Laboratory Tests and Diagnostic Procedures

Question 1

Allergy Test

Answer 1

Procedure in which allergy causing substances are placed on the skin and a reaction is noted.

A patch test, with a suspected allergen is placed on the skin.

Scratch test involves making several scratches and inserting a small amount of allergen in the scratches.

Question 1

Bacterial and Fungal Tests

Answer 1

Procedures in which samples from skin lesions are taken to determine the presence of bacterial infection or fungal growth.

Question 2

Ophthalmoscopy

Answer 2

Visual examination of the interior of the eye.

Question 3

Fluorescein Angiography

Answer 3

Fluorescein ( a contrast substance) is injected intravenously and the movement of blood in the back of the eye is observed by ophthalmoscopy.

Used to detect diabetic or hypertensive retinopathy and also degeneration of the macular area of the retina.

Question 4

Otoscopy

Answer 4

Visual examination of the interior of the ear (to the ear drum).

Question 5

Skin Biopsy

Answer 5

Procedure in which samples of skin lesions are removed and sent to the pathology laboratory for microscopic examination.

Question 6

Slit-lamp Microscopy

Answer 6

Examination of the anterior eye structures using an instrument that projects intense light through a narrow opening for optimal visualization.

Question 7

Tuning Fork Fest

Answer 7

Procedure in which a vibration source is placed in front of the opening to the ear to test air conduction of sound waves.

The tuning fork also placed on the mastoid bone behind the ear to test bone conduction of sound waves.

Question 8

Audiometry

Answer 8

Measuring how well a person can hear various frequencies of sound waves.