Exam Review 1 pt 2

Question 1

Which statement best describes arteries?

a. all carry oxygenated blood to the heart
b. all carry blood away from the heart
c. all contain valves to prevent the backflow of blood
d. only large arteries are lined with endothelium

Answer 1

b. all carry blood away from the heart

Question 2

The vessels that permit the exchange of nutrients and gases between blood and tissue cells are the:

a. arterioles b. venules
c. veins d. capillaries

Answer 2

d. capillaries

Question 3

The term ductus venosus refers to:

a. a fetal shunt that bypasses the lungs
b. a fetal shunt that allows blood to bypass the liver
c. a vein involved in the hepatic portal system
d. a vein involved in the Circle of Willis

Answer 3

b. a fetal shunt that allows blood to bypass the liver

Question 4

Which tunic of an artery is most responsible for maintaining blood pressure and continuous blood circulation?

a. tunica interna b. tunica media
c. tunica externa d. tunica adventitia

Answer 4

b. tunica media

Question 5

A thrombus (blood clot) in the first branch of the arch of the aorta would affect the flow of blood to the:

a. left side of the heart and neck
b. myocardium of the heart
c. left upper arm
d. right side of the head, right neck, and right upper arm

Answer 5

d. right side of the head, right neck, and right upper arm

Question 6

Small organs associated with lymphatic vessels are termed:

a. lymph follicles b. lymph nodes
c. axillary nodes d. cisterna chyli

Answer 6

b. lymph nodes

Question 7

The direct conversion of fibrinogen to fibrin requires this:

a. thrombin
b. factor X
c. von Willibrand factor
d. all of these

Answer 7

a. thrombin

Question 8

Functions of the spleen include all of the following EXCEPT:

a. removal of old or defective formed elements from the blood
b. trapping bacteria
c. storage of blood platelets
d. storage of iron

Answer 8

does all the above

Question 9

Platelets have to do with:

a. blood clot formation
b. hormone transport
c. antibody formation
d. carbon dioxide transport
e. a and b

Answer 9

a. blood clot formation

Question 10

Red blood cells at any time are formed in the :

a. thymus
b. bone marrow
c. liver
d. kidney
e. b and c

Answer 10

b. bone marrow

Question 11

Systolic pressure is due to:

a. atrial contraction
b. ventricular contraction
c. aortic rebound
d. venous pressure
e. a and c

Answer 11

b. ventricular contraction

Question 12

This is a branch of the subclavian:

a. costocervical trunk
b. brachial artery
c. subscapular
d. intercostals

Answer 12

a. costocervical trunk

Question 13

This is the connection between the ulna and radial arteries:

a. superficial pedal arch
b. superficial palmer arch
c. profunda brachii
d. ulan recurrent
e. a and b

Answer 13

b. superficial palmer arch

Question 14

eosinophils

Answer 14

-large red cytoplasmic granules; bilobed nucleus
- involved in parasitic worm infestations an
allergic responses

Question 15

monocytes

Answer 15

• horseshoe or U-shaped nucleus; no cytoplasmic granules visible
• phagocytic; long-term response

Question 16

basophils

Answer 16

• coarse dark cytoplasmic granules; nucleus is often obscured
• release heparin & histamines

Question 17

erythrocytes

Answer 17

• biconcave discs; no nucleus

- transport of respiratory gases

Question 18

lymphocytes

Answer 18

large nucleus with very little cytoplasm; no cytoplasmic granules visible
- involved in immune response and antibody production

Question 19

neutrophils

Answer 19

• fine pink-purple cytoplasmic granules; multilobed nucleus (3-6 lobes)
• phagocytic; quick response

Question 20

platelets

Answer 20

• cytoplasmic fragments; no nucleus or organelles

- blood clotting

Question 21

two types of lymphocytes

Answer 21

B cells and T cells

Question 22

B cells

Answer 22

involved in antibody production

Question 23

T cells

Answer 23

involved in finding and destroying infected body cells and cancer cells.

Question 24

hepatic artery

Answer 24

supplies blood to the liver

Question 25

femoral artery

Answer 25

supplies blood to the quadriceps femoris

Question 26

testicular artery

Answer 26

supplies blood to the testes

Question 27

superior mesenteric vein

Answer 27

drains blood from the small intestines

Question 28

anterior tibial vein

Answer 28

drains blood from the anterior leg

Question 29

radial artery

Answer 29

supplies blood to the lateral forearm

Question 30

renal artery

Answer 30

supplies blood to the kidneys

Question 31

external carotid

Answer 31

supplies blood to the masseter and temporalis muscles