GIT system exam

Questão 1 de 43

1

H.pylori causes peptic ulcer in all of the following mechanisms except :

Selecione uma das seguintes:

Producing urease
Enhancing gastric acid secretion.
Producing phospholipase.
Producing immunogenic proteins.
Non of the above

Explicação

Questão 2 de 43

1

Which of the following muscles is responsible for protruding
the tongue?

Selecione uma das seguintes:

The styloglossus
The hyoglossus
The genioglossus
The palatoglossus
The mylohyoid

Explicação

Questão 3 de 43

1

A patient with a duodenal ulcer is treated successfully with the drug cimetidine. The basis for cimetidine’s inhibition of gastric H+ secretion is that it?

Selecione uma das seguintes:

A) blocks muscarinic receptors on parietal cells
B) blocks H2 receptors on parietal cells
C) increases intracellular cyclic adenosine monophosphate (cAMP) levels
D) blocks H+,K+-adenosine triphosphatase (ATPase)
E) enhances the action of acetylcholine (ACh) on parietal cells

Explicação

Questão 4 de 43

1

The following statements concerning the sigmoid colon are correct except which?

Selecione uma das seguintes:

It is a continuation of the descending colon.
It begins above in front of the left quadratus lumborum muscle
It receives its arterial supply from the inferior mesenteric artery.
It becomes continuous with the rectum in front of the third sacral vertebra.
It is attached to the posterior pelvic wall by the sigmoid mesocolon.

Explicação

Questão 5 de 43

1

The following information concerning the sensory innervation of the abdominal peritoneum is correct except which?

Selecione uma das seguintes:

The peritoneum on the central part of the inferior surface of the diaphragm is supplied by the phrenic nerves.
The peritoneum forming the mesentery of the small intestine is innervated by autonomic nerves.
The peritoneum on the peripheral part of the inferior surface of the diaphragm is supplied by the phrenic nerves.
The peritoneum lining the anterior abdominal wall in the right lower quadrant is supplied by T12 and L1 spinal nerves
The peritoneum lining the lateral wall of the pelvis is supplied by the obturator nerve.

Explicação

Questão 6 de 43

1

The jejunum and ileum can be differentiated on the basis of the following anatomic features except which?

Selecione uma das seguintes:

Numerous (four to five) arterial arcades are associated with the jejunum
The plicae circulares are much more prominent in the jejunum than in the ileum
Fat depositions are generally present throughout the mesentery associated with the ileum.
The jejunum is generally located in the upper left region of the abdominal cavity
Peyer’s patches are characteristic of the lower ileum and may be visible on the surface.

Explicação

Questão 7 de 43

1

A 49-year-old woman presents with increasing problems swallowing food (progressive dysphagia). X-ray studies with contrast reveal that she has a markedly dilated
esophagus above the level of the lower esophageal sphincter (LES). No lesions are seen within the lumen of the esophagus. Which of the following is the most likely cause of
this disorder?

Selecione uma das seguintes:

a. Decreased LES resting pressure
b. Absence of myenteric plexus in the body of esophagus
c. Absence of myenteric plexus at the LES
d. Absence of submucosal plexus in the body of esophagus
e. Absence of submucosal plexus at the LES

Explicação

Questão 8 de 43

1

Patient presents with increasing “heartburn,” Endoscopic examination finds a red velvety plaque located at the distal esophagus. Biopsies from this area, taken approximately 4 cm proximal to the gastroesophageal junction reveal metaplastic columnar epithelium Which of the following is the most likely diagnosis?

Selecione uma das seguintes:

Acquired achalasia
Barrett esophagus
Hamartomatous polyp
Metastatic adenocarcinoma
Reflux esophagitis

Explicação

Questão 9 de 43

1

A 49-year-old woman taking NSAID, Gastroscopy reveals multiple, scattered, punctate hemorrhagic areas in her gastric mucosa. Biopsies from one of these hemorrhagic lesions reveal mucosal erosions with edema and hemorrhage. No mucosal ulceration is seen. Which of the following is the most likely diagnosis?

Selecione uma das seguintes:

a. Chronic gastritis
b. Acute gastritis
c. Autoimmune gastritis
d. Chronic gastritis
e. Peptic ulcer disease

Explicação

Questão 10 de 43

1

Patient presents with increasing gastric pain and is found to have a 3-cm mass located in the anterior wall of his stomach. This mass is resected and histologic examination reveals a tumor composed of cells having elongated, spindle-shaped nuclei. This tumor is usually defined histologically by the expression of which one of the listed markers?

