NR302 EXAM 3 STUDY QUESTIONS WITH
VERIFIED SOLUTIONS (2025 GRADED A+)
4 fxns -Correct Answers ✔-supplying oxygen, removing C02, maintaining
homeostasis, maintaining heat exchan
control of respirations -Correct Answers ✔--Brainstem
-Normal stimulus to breathe
-Decrease in O2 in blood
-Inspiration
-Expiration
brain stem -Correct Answers ✔-pons and medulla
normal stim to breathe -Correct Answers ✔-hypercapnia
decrease in O2 in blood -Correct Answers ✔-hypoxemia
inspiration -Correct Answers ✔-active process
expiration -Correct Answers ✔-passive process
lower resp tract -Correct Answers ✔-bronchi, plueral membranes, muscles of
respirations
NR302
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bronchi -Correct Answers ✔-right main bronchus is shorter, wider, more verticle,
aspirated objects.
pleural membranes -Correct Answers ✔-patietal lines diaphragm and thoracic wall,
visceral lines outer surface of lung, pleural fluid, acts as lubrication.
muscles of reps -Correct Answers ✔-intercostal muscles, diaphragm. Accessory
muscles (neck, abdomen, chest).
eupnea -Correct Answers ✔-reg, even, rhythmic pattern of breathing
dyspnea -Correct Answers ✔-change in this pattern producing shortness of breath
or difficulty breathing
anterior landmarks -Correct Answers ✔-sternum and clavicle
sternum (Angle of Louis, sternal angle, 2ICS), -Correct Answers ✔-angle or louis,
sternal angle, 2ICS
clavicle -Correct Answers ✔-uprasternal notch or jugular notch, U-shaped
depression just above the sternum
costal angle norm -Correct Answers ✔-90 degrees or less
NR302