Multiple Choice
Why are keratinocytes no longer viable in the stratum lucidum of the epidermis?
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5. Integumentary System
Introduction to the Integumentary System
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
To record an electrocardiogram, what must be attached to the skin of a patient?
A
Stethoscopes
B
Thermometers
C
Pulse oximeters
D
Electrodes
Verified step by step guidance1
Understand the purpose of an electrocardiogram (ECG): It is a test that records the electrical activity of the heart over a period of time.
Recognize that the electrical signals generated by the heart are detected at the surface of the skin using specialized equipment.
Learn that electrodes are small conductive pads that are attached to the skin to detect these electrical signals. They are typically placed on specific locations such as the chest, arms, and legs.
Note that other devices mentioned in the problem, such as stethoscopes, thermometers, and pulse oximeters, serve different purposes and are not used for recording electrical activity of the heart.
Conclude that electrodes are the correct equipment required to record an electrocardiogram, as they are designed to pick up and transmit the heart's electrical signals to the ECG machine.
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