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Question Paper Code:   19/2016/OL
Category Code: 333/2013
Exam:    X ray Technician
Medium of Question:    English
Date of Test       29-01-2016
Alphacode          A

Question21:-Radioactivity was first described by
C:-Joseph Lister

Correct Answer:- Option-B
Question22:-Lymphatic drainage of anal canal is to
A:-Inguinal lymph nodes
B:-External iliac lymph nodes
C:-Internal iliac lymph nodes
D:-Para aortic lymph nodes

Correct Answer:- Option-A
Question23:-What is the main mode of heat transfer in rotating anode X-ray tube ?
D:-All the above

Correct Answer:- Option-C
Question24:-The plane that divides the body into right and left halves
A:-Median sagittal plane
B:-Coronal plane
C:-Axial plane
D:-Mid-axillary plane

Correct Answer:- Option-A
Question25:-Half-life of Cobalt-60 is
 A:-6.26 years
B:-5.67 years
 C:-5.26 years
 D:-6.67 years

Correct Answer:- Option-C
Question26:-Most common histopathology in head and neck carcinoma is
A:-Squamous cell carcinoma

Correct Answer:- Option-A
Question27:-Lymphatics from tonsil drain into
A:-Mediastinal lymph nodes
B:-Jugulodigastric lymph nodes
C:-Submental lymph nodes
D:- Lower deep cervical lymph nodes

 Correct Answer:- Option-B

Question28:-The original phosphor used in X-ray intensifying screen is
B:-` CaSO_(4)`

Correct Answer:-Question Cancelled

Question29:-Most common histopathology of carcinoma breast is
B:-Infiltrating duct carcinoma
C:-Lobular carcinoma
D:-Squamous cell carcinoma

Correct Answer:- Option-B
Question30:-In which projection, is the central ray incident on the position aspect and emerges from the anterior aspect of the body ?
A:-Posteroanterior projection
 B:-Anteroposterior projection
 C:-Lateral projection
D:-Oblique projection

 Correct Answer:- Option-A
Question31:-Orthopantomogram is taken to rule out lesion in
C:-Facial bone

Correct Answer:- Option-A
Question32:-Length or esophagus is
A:-10 cm
B:-15 cm
 C:-25 cm
D:-40 cm

Correct Answer:- Option-C
Question33:-The process by which electrons are emitted from a X-ray cathode filament
C:-Thermo luminescence
D:-Thermionic emission

 Correct Answer:- Option-D
Question34:-Superficial X-ray therapy include X-rays of potentials ranging from
 A:-5 to 50 kilovolt
B:-50 to 150 kilovolt
 C:-100 to 150 kilovolt
D:-150 to 300 kilovolt

Correct Answer:- Option-B
Question35:-PET scan is
A:-Positive Emission Tomography
 B:-Positron Emission Tomography
 C:-Pulsatile Emission Tomography
D:-None of the above

Correct Answer:- Option-B
Question36:-The bed of stomach is NOT formed by        normally.
A:-Left Kidney
B:-Left suprarenal gland C:-Splenic vein
D:-Tail of pancreas Correct Answer:- Option-A
Question37:-Unity film speed is A:-`Gy^(-1)`
Correct Answer:- Option-B
Question38:-Maximum dose region in Cobalt-60 teletherapy lies at       cm from the surface.
A:-0.1 cm
B:-1 cm
C:-5 cm
 D:-0.5 cm

Correct Answer:- Option-D
Question39:-The ability to demonstrate closely placed structures in the subject as separate entities in the image is

Correct Answer:- Option-A
Question40:-In Cobalt-60 machine, which ray is used for external beam radiotherapy ?
A:-Alpha ray
 B:-Beta ray
C:-Gamma ray

Correct Answer:- Option-C
Question41:-Lymphatics of breast drain into
A:-Posterior intercostal lymph node
B:-Axillary lymph node
C:-Internal mammary lymph node
D:-All of the above

Correct Answer:- Option-D
Question42:-Contrast is more with screen film combination than direct X-ray exposure because
 A:-X-ray to light conversion efficiency is more
B:-X-ray absorption efficiency is more
C:-Screen is more sensitive to high energy radiation
D:-Screen is more sensitive to low energy radiation

Correct Answer:- Option-C
Question43:-Most common histopathology in cancer cervix is
A:-Squamous cell carcinoma
B:-Adenocarcinoma C:-Lymphoma

Correct Answer:- Option-A
Question44:-Geometric unsharpness can be reduced by
 A:-Reducing focal spot size
B:-Increasing object-image distance C:-Decreasing focus-image distance
D:-Using tube with large focal spot size

Correct Answer:- Option-A
Question45:-IMRT refers to
A:-Intensive Modulated Radiotherapy
 B:-Intensity Modulated Radiotherapy
 C:-Image Modulated Radiotherapy
D:-None of the above

Correct Answer:- Option-B
Question46:-Most vascular part of bone is
D:-Epiphyseal cartilage

Correct Answer:- Option-B
Question47:-`(cd//m2)/(mR//sec)` is
 A:-Brightness gain
B:-Minification gain
C:-Conversion factor
D:-Flux gain

