Free Practice Questions for UKOM DIV Teknologi Radiologi Pencitraan

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Key Facts: UKOM DIV Teknologi Radiologi Pencitraan Exam

CBT

Official national computer-based examination

ukomnakes.kemdiktisaintek.go.id

Lifetime

STR validity under UU No. 17 Tahun 2023

UU No. 17 Tahun 2023 tentang Kesehatan

PARI

Indonesian Radiographers Association

pari.or.id

BAPETEN

Indonesian Nuclear Regulatory Agency

bapeten.go.id

UKOM DIV Teknologi Radiologi Pencitraan evaluates imaging competency across conventional radiography, radiation protection, CT, MRI, and quality control. This is an independent 96-question English-language MCQ practice bank by OpenExamPrep.

Sample UKOM DIV Teknologi Radiologi Pencitraan Practice Questions

Try these sample questions to review concepts for the UKOM DIV Teknologi Radiologi Pencitraan exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 96+ question experience with AI tutoring.

1A radiographer evaluates a posteroanterior (PA) projection of an adult chest radiograph. Which radiographic criterion indicates that an optimal, deep inspiration was achieved without respiratory limitation?

A.Visualisation of at least 8 anterior rib pairs above the dome of the diaphragm

B.Visualisation of at least 10 posterior rib pairs above the dome of the diaphragm

C.Slight elevation of the clavicles above the apices of the lungs

D.Superimposition of the scapulae across the peripheral lateral lung fields

Explanation: A high-quality diagnostic PA chest radiograph requires full inspiration demonstrating at least 10 posterior ribs (or 6 anterior ribs) above the right hemidiaphragm. Demonstrating 10 posterior ribs ensures full aeration of the lung parenchyma and prevents pseudo-cardiomegaly or apparent basilar lung opacities caused by hypoinflation.

2A 58-year-old male with suspected small pleural effusion in the left hemithorax cannot stand upright for an erect PA chest radiograph. Which decubitus position should the radiographer select to confirm free fluid layering?

A.Left lateral decubitus with a horizontal central ray

B.Right lateral decubitus with a horizontal central ray

C.Dorsal decubitus with a vertical central ray

D.Ventral decubitus with a vertical central ray

Explanation: In pleural effusion radiography, gravitational layering of free fluid occurs along the dependent (downside) chest wall. Therefore, evaluating a suspected left-sided pleural effusion requires a Left Lateral Decubitus projection with a horizontal beam directed parallel to the floor. Conversely, suspected pneumothorax requires the affected side positioned uppermost (dependent side down for fluid, non-dependent side up for air).

3A pulmonologist requests an apical lordotic projection (Fleischner method) for a patient with suspected apical tuberculosis. What anatomical relationship confirms correct patient positioning on the resulting radiograph?

A.The scapulae are projected into the medial two-thirds of the lung fields

B.The ribs appear horizontally oriented with wide intercostal spaces

C.The clavicles are projected superior to the lung apices and ribs are distorted/superimposed

D.Ten posterior ribs are clearly demonstrated above the hemidiaphragms

Explanation: In an AP axial lordotic projection (Fleischner method), the patient stands approximately 30 cm from the vertical bucky and leans backward, or the central ray is angled 15-20 degrees cephalad. Correct positioning projects the clavicles superior to the lung apices and superimposes the anterior and posterior portions of the ribs, revealing the pulmonary apices and middle lobe/lingula without clavicular overlap.

4When performing a chest radiograph on an uncooperative 14-month-old infant using an immobilization device (Pigg-O-Stat), when should the radiographer make the exposure to ensure maximum inspiration?

A.Immediately after the infant stops crying and begins swallowing

B.During the peak of the infant's forced exhalation phase

C.At the onset of an active cry when the diaphragm reaches its highest point

D.At the end of a deep inspiratory gasp just before the infant lets out a cry

Explanation: Infants cannot follow verbal breathing instructions. Radiographers time the exposure at the end of a full inspiratory gasp, which characteristically occurs immediately before an infant emits a cry. At this precise instant, the lungs expand to maximum capacity, depressing the hemidiaphragms and providing optimal pulmonary aerated volume.

5A patient involved in a motor vehicle accident arrives in the emergency department on a backboard with a cervical rigid collar. On the initial cross-table lateral cervical spine radiograph, C1 through C6 are well demonstrated, but C7 and the C7-T1 junction are obscured by the patient's muscular shoulders. What is the radiographer's immediate next action?

