Cardio Part 2- 2

Question 1

What are dense fibrous connective tissue covered with endothelium?

Answer 1

Cardiac valves

Question 2

What are connective tissue that provides shape and support?

Answer 2

Cardiac skeleton

Question 3

What are found in:
Base of pulmonary trunk, aorta, AV valves
Interventricular and interatrial septa
Valve cusps and chordate tendinae
Insertion points of atrial and ventricular myocardium

Answer 3

Cardiac skeleton

Question 4

What are composed of dense irregular connective tissue?

Answer 4

Cardiac skeleton

Question 5

What generate and conduct waves of depolarization to stimulate myocardial contractions- responsible for heart BEAT?

Answer 5

Conducting system

Question 6

Sinoatrial node = __ node

Answer 6

SA

Question 7

Atrioventricular node = __ node

Answer 7

AV

Question 8

Atrioventricular bundle = ___ bundle

Answer 8

AV

Question 9

SA near _____ ______

Answer 9

Vena cava

Question 10

AV near __ ______

Answer 10

AV valve

Question 11

Where is the AV bundle located?

Answer 11

Inter-ventricular septum

Question 12

What is the following:
Modified myocardial fibers
Sarcoplasm rich, myofibrils poor
Small with fewer intercalated disks

Answer 12

SA and AV nodes

Question 13

What is the following:
Continuation of AV node
Myofibers differentiate into PURKINJE FIBERS
Glycogen rich
Few peripheral myofibers

Answer 13

AV bundle