Computer test - Lab examinations Flashcards
1
Q
In which cases would you perform a skin biopsy ?
- Hereditary skin disease
- Neoplasm
- Auto-immune disease
- Parasitic diagnosis
A
- Hereditary skin disease
- Neoplasm
- Auto-immune disease
2
Q
Correct statement :
- CT is an X-ray! tube that rotates around the patient to obtain multiple images that are then relayed to a computer that reconstruct the image
- MRI uses X-ray imaging
- MRI uses the properties of hydrogen atoms when warmed up
A
- CT is an X-ray! tube that rotates around the patient to obtain multiple images that are then relayed to a computer that reconstruct the image
3
Q
What is B-mode in echocardiography ?
A
2D can show DCM and HCM
4
Q
2 labs have measured creatinine but got different results, Lab 1 > Lab 2. What can be the reason ?
A
- One used spectrophotometer
- One used specific enzymes
- Incorrect measurements
- Wrong equipment
5
Q
What is the consequency if the transducer frequency is higher ?
A
Higher resolution
Less penetration depth
6
Q
Which are US types ?
A
M-model
B-model
Doppler
7
Q
What is M-mode in echocardiography ?
A
Uni-directional mode, used for the left ventricle measurement
8
Q
What is true about endoscopy ?
- Cheap
- Lateral recumbency needed
- Can be done in aake patients
- Cannot take samples
A
- Can be done in awake patients in !!!LA!!!!
9
Q
Acoustic impendance formula
A
Density of product x acoustic velocity
