Exam Part 2

Question 1

When bleeding occurs, what hastens the repair of ruptured blood vessel walls?

Answer 1

Platelets

Question 2

What controls the flow of venous blood?

Answer 2

Contraction of skeletal muscle and valves in the veins that prevent back-flow of blood

Question 3

What is the least common symptom for a heart attack?

Answer 3

Pain on the right side of chest and shoulder

Question 4

Abnormal vasoconstriction in the extremities can be caused by too much

Answer 4

Tobacco

Question 5

If a blood pressure reading is 120/80, which one is the diastolic pressure?

Answer 5

80

Question 6

By what structures is deoxygenated blood returned directly to the heart?

Answer 6

Superior and inferior vena cava

Question 7

By which is O2 mainly carried?

Answer 7

Erythrocytes

Question 8

When the left ventricle is in contraction, which pressure is measured?

Answer 8

Systolic

Question 9

What happens during the initial phase of acute inflammation of fibrous tissue?

Answer 9

Fibroblasts form scar tissue

Question 10

What marks the last stage of blood clotting?

Answer 10

Fibrinogen is converted into fibrin

Question 11

The right atrium receives blood from all body tissues except one. Which body tissue is this?

Answer 11

Lungs

Question 12

When you have cold feet, which artery is involved in warming them up?

Answer 12

Dorsalis pedis

Question 13

In order for gastrointestinal blood to be detoxified before it can be returned to systemic circulation, where must it go?

Answer 13

Liver via hepatic portal vein

Question 14

What is the protein that is most common in blood plasma?

Answer 14

Albumin

Question 15

It is essential to consider blood type when doing blood transfusions. Which is safe?

Answer 15

B to AB

Question 16

What organ filters and stores red blood cells and produces lymphocytes?

Answer 16

Spleen

Question 17

What is the name of the serous membrane that surrounds the heart?

Answer 17

Pericardium

Question 18

What is systolic pressure?

Answer 18

Maximal pressure when the ventricles contract

Question 19

What is diastolic pressure?

Answer 19

The minimal arterial pressure during relaxation and dilation of the ventricles

Question 20

What is the relationship between baroreceptors and the medulla oblongata?

Answer 20

Baroreceptors detect blood pressure and relay the info to the cardio regulatory centers in the medulla oblongata

Question 21

What is ischemia?

Answer 21

Decreased blood flow to the tissues

Question 22

Which vein provides superficial venous return to the heart from the lower extremity? Which vein returns blood to the heart from the lower extremity?

Answer 22

Great Saphenous vein

Question 23

If the viscosity of blood decreases, what happens?

Answer 23

Peripheral resistance decreases

Question 24

What blood type is the universal donor?

Answer 24

O negative

Question 25

What is the cause of myocardial infarction?

Answer 25

Insufficient blood supply to the heart muscle

Question 26

The initiation and maintenance of the heartbeat requires a well coordinated system of conduction. Which structure of the heart carries impulses down the septum?

Answer 26

Left and right bundle branches

Question 27

The sound Lubb-dupp corresponds to what actions of the heart?

Answer 27

Lubb corresponds to the sound of the AV valves closing at systole, and dupp corresponds to the semilunar valves closing at diastole

Question 28

What is another name for the mitral valve?

Answer 28

Bicuspid valve

Question 29

What is bradycardia?

Answer 29

Substantially slower than normal heart rate

Question 30

What is the difference between stroke volume and cardiac output?

Answer 30

Cardiac output is the amount of blood pumped by a left of right ventricle per minute, which stroke volume is the amount of blood pumped from from one ventricle with each heartbeat.

Question 31

Which could not cause an increase in peripheral resistance of blood circulation?

Answer 31

Vasodilation

Question 32

Which is embedded in the muscle of the ventricular walls and conveys stimulation for the ventricles to contract simultaneously?

Answer 32

Purkinje fibers

Question 33

When the lymphatic duct returns lymph from the right upper quadrant, where does it flow into?

Answer 33

Right subclavian vein

Question 34

What is the term for an abnormally low count of the white blood cells that help the body to fight off infection?

Answer 34

Neutropenia

Question 35

Which is the term for inflammation in a vein caused by a blood clot?

Answer 35

Thrombophlebitis

Question 36

How many sets of heart valves are there?

Answer 36

4

Question 37

What in the vein that returns oxygen-depleted blood to the right atrium from the lower venous circulation?

Answer 37

Inferior vena cava

Question 38

Stimulation of which system will cause an increase in blood pressure?

Answer 38

Sympathetic

Question 39

Which artery is both a pulse-taking artery and the main artery for measuring blood pressure?

Answer 39

Brachial

Question 40

Why are white blood cells white?

Answer 40

They lack hemoglobin

Question 41

What is hemophilia?

Answer 41

A bleeding disorder in which a vital clotting factor is diminished or missing