Selecione uma das seguintes:

CD10 (CALLA)
CD15 (leuM1)
CD30 (Ki-1)
CD95 (Fas)
CD117 (c-KIT)

Explicação

Questão 11 de 43

1

A 39-year-old man presents with bloody diarrhea, examination of the patient’s colon reveals a characteristic “string sign.” A colonoscopy reveals the rectum and sigmoid portions of the colon to be unremarkable. A biopsy from the terminal ileum reveals numerous acute and chronic inflammatory cells within the lamina propria. Gross examination of this resected bowel reveals several transmural fistulas are also found. Which of the following is the most likely diagnosis?

Selecione uma das seguintes:

Ulcerative colitis
Lymphocytic colitis
Infectious colitis
Eosinophilic colitis
Crohn disease

Explicação

Questão 12 de 43

1

Multiple dark black stones are found within the gallbladder. These stones are composed of which one of the following substances?

Selecione uma das seguintes:

Bilirubin
Carbon
Cholesterol
Struvite
Urate

Explicação

Questão 13 de 43

1

Regarding exocrine pancreatic neoplasms, which of the following is not correct :

Selecione uma das seguintes:

a- Mucinous Cystic Neoplasms always arise in women
b- benign Mucinous Cystic Neoplasms show significant cytologic & architectural atypia but no tissue invasion
c- a quarter of all pancreatic cystic tumors are Serous Cystadenomas.
d- Mucinous cyst adenomas & intraductal Papillary Mucinous T can be benign, borderline malignant or malignant T.
e- b & d

Explicação

Questão 14 de 43

1

All are true regarding michel's diverticulum except

Selecione uma das seguintes:

Pernicious anemia.
Symptoms like appendicitis
heterotopic islands of functioning gastritis mucosa.
Intestinal bleeding.
Volvulus

Explicação

Questão 15 de 43

1

All are causes of acquired megacolon except

Selecione uma das seguintes:

Chagas disease.
Disruption of migration of neural crest derived cells during development
Organic obstruction
Toxic magacolon of crohn disease.
. A functional psychosomatic disorder

Explicação

Questão 16 de 43

1

Hepatitis C is transmitted MAINLY by

Selecione uma das seguintes:

Fecal -oral route.
By blood.
Insects or fomites
Sexual contact
None of the above

Explicação

Questão 17 de 43

1

The disorder that results in the mildest jaundice from the following is:

Selecione uma das seguintes:

a- Crigler-Najjar syndrome
b- Gilbert syndrome
c- thalassemia
d- physiological in neonates
e- Siderocytosis

Explicação

Questão 18 de 43

1

All the following reactions are involved in phase to detoxification in the liver except :

Selecione uma das seguintes:

a- Sulfation
b- Glucoronidation
c- methylation
d- oxidation
e- c&d

Explicação

Questão 19 de 43

1

Which of the following arteries supplies foregut
derivatives of the digestive system?

Selecione uma das seguintes:

A. Celiac trunk
B. Superior mesenteric artery
C. Inferior mesenteric artery
D. Right umbilical artery
E. Intercostal artery

Explicação

Questão 20 de 43

1

Kupffer cells present in the adult liver are derived from: (Embryology)

Selecione uma das seguintes:

A. mesoderm
B. endoderm
C. ectoderm
D. neuroectoderm
E. neural crest cells

Explicação

Questão 21 de 43

1

Which of the following is NOT true regarding oropharynx:

Selecione uma das seguintes:

A. It is on the level of C2 and C3 vertebra.
B. Communicates with the mouth through the oropharyngeal isthmus.
C. The superior constrictor muscle separates the lateral surface of the palatine tonsil from the facial artery.
D. The lateral walls on each side have the palatoglossal and palatopharyngeal arches

Explicação

Questão 22 de 43

1

The nasopharynx ends at the level of.

