CT Scan Abdomen 50 MCQs For Govt Exam Practice : SSC, UPSC, AIIMS
1. What does a CT scan of the abdomen primarily examine?
A) Liver
B) Brain
C) Kidneys
D) Lungs
Answer: C) Kidneys
2. Which imaging modality uses X-rays to create detailed cross-sectional images of the abdomen?
A) MRI
B) Ultrasound
C) CT scan
D) PET scan
Answer: C) CT scan
3. What type of contrast dye is commonly used in CT scans to enhance images of the abdomen?
A) Iodine-based
B) Barium-based
C) Gadolinium-based
D) Fluorine-based
Answer: A) Iodine-based
4. Which of the following is NOT a common reason to perform a CT scan of the abdomen?
A) Abdominal pain
B) Kidney stones
C) Headache
D) Tumor detection
Answer: C) Headache
5. CT scans of the abdomen help in the evaluation of:
A) Bone fractures
B) Heart function
C) Organ damage
D) Hearing loss
Answer: C) Organ damage
6. In CT imaging, what unit of measurement is commonly used to describe the amount of radiation absorbed by the body?
A) Gray (Gy)
B) Sievert (Sv)
C) Hounsfield Unit (HU)
D) Millisievert (mSv)
Answer: D) Millisievert (mSv)
7. Which abdominal organ typically appears brightest on a CT scan due to its high contrast with surrounding tissues?
A) Liver
B) Spleen
C) Pancreas
D) Gallbladder
Answer: A) Liver
8. What is the purpose of a contrast-enhanced CT scan of the abdomen?
A) To reduce radiation exposure
B) To visualize bones more clearly
C) To evaluate blood flow within organs
D) To prevent allergic reactions
Answer: C) To evaluate blood flow within organs
9. Which imaging technique can provide better visualization of soft tissues, such as muscles and tendons, compared to a CT scan of the abdomen?
