40B - Lab - Exercise #30

Question 1

Right and left coronary arteries

Answer 1

Vascularize myocardium

Near origin of ascending aorta

Question 2

What blood vessels branch off the aortic arch?

Answer 2

Right to left:

1. Brachiocephalic trunk
2. Left common carotid artery
3. Left subclavian artery

Question 3

What blood vessels branch off the brachiocephalic trunk?

Answer 3

Right common carotid artery and right subclavian artery

Question 4

What does the descending aorta turn into?

Answer 4

The thoracic aorta then the abdominal aorta

Question 5

What is the structural and functional relationship of capillaries to other blood vessels?

Answer 5

Capillaries are smaller than arteries and veins and will exchange substances to diffuse into surrounding tissue

Question 6

What blood vessel do you press down on to take a pulse?

Answer 6

Right and left common carotid artery

Question 7

What blood vessels branch off the Ascending Aorta?

Answer 7

The right and left coronary arteries

Question 8

Specific arteries carry deoxygenated blood

Answer 8

In adult: pulmonary arteries

In fetus: umbilical arteries

Question 9

Specific veins that carry oxygenated blood?

Answer 9

In adults: pulmonary veins

In fetus: umbilical veins

Question 10

Aortic hiatus

Answer 10

Opening in diaphragm for aorta

Question 11

Canal opening

Answer 11

Opening in diaphragm for inferior vena cava

Question 12

Esophageal hiatus

Answer 12

Opening in diaphragm for esophagus

Question 13

Openings in diaphragm from anterior to posterior

Answer 13

1. Canal opening
2. Esophageal hiatus
3. Aortic hiatus

Question 14

What does the brachiocephalic trunk vascularize?

Answer 14

Brain and head

Question 15

What does the right common carotid artery vascularize?

Answer 15

Right side of neck and head

Question 16

What does the right subclavian artery vascularize?

Answer 16

Right arm

Question 17

What does the left common carotid artery vascularize?

Answer 17

Left side of neck and head

Question 18

What does the left subclavian artery vascularize?

Answer 18

Left arm

Question 19

What blood vessel is used to take a pulse at the wrist?

Answer 19

Right and left radial artery

Question 20

Which blood vessel is used to take blood pressure?

Answer 20

Right and left brachial artery

Question 21

Where is blood usually drawn from?

Answer 21

Right and left median cubital vein

Question 22

What is the longest vein in body?

Answer 22

Great saphenous vein

Question 23

Placenta

Answer 23

“Vehicle of exchange”

Question 24

Umbilical Arteries

Answer 24

Carry oxygenated-poor fetal blood to the placenta

Question 25

Umbilical Vein

Answer 25

Carrys oxygen-rich blood back to fetus

Question 26

Foramen Ovale

Answer 26

*HELPS BYPASS LUNGS

Opening in atrial septum that allows blood to pass form right to left atrium

Question 27

Ductus Arteriosus

Answer 27

*HELPS BY PASS LUNGS

Arterial vessel that connects pulmonary trunk with aorta

Question 28

What does the Foramen Ovale change into?

Answer 28

Closes and becomes fossa ovalis

Question 29

What does the ductus arteriosus change into?

Answer 29

Closes and becomes the ligamentum arteriosum

Question 30

Intercalated Disc

Answer 30

Area where muscle cells “snap”

Question 31

Gap junction

Answer 31

Within intercalated disc and moves ions across from cell to cell

Question 32

The placenta is a(n) ________ organ

Answer 32

Endocrine