Unit Four Exam

Question 1

What happens to peripheral resistance when the diameter of the blood vessel lumen increases?

Answer 1

Peripheral Resistance decreases

Question 2

What happens to peripheral resistance with atherosclerosis, or cholesterol deposits in the arteries?

Answer 2

Peripheral Resistance increases

Question 3

This superficial vein collects deoxygenated blood from the lateral surface of the upper limb and drains it into the axillary vein:

Answer 3

Cephalic vein

Question 4

The 2 common iliac veins merge to form this very large vein which will empty into the right atrium of the heart:

Answer 4

Inferior Vena Cava

Question 5

This vein carries blood from the digestive tract to the liver:

Answer 5

Hepatic portal vein

Question 6

Which vessels carry blood toward the heart?

Answer 6

veins

Question 7

Which layer of the blood vessel wall is comprised primarily of smooth muscle?

Answer 7

Tunica media

Question 8

The volume of blood pumped out of the ventricles each minute is known as the:

Answer 8

Cardiac Output

Question 9

When the axillary artery reaches the arm region, its name changes to:

Answer 9

Brachial artery

Question 10

With exercise, such as jogging, venous return increases. How will that influence blood pressure?

Answer 10

it will increase cardiac output, and so it will increase BP

Question 11

Which of the following supply the kidneys?

Answer 11

Renal arteries

Question 12

The portion of the aorta found in the chest region is called the:

Answer 12

Thoracic artery

Question 13

Which of the following supplies blood to the testes in the male or ovaries in the female?

Answer 13

Gonadal artery

Question 14

Which of the following arteries branching off the aorta is paired?

Answer 14

Renal

Question 15

When we are dehydrated, we have less water in our blood. The blood is thicker or more “viscous”.

t or f

Answer 15

t

Question 16

Blood vessels are like _____ because their mission is the delivery of oxygen and vital nutrients our bodies require in order to grow and develop.

Answer 16

highways

Question 17

Veins collecting drainage superficial to muscles usually have a matching artery with the same name (ex, cephalic, saphenous).

t or f

Answer 17

f

Question 18

Which of the following flows more easily because its less viscous?

Answer 18

water

Question 19

The pressure in the arteries when the ventricles are contracting (and filling those arteries with a lot of blood) is known as:

Answer 19

Systolic pressure

Question 20

Pressure in the arteries during relaxation of the heart is known as:

Answer 20

Diastolic pressure

Question 21

Unpaired blood vessels always reminded me of a _____ of a tree.

Answer 21

trunk