PSC EXAM ANSWER KEY TECHNICAL ASSISTANT X-RAY 22-08-2016

TECHNICAL ASSISTANT X-RAY,GOVT.AYURVEDA COLLEGE(ONLINE EXAMINATION)

EXAM DATE:22-08-2016

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1.On the banks of which river the famous city of Kolata situated?

A.Indus

B.Hughly*

C.Brahmaputra

D.Tapti

Ans:B

2.In which state of India,the Kakrapara project is located?

A.Rajastan

B.Punjab

C.Gujarat*

D.Haryana

Ans:C

3.Which mountain ranges separate North India from the Deccan?

A.Vindhya-Satpura*

B.Himalayas

C.Anamudi

D.Siwalik

Ans:A

4.How many National Waterways are there in India?

A.3

B.5

C.7

D.9*

Ans:D

5.The Governor-General of India at the time of the foundation of Indian National Congress?

A.Cheimsford

B.Dalhousie

C.Dufferin*

D.Ripon

Ans:C

6.Which was the only session  of Indian National Congress presided by Gandhi?

A.Allahabad

B.Guwahati

C.Belgaum*

D.Kakinada

Ans:C

7.Who was the first to describe the mutiny of 1857 as the first war of Indian Independence?

A.Subhash Chandra Bose

B.V.Savarkar*

C.Romila Taper

D.Tharachand

Ans:B

8.The founder of Satya Shodhak Samaj?

A.Atmaram Pandurang

B.Gopal Hari Deshmukh

C.M.G.Ranade

D.Jyothiba Phule*

Ans:D

9.Who was the president of the Indian National Congress in the Gaya Session of 1922?

A.C.R.Das*

B.Motilal Nehru

C.Gokhale

D.Tilak

Ans:A

10.When was the historic temple entry proclamation made?

A.April 12,1936

B.November 12,1936*

C.March 12,1936

D.June 12,1936

Ans:B

11.Who took initiative to form Anthar Jana Samajam at Chettupuzha?

A.Sreedevi Kannampalli

B.Uma Alampalli

C.Kavumkara Bhargavi

D.Parvathy Nenminimangalam*

Ans:D

12.Who is known as the father of Kerala Renaissance?

A.Kumaran Asan

B.Sree Narayana Guru*

C.Chattampi Swamikal

D.V.T.Bhattathiripad

Ans:B

13.Owner of ‘Swadeshabhimani’edited by K.Ramakrishna Pillai?

A.C.V.Kunjiraman

B.K.Kelappan

C.Dr.Palpu

D.Vakkom Abdul Khadir Maulavi*

Ans:D

14.The Savarna Jatha to support the Vaikkom Satyagraha was organized by

A.Mannath Padmanabhan*

B.T.K.Madhavan

C.K.Kelappan

D.Sahodaran Ayyappan

Ans:A
15.The Malayalee women who attended the International Women’s Conference held at Copenhagen in 1949?

A.Kamala Nambeesan

B.Ammu Swaminathan*

C.Arya Pallam

D.Priyadutta Mullamangalath

Ans:B

16.Which day is observed as Human Rights Day?

A.December 10*

B.January 10

C.March 10

D.May 10

Ans:A

17.Operation Protective Edge is the name of which country’s controversial military action launched on its neighborhood?

A.Syria

B.Jordan

C.Iran

D.Israel*

Ans:D

18.Mutual Funds are regulated in India by which among the following ?

A.RBI

B.SEBI*

C.Stock Exchange

D.UTI

Ans:B

19.Who received the Golden Ball award for the best player of the FIFA World Cup 2014?

A.Microslay Klose

B.Karim Bensema

C.Angel D’Maria

D.Lionel Messy*

Ans:D

20.With which game is Davis Cup associated?

A.Football

B.Cricket

C.Tennis*

D.Hockey

Ans:C

21.Which of the following is not an x-ray interaction with the atoms of absorbing medium?

