Anatomy Chapters 17 & 18
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| Which of the following is NOT true concerning the lymphatic system? | Lymphatic tissue is present in only a few isolated organs in the body.
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| Which of the following are produced by virus-infected cells to protect unifected cells from viral invasion? | prostaglandins
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| Lymph flow is aided by | all of the above
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| Which of the following best represents lymph flow from the interstitial spaces back to the blood? | capillaries --> vessels --> ducts --> junction of internal jugular & subclavian veins
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| Lymph nodes | filter lymph
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| Which of the following is NOT true about the role of skin the innate immunity? | Epidermal cells produce interferons to destroy viruses
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| Which of the following statements about B cells is true? | Some develop into plasma cells that secrete antibodies.
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| The cells that release granzymes, perforin, granulysin, and lymphotoixin are? | cytotoxic T cells
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| The secondary response in antibody-mediated immunity? | is an intense response by memory cells to produce antibodies when an antigen is contacted again.
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| The ability of the body's immune system to recognize its own tissues is known as? | self-tolerance
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| A disease that causes destruction of helper T cells would result in all of the following effects EXCEPT? | alteration of lymph flow
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| In which lymphatic organ do T cells mature? | thymus
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| Place the following steps involved in the process of inflammation in the correct order. | d. 6, 2, 5, 1, 4, 3
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| What happens during opsonization? | binding of complement to a microbe
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| All of the following contribute to innate immunity EXCEPT? | immunoglobulins
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| Vasodilation and increased vessel permeability occur with the release of ? | histamine
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| Place the phases of antigen processing in the correct order. | b. 4, 1, 6, 2, 5, 3
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| Antibodies attack antigens by all of the following methods EXCEPT? | production of acid secretions
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| What is the importance of tonsils int eh body's defenses? | They help destroy microbes that are inhaled or ingested.
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| Which of the following is NOT true concerning the phyarynx? | The palatine and lingual tonsils are located in the laryngopharynx.
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| During speaking, you raise your voice's pitch. This is possible because? | you have increased the tension on the true vocal cords.
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| Johnny is having an asthma attack and feels as if he cannot breath. Why? | Spasms in the bronchiole smooth muscle have blocked airflow to the alveoli.
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| Which sequence of events best descreibes inhalation? | contraction of diaphragm and external intercostals --> increase in size of thoracic cavity --> decrease in alveolar pressure
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| Which of the following does NOT help keep air passages clear? | capillaries in the nasal cavities
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| The inflation refelx | is initiated by overinflation of the lungs.
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| How does hypercapnia affect respiration? | It increases the rate of respiration?
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| Air would flow into the lungs along the following route? | d. 6, 2, 3, 5, 1, 4
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| Under normal body conditions, hemoglobin releases oxygen more readily when? | body temperature increases
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| Which of the following statements is NOT true concerning the lungs? | The right lung contins the cardiac notch.
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| Exhalation | occurs when alveolar pressure is greater than atmospheric pressure
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| Where is the cricoid cartilage located? | larynx
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| What is a primary factor that allows bronchioles to collapse more readily than the rest of the bronchial tree? | the rest of the bronchial tree contains supporting cartilage
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| The primary form in which oxygen is transported in the blood is? | oxyhemoglobin
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| Decreasing the surface area of the respiratory membrane would affect? | external respiration
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| In which form is carbon dioxide NOT carried in the blood? | oxyhemoglobin
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| Fill in the blanks in the following chemical reactions. | H2O, HCO3-
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| Of the following, which would have the highest partial pressure of oxygen? | alveolar air immediately after inhalation
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