Blood Vessels WK8 L3

Question 1

WHAT IS THE GENERAL FUNCTION OF ARTERIES?

Answer 1

ARTERIES TAKE BLOOD AWAY FROM THE HEART - VEINS GO TOWARDS

Question 2

WHAT IS THE GENERAL STRUCTURE OF ARTERIES?

Question 3

ARE ALL ARTERIES TH SAME SIZE?

Answer 3

NO - THE FURTHER AWAY THE ARTERIES ARE FROM THE HEART THE SMALLER THE DIAMETER

Question 4

WHAT ARE THE SMALLEST TYPE OF ARTERIES?

Answer 4

ARTERIOLES

Question 5

WHAT DO ARTERIOLES DO?

Answer 5

CONTROL THE AMOUNT OF BLOOD FLOW INTO THE CAPILLARY BEDS WITH VASDIALATION AND VASOCONSTRICTION

Question 6

HOW TO THE TISSUES GET OXYGEN AND NUTRIENTS?

Answer 6

THROUGH CAPILLARY BEDS

Question 7

HOW MNAY LAYERS ARE THERE TO ARTERIES AND VEINS?

Answer 7

3

Question 8

WHAT ARE THE LAYERS OF ARTERIES AND VEINS?

Answer 8

INNER LAYER - TUNICA INTIMA
MIDDEL LAYER - TUNICA MEDIA
OUTTER LAYER - TUNICA EXTERNA

Question 9

WHAT IS THE INNER LAYER / TUNICA INTIMA. MADE UP OF?

Answer 9

SMOOTH LAYER OR SIMPLE SQUAMOUS EPITHELIUM CELLS

Question 10

WHAT DOES THE INNER LAYER / TUNICA INTIMA DO?

Answer 10

LINES THE BLOOD VESSELS AND REPELS RED BLOOD CELLS FROM STICKING TO WALLS

Question 11

WHAT IS THE MIDDLE LAYER / TUNICA MEDIA MADE UP OF?

Answer 11

THICKEST LAYER MADE UP OF SMOOTH MUSCLE -

Question 12

WHAT DOES THE MIDDLE LAYER / TUNICA MEDIA DO?

Answer 12

CONTRACTS AND RELXAES FOR VASODIALATION AND VASORESTRICTION

Question 13

WHAT IS THE OUTTER LAYER / TUNICA EXTRENA MADE UP OF?

Answer 13

LAYER OF CONNECTIVE TISSUE

Question 14

WHAT DOES THE OUTTER LAYER / TUNICA EXTERNA DO?

Answer 14

PROVIDES STRUCTURAL SUPPORT TO BLOOD VESSELS

Question 15

DO VEINS OR ATERIES HAVE A LARGER LUMIN?

Answer 15

VEINS

Question 16

DO VEINS OR ATERIES HAVE A THICKER MUSCULAR LAYER?

Answer 16

ARTERIES

Question 17

WHY DO LARGER ARTERIES HAVE MORE FIBRE?

Answer 17

TO ACCOMMODATE FOR MORE STRETCH FOR BLOOD PRESSURE DURING HEART RELAXATION

Question 18

WHAT DO THE MEDIUM ARTERIES DO?

Answer 18

DICTATE WHERE THE BLOOD IS DIRECTED BY VASODIALLATION OR VASOCONTRICTION

Question 19

DO CAPILLARIES HAVE A MUSCULAR LAYER IN THE WALLS?

Answer 19

NO

Question 20

DO VEINS OR ARTERIES HAVE A HIGHER PRESSURE?

Answer 20

ARTERIES

Question 21

WHY DO ARTERIES HAVE A HIGHER PRESSURE?

Answer 21

THEY HAVE THE HIGHEST PRESSURE OF BLOOD FLOW

Question 22

WHAT MODIFICATION DO VEINS HAVE THAT ARTERIES DO NOT?

Answer 22

VALVES THAT STOP THE BACKFLOW OF BLOOD DURING MUSCLES RELAXATION

Question 23

WHAT ARE THE SMALLEST VEINS CALLED?

Answer 23

VENULES

Question 24

WHAT DO VENUELS DO?

Answer 24

DRAIN THE CAPILLARY BEDS

Question 25

WHAT ARE ELASTIC ARTERIES?

Answer 25

AORTIC AND PULMONARY ARTERIS THAT HAVE MORE ELASTIC TISSUES IN THE TINCA MEDIA

Question 26

WHAT DO THE ELASTIC ARTERIES DO?

Answer 26

MAINTAIN A RELATIVELY CONSTANT PRESSURE IN THE ARTERY TO CONTROL AND MAINTAIN BLOOD PRESSURE

Question 27

WHAT ARE THE MUSCULAR ARTERIES?

Answer 27

MUSCULAR ARTERIS LILE BRACHIAL RADIAL AND FEMEROL THAT HAVE MORE SMOOTH MUSCLE IN THE TUNICA MEDIA

Question 28

WHAT DO THE MUSCULAR ARTERIES DO?

Answer 28

DRAWS BLOOD FROM ELASTIC ARTERY AND DELIVERS IT TO ORGANS AND BODY

Question 29

WHERE DO THE SMALLEST ARTERIES FEED INTO?

Answer 29

THE MUSCULAR ARTERIES

Question 30

WHAT IS A META ARTERIOLE?

Answer 30

A TYPE OF ARTERIOLE THAT CAN CONNECT DIRECTLY TO A VENULE AND BYPASS CAPILLARY BEDS

Question 31

WHAT ARE PRE CAPILLARY SPHINCTERS?

Answer 31

CONTRACT AND RELAX TO ALLOW BLOOD FLOW INTO CAPILLARIES TO REGULATE BLOOD FLOW

Question 32

HOW MANY TYPES OF CAPILLARIES IS THERE?

Answer 32

3

Question 33

WHAT ARE THE THREE TYPES OF CAPILLARIES?

Answer 33

CONTINUOUS CAPILLARIES FENESTRATED CAPILLARIES SINUSOID CAPILLARIES

Question 34

WHAT ARE CONTINUOUS CAPILLARIES?

Answer 34

CAPILLARIES THAT HAVE A LINING WHERE ONLY SMALL MOLECULES CAN PASS THROUGH LIKE A SINGLE BLOOD CELL

Question 35

WHAT DO CONTINUOUS CAPILLARIES DO?

Answer 35

MOVES SUBSTANCES TO AND FROM THE BLOOD STREAM TO AND FROM ORGANS

Question 36

WHAT ARE FENESTRATED CAPILLARIES?

Answer 36

CAPILLARIES THAT HAVE SMALL OPENINGS THAT ENABLE GAS EXCHANGE

Question 37

WHAT DO FENESTRATED CAPILLARIES DO?

Answer 37

INCREASE THE FLOE OF NUTRIENTS AND WASTE PRODUCTS

Question 38

WHAT ARE SINUSOID CAPILLARIES?

Answer 38

HAVE SMALL OPENING THAT ALLOW ONLY SOME SUBSTANCES THROUGH

Question 39

WHAT DO SINUSOID CAPILLARIES DO?