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Bio 202 Clickers Exam 2

front 1

The lymphatic system consists of lymphatic vessels, lymphatic tissue, lymph nodes, and lymphoid organs such as ____

back 1

Spleen and thymus

front 2

The functions of the lymph system include all of the following except ____

A. Protecting the body from foreign substance

B. Returning tissue fluid to the system circulatory system

C. Filtering the lymph fluid

D. Removing worn out RBCs from the system

back 2

Removing erythrocytes from the system

front 3

The right lymphatic duct drains ___

back 3

the right side of the head and thorax, and the right upper extremity

front 4

Select the mechanism below that is not involved in the flow of lymph through the body

back 4

pumping action of the heart

front 5

Antigens that can provoke an immune response include ___

back 5

Foreign proteins; polysaccharides; Small molecules, haptens, that link to our own body proteins

front 6

These cells recognize antigens and initiate immune response

back 6

lymphocytes

front 7

B cells provide this kind of immunity

back 7

humoral

front 8

Germinal centers in the cortex of lymph nodes contain primarily ___

back 8

B cells

front 9

This medullary region of the lymph node contains primarily ___

back 9

macrophages

front 10

The ____ pulp is responsible for the immune functions of the spleen

back 10

white

front 11

In the tonsils, these structures trap bacteria and other foreign material

back 11

crypts

front 12

What is NOT true about antibodies

back 12

They are cells

front 13

Lymph vessels resemble these vessels of the systemic circulation

back 13

Veins

front 14

Although all of the organs below can raise an immune response, only this one filters the lymph

back 14

Lymph nodes

front 15

Lymph in the cisterna chyli differs in composition from lymph in the general lymphatic stream in that it contains more ____

back 15

Fat

front 16

The function of B cells in the immune response is ___

back 16

to produce plasma cells that make antibodies

front 17

The property of immunological memory is ___

back 17

the ability to recognize and mount an attack [that was previously encountered]

front 18

What causes the flow of lymph to slow within lymph nodes

back 18

there are more afferent vessels than efferent vessels

front 19

This region of an antibody forms the antigen-binding site that binds a specific antigenic determinant of an antigen

back 19

variable portion of heavy and light chains

front 20

Antibodies ___

back 20

are proteins composed of heavy and light chains

front 21

The function of the respiratory system is to ____

back 21

supply the body with oxygen and eliminate carbon dioxide

front 22

Ventilation is ___

back 22

the movement of air into and out of lungs

front 23

This portion of the upper respiratory system serves only as an air passageway

back 23

nasopharynx

front 24

Speech occurs when air is moved through this passageway between the ____

back 24

vocal folds

front 25

The trachea divides into ___ bronchi that lead to the lungs

back 25

2?

front 26

The boundary between the conducting zone and the respiratory zone structures occurs at the ____

back 26

terminal bronchiole/respiratory bronchiole junction

front 27

Because the conducting zone structures have no gas exchange function, they are called ___

back 27

anatomical dead space

front 28

The prominence on this laryngeal cartilage is called the Adam's apple

back 28

thyroid

front 29

What kind of epithelium lines the trachea?

back 29

pseudostratified ciliated columnar

front 30

The main bronchi enter the lungs at an area called the

back 30

hilum of the lung

front 31

The larynx ____

back 31

contains the apparatus for speech

front 32

The portion of the serous membrane that lines the thoracic walls is called the ____

back 32

parietal pleura

front 33

Inspiration is the time during which ___

back 33

air is taken into the lungs

front 34

Tidal volume is ___

back 34

the amount of air inhaled or exhaled with each resting breath

front 35

Vesicular breathing sounds probably result from ____

back 35

air filling the alveolar sacs ???

front 36

Nervous system centers set the normal resting rate and depth or respiration. Which factors below can alter this normal respiratory rate and depth?

back 36

Exercise, changes in blood CO2 levels, and changes in the pH of the blood

front 37

CO2 from tissue cells forms ___ when combined with water. this compound dissociates into H+ and ____, and participates in an important buffering system in the blood.

back 37

carbonic acid; HCO3-

front 38

To compute inspiratory reserve volume (IRV), one would need to know ____

back 38

Tidal volume,

front 39

The amount of air that can be forcefully exhaled after a normal tidal volume exhalation is called the __

back 39

expiratory reserve

front 40

The vital capacity, or maximal amount of air that one can move, is the sum of ___

back 40

IRV, TV, and ERV

front 41

In testing a patient who has tuberculosis, you would expect the ____

back 41

FVC will be decreased

front 42

Once you measure the TV and vital capacity, you must also calculate the ___ before you can determine the total lung capacity.

back 42

residual volume