Rebecca Matthews
Quiz by , created more than 1 year ago

practice exam for finals covering respiratory system

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Rebecca Matthews
Created by Rebecca Matthews about 5 years ago
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  • respiratory system

    Question 1 of 33

    1

    What are the 3 functions of the respiratory system?
    1.
    2.
    3.

    Drag and drop to complete the text.

      O2 supply
      O2 supply
      O2 production
      O2 production
      CO2 elimination
      CO2 elimination
      CO2 supply
      CO2 supply
      acid/base balance
      acid/base balance
      regulation of O2
      regulation of O2

    Explanation

    Question 2 of 33

    1

    Which of the following is the bicarbonate equation (note <------> is the symbol for a reversible reaction):

    Select one of the following:

    • CO2 + H2O <------> H3CO2 <------ H+ + HCO2

    • CO2 + H2O <------> H2CO3 <------> H+ + HCO3

    • H2CO3------> CO2 + H2O <------> H+ + HCO3

    • CO2 + H2O <------> H2CO3 <------> H+ + HCO3-

    Explanation

    Question 3 of 33

    1

    Fill the blank space to complete the text.

    The is the point of attachment for the lungs.

    Explanation

    Question 4 of 33

    1

    Select from the dropdown lists to complete the text.

    The right heart takes blood from the ( systemic, pulmonary ) circuit and pumps it into the ( pulmonary, systemic ) circuit.

    Explanation

    Question 5 of 33

    1

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    The left heart takes blood from the ( pulmonary, systemic ) circuit and pumps it into the ( systemic, pulmonary ) circuit.

    Explanation

    Question 6 of 33

    1

    List all the structures through which air passes from the nostrils to the alveoli.

    ------> ------> ------> ------> ------> ------> ------> ------> ------> ------> ------> ------>

    Drag and drop to complete the text.

      Nostrils
      Nostrils
      vestibule
      vestibule
      posterior nares
      posterior nares
      nasopharynx
      nasopharynx
      oropharynx
      oropharynx
      laryngopharynx
      laryngopharynx
      larynx (voice box)
      larynx (voice box)
      trachea
      trachea
      primary bronchi
      primary bronchi
      secondary bronchi
      secondary bronchi
      tertiary bronchi
      tertiary bronchi
      bronchioles (2 kinds)
      bronchioles (2 kinds)
      alveoli
      alveoli

    Explanation

    Question 7 of 33

    1

    Most of the gas exchange in the lungs occurs in the:

    Select one or more of the following:

    • bronchioles

    • alveoli

    • dead space

    • membranes

    Explanation

    Question 8 of 33

    1

    Fill the blank space to complete the text.

    The outer covering of the lung is called the pleura

    Explanation

    Question 9 of 33

    1

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    Although the lungs are only attached to the body at the ( hilus, apex ), the lungs fill the volume provided in the thoracic cavity because of ( negative, positive ) ( intrapleural, interpleural ) ( pressure., force )

    Explanation

    Question 10 of 33

    1

    The inverse relationship between pressure and volume is who's law?

    Select one of the following:

    • LaPlace

    • Boyle

    Explanation

    Question 11 of 33

    1

    The purpose in the cartilaginous rings in the trachea are:

    Select one of the following:

    • Maintain constant pressure and even air flow

    • allow for optimal vital lung capacity

    • prevent it from collapsing

    • allow for deglutition (swallowing)

    Explanation

    Question 12 of 33

    1

    Most of the resistance in the respiratory system is found in the intrapleural space and thus it is filled with fluid to ease this problem.

    Select one of the following:

    • True
    • False

    Explanation

    Question 13 of 33

    1

    Select from the dropdown list to complete the text.

    Alveolar pressure is ( sub-atmospheric, atmospheric, Positive (greater) than atmospheric P ) during inspiration.

    Explanation

    Question 14 of 33

    1

    The principal muscles of expiration are:

    Select one of the following:

    • abdominal

    • thoracic

    • diaphragmatic

    Explanation

    Question 15 of 33

    1

    Fill the blank space to complete the text.

