Forwarded from قناتي الخاص
The strength of the magnetic field used in MRI is measured in:
Anonymous Quiz
10%
Newton
14%
Watt
59%
Tesla
16%
Volt
0%
Ampere
Forwarded from قناتي الخاص
The technical term used to describe the magnetism of a nucleus is:
Anonymous Quiz
28%
Magnetic Moment
9%
Ionization Energy
9%
Atomic Density
48%
Magnetic Resonance
7%
Precession Frequency
Forwarded from قناتي الخاص
Approximately what percentage of the human body consists of water?
Anonymous Quiz
8%
50%
9%
95%
15%
20%
62%
80%
6%
40%
Forwarded from قناتي الخاص
The specific "Gyro Magnetic Ratio" for Hydrogen is:
Anonymous Quiz
6%
30.00 MHz/Tesla
6%
12.45 MHz/Tesla
28%
70.00 MHz/Tesla
59%
42.57 MHz/Tesla
2%
1.50 MHz/Tesla
Forwarded from قناتي الخاص
To be useful for MR imaging, a nucleus must typically have an _ mass number.
Anonymous Quiz
10%
even
37%
odd
43%
negative
4%
Infinite
6%
zero
Forwarded from قناتي الخاص
In clinical MRI, the signal is primarily derived from hydrogen protons found in:
Anonymous Quiz
47%
Fat and Water
14%
Air and Gases
23%
Bone and Minerals
12%
Metals and Implants
4%
Pure Carbon
❤2
Forwarded from لـ فِراس ميسر 🤎
Primary bone tumors are best classified based on:
Anonymous Quiz
63%
Normal cell type or matrix produced
11%
Age of patient
20%
Type of surgery required
3%
Radiologic appearance
3%
Clinical presentation
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Which bone tumor most commonly peaks during adolescence?
Anonymous Quiz
15%
Chondrosarcoma
15%
Osteoma
20%
Chondroblastoma
49%
Osteosarcoma
0%
Chondroma
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The most common presenting symptom of malignant bone tumors is:
Anonymous Quiz
55%
Pain
17%
Skin ulceration
7%
Fever
8%
Weight loss
13%
Joint stiffness
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Definitive diagnosis of most bone tumors requires:
Anonymous Quiz
9%
CT scan
65%
biopsy
11%
MRS
7%
bone scan
7%
radiography
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Osteoma is regarded by some as:
Anonymous Quiz
37%
Reactive bone growth
8%
Metastatic lesion
43%
Hamartoma
12%
A. Malignant tumor
0%
Inflammatory lesion
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Osteoid osteoma is defined as a lesion:
Anonymous Quiz
2%
Larger than 5 cm
70%
Smaller than 2 cm
13%
smaller than 0.2 cm
15%
Occurring in elderly patients
0%
Malignant in nature
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Enchondromas most commonly occur in:
Anonymous Quiz
60%
Hands and feet
21%
Skull bones
8%
Vertebrae
10%
Pelvis
0%
Ribs
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Multiple hereditary exostoses is associated with:
Anonymous Quiz
60%
Increased risk of chondrosarcoma
6%
Increased fracture risk only
28%
Osteosarcoma development
4%
Early death
2%
No complications
Forwarded from لـ فِراس ميسر 🤎
Ollier disease is characterized by:
Anonymous Quiz
2%
Multiple osteomas
70%
Multiple osteochondromas
2%
Fibrous dysplasia
26%
Multiple enchondromas
0%
Bone metastases
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Chondroblastoma most commonly affects patients:
Anonymous Quiz
8%
under 10 year
52%
under 20 year
25%
20-40 year
13%
40-60 year
2%
under 60 year
Forwarded from لـ فِراس ميسر 🤎
Which tumor usually stops growing after epiphyseal closure?
Anonymous Quiz
9%
Osteosarcoma
20%
Osteoid osteoma
44%
Chondroblastoma
24%
Osteochondroma
2%
Chondrosarcoma
Forwarded from لـ فِراس ميسر 🤎
Chondroblastoma typically arises in the:
Anonymous Quiz
4%
Periosteum
11%
Metaphysis
4%
Diaphysis
40%
Epiphysis
40%
Medullary cavity of hands