A.Photo Electric Edffect

B.Bremsstrahlung*

C.Pair Production

D.Compton Effect

Ans:B

22.The target material used in General purpose Radiography x-ray machine is
A.Tungsten*

B.Copper

C.Stainless Steel

D.Aluminium

Ans:A

23.The tilting of anode of a x-ray tube with respect to incident electron axis is
A.Line Focus Principle*

B.Anode hell effect

C.Duane Hunt Principle

D.None of the above

Ans:A

24.The vertical plane passing longitudinally  through the human body,divides the body into right and left halves is termed as

A.Transverse plane

B.Coronal Plane

C.Medial plane*

D.None of the above

Ans:C

25.The SI unit of electric current is:

A.Ampere*

B.Coulomb

B.Farad

D.Ohm

Ans:A

26.The power loss in a transformer can occur due to

A.Eddy current
B.Core loss

C.Leakage of flux

D.All of the above*

Ans:D

27.Anode of a rotating anode x-ray tube is rotating with the help of

A.Induction motor*

B.DC Motor

C.Battery

D.None of the above

Ans:A

28.The base of an x-ray film is made of

A.Gadolinium

B.Gelatin

C.Silver

D.Polyester*

Ans:D

29.The active ingredient in emulsion of a Radiographic film is:

A.Silver halide*

B.Cellulose triacetate

C.Rare earth  materials

D.Sodium Sulphate

Ans:A

30.X-ray tube rating charts includes

A.Radiographic rating chart

B.Anode cooling chart

C.Housing cooling chart

D.All of the above*

Ans:D

31.The Radiographic grid was first designed by

A.Bucky*

B.Roentgen

C.Coolidge

D.Faraday

Ans:A

32.Waters view is used for the examination of

A.Ankle

B.Skull

C.Maxillary sinuses*

D.Foot

Ans:C

33.The annual equivalent radiation dose limit for radiation workers in India is:

A.1 mSv

B.20 mSv*

C.100 mSv

D.0.1 mSv

Ans:B

34.The deposition of metallic silver in a radiographic film without exposure to radiation results

A.Artifacts

B.Fog*

C.Latitude

D.Gamma

Ans:B

35.Which of the ollowing component is not connected with the secondary coil of high tension transformer of x-ray generator circuits?

A.X-ray tube

B.Rectifier

C.mA meter

D.KVp meter*

Ans:D

36.The relative ability of radiograph emulsion to respond to x-ray or light is:

A.Speed*

B.Latitude

C.Optical density

D.Contrast

Ans:A

37.Myelogram was the gold standard for the diagnosis of disease of

A.Neutral canal*

B.Kidney

C.Heart

D.Orbit

Ans:A

38.Which of the following is a common cause of x-ray tube failure?

A.Extremely high voltage

B.Burnt out filament

C.Anode melting

D.All of the above*

Ans:D

39.The advantage of CT over MRI is

A.Lack of artifacts from adjacent bones

B.Multiplane capabilities

C.Fine bone details*

D.Soft tissue contrast

Ans:C

40.Molybdenum and rhodium targets are used in----------x-ray tubes

A.CT machines

B.Angiography machines

C.Mammography*

D.Dental x-rays

Ans:C

41.Movement unsharpness in radiographs are due to

A.Heart bet

B.The pulse

C.Peristalsis

D.All of the above*

Ans:D

42.Empty urinary Bladder require before

A.Pelvic Ultrasound

B.CT of Pelvis

C.Hysterosalpingography*

D.All of the above

Ans:C

43.Computed Tomography(CT)machines with two x-ray tybes,two rows of detector,one gantry and one patient table is

A.Multislice CT machines

B.Electron Beam CT

C.Spiral CT

D.Dual Source CT*

Ans:D

44.The upper border of sternum is

A.Supra sterna notch*

B.Acromion

C.Xiphi sternum

D.None of the above

Ans:A
45.The blood flow in the circulatory system can be studied using

A.Doppler techniques*

B.Nuclear magnetic resonance techniques

C.Tomography techniques

D.Scintigraphy

Ans:A

46.The only movable bone in the skull is

A.Frontal bone

B.Nasal bone

C.Mandible*

D.Temporal bone

Ans:C

47.Most of the Limb Joints are

A.Synovial joints*

B.Fibrous joints

C.Cartilaginous joints

D.None of the above

Ans:A

48.The lordotic AP projection of chest is use full for evaluating

A.The carina

B.Pleural effusion

C.An apical lesion*

D.All of the above

Ans:C

49.The metacarpal bones are:
A.Four in numbers

B.Five in numbers*

C.Fourteen in numbers

D.Two in numbers

Ans:B

50.A normal red blood cell has a life span of:

A.365 days

B.1 day

C.24 days

D.120 days*

Ans:D

51.Which of the following is not an endocrine gland?

