MHMS • 2026 • Paper-IV (Technical Paper - II)
Soft tissue sarcomas arise from:
A)
Epithelial tissue
B)
Connective tissue
C)
Blood cells
D)
Nerve cells
Option B is correct: Connective tissue.
MHMS • 2026 • Paper-IV (Technical Paper - II)
The risk of infection is highest when there is:
A)
Needle stick injury
B)
Eye contact
C)
Speaking to patient
D)
Walking in ward
Option B is correct: Eye contact.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Adjuvant chemotherapy is given:
A)
Before surgery
B)
After surgery
C)
Only for metastatic disease
D)
Only in benign tumors
Option B is correct: After surgery.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Calibration in radiotherapy is mainly performed to ensure:
A)
Faster treatment delivery
B)
Accurate radiation dose output
C)
Overdose or underdose to the patient
D)
Protect patient and staff safety
Option B is correct: Accurate radiation dose output.
MHMS • 2026 • Paper-IV (Technical Paper - II)
The effectiveness of radiation therapy depends mainly on:
A)
Radiation dose
B)
Oxygen level
C)
Cell type
D)
All of the above
Option D is correct: All of the above.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Bony matching is commonly used because bones are:
A)
Stable anatomical landmarks
B)
Invisible in imaging
C)
Always moving
D)
Not visible on CT
Option A is correct: Stable anatomical landmarks.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Shielding thickness of bunker walls depends on:
A)
Radiation energy
B)
Workload of machine
C)
Distance from source
D)
All of the above
Option A is correct: Radiation energy.
MHMS • 2026 • Paper-IV (Technical Paper - II)
According to radiation safety guidelines, shielding must ensure that:
A)
Dose limits are not exceeded
B)
Radiation exposure increases
C)
Machines work faster
D)
Patients receive maximum dose
Option A is correct: Dose limits are not exceeded.
MHMS • 2026 • Paper-IV (Technical Paper - II)
A Multi-Leaf Collimator (MLC) is mainly used in which technique?
A)
Conventional radiotherapy
B)
Conformal radiotherapy
C)
Orthovoltage therapy
D)
Brachytherapy
Option C is correct: Orthovoltage therapy.
MHMS • 2026 • Paper-IV (Technical Paper - II)
According to radiation safety, exposure to radiation is:
A)
Directly proportional to time
B)
Inversely proportional to time
C)
Independent of time
D)
Always constant
Option A is correct: Directly proportional to time.
MHMS • 2026 • Paper-IV (Technical Paper - II)
The main target of radiation damage in the cell is:
A)
Cytoplasm
B)
Cell membrane
C)
DNA
D)
Mitochondria
Option D is correct: Mitochondria.
MHMS • 2026 • Paper-IV (Technical Paper - II)
A radiotherapy technologist may face legal action if:
A)
They perform duties responsibly
B)
They cause harm due to negligence
C)
They follow safety procedures
D)
They maintain records
Option A is correct: They perform duties responsibly.
MHMS • 2026 • Paper-IV (Technical Paper - II)
The main lymphatic drainage of the breast is to:
A)
Inguinal lymph nodes
B)
Axillary lymph nodes
C)
Pelvic lymph nodes
D)
Cervical lymph nodes
Option B is correct: Axillary lymph nodes.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Occupancy factor is important because:
A)
People may stay in adjacent areas
B)
Radiation intensity changes
C)
Machines produce more radiation
D)
Patients require longer treatment
Option B is correct: Radiation intensity changes.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Spinal cord tumors may be classified as:
A)
Intramedullary
B)
Extramedullary
C)
Extradural
D)
All of the above
Option D is correct: All of the above.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Histopathologic classification of tumors is primarily based on:
A)
Tumor size
B)
Cell of origin and microscopic appearance
C)
Patient age
D)
Radiation sensitivity
Option C is correct: Patient age.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Which isotope was historically used in brachytherapy but is now rarely used due to safety concerns?
A)
Radium-226
B)
Iridium-192
C)
Cesium-137
D)
Cobalt-60
Option A is correct: Radium-226.
MHMS • 2026 • Paper-IV (Technical Paper - II)
IMRT helps to:
A)
Increase radiation exposure to normal tissue
B)
Reduce dose to surrounding healthy organs
C)
Avoid radiation treatment
D)
Increase patient movement
Option B is correct: Reduce dose to surrounding healthy organs.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Planning Target Volume (PTV) is created to:
A)
Include tumor only
B)
Compensate for setup errors and patient movement
C)
Reduce tumor size
D)
Replace treatment planning
Option B is correct: Compensate for setup errors and patient movement.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Which of the following tumors is highly radiosensitive?
A)
Lymphomas
B)
Chondrosarcoma
C)
Melanoma
D)
Osteosarcoma
Option B is correct: Chondrosarcoma.
MHMS • 2026 • Paper-IV (Technical Paper - II)
If the hinge angle is 90°, what wedge angle is required? (Formula W=90-H/2)
A)
30°
B)
35°
C)
40°
D)
45°
Option D is correct: W=90−H/2=90−45=45°.
MHMS • 2026 • Paper-IV (Technical Paper - II)
The recommended annual effective dose limit for radiation workers is:
A)
1 mSv
B)
5 mSv
C)
20 mSv
D)
100 mSv
Option C is correct: 20 mSv.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Reduced saliva production after radiation is known as:
A)
Xerostomia
B)
Dysphagia
C)
Aphagia
D)
Dyspnea
Option A is correct: Xerostomia.
MHMS • 2026 • Paper-IV (Technical Paper - II)
A common symptom of paranasal sinus tumor is:
A)
Nasal obstruction
B)
Facial swelling
C)
Nose bleeding
D)
All of the above
Option A is correct: Nasal obstruction.
MHMS • 2026 • Paper-IV (Technical Paper - II)
Interstitial brachytherapy involves:
A)
Placing sources in body cavities
B)
Direct implantation of radioactive sources into tissues
C)
Surface applicators only
D)
Teletherapy
Option B is correct: Direct implantation of radioactive sources into tissues.