Correct Answer:- Option-C
Question48:-Which interaction of X-rays is the basis of radiographic contrast between bone and soft tissues ?
A:-Photoelectric effect
B:-Contrast scattering
C:-Compton scattering
D:-Pair production

Correct Answer:- Option-A
Question49:-The name of invisible image formed as a result of exposure to radiation which later becomes visible during photographic development
A:-Latent image
B:-Photographic image

Correct Answer:- Option-A
Question50:-In conventional radiation therapy, daily fraction dose given will be
A:-1 to 1.5 Gy
B:-1.8 to 2 Gy
C:-2 to 2.8 Gy
D:-None of the above

 Correct Answer:- Option-B
Question51:-     is the beam modifying device used for tilt of isodose curves from normal position.
D:-Cerrobend blocks

Correct Answer:- Option-A
Question52:-Lymphatics from uterus drain to all except
 A:-External iliac lymph nodes
B:-Internal iliac lymph nodes
C:-Inguinal lymph nodes
D:-Mesenteric lymph nodes

Correct Answer:- Option-D
Question53:-Inherent filtration of X-ray tube is equivalent to
 A:-<0.5 mm Al
B:-0.5-1 mm Al
 C:-1.5 mm Al
D:-2.5 mm Al

Correct Answer:- Option-B
Question54:-     is the cheapest and most commonly used imaging modality in the initial staging of Hodgkin's disease.
A:-CT scan
B:-MRI scan
D:-PET scan

Correct Answer:- Option-A
Question55:-Which of the following layers of the film contain silver halide crystals ?
A:-Super coat B:-Base
C:-Adhesive layer

Correct Answer:- Option-D
Question56:-Ammonium Triphosphate is used as
A:-Developing agent
D:-Fixing agent

Correct Answer:-Question Cancelled
Question57:-     is a tissue equivalent material placed close to skin surface.
A:-Orfit shell

Correct Answer:- Option-B
 Question58:-Cancer cervix staging following is
A:-TNM staging
B:-GTNM staging
C:-FIGO staging
D:-None of the above

Correct Answer:- Option-C
Question59:-The concentration of detectable hydrogen nuclei in a biological tissue is termed as
A:-Spin density
B:-Electron density C:-Spin echo
D:-Gyromagnetic ratio

Correct Answer:- Option-A

Question60:-Safe light used in dark room is related to film sensiti ve region of visible light as
A:-Low intensity
B:-Low volt
C:-Low frequency
 D:-Low wavelength

Correct Answer:- Option-C
Question61:-The ability of X-ray film or film-screen combination system to define an edge is
D:-Radiographic mottle

Correct Answer:- Option-B
Question62:-Commonest site from which nasopharyngeal carcinoma arises is
A:-Torus tubaris
B:-Fossa of Rossenmuller
C:-Posterior pharyngeal wall

Correct Answer:- Option-B
Question63:-Radiation source used in HDR brachytherapy

Correct Answer:- Option-D
Question64:-The process by which exposed silver halide crystals are converted to metallic silver is called A:-Development

Correct Answer:- Option-A
Question65:-The speed of intensifying screen increases with all the following except
 A:-Large crystal size
B:-Thick phosphor layer
 C:-Reflective layer
D:-Absorptive layer

 Correct Answer:- Option-D
Question66:-Film fog is caused by
A:-Increased development of exposed silver halide crystals
B:-Reduced development of exposed silver halide crystals
C:-Development of unexposed silver halide crystals
D:-Removal of unexposed silver halide crystals

Correct Answer:- Option-C
Question67:-Translate-rotate tube technology with multiple detectors is used in
 A:-Fourth generation CT scan
B:-Third generation CT scan
 C:-First generation CT scan
D:-Second generation CT scan

Correct Answer:- Option-D
Question68:-Typical effective dose with a chest X-ray postero-anterior view is
A:-0.02 millisievert
B:-2 millisievert
C:-10 millisievert
D:-100  millisievert

Correct Answer:- Option-A
Question69:-Uterus and fallopian tubes are assessed by
A:-Micturating cystourethrography
B:-Intravenous urethrography

Correct Answer:- Option-C
 Question70:-Sialogram is used to study
A:-Salivary glands
B:-Spinal cord
C:-Small intestine
D:-Blood vessel

Correct Answer:- Option-A
Question71:-Which of the following is an ionic contrast medium ?

