Quiz 5 (Chapters 11, 12, & 13)

Question 1

Blood reduces fluid loss at the injury site by which of the following?

Answer 1

Clotting

Question 2

What are special proteins that attack invading organisms called?

Answer 2

Antibodies

Question 3

What is the average pH of whole blood?

Answer 3

7.35 - 7.45

Question 4

Which of the following is the most abundant plasma protein and the one responsible for osmotic pressure of plasma?

Answer 4

Albumin

Question 5

Which plasma protein is responsible for antibodies and transport proteins?

Answer 5

Globulins

Question 6

Which plasma protein attacks foreign proteins and pathogens?

Answer 6

Immunoglobulins

Question 7

Which palsma protein is involved in blood clotting?

Answer 7

Fibrogens

Question 8

_______________ bind(s) and transport(s) carbon dioxide and oxygen.

Answer 8

Hemoglobin

Question 9

The ____________ is the precentage of whole blood volume occupied by cellular elements.

Answer 9

Hematocrit

Question 10

Which surface atigen on red blood cells determines blood type?

Answer 10

A, B, and Rh

Question 11

What is thrombocytopenia?

Answer 11

Low platelet count

Question 12

Which chambers of the heart are associated with the pulomary circuit?

Answer 12

Right ventricle and left atrium

Question 13

Which connective tissue divides the thoracic cavity into two pleural cavities and enclose the heart?

Answer 13

Mediastinum

Question 14

The muscular wall fo the heart is called what?

Answer 14

Myocardium

Question 15

Which of the following is true of the foramen ovale?

Answer 15

Closes at birth, penetrates the interatial septum from the fifth week of embryonic development unitl birth, and allows blood flowfrom the right atrium to the left atrium (all of the above)

Question 16

The valve between the left atrium and left ventricle is the :

Answer 16

Mitral valve, bicuspid valve or left atrioventricular valve (all of the above)

Question 17

The right coronary artery divides into what branches?

Answer 17

Marginal and posterior interventricular

Question 18

What is an area of dead tissue caused by an interruption in cardiac blood flow called?

Answer 18

Infarct

Question 19

The influx of ________________ rapidly depolarizes the cardiac contractile cells.

Answer 19

Sodium

Question 20

The introduction of ______________ initiates contraction during the plateau phase.

Answer 20

Calcium

Question 21

The normal rate of contraction is established by ________________ cells, the nodal cells that reach threshold first.

Answer 21

Pacemaker

Question 22

_______________ form branching networksand are barely the diameter of a single red blood cell.

Answer 22

Capillaries

Question 23

Which layer of a blood vessel contains smooth muscle tissue

Answer 23

Tunica media

Question 24

The formation of lipid deposits in the tunica media associated with damage to the endothelial lining is called what?

Answer 24

Atherosclerosis

Question 25

Which of the following control the blood flow into the capillary?

Answer 25

Precapillary sphincter

Question 26

_____________ is the formed tubule through which blood completely bypasses a capillary bed.

Answer 26

Arteriovenous anastomosis

Question 27

______________ is the resistance to flow resulting from interactions among molecules and suspended materials in liquid.

Answer 27

Viscosity

Question 28

_______________ is the difference between the systolic and diastolic pressures.

Answer 28

Pulse pressure

Question 29

Which of the following affects tissue perfusion

Answer 29

Cardiac output, blood pressure, and peripheral resistance. (all of the above)

Question 30

Which portion of the brain has the cardiac and vasomotor centers?

Answer 30

Medulla oblongata