A.Pituitary

B.Adrenalls

C.Pancreas

D.Spleen*

Ans:D

52.Bending of knee joint is

A.Flexion*

B.Extension

C.Abduction

D.Pronation

Ans:A

53.The patella or knee cap is a

A.Long bones

B.Flat bones

C.Sesamoid bone*

D.Irregular bones

Ans:C

54.Length of adult human spinal cord is around

A.10 cm

B.15 cm

C.45 cm*

D.75 cm

Ans:C

55.Blood volume of average adult human being is

A.5 Litres*

B.1 Litre

C.10 Litres

D.20 Litres

Ans:A

56.Pleura is the membrane covering

A.Lung*

B.Heart

C.Brain

D.None of the above

Ans:A

57.True statement regarding the radiography of cervical spine is

A.No tube angulations required in the AP view

B.The tube is angled 5 to 10 degree cephaled*

C.A short focus to film distance required for lateral projection

D.None of the above

Ans:B

58.Which of the following isotope is not used for permanent implant in brachytherapy?

A.Gold 198

B.Iodine 125

C.Palladium 103

D.Cesium 137*

Ans:D

59.Cobalt 60 radioactive isotope has a half life of

A.74 days

B.1620 years

C.30 years

D.5.6 years*

Ans:D

60.Which of the following is a beam modifying device used in Radiotherapy?

A.Phantom

B.Wedges*

C.Breast Board

D.Thermoplastic masks

Ans:B

61.Which of the following readiation detectors cannot be used in automatic exposure control(Photo timers)in an x-ray generator system?

A.Thermolum inesent detector*

B.Photo multiplier detector

C.Ionization detector

D.Solid state detector

Ans:A

62.CT number for air is

A.0

B.-1000*

C.1000

D.1

Ans:B

63.The degree of blackening of Radiographic of film is described by

A.Optical density*

B.Film sensitivity

C.Film speed

D.Gamma

Ans:A

64.True statement regarding plain abdominal radiography is

A.A short exposure time is unnecessary

B.The lower border of cassette should be positioned at the level of pubis symphysis

C.Injection of air via nasogastric tube helps in diagnosis of perforation*

D.All of the above

Ans:C

65.The Gadolinium-diethyltriamine pents acetic acid(Gd-DTPA)is a

A.Contrast medium used in Magnetic Resonance Imaging*

B.Contrast media used for CT imaging

C.Contrast media used in Fluroscopy

D.Emulsion used in x-ray films

Ans:A

66.Which of the following is not a Magnetic Resonance Imaging Parameter?

A.Spin Density

B.Electron Density*

C.T2 Relaxation Time

D.T1 Relaxation Time

Ans:B

67.The inherent filtration in an x-ray tube ranges from

A.0.5 to 1 mm AL*

B..001 to 0.01 mm lead

C..05 to 1 m lead

D.2 to 4 mm Al

Ans:A

68.The added filter used for the radiography of body part of uneven thickness is

A.Heavy metal filters

B.Inherent filtration

C.Wedge filter*

D.None of the above

Ans:C

69.The magnitude of scattered radiation during radiography depends on

A.Energy of x-ray

B.Field size

C.Thickness of patient

D.All of the above*

Ans:D

70.Grid ratio is the

A.Ratio of the height of the lead strips to the width of the inter space material*

B.Number of lead strip lines per centimetre

C.Ratio exposure with grid and without grid

D.Raio of contrast with and without grid

Ans:A
71.Which of the following is a method of scatter reduction in radiography other than using grid?