    The muscles between the ribs are the

    Explanation

    Question 16 of 33

    1

    place the appropriate type of intercostal muscle with it's correct type of action:
    Inspiration ------>
    Expiration ------>

    Drag and drop to complete the text.

      external intercostal
      external intercostal
      internal intercostal
      internal intercostal

    Explanation

    Question 17 of 33

    1

    Match the following terms correctly:
    ------> air into the intrapleural space
    ------> water into the intrapleural space
    ------> blood into the intrapleural space
    ------> pain associated with inflammation of the pleura, friction rub
    -----> where air and water meet

    Drag and drop to complete the text.

      pneumothorax
      pneumothorax
      hydrothorax
      hydrothorax
      hemothorax
      hemothorax
      pleurisy
      pleurisy
      air/liquid interface -
      air/liquid interface -

    Explanation

    Question 18 of 33

    1

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    The pressure in small soap bubbles is ( higher, lower ) than the pressure in large bubbles made of the same soap solution?

    Explanation

    Question 19 of 33

    1

    How many air/liquid interfaces are there in a soap bubble?

    Select one of the following:

    • 1

    • 2

    • 0

    • 4

    Explanation

    Question 20 of 33

    1

    Which of the following plays a role in stabilizing alveoli of different sizes and decreases surface tension?

    Select one of the following:

    • pulmonary surfactant

    • LaPlace law states the surface tension is due to water molecules starting to get closer

    • a soapy fluid on the alveoli called secraftin

    • the negative pressure withing the lungs

    Explanation

    Question 21 of 33

    1

    Select from the dropdown lists to complete the text.

    Indicate if the effect of the variable indicated on diffusion rate would be direct or inverse:
    increased concentration gradient ------> ( direct, inverse )
    increased molecular size ------> ( inverse, direct )
    increased diffusion distance ------> ( inverse, direct )
    increased surface area ------> ( direct, inverse )
    increased temperature ------> ( direct, inverse )

    Explanation

    Question 22 of 33

    1

    It is Boyle's Law that explains why it is so hard to get inflation started when blowing up a balloon?

    Select one of the following:

    • True
    • False

    Explanation

    Question 23 of 33

    1

    Indicate the effect of the variable on hemoglobin-oxygen affinity and if the effect will favor O2 loading or unloading:

    Increased temperature

    Select one or more of the following:

    • decreased hemoglobin-O2 affinity

    • increased hemoglobin- O2 affinity

    • O2 loading

    • O2 unloading

    Explanation

    Question 24 of 33

    1

    Indicate the effect of the variable on hemoglobin-oxygen affinity and if the effect will favor O2 loading or unloading:

    increased CO2

    Select one or more of the following:

    • decreased hemoglobin-O2 affinity

    • increased hemoglobin-O2 affinity

    • O2 loading

    • O2 unloading

    Explanation

    Question 25 of 33

    1

    Indicate the effect of the variable on hemoglobin-oxygen affinity and if the effect will favor O2 loading or unloading:

    decreased pH

    Select one or more of the following:

    • increased hemoglobin-O2 affinity

    • decreased hemoglobin-O2 affinity

    • O2 loading

    • O2 unloading

    Explanation

    Question 26 of 33

    1

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    Hyperventilation results in an ( decrease, increase ) in blood CO2.

    Explanation

    Question 27 of 33

    1

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    Hyperventilation results in an ( increase, decrease ) in blood pH.

    Explanation

    Question 28 of 33

    1

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    Most CO2 transported in the blood is transported as ions.

    Explanation

    Question 29 of 33

    1

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    ( CO2, O2 ) dissolves more easily in water.

    Explanation

    Question 30 of 33

    1

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    In terrestrial vertebraes the primary regulated variable in respiration is ( O2, CO2 ).

    Explanation

    Question 31 of 33

    1

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    In aquatic vertebrates the primary regulated variable in respiration is ( CO2, O2 ).

    Explanation

    Question 32 of 33

    1

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    A pH of 10 is ( 1000, 10, 100, 10000 ) times more ( base, acid ) than a pH of 7.

    Explanation

    Question 33 of 33

    1

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    Adding acid to water generally ( increases, decreases ) the pH.

    Explanation