Multiple Choice
In the sheep brain, what is the primary function of the superior and inferior colliculi?
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12. The Central Nervous System
Introduction to the Central Nervous System
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Electrodes for limb leads should be attached to which of the following locations?
A
The chest only
B
The right and left arms and the right and left legs
C
The abdomen
D
The scalp
Verified step by step guidance1
Understand the purpose of limb leads in an electrocardiogram (ECG). Limb leads are used to measure the electrical activity of the heart from different angles, providing a comprehensive view of its function.
Recall the standard placement of electrodes for limb leads. These electrodes are typically attached to the right arm, left arm, right leg, and left leg to form a triangle known as Einthoven's triangle.
Eliminate incorrect options based on anatomical and physiological knowledge. For example, the chest is used for precordial leads, not limb leads. The abdomen and scalp are not standard locations for ECG electrode placement.
Confirm that the correct locations for limb lead electrodes are the right arm, left arm, right leg, and left leg, as these positions ensure accurate measurement of the heart's electrical activity.
Review the importance of proper electrode placement to avoid artifacts or inaccurate readings in the ECG results.
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