Selecione uma das seguintes:

A. Atlas vertebra.
B. C2 vertebra.
C. The lower part of the soft palate.
D. C3 vertebra.
E. None of the above

Explicação

Questão 23 de 43

1

All of the following muscles are supplied by hypoglossal nerve (Xll) except:

Selecione uma das seguintes:

A.Styloglossus
B. Genioglossus.
C. Hyoglossus.
D. Palatoglossus

Explicação

Questão 24 de 43

1

One of the of following is an INCORRECT matching:

Selecione uma das seguintes:

A. Nasopharynx ---- ciliated pseudo stratified columnar epithelium.
B. Oropharynx ---- stratified squamous epithelium.
C. Esophagus ---- keratinized stratified squamous epithelium.
D. Gastroesophagel junction ---- non-ciliated simple columnar epithelium.
E. Stomach ---- non-ciliated simple columnar epithelium.

Explicação

Questão 25 de 43

1

In cases of mild nausea and vomiting in the 1st 3 months of pregnancy, the drug of choice is :

Selecione uma das seguintes:

A. Diphenhydramine
B. Meclizine.
C. Promethazine.
D. Nabilone.
E. Pyridoxine.

Explicação

Questão 26 de 43

1

A 35-years old patient came to the clinic suffering from severe diarrhea, knowing that the patient has a history of colitis, which of the following anti-diarrheal agentsis/are contraindicated:

Selecione uma das seguintes:

a. Diphenoxylate
b. Al(OH)3
c. Methylcellulose
d. A+C
e. None of the above

Explicação

Questão 27 de 43

1

Black tongue is a finding that can be seen in a patient treated with:

Selecione uma das seguintes:

a. Methylcellulose
b. Bismuth subsalicylate
c. Nizatidine
d. Diphenoxylate
e. Loperamide

Explicação

Questão 28 de 43

1

Which of the following agents are contraindicated in pregnancy:

Selecione uma das seguintes:

a. Misoprostol
b. Castor oil
c. Methyl cellulose
d. A+b
e. A+c

Explicação

Questão 29 de 43

1

All of the following can be involved in the treatment of GERD, except:

Selecione uma das seguintes:

a. Dexlansoprazole
b. Cimetidine
c. Clarithromycin
d. Misoprostol
e. None of the above

Explicação

Questão 30 de 43

1

Which of the following is preferentially used for the treatment and the prevention of NSAIDs-induced ulcers?

Selecione uma das seguintes:

a. Nizatidine
b. Lansoprazole
c. Misoprostol
d. Metronidazole
e. All of the above

Explicação

Questão 31 de 43

1

For a patient with opioid-induced constipation, the best drug of choice is:

Selecione uma das seguintes:

a. Calcium docusate
b. Nizatidine
c. Senna
d. A+c
e. All of the above

Explicação

Questão 32 de 43

1

Vitamin B12 deficiency is a risk in patients treated with:

Selecione uma das seguintes:

a. Cimetidine
b. Omeprazole
c. Lactulose
d. A+b
e. All of the above

Explicação

Questão 33 de 43

1

. Which of the following can be used in preparation for colonoscopy:

Selecione uma das seguintes:

a. Misoprostol
b. Calcium carbonate
c. PEG laxatives
d. B+C
e. None of the above

Explicação

Questão 34 de 43

1

. A 35-years old woman suffering from electrolytes insufficiency, after investigations, no causative illness has been identified, which of the following agents is it predicted for the woman to take:

Selecione uma das seguintes:

a. Bisacodyl
b. Misoprostol
c. Magnesium hydroxide
d. Calcium carbonate
e. Lansoprazole

Explicação

Questão 35 de 43

1

All of the following are osmotic laxatives, except:

Selecione uma das seguintes:

a. PEG laxative
b. Lactulose
c. Magnesium citrate
d. Sodium phosphate
e. Calcium carbonate

Explicação

Questão 36 de 43

1

All of the following are absorbed in small intestine by Na co-transporter except:

Selecione uma das seguintes:

A. amino acids
B. glucose
C. fatty acid
D. dipeptides
E. More than one of the above

Explicação

Questão 37 de 43

1

One of the following is characteristic of slow waves:

Selecione uma das seguintes:

A. They are affected by neurons and hormones
B. can change their frequecy
C. same frequency all along the GIT
D. determine the maximum frequency of contraction

Explicação

Questão 38 de 43

1

Retching happens when:

Selecione uma das seguintes:

A. lower esophageal sphincter is closed
B. upper esophageal sphincter is closed
C. upper and lower esophageal sphincters are closed
D. pyloric sphincter is closed

