Science - monitoring of the human body - Flashcards in A Level and IB Science

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Created by: Rachael Peterson
Created on: 16-12-12 12:46

What are two benefits of using X-rays?

Non invasive and no damage to body tissue

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What is the range of the normal core body temperature for an adult at rest?

36.5 to 37.2

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State two physiological mechanisms used when the body responds to very cold external temperatures

Increased metabolic rate and vasoconstriction

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Define vasodilation and vasoconstriction

The expansion of blood vessels which decreases blood pressure and the narrowing of the blood vessels increasing blood pressure

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State the steps in which a person would have their temperature measured using a mercury thermometer

1.Wipe surface of thermometer clean 2. Shake thermometer slightly downwards 3. Place bulb in patients mouth or under the arm 4. Leave in position for 30 seconds 5. Hold horizontally at eye level to see calibrations

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Why would an MRI scanner not be used to examine a patient who has just had steel implants put in as part of his treatment?

1. The metal distorts the image 2. The MRI scanner is based on magnetism

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Give two methods in which the heart can be monitored

1. ECG - Electrocardiogram 2. Ultrasound

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Other cards in this set

Card 2

Front

What is the range of the normal core body temperature for an adult at rest?

Back

36.5 to 37.2

Card 3

Front

State two physiological mechanisms used when the body responds to very cold external temperatures

Back

Card 4

Front

Define vasodilation and vasoconstriction

Back

Card 5

Front

State the steps in which a person would have their temperature measured using a mercury thermometer

Back

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Science - monitoring of the human body