Respiratory — Flashcards

Flashcard 101: In what normal scenario may intrapleural pressure be positive (relative to the atmosphere)? _____

Answer: Forced expiration

Flashcard 102: The nucleus tractus solitarius projects neurons to other medullary nuclei to coordinate the _____ response

Answer: vomiting

Extra: Sketchy Pharmacology: GI (Anti-Emetics; "Vomitorium")

Flashcard 103: How does the alveolar pressure change during mid-inspiration (relative to atmosphere)? _____

Answer: More negative relative to atmosphere

Flashcard 104: What is the effect of norepinephrine on REM sleep? _____

Answer: Decreased REM sleep

Flashcard 105: According to the law of Laplace, a large alveolus will have a(n) _____ collapsing pressure

Answer: low

Flashcard 106: What class of helper T cell secretes IL-4, -5, -6, -10, and -13? _____

Answer: Th2

Flashcard 107: Alpha motoneurons innervate _____-fusal muscle fibers

Answer: extra

Flashcard 108: The _____ pressure across the lungs is calculated as alveolar pressure minus intrapleural pressure

Answer: transpulmonary

Flashcard 109: At FRC, airway and alveolar pressures are equal to _____

Answer: 0 (atmospheric pressure)

Flashcard 110: In pneumoconioses, what happens to small particles (1-5 microns in diameter) in the lungs? _____

Answer: Trapped at the bifurcation of respiratory bronchioles

Extra: * and subsequently phagocytosed by macrophages