Explicação

Questão 39 de 43

1

Dyskinesia is a side effect for one of these drugs :

Selecione uma das seguintes:

A. Lubiorostone
B. PPI
C. Ondansetron
D. Metoclopramide
E. Hyoscine

Explicação

Questão 40 de 43

1

All these agents are used to treat diarrhea except :

Selecione uma das seguintes:

A. Lorpermide
B. Bismuth subsalicylate
C. Famotidine
D. Methylcellulose
E. Atropine

Explicação

Questão 41 de 43

1

The diffirence between Metoclopramide and domperidone is :

Selecione uma das seguintes:

A. Metoclopramide is D2 receptor antagonists but domperidone is 5-HT3 antagonist
B. Metoclopramide crosses BBB but domperidone cannot
C. domperidone has antiemetic effect but Metoclopramide doesn't
D. domperidone crosses BBB but Metoclopramide cannot
E. there is no difference between them

Explicação

Questão 42 de 43

1

One of these commbination the best effect in prevention (CINV):

Selecione uma das seguintes:

A. D2 + corticosteroids and NK1 antagonists.
B. corticosteroids and Chlorpromazine
C. Substance P antagonist + 5-HT3antagonists and corticosteroids.
D. droperidol + 5-HT3antagonists and corticosteroids.
E. None of the above

Explicação

Questão 43 de 43

1

All of these drugs are used to treat Postoperative Nausea & Vomiting except:

Selecione uma das seguintes:

A. Dopamine antagonists
B. D2-antagonists
C. 5-HT3antagonists
D. NK1 antagonistsVomiting
E. All of the above

	Criado por mamoon saleh quase 9 anos atrás

Healinig Batch

GIT system exam

Questão 1 de 43

H.pylori causes peptic ulcer in all of the following mechanisms except :

Selecione uma das seguintes:

Explicação

Questão 2 de 43

Which of the following muscles is responsible for protruding the tongue?

Selecione uma das seguintes:

Explicação

Questão 3 de 43

A patient with a duodenal ulcer is treated successfully with the drug cimetidine. The basis for cimetidine’s inhibition of gastric H+ secretion is that it?

Selecione uma das seguintes:

Explicação

Questão 4 de 43

The following statements concerning the sigmoid colon are correct except which?

Selecione uma das seguintes:

Explicação

Questão 5 de 43

The following information concerning the sensory innervation of the abdominal peritoneum is correct except which?

Selecione uma das seguintes:

Explicação

Questão 6 de 43

The jejunum and ileum can be differentiated on the basis of the following anatomic features except which?

Selecione uma das seguintes:

Explicação

Questão 7 de 43

Selecione uma das seguintes:

Explicação

Questão 8 de 43

Selecione uma das seguintes:

Explicação

Questão 9 de 43

Selecione uma das seguintes:

Explicação

Questão 10 de 43

Selecione uma das seguintes:

Explicação

Questão 11 de 43

Selecione uma das seguintes:

Explicação

Questão 12 de 43

Multiple dark black stones are found within the gallbladder. These stones are composed of which one of the following substances?

Selecione uma das seguintes:

Explicação

Questão 13 de 43

Regarding exocrine pancreatic neoplasms, which of the following is not correct :

Selecione uma das seguintes:

Explicação

Questão 14 de 43

All are true regarding michel's diverticulum except

Selecione uma das seguintes:

Explicação

Questão 15 de 43

All are causes of acquired megacolon except

Selecione uma das seguintes:

Explicação

Questão 16 de 43

Hepatitis C is transmitted MAINLY by

Selecione uma das seguintes:

Explicação

Questão 17 de 43

The disorder that results in the mildest jaundice from the following is:

Selecione uma das seguintes:

Explicação

Questão 18 de 43

All the following reactions are involved in phase to detoxification in the liver except :

Selecione uma das seguintes:

Explicação

Questão 19 de 43

Which of the following arteries supplies foregut derivatives of the digestive system?

Selecione uma das seguintes:

Explicação

Questão 20 de 43

Kupffer cells present in the adult liver are derived from: (Embryology)

Selecione uma das seguintes:

Explicação

Questão 21 de 43

Which of the following is NOT true regarding oropharynx:

Selecione uma das seguintes:

Which of the following muscles is responsible for protruding
the tongue?

Which of the following arteries supplies foregut
derivatives of the digestive system?