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Questions and Answers
Which instrument is primarily used for measuring blood pressure?
Which instrument is primarily used for measuring blood pressure?
What type of medical instrument is a nebulizer?
What type of medical instrument is a nebulizer?
Which imaging device uses magnetic fields to produce detailed images?
Which imaging device uses magnetic fields to produce detailed images?
Which of the following instruments is used to examine the interior of the eye?
Which of the following instruments is used to examine the interior of the eye?
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Which surgical instrument is used to control bleeding by clamping blood vessels?
Which surgical instrument is used to control bleeding by clamping blood vessels?
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What is the primary function of a pulse oximeter?
What is the primary function of a pulse oximeter?
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Which of the following instruments is utilized for making surgical incisions?
Which of the following instruments is utilized for making surgical incisions?
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In which category do ultrasound machines belong?
In which category do ultrasound machines belong?
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Which instrument is NOT a diagnostic tool?
Which instrument is NOT a diagnostic tool?
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Which instrument is specifically designed to measure the body's temperature?
Which instrument is specifically designed to measure the body's temperature?
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Study Notes
Medical Instrument Classification
- Medical instruments are used for diagnosing, treating, and monitoring patients.
- Proper classification helps healthcare professionals understand their use, maintenance, and sterilization.
Diagnostic Instruments
- These instruments are used to identify diseases or medical conditions.
Examples
- Stethoscope: Used to listen to internal sounds (heart and lung).
- Otoscope: Examines the ear canal and tympanic membrane.
- Sphygmomanometer: Measures blood pressure.
- Thermometer: Measures body temperature.
- Electrocardiograph (ECG): Records the electrical activity of the heart.
Ophthalmic Instruments
- These instruments are specifically used for diagnosing eye conditions.
Examples
- Ophthalmoscope: Examines the interior of the eye, especially the retina.
- Slit lamp: Provides a magnified view of the eye to assess structures like the cornea and lens.
Imaging Instruments
- These devices provide visual representations of the inside of the body.
Examples
- X-ray machines: Produce images of bones and internal organs.
- Ultrasound machines: Use sound waves to create images of soft tissues.
- CT (Computed Tomography) scanners: Provide detailed cross-sectional images of the body.
- MRI (Magnetic Resonance Imaging): Uses magnetic fields to produce detailed images of soft tissues (e.g., brain).
Surgical Instruments
- These tools are used in surgery for cutting, dissecting, grasping, suturing, and other procedures.
Examples
-
Cutting and Dissecting Instruments:
- Scalpel: For making incisions.
- Scissors: For cutting tissues.
-
Grasping and Holding Instruments:
- Forceps: For holding tissues or objects.
- Clamps: To control bleeding by clamping blood vessels.
- Retractors: Hold back tissue or organs.
- Suturing Instruments: Needle holders are used for holding needles during suturing.
Therapeutic Instruments
- These instruments are used to treat medical conditions.
Examples
- Nebulizers: Convert liquid medication into a mist for inhalation (often used for asthma).
- Dialysis machines: Used for renal failure treatment to filter and purify blood.
- Pacemakers: Regulate the heart rate using electrical impulses.
Monitoring Instruments
- These instruments continuously or periodically measure a patient's vital signs.
Examples
- Pulse oximeter: Measures oxygen saturation levels in the blood.
- Glucose monitors: Measure blood sugar levels (used mainly by diabetic patients).
- Fetal monitors: Monitor the heart rate of a fetus.
Laboratory Instruments
- Used for analyzing samples (blood, urine, tissues) to detect diseases or other medical conditions.
Examples
- Centrifuge: Separates fluids (like blood) into components (e.g., plasma, red blood cells).
- Microscope: For viewing cells and tissues at a microscopic level.
General Purpose Instruments
- These instruments are used across different medical fields and have various functions.
Examples
- Syringes and needles: For injecting medications or drawing blood.
- Catheters: Inserted into body cavities to drain fluids or administer drugs.
- Suction devices: Used to clear airways or remove fluids during surgery.
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