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50 Cards in this Set
- Front
- Back
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True or False
The lymphatic system is actually a specialized component of the circulatory system, because it consists of a moving fluid derived from the blood and tissue fluid and a group of vessels that return the fluid to the blood. |
True
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True or False
Veins have more valves than do lymphatics. |
False
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True or False
Proteins that accumulate in the tissue spaces can return to the blood via the lymphatics. |
True
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True or False
The supratrochlear lymph nodes are located in the neck along the sternocleidomastoid muscle. |
False
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True or False
Lymphatic capillaries that operate in the villi of the small intestine are called lacteals. |
True
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True or False
Activities that result in the flow of lymph are breathing movements and skeletal muscle contractions. |
True
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True or False
More than 85% of the lymph from the breast enters lymph nodes of the subclavian region. |
False
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True or False
When interstitial fluid enters a lymph vessel, it is called lymph. |
True
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True or False
Interstitial fluid fills the spaces between the cells. |
True
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True or False
The major function of the immune system is defending the body against foreign substances and internal enemies. |
True
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True or False
Phagocytosis is a nonspecific defense mechanism. |
True
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True or False
Diapedesis is the process by which neutrophils migrate out of the bloodstream and around the tissue cells to the injury site. |
True
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True or False
Most antigens are large protein molecules foreign to the body. |
True
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True or False
Inherited immunity and acquired immunity are forms of specific immunity. |
True
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True or False
A rnacrophage can migrate out of the bloodstream. |
True
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True & Flase
The specific immune system has a more rapid response than the nonspecific immune system. |
False
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True & Flase
In phagocytosis, a foot-like projection, called aphagosume, extends toward a microorganism. |
False
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True & Flase
Both B and T lymphocytes develop from hematopoietic stem cells. |
True
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True & Flase
The external openings into the nasal cavities are called nares. |
True
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True & Flase
There are eight paranasal sinuses. |
True
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True & Flase
The lingual tonsils are the tonsils most commonly removed by a tonsillectomy. |
False
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True & Flase
Both the right lung and the left lung are subdivided into three lobes each. |
False
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True & Flase
The space between the lungs occupied mainly by the esophagus, trachea, large blood vessels, and heart is the mediastinum. |
True
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True & Flase
The terms turbinates and conchae refer to the same structures. |
True
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True & Flase
The rib cage and the diaphragm are considered part of the accessory structures of the respiratory system. |
True
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Lymphatics resemble veins except that:
a. lymphatics have thinner walls. b. lymphatics contain more valves. c. lymphatics contain lymph nodes located at certain intervals along their course. d. All of the above |
d. all of the above
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Which of the following is not a lymph organ?
a. Thymus b. Spleen c. Pancreas d. Tonsils |
c. Pancreas
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Lymph ducts empty into the circulatory system, draining into the:
a. jugular vein b. subclaivian veins c. superior vena cava d. inferior vena cava |
b. subclavian veins
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Lymph flows through the thoracic duct and reenters the general'circulation at the rate of about:
a. 1 liter per day b. 0.5 liter per day c. 3 liters per day d. 5 liters per day |
c. 3 liters per day
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Which of the following is a function of lymph nodes?
a. hematopoesis b. filtriation c. phagocytosis d. all of the above |
d. all of the above
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The thymus is located in the:
a. right hypochondriac region b. left hypochondriac region c. mediastinum d. neck |
c. mediastinum
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The tonsils located near the posterior opening of the nasal cavity are called the:
a. palatine tonsils b. pharyngeal tonsils c. lingual tonsils d. laryngeal tonsils |
b. pharyngeal tonsils
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Which of the following is not a function of the spleen?
a. WBC destruction b. platelet descrution c. resivoir for blood d. hematopoesis |
a. WBC destruction
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The body's first line(s) of defense is/are:
a. the skin b. the mucous membranes c. the inflammatory response d. both a and b |
a. the skin
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Inflammation mediators include:
a. histamine b. kinins c. prostaglandins d. all of the above |
d. all of the above
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The type of irnrnune rncchanism that provides a general defense by acting against anylhing
recognized as "not self' is called: a. nonspecific immunity b. specific immunity |
a. nonspecific immunity
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Macromolecules that induce the immune system to make certain responses are called:
a. antigens b. plasma proteins c. antibodies d. prostaglandins |
a. antigens
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The antibody associated with allergic reaction is:
a. IgE b. IgG c. IgM d. IgA |
a. IgE
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The most abundant circulating antibody, the one that normally makes up about 75% of all the antibodies in the blood, is:
a. IgG b. IgA c. IgE d. IgM |
a. IgG
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Complement can best be described as a(n):
a. Enzyme in blood b. lymphokine c. antibody d. horomone |
a. enzyme in blood
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Specific immunity is controlled by two classes of lymphocytes called:
a. antigens and antibodies b. T cells & B cells c. RBC & WBC d. agglutinogens and agglutinins. |
b. T cells & B cells
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Interferon inhibits the spread of:
a. viruses b. bacteria c. cancer d. yeast |
a. viruses
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Which of the following is not a chemical used as a chemical barrier to pathogens?
a. hydrochloric acid b. sebum c. complement d. hydrolyzing enzymes |
c. complement
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This substance on the contains pathogen inhibiting agents.
a. hydrochloric acid b. mucus c. enzymes d. sebum |
d. sebum
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Which of the following is not a hcnction of the respiratory system?
a. assist with homeostasis of body pH b. distribute oxygen to cells c. filtrate air d. warm air |
b. distribute oxygen to cells
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The smallest branches of the bronchial tree are:
a. primary bronchi b. secondary bronchi c. tertiary bronchi d. bronchioles |
d. bronchioles
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The function of surfactant is to:
a. to transport oxygen from air to blood b. to transport carbon dioxide from blood to air c. prevent each alveolus from collapsing as air moves in and out during respiration. d. trap foreign particles as they enter the bronchial tree. |
c. prevent each alveolus from collapsing as air moves in and out during respiration.
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This structure is not part of the lower respiratory tract.
a. larynx b. trachea c. lungs d. all of the above are part of the lower resp. tract |
a. larynx
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Which of the following is not a paranasal sinus?
a. frontal b. maxillary c. mandibular d. sphenoid |
c. mandibular
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The cribriform plate is part of the:
a. nasal bone b. palatine bone c. ethmoid bone d. nasal choncae |
c. ethmoid bone
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