a. ApoB-48 B b. Triglycerid C c. Phospholipid D d. cholesterol

In onter for the lipids in chylomicrons to be used by the tissues of the body, the nascent chylomicrons need to be converted to mature chylomicrons. This conversion requires which one of the following?

A a. Bile salt B b. 2-Monoacylglycerol C c. LpL D d. HDL

chilomicron and VLDLcontain similar and different apolipoprotein.the apolipoprotein 8-48 and 8-100 are similar with respect to which one of the following

A a.they are senthizad from the same gene B b. They are derived by alternative spicing of the same heterogeneogs nuclear RNA C c. ApoB-48 is a proteolytic product of apoB 100 D d. Both are found in mature chytomicronn

Find out the enzyme of tiver tissue participating in the detoxification of cyanides

A a. NADH dehydrogenase B b. Cytochrome b C c. Thiosulfate transferase D d. Cytochrome c

Which cell protects the stomach from gastric HCT?

A a. Chief sells B b. Parietal cells C c. Zymogen cells D d. mucus cells

Columns of Morgagni are found in

A a. Duodenum B b. Ileus C c. Colon D d. Anal canal

The serous acini are characterized by

A a. Wide lumen B b. Acidophilic cells C c. Clear boundaries D d. Many intracellular canaliculi

Auerbach's plexus is found in

A a. Submucosa B b. Adventitia C c . Muscularis mucosa D d. Muscularis externa

The following antibiotics are not used to kill H pylori bacteria in case of

A a. metronidazole B b. clarithromycin C c-amoxicillin D d. a+b+c

The following antiemetic drug possesses cholinergic activity and dop antagonistic activity

A a-metoclopramide B b-ondansetron C C-atropine D d-scopolamine

In a chronic carrier of hepatitis B virus (HBV), which positive test high infectivity?

A a. Hepatitis B Surface Antigen (HbsAg)) B b-Hepatitis B Core Antigen (HbcAg)) C c. Hepatitis B e Antigen (HbeAg) D d- Anti-HBeAg

Vaccines have been developed to protect against which hepatitis vin

A a- Hepatitis A virus B b- Hepatitis B virus C C- Hepatitis C virus D d-Hepatitis A and B viruses

After people become infected by typhoid fever, they

A a- Recover completely B b. Feel fine but become carriers C c. Have S. typhi colonize their GI tract D d-All of the above

Transmission of bubonic plague is by

A a- Inoculation B b. Rat flea C c - Droplet infection D d-All of the above

As regarding acute appendicitis, all of the followings are true EXCEPT

A a. Causing acute abdomen B b. Associated with ulcerative mucosa C c.Common in old age males D d. May be leading to rupture and shock

The most common primary malignant liver tumor is

A a. Hepatocellular carcinoma B b. Cholangiocarcinoma C c. Metastatic carcinoma D d. Angiosarcoma

Microscopically, chronic gastritis showed

A a. Malignant cells B b. Intestinal metaplasia C c. Dysplasta D d. Lymphocytes & plasma cells infiltrate

Complications of ulcerative colitis include the followings EXCEPT

A a. Esophageal varices B b. Peritonitia C c. Amyloidosid D d. Fistula

Invagination of a segment of intestine into another adjacent segment, called

A a .Strangulation B b. Hemia C c. Paralytic ileus D d. None of the above

Treatment of upper GIT bleeding includes

A a. proton pump inhibito B b. H-pylori eradication C c. both D d. none

The most important cause of jaundice with abdominal pain is

A a. calcular cholcystitis B b. chronic liver disease C c .renal failure D d. hemolytic jaundice

Causes of chronic diarrhea includes

A a. malabsorption syndrome B b. Inflammatory bowel disease C c. infection D d. all of the above

Investigation of chronic diarrhea includes

A a. colonoscopy B b. stool analysis C c. Both D d. none of the above

The following is not diagnostic feature of Strongyloides stercoralis

A a. Chronic dysentery B b. Dehydration C c. Fever D d. Malabsorption

Giardiasis may lead to

A a. Malabsorption B b- Folic acid deficiency C C. Hepatomegaly D d- Splenomegaly

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