homework assignment #1

Question 1

Which of the following cells arise from a lymphoid stem cell?

Answer 1

lymphocytes

Question 2

Which of the following is a function of the blood?

Answer 2

• transport of gases
• transport of nutrients and wastes
• defense against toxins and pathogens
• transport of body heat

Question 3

Red blood cells carry __________ to the lungs and __________ to the tissues.

Answer 3

carbon dioxide; oxygen

Question 4

The antibodies that attack antigens on foreign RBCs are called __________.

Answer 4

aggluntinins

Question 5

All the circulating red blood cells in an adult originate in the

Answer 5

red bone marrow

Question 6

People with type AB blood are considered the “universal recipient” for transfusions because

Answer 6

their blood lacks A or B agluntinins

Question 7

The layer of the blood vessel wall that is dominated by smooth muscle cells is called the __________.

Answer 7

tunica media

Question 8

The two major divisions of the ventral body cavity are the

Answer 8

thoracic and abdominopelvic

Question 9

The function of hemoglobin is to

Answer 9

carry dissolved blood gases

Question 10

__________ stimulates production of red blood cells.

Answer 10

erythropoietin

Question 11

Antigens of the surface of red blood cells are also called ________ and antibodies in the blood plasma are also called ________.

Answer 11

agglutiongens; aggluntinins

Question 12

The largest white blood cell in circulation is the __________.

Answer 12

monocyte

Question 13

Venous valves are responsible for

Answer 13

channeling blood toward the heart

Question 14

Compared to arteries, veins

Answer 14

have thinner walls

Question 15

During embryological development, the ventral body cavity subdivides into how many chambers?

Answer 15

it subdivides into four chambers

Question 16

The reduction of friction between the parietal and visceral surfaces of an internal cavity is the function of

Answer 16

serous membranes

Question 17

A person with a type A positive blood type can safely receive blood from all of these donors except __________.

Answer 17

B positive

Question 18

The thoracic cavity contains the

Answer 18

pericardial and pleural cavities

Question 19

The clumping of red blood cells, when the specific antibody against the antigen on the cells is added, is called

Answer 19

agglutination

Question 20

The large vessels that return blood to the heart are called

Answer 20

veins

Question 21

The serous membrane covering the stomach and most of the intestines is called the

Answer 21

peritoneum

Question 22

________ is responsible for the RBC’s ability to transport oxygen and CO2.

Answer 22

hemoglobin

Question 23

Which of these organs is retroperitoneal in location?

Answer 23

kidney

Question 24

What structure do RBCs move through single-file?

Answer 24

capillary

Question 25

The diaphragm muscle separates the ________ from the ________.

Answer 25

thoracic cavity; abdominopelvic cavity

Question 26

Except for the amount of __________, plasma and interstitial fluid differ little in composition.

Answer 26

protein

Question 27

The function of red blood cells is to

Answer 27

carry oxygen to the cells and then carry away carbon dioxide

Question 28

Visceral pericardium is located

Answer 28

on the heart itself

Question 29

Which organ is not contained within the abdominal cavity?

Answer 29

ovary

Question 30

The right pleural cavity contains

Answer 30

the right lung

Question 31

People with type O blood are considered “universal donors” for transfusions because __________

Answer 31

their red blood cells lack A and B surface antigens

Question 32

Red blood cells (RBCs) are removed from the circulation after about __________.

Answer 32

120 days

Question 33

The formed elements of blood consist of _________.

Answer 33

• white blood cells
• red blood cells
• platelets

Question 34

Venae cavae are the largest of what type of vessel?

Answer 34

vein

Question 35

A person with a type A positive blood can safely receive blood from all of these donors EXCEPT __________.

Answer 35

B positive

Question 36

A person with a type A positive blood can safely receive blood from all of these donors EXCEPT __________.

Answer 36

peritoneum

Question 37

Which of these organs is in the thoracic cavity?

Answer 37

• thymus
• trachea
• esophagus

Question 38

In adults, erythropoiesis exclusively takes place in

Answer 38

red bone marrow

Question 39

The process of red blood cell production is called

Answer 39

erythropoiesis

Question 40

Blood type is identified primarily by

Answer 40

both the ABO and Rh blood groups

Question 41

In adults, the only site of red blood cell production, and the primary site of white blood cell formation, is the

Answer 41

red bone marrow