Patho-Quiz 3

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Patho Open Quiz 3 1) What happens in the lungs when the diaphragm and external intercostal muscles relax? Air is forced out of the lungs. 2) The respiratory mucosa is continuous through the: 1. upp ... er and lower respiratory tracts. 2. nasal cavities and the sinuses. 3. nasopharynx and oropharynx. 4. middle ear cavity and auditory tube. 3) Which of the following activities does NOT require muscle contractions and energy? Quiet Expiration 4) The maximum volume of air a person can exhale after a maximum inspiration is termed the: vital capacity 5) Which of the following applies to the blood in the pulmonary artery? PO2 is low 6) Which of the following causes bronchodilation? Epinephrine 7) The central chemoreceptors in the medulla are normally most sensitive to: Elevated Carbon Dioxide levels 8) Oxygen diffuses from the alveoli to the blood because: pO2 is lower in the blood 9) Carbon dioxide is primarily transported in the blood: As a bicarbonate ion 10) What would hypercapnia cause? Respiratory acidosis 11) Which of the following would result from hyperventilation? Respiratory alkalosis 12) Which of the following values is always decreased with respiratory alkalosis (compensated or decompensated)? PaCO2 13) What would be the most effective compensation for respiratory acidosis? The kidneys producing more bicarbonate 14) What is the acid-base status of a patient with the following values for arterial blood gases? Decompensated respiratory acidosis serum bicarbonate 36.5 mmol/L (normal range: 22-28) [Show More]

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