Lecture 10--leads

Question 1

Receptor for Parasymp?

Answer 1

Ach/Muscarinic (M2)

Question 2

Recep for Symp?

Answer 2

NE/B1

Question 3

Describe the effects of beta blockers:

Answer 3

reduce heart effort (descreases Sinus/SA rhythm); helps with arrhythmias

Question 4

Describe the route of Cardiovascular Electrical Conduction:

Answer 4

SA to AV to AV Bundle to Purkinje fibers to Ventricular muscle

Question 5

Describe how the Ectopic Foci can set their own beat?

Answer 5

Using gap junctions

Question 6

What is the P wave?

Answer 6

Atrial depolarization

Question 7

What is QRS complex?

Answer 7

Ventricular Depolarization

Question 8

time for AP to travl between SA and AV

Answer 8

PR interval

Question 9

Lead I:

Answer 9

Lateral

Question 10

Lead II:

Answer 10

Inferior

Question 11

Lead III:

Answer 11

Inferior

Question 12

aVR:

Answer 12

RV and basal septum

Question 13

aVL:

Answer 13

Lateral

Question 14

aVF:

Answer 14

Inferior

Question 15

VI:

Answer 15

Septal

Question 16

V5:

Answer 16

Lateral

Question 16

V3:

Answer 16

Anterior

Question 16

V2:

Answer 16

Septal

Question 17

V4:

Answer 17

Anterior

Question 18

V6:

Answer 18

Lateral

Question 19

Long PR interval:

Answer 19

1st degree heart block

Question 20

no QRS interval:

Answer 20

2nd degree heart block

Question 21

No PR interval/delay…,multiple P waves

Answer 21

3rd degree heart block