Chapter 16-17

Question 0

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

Answer 0

Chemoreceptors

Question 1

Where is the cardiovascular center located

Answer 1

Medulla

Question 2

A (long,short) blood vessels with a (small,large) diameter would have the greatest resistance to blood flow

Answer 2

Long, small

Question 3

Pulmonary circulation goes from the (right, left) (atrium, ventricle) to the (right, left) (atrium, ventricle)

Answer 3

Right ventricle

Left atrium

Question 4

Which blood Vessels contain blood with the highest oxygen content

Answer 4

Pulmonary veins

Question 5

From which major blood vessels do all systemic blood Vessels branch

Answer 5

Aorta

Question 6

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

Answer 6

Systemic

Question 7

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

Answer 7

Hepatic portal

Question 8

(Arteries, veins) (closest to, farthest from) the heart have the lowest blood blood pressure

Answer 8

Veins, closest to

Question 9

Vascular resistance is primarily to due which factor?

Answer 9

Friction between blood walls

Question 10

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

Answer 10

Systolic

Question 11

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

Answer 11

Ductus artorious

Question 12

Stimulation of the _____ would cause the heart rate to decrease

Answer 12

Vagus nerve

Question 13

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

Answer 13

Foremen ovale

Question 14

With aging, cardiac muscle fibers ____ in size

Answer 14

Decrease

Question 15

Deafness of the body that are present at birth are referred to as ____ immunity

Answer 15

Innate

Question 16

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

Answer 16

Respiratory

Question 17

As blood passes from the superior and inferior vena cavae to the lungs, it moves through the (right, left) (atrium, ventricle) to the (right, left) (atrium, ventricle) and out through the (pulmonary trunk, pulmonary veins)

Answer 17

Right atrium
Right ventricle
Pulmonary trunk

Question 18

Carry blood away from heart

Answer 18

Arteries

Question 19

Vessels with high blood pressures

Answer 19

Arteries

Question 20

Vessels with the fastest flow

Answer 20

Arteries

Question 21

Vessels that exchange food and waste between blood and tissues

Answer 21

Capillaries

Question 22

Vessels that return interstitial fluid to the bloodstream

Answer 22

Lymphatic vessels

Question 23

Vessels with slowest blood flow

Answer 23

Capillaries

Question 24

Vessels with a thick muscle layer

Answer 24

Arteries

Question 25

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

Answer 25

Capillaries

Question 26

Vessels with the smallest internal diameter

Answer 26

Capillaries

Question 27

Vessels with a very thin muscle layer

Answer 27

Veins

Question 28

Vessels that exhibit a pulse

Answer 28

Arteries

Question 29

Vessels that bring blood to almost every cell in the body

Answer 29

Capillaries

Question 30

Known as "exchange vessels"

Answer 30

Capillaries

Question 31

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

Answer 31

T-cells

Question 32

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

Answer 32

Pulmonary

Question 33

Blood pressure in measured by listening for a constricted _____ to "pop" open

Answer 33

Artery

Question 34

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

Answer 34

Valves

Question 35

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

Answer 35

Transport

Question 36

Which layer of an artery contains thick, smooth muscle?

Answer 36

Middle

Question 37

Venous blood returns to the heart due to_____ movement me and skeletal muscular contractions

Answer 37

Breathing

Question 38

Name several blood vessels commonly used to take the pulse

Answer 38

Radial, carotid, brachial, popliteal dorsal

Question 39

What are the two main methods of capillary exchange?

Answer 39

Filtration and reabsorption

Question 40

Blood pressure is read with an______

Answer 40

Sphygmomanometer

Question 41

Blood typically flows from the heart first to _______, then to _____, then to ______

Answer 41

Arteries Capillaries Veins

Question 42

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

Answer 42

Capillaries

Question 43

The force in which blood pushed against arterial walls during ventricular contraction is called _____ blood pressure

Answer 43

Systolic

Question 44

The hollow center of blood vessels through which blood flows

Answer 44

Luman

Question 45

Lymph is very similar to the body fluid

Answer 45

Interstitial

Question 46

Structurally, lymphatic vessels mist resemble theses vessels of the body

Answer 46

Veins

Question 47

Which blood pressure would be considered to be normal?

Answer 47

108/68

Question 48

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

Answer 48

Veins

Question 49

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

Answer 49

Left atrium

Question 50

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

Answer 50

Placenta

Question 51

Name some factors that vascular resistance related to

Answer 51

Blood viscosity, blood vessel length and radius

Question 52

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

Answer 52

Veins

Question 53

In an overweight person, the factor must likely to increase systemic vessel resistance

Answer 53

Vessel length

Question 54

A foreign substance that provokes an immune response in the body

Answer 54

Antigen

Question 55

Which receptors are involved in monitoring blood pressure

Answer 55

Baroreceptors