blood vessels and circulation

Question 1

each of the following will cause an increase in blood pressure except:

increased levels of aldosterone

increased blood volume

increased levels of ANP (atrial natriuretic peptide)

increased levels of ADH (antidiuretic hormone)

Answer 1

increased levels of ANP (atrial natriuretic peptide)

Question 2

elevated levels of the natriuretic peptide hormones ANP and BNP will produce increased:

salt and water loss through kidneys

blood volume

sodium ion levels in blood

blood pressure

Answer 2

salt and water loss through the kidneys

Question 3

what is the function of venous valves:

preventing anterograde (moving forward) flow

channeling blood away from the heart

channeling blood toward the heart

preventing blood from re-entering ventricles

Answer 3

channeling blood toward the heart

Question 4

which one the following is true of arteries?

walls of arteries are thinner than veins

arteries carry oxygenated blood

arteries have a wider lumen

Answer 4

arteries take blood away from the heart

Question 5

resistance is force that:

increases blood flow

decreases blood flow

never changes in a blood vessel

acts with pressure to move blood along a vessel

Answer 5

decreases blood flow

Question 6

the vessel that receives blood from the head, neck, chest, shoulders, and arms is the:

internal jugular vein

external jugular vein

superior vena cava

inferior vena cava

Answer 6

superior vena cava

Question 7

blood flow to a tissue will increase if the:

level of oxygen at the tissue increases

level of carbon dioxide at the tissue decreases

veins constrict

arterioles dilate

Answer 7

arterioles dilate

Question 8

if a person has a blood pressure of 120/90 his mean arterial pressure would be ___ mm Hg

210 Hg
100 Hg
30 Hg
105 Hg

Answer 8

100 Hg

Question 9

the superior phrenic artery supplies blood to the:

lungs
liver
diaphragm
pharynx

Answer 9

diaphragm

Question 10

what is the most permeable capillaries in the liver:

sinusoids
anastomosis
hepatic portal vein
hepatic artery

Answer 10

sinusoids

Question 11

the right pulmonary veins carry _____ blood to the ____

deoxygenated; left atrium
oxygenated;right lung
deoxygenated; right atrium
oxygenated; left atrium

Answer 11

oxygenated; left atrium

Question 12

after entering the arm, what does the axillary artery become?

radial artery
ulnar artery
brachial artery
subclavian artery

Answer 12

brachial artery

Question 13

which blood vessel is felt for taking pulse?

brachial artery
radial vein
radial artery
renal artery

Answer 13

radial artery

Question 14

what is the correct order for the sequence of blood vessels that blood would travel in the systemic circuit, starting at aorta?

1. venules
2. arterioles
3. capillaries
4. elastic arteries
5. medium veins
6. large veins
7. muscular arteries

Answer 14

4. elastic arteries
5. muscular arteries
6. arterioles
7. capillaries
8. venules
9. medium veins
10. large veins

Question 15

in arteries, which is the thick layer of elastic fibers associated with the tunica intima

tunica intima
external elastic membrane
tunica media

Answer 15

internal elastic membrane

Question 16

the left common carotid artery supplies

Answer 16

oxygenated blood to left side of neck and head region

Question 17

the left subclavian artery supplies

Answer 17

oxygenated blood to left arm

Question 18

the left renal artery supplies

Answer 18

oxygenated blood to left kidney

Question 19

the left common iliac artery supplies

Answer 19

oxygenated blood to left leg and left pelvic region

Question 20

the radial artery supplies

Answer 20

oxygenated blood to forearm and hand

Question 21

the left femoral artery supplies

Answer 21

oxygenated blood to the left thigh

Question 22

the left popliteal artery supplies

Answer 22

oxygenated blood to lower part of leg

Question 23

the right jugular vein drains

Answer 23

deoxygenated blood from right neck, face, brain

Question 24

the right subclavian vein drains

Answer 24

deoxygenated blood from right arm

Question 25

longest vein

Answer 25

great saphenous vein

Question 26

what are the 2 branches that orginate brachiocephalic trunk?

Answer 26

right subclavian artery
right common carotid artery

Question 27

wall of artery

Answer 27

1. tunica externa
2. middle tunica media
3. tunica intima
4. smooth muscle
5. internal elastic membrane
6. endothelium