| Post Name | Radiographer Grade. II |
|---|---|
| Department | Medical Education / Health Services |
| Question Paper Code | 090/2026/OL |
| Category Code | 191/2025, 546/2025 |
| Date of Test | 12 May 2026 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
For heavier nuclei, stability requires :
Answer
C. More neutrons than protons
2
The half-life of cobalt-60 is approximately 5.26 years. Its mean life is approximately :
Answer
C. 7.6 years
3
A generator operating at 100 kV and 500 mA has a capacity of :
Answer
B. 50 kW
4
For a tungsten target (Z = 74), what voltage is required to get efficiency ā 0.01 (1%)?
Answer
B. 150 kV
5
Added ļ¬ltration results in a beam with :
Answer
B. Higher average energy
6
The ions considered in exposure are :
Answer
C. Ions of one sign only
7
The special unit of equivalent dose is :
Answer
B. Sievert (Sv)
8
Kerma measures
Answer
B. Energy transferred to charged particles
9
The TLD material developed and used by BARC for Personnel Monitoring Service is
Answer
C. CaSO4 : Dy
10
Photoelectric eļ¬ect results a small changes in Z result in large change in absorption due to its
Answer
D. ZĀ³ dependence
11
At which vertebral level is the manubriosternal joint usually found?
Answer
B. T4 - T5
12
Which carpal bone lies in the proximal row on the radial side?
Answer
B. Scaphoid
13
The obturator foramen is formed by
Answer
B. Pubis and Ischium
14
The main function of the pectoral girdle is to :
Answer
B. Attach the upper limb to the axial skeleton
15
The lymphatic system plays an important role in :
Answer
C. Defense against pathogens
16
The respiratory center is located in the :
Answer
C. Medulla oblongata
17
Which gland is the largest salivary gland?
Answer
C. Parotid gland
18
Which enzyme is present in the stomach and contributes to chyme formation?
Answer
C. Pepsin
19
Which pancreatic hormone is secreted by beta ( ) cells?
Answer
B. Insulin
20
Which valve closes at the beginning of systole?
Answer
D. Both mitral and tricuspid
21
The test to determine adequate ļ¬ltration of an X ray beam is by measuring
Answer
B. Half Value Layer (HVL)
22
When the distance from the X ray source is doubled, the beam intensity is
Answer
C. Reduced by one fourth
23
X rays were discovered by
Answer
C. Roentgen
24
In intravenous urography (IVU) the ļ¬rst image taken after contrast injection is
Answer
B. Nephrogram
25
Ball Catcher's view is
Answer
C. Both hands posterior oblique
26
Anterior superior iliac spine is related to which part of the body ?
Answer
D. Hip
27
In radiography, Waterās projection is used to image
Answer
B. Paranasal sinuses
28
In radiography, the radiographic base line is
Answer
C. Orbitomeatal line
29
The following are properties of X rays, EXCEPT
Answer
D. Can be focussed by lens
30
A developer solution for manual processing contain all the following, EXCEPT
Answer
B. Sodium thiosulphate
31
In a ļ¬lm badge, the ļ¬lter used for detecting neutrons is
Answer
C. Cadmium
32
Regarding Computed tomography (CT), table movement per gantry rotation is called
Answer
D. Pitch
33
Eļ¬ective shielding material for beta radiation is
Answer
C. Perspex
34
Thermoluminiscent dosimeter (TLD) to measure eļ¬ective body dose should be worn
Answer
D. Inside the lead apron chest position
35
The eļ¬ective dose from a PA chest examination is typically
Answer
A. 0.02 mSv
36
The radiographic procedure to visualise intracranial vessels is called
Answer
D. Cerebral angiography
37
The CT number of water is
Answer
C. 0 HU (zero HU)
38
The regulatory board for radiation installations in India is
Answer
B. Atomic Energy Regulatory Board
39
DEXA is used for
Answer
D. Bone Mineral Densitometry
40
In MRI , TR and TE are expressed in
Answer
C. Milli seconds
41
Which principle of medical ethics ensures that the patient is the primary decision-maker in their own care?
Answer
C. Respect for Autonomy
42
According to AERB, what is the annual radiation dose limit for occupational workers, averaged over ļ¬ve consecutive years?
Answer
D. 20 mSv
43
According to AERB guidelines, where is the safest place for a technologist to store their TLD badge after completing their routine work?
Answer
C. In a radiation-free area outside the X-ray room
44
In a radiology department, who bears the ultimate responsibility for obtaining informed consent, even if the task is delegated to a technologist?
Answer
B. The radiologist
45
Which fundamental principle of radiation protection states that all exposures should be kept as low as reasonably achievable (ALARA)?
Answer
B. Optimization
46
In pediatric imaging, a technologist selects a lower exposure factor (mAs) that results in a slightly higher level of noise. Despite the reduced aesthetic quality, the image remains suļ¬cient to visualize the speciļ¬c anatomical structures required for the doctorās diagnosis. This deliberate practice of balancing patient safety with ājust enoughā image quality is best described by which principle?
Answer
C. The ALADA Principle
47
For ļ¬xed radiography installations, where must the technologist stand during the exposure to protect themselves from scattered radiation?
Answer
C. Behind a protective barrier
48
In an emergency situation where life-saving radiological procedures are necessary but consent cannot be obtained, the procedure should be performed based on:
Answer
B. The patient's best interests
49
During Interventional Radiology (IR) procedures, what additional protective measures should be used to minimize radiation dose to medical personnel?
