30-41

Referring to question 29, What happens during this phase?

• a) The ventricles contract

• b) The atria contract

• c) The heart is stimulated to beat

• d) The heart is resting

The term for the heart when it is contacting is:

• a) Diastole

• b) Asystole

• c) Systole

• d) Agonal

I’m the heart, What happens when the atria contracts?

• b) The exchange of oxygen and carbon dioxide takes place

• b) The blood is squeezed into ventricles

• c) The atria fill with blood

• d) Tbe heart is initiated

What can happen when the heart beats too slowly?

• a) The patient needs to rest

• b) The patient dies

• c) The patient can suffer from syncope

• d) The patient needs to eat high protein foods

What is an Electrocardiogram

• a) An instrument used for recording EKG

• b) The EKG paper that used for recording EKG

• c) The pen that is heat sensitive for tracing EKG

• d) A recording or tracing of an EKG

How many electrodes are used for a 12 lead EKG?

• 10

• b) 12

• c) 6

• d) 8

What is the cardiac cycle

• a) The performance of the heart from the ending of one heartbeat until the beginning of the next beat

• b) The volume of blood ejected from the ventricle in one minute

• c) The volume of blood ejected from the ventricle during each beat

• d) The number of beats per minute

Which of the following represent a complete cardiac cycle

• a) QRS complex

• b) P-R interval

• c) PQRST complex

• QRST complex

What does the T wave show?

• a) The contraction of the ventricles

• b) The contraction of the atria

• c) The rhythm is normal

• d) The relaxation of the heart

Where does a U wave usually appear?

• a) Before the R wave

• b) After the T wave

• c) After the Q wave

• d) During the T wave