with correct answers
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1. A student nurse is explaining to a pt about the respiratory
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system. Which statement by the student nurse would require
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correction from the clinical instructor?
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a. Neural & chemical regulators control the rate and depth of
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respiration in response to changing tissue O2 demands.
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b. The respiratory system is the system responsible for supplying
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O2 to the rest of the body.
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c. The exchange of respiratory gases occurs between the
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environment and the blood.
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d. Respiration is the exchange of O2 and CO2 during cellular
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metabolism. - CORRECT ANSWERS ✔✔B: Both the respiratory
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and cardiac systems are responsible for supplying O2 to the rest
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of the body.
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2. While doing a respiratory assessment on a pt. during clinical, a
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student nurse notices that the pt. elevates his clavicles upon
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inspiration. The student nurse knows that raised clavicles could
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indicate which of the following? SATA.
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a. Increased lung expansion
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b. Ventilatory fatigue
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c. Air hunger
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d. Decrease in work of breathing - CORRECT ANSWERS ✔✔B & C:
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Elevation of the clavicles upon inspiration can indicate
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ventilatory fatigue, air hunger, or decreased lunch expansion.
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,3. A student nurse's pt is immobile. She knows that her pt is
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mainly at risk for which respiratory event?
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a. Increased work of breathing
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b. Decreased surfactant
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c. Decreased compliance
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d. Atelectasis
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e. Increased airway resistance - CORRECT ANSWERS ✔✔D:
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Atelectasis (collapse of the alveoli the prevents normal exchange
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of gases) is a major concern for immobile pts. The pt's work of
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breathing (effort required to expand & contract the lungs) may
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be increased, compliance (ability of the lungs to expand in
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response to increase alveolar pressure) may be decreased, and
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airway resistance (increase in pressure that occurs as the
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diameter of airway decreases from nose/mouth to the alveoli)
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may be increased, but the main concern would be atelectasis.
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Surfactant is the chemical produced in the lungs to maintain the
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surface tension of the alveoli & keep them from collapsing;
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surfactant dysfunction typically occurs in newborns & children.
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4. Which of the following terms is matched correctly with its
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definition? SATA.
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a. Ventilation: exchange of respiratory gases in the alveoli &
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capillaries
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b. Perfusion: ability of the CVS to pump oxygenated blood to the
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tissues & deoxygenated blood back to the lungs
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c. Inspiration: passive process; stimulated by chemical receptors
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in the aorta
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, d. Expiration: passive process; depends on elastic recoil of lungs
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& requires little to no muscle work - CORRECT ANSWERS ✔✔B &
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D: Ventilation is the process of moving gases into and out of the
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lungs. Diffusion is the exchange of respiratory gases in the
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alveoli & capillaries (bc of concentration gradient). Inspiration is
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an active process, stimulated by chemical receptors in the aorta.
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5. What are the three steps in oxygenation?
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a. Inspiration, expiration, & ventilation
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b. Ventilation, perfusion, & diffusion
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c. Compliance, airway resistance, & surfactant
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d. Ventilation, diffusion & expiration - CORRECT ANSWERS ✔✔B:
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Ventilation, perfusion, & diffusion are the three steps in
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oxygenation.
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6. Your pt is immobile and at risk for atelectasis. Which nursing
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interventions should you implement in order to prevent alveolar
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collapse? SATA.
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a. Teach pt how to use an incentive spirometer 5-10 time every
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hour
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b. Turn pt every three hours
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c. Ambulate pts as soon as possible
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d. Give the pt a nebulizer treatment PRN - CORRECT ANSWERS
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✔✔A & C: Pts should be turned every two hours. Nebulizer
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treatments must be ordered by the HCP and are typically given
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by the respiratory therapist, not the nurse.
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7. Which factors affect respiratory gas exchange? SATA.
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