Question

QUESTION 21

1. A farmer standing in a field of oats in Scotland (in other words, not in high   
   mountains) is most likely to experience which form of lightning strike?

   		a) A ground current
   		b) A side-strike
   		c) A direct strike

1 points   

QUESTION 22

1. What do we see on the ECG as the atria are getting ready to contract?

   		a) The P wave
   		b) The QRS wave
   		c) The T wave

1 points   

QUESTION 23

1. During what part of the ECG are tiny electric currents actually flowing through
   the human chest, between one part of the heart and another?

   		a) During the TP segment
   		b) During the QRS wave
   		c) During the ST segment

Answer 1

Answer: Direct strike

( This is because the farmer is standing in an open area, and the lightning strikes directly to the person who is present in an open area.)

Answer: QRS waves

(The artist getting ready to contract as the QRS reaches the peak of the R wave.)

Ànswer: TP segment

(In this segment the transfer of electric current flows from one part to other part of the heart where they are electrically silent)