A.Use of collimator

B.Scanning slit

C.Air gap method

D.All of the above*

Ans:D
72.In spiral CT scanners

A.No ring  detectors

B.Stationary x-ray tube

C.Patient table stationary

D.Patient table moving during scanning process*

Ans:D

73.A radiation detector not suitable for the use in CT scanner is

A.Sodium Iodine Detector

B.Bismuth Germanate Detector

C.Fricke Detector*

D.Cadmium Tungstate

Ans:C

74.Main advantage of fourth generation CT scanner is

A.Less patient dose

B.Elimination of ring artifact*

C.Less scattered radiation
D.All of the above

Ans:B

75.Qunatum mottle is due to

A.Statistical fluctuation in the number of x-rays emitted from x-ray tube*

B.Patient motion

C.Absorption of radiation by high density material

D.Heterogeneous x-ray spectrum

Ans:A

76.CT number of dense bone is

A.+100

B.+1000*

C.+55

D.+35

Ans:B

77.Ring of stationary detectors were introduced in

A.First generation CT scanners

B.Second generation CT scanners

C.Third generation CT scanners

D.Fourth generation CT scanners*

Ans:D

78.Auto transformer works on the principle of

A.Self induction*

B.Mutual induction

C.Ohm’s law

D.Joules law

Ans:A

79.Radioactivity first discovered by

A.William Conrad Roentgen

B.Madam Curie

C.Henry Becquerel*

D.Charles Rutherford

Ans:C

80.X-rays were discovered  in the year

A.1985

B.1895*

C.1589

D.1986

Ans:B

81.Use of intensifying screen results

A.Lower patient dose

B.Increase radiographic contrast

C.All of the above*

D.None of the above

Ans:C

82.In a rotating anode x-ray tube the anode having an Area “A”is tilted to an angle of 10 degree

Then the effective focal area will be

A.A sin 10*

B.A x 20

C.A-20

D.A cos20

Ans:A

83.------------is a double emulsion film?

A.Mammographic film

B.Duplicating film

C.Subtraction film

D.Dental film*

Ans:D

84.Which of the following is not used as a phosphor in the intensifying screens used for radiography?

A.Calcium tungstate

B.Zinc sulphide

C.Gadolinium

D.Aluminium*

Ans:D

85.The speed of intensifying screen is affected by

A.Phosphor composition

B.Crystal size

C.Presence of reflective layer

D.All of the above*

Ans:D

86.---------is not an ingredient of developing solution

A.Hydroquinone

B.Sodium Carbonate

C.Potassium bromide

D.Hypo*

Ans:D

87.Chrome alum is used as a-----in fixer solution

A.Fixing agent

B.Preservative

C.Hardener*

D.Acid medium

Ans:C

88.Which of the following is not a reason for the fog formation in x-ray films?

A.Exposure to light

B.Exposure to x-rays or radionuclide

C.Outdated film

D.Static electricity due to friction between film and other objects*

Ans:D

89.Streaking in x-ray film caused by the following

A.Bending of film

B.Failure to agitate the film in developer*

C.Water droplets on the surface of film

D.Formation of air bubbles in the developer

Ans:B

90.For female patients of reproductive age non urgent abdomen and pelvic radiographs should be taken

A.Within 10 days following menstrual period*

B.10 to 20 days interval following menstrual period

C.20 to 30 days interval following menstrual period

D.There is no such restriction

Ans:A

91.Reason for unsharpness in a radiographic image is

A.Movement

B.Focal spot size

C.Use of screen

D.All of the above*

Ans:D

92.Unequal magnification of different portions of same object in a radiograph is called

A.Crossover

B.Distortion*

C.Unsharpness

D.Fog

Ans:B

93.Most important factor for radiographic contrast is

A.KVp*

B.mA

C.mAs

D.Focus to film distance

Ans:A

94.Anal atresia in Neonates can be diagnosed by

A.Lateral decubitus view

B.AP supine

C.Invertogram*

D.Abdomen AP erect

Ans:C

95.Delineation of contour and cavity of uterus and tubal potency and can be established by

A.Nephrotomography

B.Hysteriosalpingography(HSG)*

C.KUB examination

D.None of the above

Ans:B

96.Small lesions and mucosal lining are more clearly visible in------radiography

A.Single contrast method

B.Double contrast method*

C.No contrast

D.None of the above

Ans:B

97.The radiographic examination of choice to demonstrate the whole of the small bowel from duodenal flexture to ileocaceal valve is

A.Barium Meal Follow through*

B.Hyptonic Dudenography

C.Conventional barium meal

D.None of the above

Ans:A

98.The radiographic investigation of lacrimal system is

A.Arthography

B.Cholangiography

C.Stalography
D.Dacryocystography*

Ans:D

99.The photo cpnductor used in Xeroradiography is

A.Amorphous Selenium*

B.Sodium Iodine

C.Calcium Tungstate

D.Molybdenum

Ans:A

100.Which of the following substance produces Piezo Electric Effect?

A.Quartz*

B.Gadolium Oxy Sulphide

C.Sodium Iodide(Thalium Activated Crystals)

D.Sodium Chloride

Ans:A