A.Remove the cervical collar and manually depress both shoulders downward

B.Perform a trauma Swimmer's projection (Twining method) with a horizontal beam without moving the patient's neck

C.Turn the patient into a right lateral decubitus position and angle the tube 20 degrees cephalad

D.Accept the initial radiograph and discharge the trauma patient to the ward

Explanation: Clear visualization of the entire cervical spine down to the C7-T1 cervicothoracic junction is mandatory in trauma radiography to rule out unstable fractures or subluxation. When overlying dense shoulder musculature obscures C7-T1, the radiographer must obtain a Swimmer's lateral projection (Twining method), elevating the arm adjacent to the IR and depressing the remote arm, using a horizontal beam without manipulating the cervical spine or removing the collar.

6What central ray (CR) direction and angulation are required for an AP axial projection of the cervical spine to clearly open the C3 through C7 intervertebral disc spaces?

A.15 to 20 degrees cephalad centered at the level of C4 (thyroid cartilage)

B.15 to 20 degrees caudad centered at the level of the mental protuberance

C.Perpendicular (0 degrees) centered at the level of the jugular notch

D.30 to 35 degrees cephalad centered at the level of C1

Explanation: The cervical intervertebral disc spaces and vertebral endplates angle obliquely upward from posterior to anterior. Therefore, an AP axial cervical spine radiograph requires a 15 to 20 degree cephalic (cephalad) central ray angulation, centered at C4 (level of the thyroid cartilage), to align parallel with the disc spaces and open them without anatomical foreshortening.

7A clinical radiographer is performing an anterior oblique (PA oblique - RAO or LAO) projection of the cervical spine. Which anatomical structures are specifically demonstrated, and how should the central ray be directed?

A.Contralateral intervertebral foramina with a 15 to 20 degree cephalad angle

B.Zygapophyseal joints of the side closest to the image receptor with a perpendicular ray

C.Ipsilateral intervertebral foramina (side closest to the IR) with a 15 to 20 degree caudad angle

D.Vertebral arch and pedicles of the contralateral side with a 45 degree cephalad angle

Explanation: In cervical spine oblique positioning: anterior obliques (PA oblique, RAO/LAO) demonstrate the intervertebral foramina and pedicles closest to the image receptor (ipsilateral) with a 15-20 degree caudad tube angle. Conversely, posterior obliques (AP oblique, RPO/LPO) demonstrate the foramina farthest from the image receptor (contralateral) with a 15-20 degree cephalad angle. PA obliques provide lower thyroid radiation dose.

8When performing an AP projection of the thoracic spine, how should the radiographer apply the anode heel effect to achieve uniform radiographic density throughout the entire thoracic column?

A.Place the cathode towards the superior (cervical) aspect and the anode towards the inferior (lumbar) aspect

B.Place the cathode towards the inferior (lower thoracic/diaphragmatic) aspect and the anode towards the superior (upper thoracic) aspect

C.Angle the central ray 15 degrees towards the anode end of the tube

D.Decrease the source-to-image receptor distance (SID) to 80 cm

Explanation: Due to the anode heel effect, radiation intensity is significantly greater under the cathode side of the X-ray tube than under the anode side. The lower thoracic spine and upper abdomen have substantially greater anatomical thickness and mass density than the upper thoracic region. Placing the cathode towards the thicker lower thoracic spine and the anode towards the thinner upper thoracic region balances receptor exposure across the entire thoracic spine.

9On an oblique radiograph of the lumbar spine, the anatomical structures form the classic appearance of a 'Scotty dog'. Which anatomical structure corresponds to the 'neck' of the Scotty dog, where a defect indicates spondylolysis?

A.Pars interarticularis

B.Pedicle

C.Superior articular process

D.Transverse process

Explanation: In an oblique lumbar spine radiograph (45-degree rotation), the Scotty dog components are: eye = pedicle; nose = transverse process; ear = superior articular process; front foot = inferior articular process; and neck = pars interarticularis. A radiolucent fracture or cleavage defect across the neck corresponds to spondylolysis (broken dog collar appearance), which can lead to spondylolisthesis.

10A radiographer is performing an AP axial projection (L5-S1 spot / Ferguson method) for a patient with severe low back pain. What central ray angulation and centering point should be used?

A.Perpendicular (0 degrees) centered 5 cm below the iliac crest

B.15 degrees caudad centered at the anterior superior iliac spine (ASIS)

C.45 degrees cephalad centered at the level of the umbilicus

D.30 to 35 degrees cephalad centered 3.8 cm (1.5 inches) inferior to the level of the ASIS at the midsagittal plane

Explanation: The Ferguson method (AP axial projection of the lumbosacral junction) requires a central ray angled 30 degrees cephalad for males and 35 degrees cephalad for females (due to greater female lumbosacral curvature), directed to enter at the midsagittal plane approximately 3.8 cm (1.5 inches) inferior to the ASIS (or halfway between ASIS and pubic symphysis). This opens the L5-S1 lumbosacral joint space.