Answer
B. Ceiling suspended screens and couch hanging lead ļ¬aps
50
Which of the following statements correctly matches the type of radiation dose with its SI unit?
Answer
A. Absorbed dose is measured in Gray (Gy), while equivalent and eļ¬ective doses are measured in Sievert (Sv)
51
The SI unit of absorbed dose is
Answer
B. Gray
52
Which of the following is used as the source in a conventional telecobalt unit?
Answer
C. Cobalt - 60
53
The "D-max" (Depth of maximum dose) for a 6 MV photon beam is approximately
Answer
B. 1.5 cm
54
The half-life of Cobalt-60 is approximately :
Answer
B. 5.26 years
55
Inverse square law states
Answer
B. Dose 1/distance2
56
The half-value layer (HVL) is the thickness of material required to reduce the beam intensity by
Answer
B. 50%
57
Thermoluminescent Dosimeters (TLD) commonly use which material?
Answer
B. Lithium Fluoride (LIF)
58
Isocenter is deļ¬ned as
Answer
B. The intersection point of the gantry, collimator and couch axes
59
The target in a high-energy Linear Accelerator is typically made of :
Answer
B. Tungsten
60
Branchytherapy "High Dose Rate" (HDR) usually refers to a dose rate of
Answer
A. > 12 Gy/hour
61
Which of the following is a common screening test for Cervical Cancer?
Answer
C. Pap Smear
62
The biological mechanism by which cancer spreads from the primary site to distant organs is:
Answer
B. Metastasis
63
Which of the following is a radio-resistant tumor?
Answer
B. Osteosarcoma
64
Etiology of Mesothelioma is strongly linked to:
Answer
C. Asbestos exposure
65
The term āAdjuvant Radiotherapyā refers to treatment given:
Answer
C. After the primary treatment (like surgery)
66
The "TNM" staging system is maintained by:
Answer
B. AJCC/UICC
67
The anatomical landmark 'Carina' is located at the level of:
Answer
B. T4-T5
68
The āSentinel Lymph Nodeā is:
Answer
B. The ļ¬rst node to receive lymphatic drainage from a tumor
69
The most common histological type of Head and Neck cancers is:
Answer
B. Squamous Cell Carcinoma
70
Which virus is strongly associated with Nasopharyngeal Carcinoma?
Answer
B. Epstein-Barr Virus (EBV)
71
D0 represents the dose required to reduce the surviving fraction of cells to ____________ % of cells.
Answer
D. 37%
72
Dose limit for stochastic eļ¬ect for occupational exposure is
Answer
Question Cancelled
73
The most aggressive form of Thyroid cancer is
Answer
D. Anaplastic Thyroid Cancer
74
According to AJCC 9th edition, Ca breast cT3 represents
Answer
C. Tumour size more than 5 cm
75
The 4 Rs of Radiobiology include all except
Answer
B. Regeneration
76
Example for a high LET radiation
Answer
B. Alpha particle
77
Conventional fractionation in radiotherapy means
Answer
B. 2 Gy
78
The primary purpose of fractionation in radiotherapy is to:
Answer
B. Reduce normal tissue damage
79
Short-course radiotherapy schedule for rectal cancer
Answer
B. 25 Gy/5 fractions
80
The commonest site of metastasis in carcinoma of the prostate is
Answer
D. Bone
81
The Imaging technique most useful for soft tissue delineation in brain radiotherapy is
Answer
A. MRI scan
82
The target volume that includes setup uncertainties and internal organ motion added to the CTV is
Answer
C. PTV
83
Following radiation exposure, the skin reaction after 2 to 3 weeks is
Answer
C. Erythema
84
Which immobilisation device is commonly used in head and neck radiotherapy?
Answer
B. Thermoplastic mould
85
Radiation myelopathy is injury to which organ?
Answer
D. Spinal cord
86
A ļ¬eld technique with a lateral parallel opposed lateral beam arrangement is commonly used in
Answer
A. Larynx
87
An X-ray Machine which can reproduce radiation treatment conditions is called
Answer
D. Simulator
88
The Primary treatment for locally advanced cervical cancer is
Answer
B. Concurrent chemoradiation
89
Half-life of lridium-192 is
Answer
B. 74 days
90
The technique of delivering radiotherapy where the gantry continuously rotates while modulating beam intensity is
Answer
D. VMAT
91
Which of the following techniques uses daily imaging to verify patient positioning before treatment?
Answer
B. Image-Guided Radiotherapy
92
The main purpose of immobilization devices in radiotherapy is to:
Answer
C. Ensure reproducibility of treatment position
93
Which of the following is a basic principle of radiation protection?
Answer
C. Use shielding
94
The unit of absorbed radiation dose is:
Answer
B. Gray (Gy)
95
Intensity Modulated Radiotherapy diļ¬ers from 3DCRT because:
Answer
B. It modulates beam intensity across the ļ¬eld
96
A common gap in radiotherapy delivery in resource-limited settings is:
Answer
B. Lack of trained personnel
97
Which ethical principle is most important while taking informed consent?
Answer
B. Autonomy
98
When a patient is anxious before treatment, the best initial approach is to:
Answer
D. Provide clear explanation and reassurance
99
In Image-Guided, Radiotherapy, the main advantage is:
Answer
B. Real-time veriļ¬cation of target position
100
The typical energy range of megavoltage beams used in external beam radiotherapy is :
Answer
C. 1 ā 25 MV
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