Transport in Mammals

Transport in Mammals

blood vessels - consolidating understanding

Multiple Choice

As the right ventricle contracts, the blood flows into the 

• Heart
• Pulmonary arteries 
• Atrium
• Ventricle 

Multiple Choice

Freshly oxygenated blood is delivered to the _____________ and then it passes into the  __________ to be pumped to the entire body.

• right ventricle; right atrium
• left ventricle; left atrium
• left atrium; left ventricle
• right atrium; right ventricle

Multiple Choice

Blood leaves the right ventricle through the ___________.

• pulmonary artery
• aorta
• superior vena cava
• right atrium

Multiple Choice

Which number is the pulmonary artery?

• 4

• 5

• 6

• 8

Multiple Choice

These carry blood away from the heart

• arteries

• veins

• venules

• capillaries

Multiple Choice

These have muscular walls:

• capillaries
• veins
• venules
• arteries

Multiple Select

Which of these blood vessels have small lumens? (Two answers)

• Artery

• Vein

• Capillary

Multiple Choice

What are present in veins but absent in arteries?

• smooth elastic tissues

• muscular tissues

• valves

Multiple Choice

Blood returning from the body enters the

• right atrium

• left atrium

• left ventricle

• right ventricle

Multiple Choice

Which of the following shows a correct route for the exchange of substances in blood?

• arteriole --> artery --> capillary --> vein --> venule

• artery --> vein --> capillary --> venule --> arteriole

• venule --> vein --> capillary --> artery --> arteriole

• artery --> arteriole --> capillary --> venule --> vein

Multiple Select

Which of the following is/are true of a venule?

One, some or all answers could be correct?

• It is a small vein

• It connects arteries to capillaries

• It ensures that blood containing wastes is taken away from organs by veins

• It usually carries oxygenated blood

Multiple Select

Which of the following is/are true of an arteriole?

One, some or all answers could be correct?

• It is a small artery

• It connects arteries to capillaries

• It contains smooth muscle that can contract and relax

• It controls blood flow to different organs by changing its diameter

Multiple Select

Which of the following is true of an artery?

One, some or all answers could be correct?

• it carries blood back to the heart

• it has a thick layer of elastic tissue

• it has a thin layer of muscle tissue

• it has a narrow lumen

Multiple Select

Which of the following is true of an artery?

One, some or all answers could be correct?

• it carries blood at a high pressure

• it always carries oxygenated blood

• it carries blood away from the heart

• it has an outer layer of connective tissue

Multiple Choice

Skeletal muscles help blood to move towards the heart when it

• contract.

• relax.

Multiple Choice

Large amounts of elastic fibers help arteries to

• not burst under high pressure.

• stretch and recoil to help push blood along it.

• help maintain blood pressure.

• carry out peristalsis.

Multiple Choice

Smooth muscles in arteries help

• to push blood along through peristalsis.

• to prevent the blood vessel from bursting.

• to maintain blood pressure.

• the blood vessel in elastic recoil in order to push the blood along during diastole.

Multiple Choice

How many layers of cells make up the wall of a capillary?

• 1

• 2

• 3

• 4

Multiple Choice

Which part of a blood vessel does blood flow in?

• Artery

• Lumen

• Gap

• Capillary wall

Multiple Choice

Thin-walled vessels that allow for the exchange of O_{2 ,} CO₂, nutrients and wastes between blood cells or air sacs in the lungs

• Arteries
• Veins
• Capillaries

Multiple Choice

Where pressure is the highest

• arteries closest to the heart
• veins closest to the heart
• capillaries
• venules

Multiple Choice

Which of the following is the smallest blood vessel?

• Venules

• Arterioles

• Veins

• Capillaries

Multiple Choice

Which of the following is the smallest blood vessel?

• Venules

• Arterioles

• Veins

• Capillaries

Multiple Choice

Collects blood that is draining from head and arms.

• Inferior vena cava
• Superior vena cava
• Brachial vein
• Median cubital vein

Multiple Choice

Drains the kidneys.

• Renal veins
• Great saphenous veins
• Tibial veins
• External jugular veins

Multiple Choice

Longest veins in the human body.

• Iliac veins
• Great saphenous veins
• Tibial veins
• External jugular veins

Multiple Choice

Collects blood that is draining from the lower body.

• Inferior vena cava
• Superior vena cava
• Brachial vein
• Median cubital vein

Multiple Choice

Supply the heart.

• Phrenic arteries
• Thoracic aorta
• Aortic arch
• Coronary arteries

Multiple Choice

Supplies the liver.

• Common hepatic artery
• Left subclavian artery
• Left common carotid artery
• Esophageal arteries

Multiple Choice

Aorta that follows the spine below the diaphragm.

• Intercostal arteries
• Bronchial arteries
• Aorta
• Abdominal aorta

Multiple Choice

Largest artery of the body.

• Intercostal arteries
• Bronchial arteries
• Aorta
• Abdominal aorta

Poll

How comfortable are you with blood vessels?

• Super! I can perform surgery.

• Some what. I can help a friend understand the topic

• Insecure. So many names

• I will hemorrhage if this is test