About the UKOM DIV Teknologi Radiologi Pencitraan Exam

UKOM DIV Teknologi Radiologi Pencitraan is the mandatory national exit examination for radiography and medical imaging technology students in Indonesia, required for obtaining the STR Radiografer.

Exam sponsor: Komite Nasional Uji Kompetensi Mahasiswa Bidang Kesehatan. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

The test evaluates radiographic technique selection, patient positioning, radiation safety compliance (BAPETEN), CT/MRI imaging protocols, and quality control tests.

Time Limit

Not published in official sources reviewed.

Passing Score

Not published in official sources reviewed.

Exam / Certification Fees

Rp 275,000 on the official registration page; verify the current cycle before payment.

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

35 of 96 practice questions

Teknik Radiografi Konvensional & Kontras (Conventional Radiography)

Projections and positioning for thorax, spine, extremities, skull, pediatric radiography, contrast examinations (BNO-IVP, colon in loop, HSG), and contrast reaction handling.

18 of 96 practice questions

Fisika Radiasi, Proteksi & Keselamatan Radiasi (Radiation Protection)

X-ray generation, Compton and photoelectric effects, ALARA principles, BAPETEN regulatory dose limits, TLD monitoring, and biological effects of ionizing radiation.

20 of 96 practice questions

Tomografi Terkomputasi (Computed Tomography / CT Scan)

Helical CT parameters, pitch calculation, windowing (WL and WW), Hounsfield unit values, CT angiography protocols, and contrast injector timing.

15 of 96 practice questions

Pencitraan Resonansi Magnetik (MRI) & Kedokteran Nuklir

Larmor equation, T1 and T2 weighted imaging, inversion recovery sequences, MRI safety screening (Zones I-IV), RF heating (SAR), and radiopharmaceutical basics.

8 of 96 practice questions

Jaminan Mutu (QA/QC), Digital Imaging & Regulasi

CR and DR plate artifacts, collimator light field alignment testing, perpendicularity checks, PACS/DICOM systems, and Indonesian health regulations.

Preparing for the UKOM DIV Teknologi Radiologi Pencitraan Exam

What You Need to Know

Passing score: Not published in official sources reviewed.
Assessment: The test evaluates radiographic technique selection, patient positioning, radiation safety compliance (BAPETEN), CT/MRI imaging protocols, and quality control tests.
Time limit: Not published in official sources reviewed.
Exam / certification fees: Rp 275,000 on the official registration page; verify the current cycle before payment. Official sources

Using Our Practice Resources

Work through all 96 available questions
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UKOM DIV Teknologi Radiologi Pencitraan: Suggested Study Strategy

1Memorize BAPETEN occupational effective dose limits (20 mSv/year averaged over 5 consecutive years, max 50 mSv in any single year) and public dose limits (1 mSv/year).

2Understand the anode heel effect and how to utilize it clinically (placing thicker anatomical parts towards the cathode side).

3Review Hounsfield unit (HU) standards: Air (-1000 HU), Water (0 HU), Fat (-100 to -50 HU), Blood (+30 to +45 HU), and Dense Bone (+1000 HU).

4Master the MRI safety zones (Zone I: Public, Zone II: Supervised, Zone III: Restricted, Zone IV: Magnet Room) and ferromagnetic screening.

Frequently Asked Questions

What is UKOM DIV Teknologi Radiologi Pencitraan?

UKOM DIV Teknologi Radiologi Pencitraan is Indonesia's national licensing exit examination for graduates of D3 Radiologi and D4 Teknologi Radiologi Pencitraan programs, mandatory for receiving the competency certificate and applying for the STR Radiografer.

What radiation safety regulatory body is recognized in Indonesia?

Badan Pengawas Tenaga Nuklir (BAPETEN) is the national nuclear energy regulatory agency in Indonesia that establishes occupational and public radiation dose limits, facility licensing rules, and radiation safety standards.

What is the STR validity period under UU No. 17 Tahun 2023?

Under UU No. 17 Tahun 2023 tentang Kesehatan, the Surat Tanda Registrasi (STR Radiografer) issued by Konsil Kesehatan Indonesia (KKI) is valid for life. The practice license (SIPR) is issued by municipal health authorities and valid for 5 years.

Is this practice exam official?

No. This practice bank is an independent English-language educational question bank created by OpenExamPrep for self-study and clinical reasoning review. It is not affiliated with or endorsed by PARI, BAPETEN, or Kemdiktisaintek.