GASTROINTESTINAL SYSTEM
MBBS – BASIC SCIENCES
QUESTION BANK
,SECTION 1
ANATOMY
,1. Which of the following are end-arteries that perfuse the small bowel?
A. Ileal perforating branches
B. Ileocolic
C. Jejunal perforating branches
D. Middle colic
E. Vasa recta branches
2. The act of swallowing (deglutition) has three phases: oral, pharyngeal and esophageal.
Which of the following is part of the pharyngeal phase of swallowing?
A. The soft palate moves upwards to separate the oropharynx from the nasopharynx
B. The upper oesophageal sphincter closes
C. The glottis moves over the epiglottis
D. Laryngeal muscles relax
E. The upper oesophageal sphincter contracts to prevent gastro-oesophageal reflux
3. Which of the following statements best describes Morison’s pouch?
A. Between the liver and the gallbladder
B. Between the liver and the left kidney
C. Between the liver and the right kidney
D. Between the liver and the stomach
E. Between the liver and the epiploic foramen
4. Which vein drains the superior ⅔ of the anal canal?
A. The inferior rectal vein
B. The internal iliac vein
C. The middle rectal vein
D. The superior mesenteric vein
E. The superior rectal vein
, 5. What is the most abundant type of rectal epithelium?
A. Pseudostratified columnar
B. Simple columnar
C. Simple squamous
D. Stratified columnar
E. Stratified squamous
6. Which abdominal region overlies the spleen?
A. Epigastrium
B. Left hypochondrium
C. Left inguinal
D. Left lumbar
E. Right hypochondrium
7. Which of the following structures lies directly posterior to the head of the pancreas?
A. Accessory hemiazygos vein
B. Cisterna chyli
C. Hemiazygos vein
D. Inferior vena cava
E. Superior vena cava
8. Which vertebral level corresponds to the gastro-oesophageal junction?
A. T7
B. T8
C. T9
D. T10
E. T11
MBBS – BASIC SCIENCES
QUESTION BANK
,SECTION 1
ANATOMY
,1. Which of the following are end-arteries that perfuse the small bowel?
A. Ileal perforating branches
B. Ileocolic
C. Jejunal perforating branches
D. Middle colic
E. Vasa recta branches
2. The act of swallowing (deglutition) has three phases: oral, pharyngeal and esophageal.
Which of the following is part of the pharyngeal phase of swallowing?
A. The soft palate moves upwards to separate the oropharynx from the nasopharynx
B. The upper oesophageal sphincter closes
C. The glottis moves over the epiglottis
D. Laryngeal muscles relax
E. The upper oesophageal sphincter contracts to prevent gastro-oesophageal reflux
3. Which of the following statements best describes Morison’s pouch?
A. Between the liver and the gallbladder
B. Between the liver and the left kidney
C. Between the liver and the right kidney
D. Between the liver and the stomach
E. Between the liver and the epiploic foramen
4. Which vein drains the superior ⅔ of the anal canal?
A. The inferior rectal vein
B. The internal iliac vein
C. The middle rectal vein
D. The superior mesenteric vein
E. The superior rectal vein
, 5. What is the most abundant type of rectal epithelium?
A. Pseudostratified columnar
B. Simple columnar
C. Simple squamous
D. Stratified columnar
E. Stratified squamous
6. Which abdominal region overlies the spleen?
A. Epigastrium
B. Left hypochondrium
C. Left inguinal
D. Left lumbar
E. Right hypochondrium
7. Which of the following structures lies directly posterior to the head of the pancreas?
A. Accessory hemiazygos vein
B. Cisterna chyli
C. Hemiazygos vein
D. Inferior vena cava
E. Superior vena cava
8. Which vertebral level corresponds to the gastro-oesophageal junction?
A. T7
B. T8
C. T9
D. T10
E. T11
