File 1 Flashcards
Dorsolateral calcaneal fracture, which muscle will be affected?
A) Extensor digitorum braves
B) Abductor digiti minimi
A) Extensor digitorum braves
Magic angle artifact, tend to affectwhich sequence?
A) T1
B) T2
C) STIR
D) FLAIR
A) T1
& PD
TE = Echo time, from RF pulse to signal echo back to receptor.
TR = Repetition Time of RF pulses
T1 = short TE and TR
Pregnant patient with sciatica as well as numbness in the big toe. Which level will the dic protrusion be?
A) L5-S1
B) L2-L3
A) L5-S1
Any thing between L4-S3
Patient has sciatica and absent ankle reflex symptoms worsened after delivery. Which level will the disc protrusion be?
A) Posterolateral herniation at level of L5/S1
B) Far lateral herniation at level of L3/L4
C) Right paracentral herniation at level of L4/L5
D) Right paracentral herniation at level of L1/L2
A) L5-S1
Any thing between L4-S3
Patient with right sided pleural effusion was following up with several chest x-ray, what is the best view for detecting small amount of pleural fluid?
A) Left lateral Decubitus
B) PA view
C) Lateral view
D) Supine
C) Lateral view
Drug addict came unconscious, Chest x-ray showed bilateral lower lobe consolidation, what is the most likely the cause?
A) Pleural effusion
B) Aspiration
C) Hypersensitivity pneumonitis due to drugs
D) Pulmonary contusion
B) Aspiration
Neonate with a picture of necrotizing enterocolitis. What is the most sensitive sign of pneumoperitoneum?
A) Football sign and continuous diaphragm
B) Bowel wall latency
C) Rigler sign
C) Rigler sign
18-months-old child with wheezing stridor, the mother saw peanut in his hand. You suspect foreign body aspiration, chest x-ray was normal, what is the next step?
A) Lateral decubitus view
B) Call pulmonologist to do bronchoscope
A) Lateral decubitus view
10-years-old child plays with toys then developed shortness of breath. Which of the following is most likely seen in x-ray?
A) Hyperinflated lung on one side
B) Basal atelectasis
C) Lobar consolidation
D) Mediastinal shift
A) Hyperinflated lung on one side
Tc-MAA is working by?
A) Capillary blockage
B) Sequestration
A) Capillary blockage
Tc-99m MAA (macroaggregated albumin) is one of the technetium radiopharmaceuticals used in lung perfusion imaging.
Teenager boy with leg pain at night, which is usually relieved by aspirin. What is the most likely diagnosis?
A) Osteoid osteoma
B) Ewing sarcoma
C) Septic arthritis
A) Osteoid osteoma
What is the most common location of tunneled tube for dialysis?
A) Femoral vein
B) Internal jugular vein
C) Transhepatic vein
B) Internal jugular vein
Which sequence is best for evaluating Diffuse Axonal Injury (DAI)?
A) T1
B) T2
C) Gradient (GRE)
D) FLAIR
C) Gradient (GRE)
تسلسل صدى التدرج
لرؤية الانزفة الصغيرة
What is the most common location for DAI?
A) Frontotemporal Gray-white matter junction
15) What is the ionizing particle used in nuclear diagnostics?
A) Gamma
How to correct without changing the spatial resolution or exam time?
A) Increase FOV
B) Increase FOV and matrix size
C) Make the orbit in the center of the field
D) Use antialiasing techniques like anti wraparound
A) Increase FOV
*Field of View
What is the most likely diagnosis?
A) PICA infarction
B) Cerebellar hemorrhage
A) PICA infarction
MRI Image with left posterior lower cerebellar infarction, High in T2 with diffusion restriction in DWI.
A patient with a history of confusion had an attack؟
A) Intraparenchymal hemorrhage
B) Acute herpes encephalitis
B) Acute herpes encephalitis
Provided MRI images showed High signal at the temporal lobe?
Acute brain inflammation caused by infectious agents, most commonly viruses
Factors affecting scan time in MRI?
A) TR x number of phase encoding steps x number of averages
Pediatric patient with lower limb weakness and back pain. What is the diagnosis:
A) Telangiectatic osteosarcoma
B) Aneurysmal bone cysts
C) Osteoblastoma
D) Chordoma
B) Aneurysmal bone cysts
(cystic lesion with fluid-fluid level)
Patient with history of trauma, CT shows paracolic gutter fluid/contrast. What is the most likely diagnosis?
A) Injury of the dome of the urinary bladder
B) Injury of the anterior wall of the urinary bladder
C) Injury of the base of the urinary bladder
D) Injury of the posterior wall of the urinary bladder
A) Injury of the dome of the urinary bladder
Retzius or cavum Retzii, where is it?
A) Between bladder and pubic bone
B) Between the bladder and anterior abdominal wall
A) Between bladder and pubic bone
What muscle uses the sustentaculum tali as an anatomical pulley?
A) Flexor hallucis longus
Patient with upper lip and lower eyelid sensation loss. Where is the lesion?
A) Foramen rotundum (maxillary nerve)
