Chapter7:8

Question 0

Demand pacemaker

Answer 0

Delivers electrical impulses only when the hearts own conduction system isn’t responding correctly

Question 1

Interventricular septum

Answer 1

Lower part of the septum

Question 2

The average adult has

Answer 2

4-6 quarts of blood

Question 3

Thrombocytes

Answer 3

For clotting

Normal count 250,000-400,000

Question 4

Systole

Answer 4

The period of ventricular contraction

Question 5

Lymphocytes

Answer 5

Provide immunity for the body

Question 6

Arrhythmias

Answer 6

Abnormal heart rhythm can be mild or life threatening

Question 7

Capillaries

Answer 7

Blood vessels that connect arterioles with venules

Question 8

Hemoglobin

Answer 8

Protein on red blood cells

Question 9

SA Node

Answer 9

• Group of cells located in right atrium called sinoatrial node or pacemaker
• Sends out an electrical impulse that spreads out over the muscles in the atria

Question 10

Hemophilia

Answer 10

-An inherited disease that occurs almost exclusively in males, but can be carried in females

The blood is unable to clot because of of plasma protein required for clotting

Question 11

Myocardial Infarction

Answer 11

Blockage in the coronary arteries cuts off the supply of blood to the heart.

Question 12

Phlebitis

Answer 12

Inflammation of a vein, frequently in the leg.