Module 2

Question 1

What is a vector?

Answer 1

A vector is a physical quantity that has both direction and magnitude

Question 2

What is magnitude?

Answer 2

Refers to the size of the vector

Question 3

If electricty flows toward the negative electrode, the patters produced on the graph paper will be?

Answer 3

Inverted

Question 4

If the electricty flows toward the positive electrode, the patterns produced on the graph paper will be

Answer 4

Upright

Question 5

On a 12 lead ECG, where are the leads placed?

Answer 5

• three standard limb leads (leads I, II, III)
• three augmented limb leads (aVR, aVL, aVF)
• six precordial (chest) leads (V1, V2, V3, V4, V5, V6).