A) CT angiography
B) PET scan
C) MRI
D) X-ray
Answer: C) MRI
10. What is the typical preparation required before an abdominal CT scan?
A) Fasting
B) Drinking excessive fluids
C) Performing strenuous exercises
D) Avoiding sleep the night before
Answer: A) Fasting
11. Which condition might a CT scan of the abdomen help diagnose:
a) Crohn's disease
b) Parkinson's disease
c) Asthma
d) Hypertension
Answer: A) Crohn's disease
12. What might a CT scan of the abdomen reveal about kidney stones?
A) Their chemical composition
B) Their shape and size
C) The affected kidney's blood flow
D) The likelihood of recurrence
Answer: B) Their shape and size
13. Which imaging plane is most commonly used to visualize the abdomen in a CT scan?
A) Coronal
B) Sagittal
C) Axial
D) Oblique
Answer: C) Axial
14. What role does iodinated contrast play in a CT scan of the abdomen?
A) Reducing image clarity
B) Enhancing visualization of blood vessels
C) Lowering radiation exposure
D) Producing 3D images
Answer: B) Enhancing visualization of blood vessels
15. Which part of the abdomen might a CT scan help diagnose in case of suspected appendicitis?
A) Left lower quadrant
B) Right upper quadrant
C) Right lower quadrant
D) Left upper quadrant
Answer: C) Right lower quadrant
16. Which imaging technique is better for evaluating blood flow in the vessels of the abdomen:
a) CT angiography
b) Ultrasound
c) X-ray
d) PET scan
Answer: A) CT angiography
17. What is the purpose of a non-contrast CT scan of the abdomen?
A) To reduce imaging time
B) To evaluate bone density
C) To minimize radiation exposure
D) To assess organ density
Answer: D) To assess organ density
18. What might a CT scan reveal about a suspected abdominal aortic aneurysm?
A) Blood pressure levels
B) The rate of heart contractions
C) The presence and size of the aneurysm
D) Brain activity levels
Answer: C) The presence and size of the aneurysm
19. In which abdominal condition might a CT scan help identify abscesses or infections?
A) Cirrhosis
B) Diverticulitis
C) Hypertension
D) Osteoporosis
Answer: B) Diverticulitis
20. Which of these abdominal organs is not typically assessed through a routine CT scan:
a) Gallbladder
b) Bladder
c) Stomach
d) Small intestine
Answer: B) Bladder
21. What is the primary advantage of a 3D reconstruction of abdominal CT images?
A) Improved resolution
B) Faster scan time
C) Better visualization of soft tissues
D) Enhanced spatial understanding
Answer: D) Enhanced spatial understanding
22. Which abdominal condition might a CT scan assist in diagnosing:
a) Hepatitis
b) Migraine
c) Glaucoma
d) Osteoarthritis
Answer: A) Hepatitis
23. What does a CT enterography specifically focus on visualizing within the abdomen?
A) Blood vessels
B) Small intestine
C) Liver functions
D) Pancreatic enzymes
Answer: B) Small intestine
24. Which imaging modality is preferred for assessing soft tissue injuries in the abdomen:
a) MRI
b) X-ray
c) CT scan
d) Ultrasound
Answer: A) MRI
25. Which of these is NOT a potential risk associated with contrast used in CT scans:
a) Allergic reactions
b) Kidney damage
c) Increased radiation exposure
d) Thyroid problems
Answer: C) Increased radiation exposure
26. What might a CT scan reveal about a suspected case of abdominal trauma?
A) Presence of skin lesions
B) Internal bleeding or organ damage
C) Muscle sprains
D) Joint dislocations
Answer: B) Internal bleeding or organ damage
27. Which imaging technique is suitable for evaluating blood flow in the liver:
a) CT scan
b) MRI
c) Ultrasound
d) PET scan
Answer: C) Ultrasound
28. What condition might a CT scan assist in diagnosing:
a) Gallstones
b) Hearing loss
c) Meningitis
d) Hypertension
Answer: A) Gallstones
29. In an emergency, what advantage does a CT scan offer over an MRI for abdominal imaging?
A) Lower cost
B) Faster image acquisition
C) Higher spatial resolution
D) Reduced radiation exposure
Answer: B) Faster image acquisition
30. Which abdominal condition might a CT scan help diagnose:
a) Gastritis
b) Vertigo
c) Diabetes
d) Arthritis
Answer: A) Gastritis
31. What is the primary limitation of using CT scans for abdominal imaging?
A) Limited view of bony structures
B) Difficulty in detecting tumors
C) Potential allergic reactions to contrast
D) Radiation exposure
Answer: D) Radiation exposure
32. Which abdominal organ might a CT scan help evaluate in case of suspected hepatomegaly?
A) Spleen
B) Pancreas
C) Liver
D) Gallbladder
Answer: C) Liver
33. Which imaging technique is commonly used to guide procedures like biopsies or drain placements in the abdomen:
a) MRI
b) X-ray
c) CT scan
d) Ultrasound
Answer: C) CT scan
34. What is the primary benefit of using contrast material in a CT scan of the abdomen?
A) Reducing scan duration
B) Enhancing visibility of structures
C) Lowering patient discomfort
D) Minimizing radiation exposure
Answer: B) Enhancing visibility of structures
35. In a CT scan of the abdomen, what might a radiologist look for in case of suspected liver tumors?
A) Increased bone density
B) Enlarged lymph nodes
C) Enhancement patterns
D) Reduced blood flow
Answer: C) Enhancement patterns
36. Which of these conditions is NOT typically evaluated using a CT scan:
a) Kidney stones
b) Appendicitis
c) Osteoporosis
d) Abdominal aortic aneurysm
Answer: C) Osteoporosis
37. What might a CT scan reveal about a suspected case of bowel obstruction?
A) Presence of heart murmurs
B) Blood clot formation
C) Accumulation of gas and fluid
D) Increased bone density
Answer: C) Accumulation of gas and fluid
38. Which imaging technique is suitable for evaluating the presence of abdominal masses:
a) X-ray
b) MRI
c) CT scan
d) Ultrasound
Answer: C) CT scan
39. What aspect of the abdomen might a CT scan primarily focus on in a suspected case of peritonitis?
A) Muscle strength
B) Blood pressure levels
C) Presence of fluid or infection
D) Liver enzymes
Answer: C) Presence of fluid or infection
40. What is the common protocol regarding eating or drinking before an abdominal CT scan:
A) No restrictions
B) Fast for 2 hours
C) Avoid solid foods for 4-6 hours
D) Refrain from drinking water for 24 hours
Answer: C) Avoid solid foods for 4-6 hours
41. What is the main purpose of using intravenous contrast in a CT scan of the abdomen?
A) To reduce radiation exposure
B) To improve image quality
C) To diagnose bone fractures
D) To decrease scan time
Answer: B) To improve image quality
42. Which of the following is a common reason for performing a CT scan to assess the abdomen:
a) Hypothyroidism
b) Gastrointestinal bleeding
c) Knee injury
d) Cataracts
Answer: B) Gastrointestinal bleeding
43. What might a CT scan reveal about suspected abnormalities in the pancreas?
A) Enlarged lymph nodes
B) Presence of air in the lungs
C) Calcifications or tumors
D) Reduced blood pressure
Answer: C) Calcifications or tumors
44. Which imaging modality is primarily used for real-time monitoring during certain surgical procedures involving the abdomen:
a) MRI
b) X-ray
c) CT Scan
d) Fluoroscopy
Answer: D) Fluoroscopy
45. What is the typical duration of a CT scan of the abdomen?
A) 5 minutes
B) 15-30 minutes
C) 1-2 hours
D) Varies based on the patient's age
Answer: B) 15-30 minutes
46. In a CT scan, what term describes an area with higher density, appearing brighter in images?
A) Ischemia
B) Necrosis
C) Hypodensity
D) Hyperdensity
Answer: D) Hyperdensity
47. Which condition might a CT scan help identify in a patient experiencing chronic abdominal pain:
a) Pneumoniae
b) Ulcerative colitis
c) Glaucoma
d) Osteoporosis
Answer: B) Ulcerative colitis
48. What role does a radiopaque contrast play in a CT scan of the abdomen?
A) Reducing scan time
B) Enhancing visualization of tissues
C) Lowering the risk of allergic reactions
D) Minimizing radiation exposure
Answer: B) Enhancing visualization of tissues
49. Which of these abdominal organs might a CT scan help assess in cases of suspected gastrointestinal bleeding?
a) Liver
b) Spleen
c) Intestines
d) Bladder
Answer: C) Intestines
50. What might a CT scan reveal about a suspected case of pericardial effusion in the abdomen?
A) Fluid around the heart
B) Reduced lung capacity
C) Presence of gallstones
D) Enlarged lymph nodes
Answer: A) Fluid around the heart
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