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Bio 202 Clickers Exam 2

1.

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

Spleen and thymus

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

Removing erythrocytes from the system

3.

The right lymphatic duct drains ___

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

4.

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

pumping action of the heart

5.

Antigens that can provoke an immune response include ___

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

6.

These cells recognize antigens and initiate immune response

lymphocytes

7.

B cells provide this kind of immunity

humoral

8.

Germinal centers in the cortex of lymph nodes contain primarily ___

B cells

9.

This medullary region of the lymph node contains primarily ___

macrophages

10.

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

white

11.

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

crypts

12.

What is NOT true about antibodies

They are cells

13.

Lymph vessels resemble these vessels of the systemic circulation

Veins

14.

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

Lymph nodes

15.

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

Fat

16.

The function of B cells in the immune response is ___

to produce plasma cells that make antibodies

17.

The property of immunological memory is ___

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

18.

What causes the flow of lymph to slow within lymph nodes

there are more afferent vessels than efferent vessels

19.

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

variable portion of heavy and light chains

20.

Antibodies ___

are proteins composed of heavy and light chains

21.

The function of the respiratory system is to ____

supply the body with oxygen and eliminate carbon dioxide

22.

Ventilation is ___

the movement of air into and out of lungs

23.

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

nasopharynx

24.

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

vocal folds

25.

The trachea divides into ___ bronchi that lead to the lungs

2?

26.

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

terminal bronchiole/respiratory bronchiole junction

27.

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

anatomical dead space

28.

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

thyroid

29.

What kind of epithelium lines the trachea?

pseudostratified ciliated columnar

30.

The main bronchi enter the lungs at an area called the

hilum of the lung

31.

The larynx ____

contains the apparatus for speech

32.

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

parietal pleura

33.

Inspiration is the time during which ___

air is taken into the lungs

34.

Tidal volume is ___

the amount of air inhaled or exhaled with each resting breath

35.

Vesicular breathing sounds probably result from ____

air filling the alveolar sacs ???

36.

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

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

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.

carbonic acid; HCO3-

38.

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

Tidal volume,

39.

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

expiratory reserve

40.

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

IRV, TV, and ERV

41.

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

FVC will be decreased

42.

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

residual volume