Chapter 16-17: Blood Vessels and the Lymphatic System Flashcards Preview

Physiology > Chapter 16-17: Blood Vessels and the Lymphatic System > Flashcards

Flashcards in Chapter 16-17: Blood Vessels and the Lymphatic System Deck (85):
1

What is the name given to the neurons that monitor carbon dioxide levels in the blood and are located in the carotid and aortic arteries

Chemoreceptors

2

A __1___ blood vessel with a ___2___ diameter would have the greatest resistant to blood flow.

1. Long
2. Small

3

Pulmonary circulations goes from ___1___ to the ___2__.

1. Right Ventricle
2. Left Atrium

4

Which blood vessels contain blood with the highest oxygen content

Pulmonary Veins

5

From which major blood vessel do all systemic blood vessels branch?

Aorta

6

Which circulatory route brings blood to tissues and back to the heart?

Systemic

7

Which circulatory path carries blood rich in substances absorbed from the gastrointestinal tract

Hepatic portal

8

___1___ ____2____ the heart have the lowest blood pressure

1. Veins
2. Closest to

9

Vascular resistance is primarily due to which factor

Friction between blood walls

10

In fetal circulation which structure connects the fetal pulmonary trunk to the aorta allowing much blood to bypass the lungs

Ductus arteriosclerosis

11

When the left ventricle contracts what term is given to pressure in the arteries that is generated

Systolic

12

Stimulation of the _______ would cause heart rate to decrease

Vagus Nerve

13

In the fetus what is the opening that allows blood to pass directly from the right atrium to the left atrium

Foramen Ovale

14

With aging cardiac muscle fibers ______ in size

Decrease

15

Defenses of the body that are present at birth are referred to as_______ immunity.

Innate

16

The fetal circulation differs from the adult circulation because of which organ system that is nonfunctional

Respiratory

17

As blood passes through the inferior and superior Vena Cava to the lungs, it moves through the ___1___ to the ___2___ and out through the ___3___.

1. Right Atrium
2. Right Ventricle
3. Pulmonary trunk

18

Carry blood away from the heart

Arteries

19

Vessels with high blood pressure

Arteries

20

Vessels with the fastest flow

Arteries

21

Vessels that exchange food and waste between blood and tissue

Capillaries

22

Vessels that return interstitial fluid to the blood stream

Lymphatic vessels

23

Where is the cardiovascular center located

Medulla

24

Vessels with slowest blood flow

Capillaries

25

Vessels with thick muscle layer

Arteries

26

Vessels with very thin walls; only have a single layer of cells

Capillaries

27

Vessels with the smallest internal diameter

Capillaries

28

Vessels with very thin muscle layer

Veins

29

Vessels that exhibit a pulse

Arteries

30

Vessels that bring blood to almost every cell in the body

Capillaries

31

Known as "exchange vessels"

Capillaries

32

What are cells that migrate to the thymus and when mature are able to attack microbes directly

T-Cells

33

What name is given to blood flow from the heart to the lungs

Pulmonary

34

Blood pressure is measured by listening for a constricted __________ to "pop" open

Artery

35

The backward flow of fluid in veins and lymphatics is prevented by ___

Valves

36

The most important function of the circulatory system is to _____ materials to and from cells

Transport

37

Which layer of an artery donations thick smooth muscle

Middle layer

38

Venous blood returns to the heart due to _______movements and skeletal muscular contractions

Breathing

39

Name several blood vessels commonly used to take the pulse

Radial, Carotid, brachial, popliteal, dorsal

40

What are the 2 main methods of capillary exchange

Filtration and reabsorption

41

Blood pressure is read with a

Sphygmomanometer

42

Blood typically flows from the heart first to the __1__, then to __2__, then to __3__.

1. Arteries
2. Capillaries
3. Veins

43

What is the structure whose main function is exchange of nutrients and gases between the blood and tissue

Capillaries

44

The force in which blood pushes against artery walls during ventricular contraction is called ______ blood pressure

Systolic

45

The hollow center of blood vessels through which blood flows

Lumen

46

Lymph is very similar to this body fluid

Interstitial

47

Structurally lymphatic vessels most resemble these vessels of the body

Veins

48

Which blood pressure would be considered normal
A. 75/105
B. 108/68
C. 75/90
D. 150/100

B. 108/68

49

Which type of blood vessel is referred to as a blood reservoir

Veins

50

The pulmonary circulation carries blood from the heart to the lungs and back to this chamber.

Left Atrium

51

The exchange of materials between fetal and maternal circulation occurs through this structure

Placenta

52

Name some factors that that vascular resistance is related to

Blood viscosity
blood vessel length and radius

53

At rest most of the blood in the body is contained in these vessels

Veins

54

In an overweight person the factor most likely to increase systemic vessel resistance is

Vessel length

55

A foreign substance that provokes an immune response in the body

Antigen

56

Which receptors are involved in monitoring blood pressure

Baroreceptors

57

Blood pressure would increase with a (increase, decrease) in heart rate, (increase, decrease) in vascular resistance, (increase, decrease) in blood volume, (increase, decrease) in water retention.

All

58

How would the following affect blood pressure
A. Increased cardiac output
B. Decreased blood volume
C. Water retention
D. Increased vascular resistance
E. Increase production of epinephrine

A. Increase
B. Decrease
C. Increase
D. Increase
E. Increase

59

Proteins that are produced by cells which are infected with a virus

Interferons

60

Baroreceptors to monitor the pressure of blood going to the brain are located here

Carotid artery

61

List some functions of the lymphatic system

Drain interstitial fluids
Transport lipids from G.I. to blood

62

All lymph in the body is eventually return to the blood in this vessel

Subclavian vein

63

How would the following affect vascular resistance
A. Blood viscosity increases
B. Blood viscosity increase
C. Increased blood vessel diameter
D. Being in arteries compared to capillaries
E. Increasing blood vessel length

A. Increase
B. Increase
C. Decrease
D. Decrease
E. Increase

64

Slow resting heart rate

Bradycardium

65

Saclike dilation of the artery wall

Aneurism

66

Stretching of walls of veins, especially around valves

Varicose veins

67

Information of vein

Phlebitis

68

Low oxygen availability

Hypoxia

69

Persistently high blood pressure

Hypertension

70

Rapid resting heart rate

Tachycardia

71

High amount of CO2 in the blood

Hypercapnia

72

List some structures involved in the first line of defense against pathogens

Skin, mucous membranes, fluids

73

What are symptoms of inflammation

Pain, redness, heat

74

When a cell is infected by a virus what may the cell produce to help

Interperons

75

Why are lymph nodes important

Filter lymph
Store lymphocytes

76

What term is given to the decrease in diameter of a blood vessel due to contraction of the smooth muscle in it walls

Vasoconstriction

77

In general what vessels can we see through our skin

Veins

78

Mucous membrane would be considered to be a ______ line of defense against pathogens

First

79

Which lymphatic organ is located posterior to the sternum

Thymus

80

Name the major components of the lymphatic system

Lymph, "vessels, red bone marrow"

81

Which cells produce antibodies

B-Cells

82

Which is the largest single mass of lymphatic tissue in the body

Spleen

83

Which lymphocytes are found in lymph nodes

Mature B-Cells

84

Where are damaged and worn-out red bone cells destroyed

Spleen

85

Where is the cardiovascular center located?

Medulla