Respiratory Exam, Critical Care ACTUAL QUESTIONS AND CORRECT ANSWERS

Respiratory Exam, Critical Care ACTUAL
QUESTIONS AND CORRECT ANSWERS
Involuntary control of resp rate, resp depth, & heart rate & BP - Correct answers✔✔Medulla
Oblongata



Allows communication between the two hemispheres of the brain - Correct answers✔✔Pons



Allows voluntary mechanism to control respiration (ex- yoga and meditation) - Correct
answers✔✔Motor Cortex



Signals resp. muscles to breathe - Correct answers✔✔Stretch receptors



Detect decreases CO2 & O2 (sends message to medulla) - Correct answers✔✔Chemoreceptors



Breathing in increases -- pressure - Correct answers✔✔Positive



Breathing out increases -- pressure - Correct answers✔✔Negative



The amount of air reaching the alveoli is known as - Correct answers✔✔Ventilation



Exchange of a gas across a membrane - Correct answers✔✔Diffusion



The amount of blood reaching the alveoli is known as - Correct answers✔✔Perfusion

, What is the ratio of ventilation/perfusion? - Correct answers✔✔1:1



If the upper airway is obstructed, what sound will you hear? - Correct answers✔✔Stridor



Upper airway obstructions are usually the result of -- - Correct answers✔✔Foreign body
obstruction



If the lower airway is obstructed, what sound will you hear? - Correct answers✔✔Wheezes

Crackles

Pleural rub

Absent breath sounds



Normal hemoglobin - Correct answers✔✔12-18



Normal hematocrit - Correct answers✔✔45



Normal PAO2 - Correct answers✔✔80-100



Normal CO2 - Correct answers✔✔35-45



Normal HCO3 (bicarb) - Correct answers✔✔22-28



BNP results - Correct answers✔✔▪ 100 or less is normal

▪ 100-300 mild