Lesson 1 | Prelim Flashcards
Devices and Instruments
Used for specimen preparation
Applicator Stick
For spot test sampling, drop transfers, mixing, and stirring
Applicator stick
Example test/sample where the applicator stick is used
- Examining sample stool
- PCR Test
Used to push tongue down to allow examination of the mouth and throat
Tongue Depressor
Used to transfer liquid for analysis or extractint tiny quantities of samples onto a microscope slide for closer inspection
Medicine Dropper
A small device that is used to prick your finger to take blood
Lancet
A device that holds the lancet firmly/ helps in propelling the lancet
Lancing device
Used to hold objects for examination under a microscope
Glass Slide
Used to cover specimen placed on the microscope slide and prevent the slide from drying/ contamination
Cover slip
Used to collect blood when only a small amount of blood is required
Microhematocrit Tubes
Microhematocrit Tubes are available in — or — that keeps blood from clotting
plain
anti-coagulant
Medications that stop your blood from clotting too easily
Anticoagulants
Anticoagulant found at one tip of the microhematocrit tube
Heparin
Another term for microhematocrit tubes
glass capillary tube
Used to seal the end of glass capillary/ microhematocrit tubes
Clay sealant
Simple cylindrical shaped containers used to hold reagents or samples
Beaker
Used to grow bacteria and collect/store bodily fluids like blood and semen
Test Tube
Used to hold multiple test tubes at the same time
Test Tube Rack
Used for embedding surgical specimens and rendering specimen
Paraffin Wax
Used to measure a patient’s body or the dimensions of a wound
Tape measure
Used to test the frequency range of hearing
Tuning fork
Basic parts of the Tuning fork
Prongs
Base
Shoulder
Stem
Footpiece
Used to test reflexes of the deep tendons to check for abnormalities of the nervous system
Reflex hammer
Abnormalities in what system does the reflex hammer check?
Nervous system
Basic parts of the reflex hammer
Triangular Rubber Head
Flat Handle
Pointed Tip
Used as an assessment tool, especially on small body parts such as eyes, ears, nose, and mouth
Pen Light
On what specific test is the pen light commonly used for?
Pupil test
Basic parts of the pen light
Pupil Gauge
Push Button
LED Bulb
Used to test visual acuity or sharpness of vision
Snellen’s Chart
Used to examine objects that are too small to be seen by the naked eye
Microscope
3 Structural Parts of the Microscope
Arm
Base
Head
Used to view objects through the microscope
Ocular lens
Other term for the ocular lens
Eyepiece
Connects the occular lens to the objective lens
Head
Used to carry the microscope properly
Arm
Primary lenses employed for specimen visualization
Objective lenses
4 Objective lenses + their magnification power
Scanning Objective Lens (4x magnification power)
Low Power Objective Lens (10x)
High Power Objective Lens (40x)
Oil Immersion Objective Lens (100x)
Objective lens that has the lowest magnification power and is used to scan specimens in a general overview
Scanning objective lens
Obejctive lens that gives a closer view of the slide but still for general viewing purposes
Low Power Objective (LPO) Lens
Objective lens that has greater magnification and is ideal for observing fine details within a specimen sample
High Power Objective (HPO) Lens
Objective lens that provides the most powerful magnification
Oil Immersion Objective Lens
Where the glass slide is placed
Mechanical Stage
Holds the slide inside in place on the stage
Stage Clip
Used for initial focusing and moves the stage up and down
Coarse Adjustment Knob
Used to fine-focus the image when viewing at higher magnifications
Fine Adjustment Knob
Regulates the amount of light on the specimen
Diaphragm
Light source of the microscope that reflects light up toward the eyepiece
Illuminator
Used in spirometry that measures the lung’s capacity to inhale/exhale air
Spirometer
Other term for the spirometer
Respitometer
Types of Spirometer
Incentive Spirometer
Diagnostic Spirometer
Spirometer used to exercise the lungs to help patients who have recently had surgery keep their lungs healthy during recovery
Incentive spirometer
Spirometer mainly used to measure/calculate the lung’s capacity
Diagnostic spirometer
Used to determine the percentage of red blood cells (RBS) in blood samples
Microhematocrit Reader
Used to measure blood pressure
Sphygmomanometer
Parts of the spyghmomanometer
Bladder
Bulb
Cuff
Manometer
Valve
An inflatable bag that is used to compress the arm
Bladder
It is designed to hold the bladder around the arm during the measurement
Cuff
Used to pump air into the cuff
Bulb
Used to measure blood pressure in mmHG (millimeters of Mercury)
Manometer
Allows for controlled deflation of the cuff
Valve
Process of listening to the internal sounds of the body
Auscultation
Device used for auscultation or listening to the internal sounds of the body
Stethoscope
Head of the stethoscope that is placed against a patient’s chest
Chest piece
Componets of the chest piece
Bell
Diaphragm
Stem
Differentiate the bell and diaphragm of the chest piece
Bell- smaller circular end of the chest piece that is ideal for low-frequency sound
Diaphragm- flat circular part of stethoscope ideal for high-frequency sounds (ex. breathing sounds)
Enables the user to rotate the head of the stethoscope and alternate between using the diaphragm and bell
Stem
Hollow metal tubes in the stethoscope
Ear Tube
Small tips on the ends of the ear tubes that fit into your ears
Ear Piece
Designed to spin blood specimens, separating cells from the liquid portion
Microhematocrit Tube Centrifuge
Important parts of the Microhematocrit Tube Centrifuge
Lid
Rotor