Computer test - Lab examinations

Question 1

In which cases would you perform a skin biopsy ?

• Hereditary skin disease
• Neoplasm
• Auto-immune disease
• Parasitic diagnosis

Answer 1

• Hereditary skin disease
• Neoplasm
• Auto-immune disease

Question 2

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

Answer 2

• 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

Question 3

What is B-mode in echocardiography ?

Answer 3

2D can show DCM and HCM

Question 4

2 labs have measured creatinine but got different results, Lab 1 > Lab 2. What can be the reason ?

Answer 4

• One used spectrophotometer
• One used specific enzymes
• Incorrect measurements
• Wrong equipment

Question 5

What is the consequency if the transducer frequency is higher ?

Answer 5

Higher resolution

Less penetration depth

Question 6

Which are US types ?

Answer 6

M-model
B-model
Doppler

Question 7

What is M-mode in echocardiography ?

Answer 7

Uni-directional mode, used for the left ventricle measurement

Question 8

What is true about endoscopy ?

• Cheap
• Lateral recumbency needed
• Can be done in aake patients
• Cannot take samples

Answer 8

• Can be done in awake patients in !!!LA!!!!

Question 9

Acoustic impendance formula

Answer 9

Density of product x acoustic velocity