Correct Answer:- Option-D
Question72:-Which is NOT true regarding mammography ?
A:-The generator must be able to maintain a very accurate Kvp in the range of 25-35 Kvp
B:-The X-ray tube has certain special design features, including a beryllium window and a molybdenum target
C:-Focal spot is very large
D:-The tube filter is 0.03 mm of molybdenum or 0.5 aluminium equivalent to absorb X-rays below the optimum Kvp range

Correct Answer:- Option-C
Question73:-Stenver's view is used to assess
C:-Greater tuberosity of humerus
D:-Petrous temporal bone

Correct Answer:- Option-D
Question74:-Xiphisternal joint is at the level of
 A:-`6^(th)` thoracic vertebra
B:-`9^(th)` thoracic vertebra
C:-`1^(st)` lumbar vertebra
 D:-`3^(rd)` lumbar vertebra

Correct Answer:- Option-B
Question75:-Lordotic view is used to demonstrate
A:-Exaggerated lumbar lordosis
B:-Para nasal sinuses
C:-Lung apices
D:-Middle lobe collapse

 Correct Answer:- Option-D
Question76:-In a postero-anterior view (PA view) of chest
A:-Cardiac shadow is magnified
B:-Scapula is projected over upper lobes
C:-Appears more diffusely opaque if overpenetrated
D:-Is adequate if 8-10 posterior ribs are seen above diaphragm

Correct Answer:- Option-D
Question77:-The activator commonly used with rare earth phosphor gadolinium oxysulphide is

Correct Answer:- Option-A
Question78:-Enteroclysis is used in the evaluation of
 A:-Hepatobiliary system
B:-Fallopian tubes
 C:-Small bowel
D:-Thecal sac

Correct Answer:- Option-C
 Question79:-SI unit of dose equivalent is

Correct Answer:- Option-D
Question80:-Which of the following is NOT a deterministic effect of radiation ?
A:-Skin erythema
D:-Fetal abnormality

Correct Answer:- Option-C
Question81:-Radiation worker's exposure is limited to an annual effective dose equivalent of
 A:-5 mSv
B:-15 mSv
 C:-50 mSv
 D:-100 mSv

Correct Answer:-Question Cancelled
Question82:-Primary radiation barrier materials used include
D:-Any of the above
 Correct Answer:- Option-D
Question83:-Personal monitoring devices include all EXCEPT
A:-Geiger Muller counter
B:-Film badges
C:-TLD badges
D:-Pocket dosimeters

 Correct Answer:- Option-A
Question84:-X-ray radiation monitoring instruments include all EXCEPT
A:-Ionization chamber
B:-Geiger Counter
C:-Neutron rem counter
D:-Photographic film

Correct Answer:- Option-C
Question85:-Therapeutic range of electrons is given by depth of             depth dose.

Correct Answer:- Option-B
Question86:-Field shaping is done by all EXCEPT
A:-Custom blocking
B:-Wedge filters
C:-Independent jaws
D:-Multi leaf collimators

 Correct Answer:- Option-B
Question87:-In linear accelerator, photon beam passes from the source till the exit from gantry head in the order
 A:-Primary collimator → ion chamber → filter → MLC
B:-Primary collimator → filter → ion chamber → MLC
 C:-Primary collimator → MLC → filter → ion chamber
D:-Filter → primary collimator → MLC → ion chamber

Correct Answer:- Option-B
Question88:-Gating is a newer technique used in the treatment of
 A:-Ca rectum
B:-Ca tongue
C:-Ca lung
D:-Ca ovary

Correct Answer:- Option-C
Question89:-Electronic Portal Imaging Device (EPID) in radiotherapy is used for
A:-Treatment planning
B:-Treatment verification
C:-CT simulation
D:-Conversional simulation

Correct Answer:- Option-B
Question90:-All head and neck malignancies have the same nodal staging in TNM system except in cancer.
A:-Buccal mucosa

Correct Answer:- Option-D
Question91:-Radiation reactions in head and neck radiation include all EXCEPT
B:-Skin pigmentation
C:-Bleeding per vaginum
D:-Dry mouth

Correct Answer:- Option-C
Question92:-Total external beam radiation dose given in the treatment of cancer cervix stage III is
A:-25 Gy
B:-35 Gy
C:-45 Gy
D:-65 Gy

Correct Answer:- Option-C
Question93:-Which is the oncologic emergency treated with radiation ?
A:-Tumour lysis syndrome
B:-Superior venacaval obstruction
D:-None of the above

Correct Answer:- Option-B
Question94:-Post mastectomy radiation is given by
 A:-4 field box technique
B:-Tangential fields
C:-Lateral parallel pair
D:-None of the above

Correct Answer:- Option-B
Question95:-Radiation treatment is given for the following non-malignant brain condition

Correct Answer:- Option-D
Question96:-The following radiation fields are used in the treatment of lymphoma EXCEPT
 A:-Mantle field
B:-Inverted Y field
C:-Dog leg field
D:-Pencil beam field

Correct Answer:- Option-D
Question97:-Craniospinal irradiation is primarily used in the treatment of
 B:-Vertebral metastasis
D:-Multiple myeloma

Correct Answer:- Option-C
Question98:-Scalp hair loss occurs in the following conditions EXCEPT
A:-Cranial irradiation
C:-Both 1 & 2
D:-Pelvic irradiation

 Correct Answer:- Option-D
Question99:-Multiple punched-out lesions in skull X-ray is characteristically seen in
 A:-Non-Hodgkin's lymphoma
B:-Hodgkin's disease
C:-Soft tissue sarcoma
D:-Multiple Myeloma

Correct Answer:- Option-D
Question100:-The phenomenon in which light continues to emit for sometime even after the radiation exposure has ended is called
B:-Quantum mottle
Correct Answer:- Option-C

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