Respiratory — Flashcards

Flashcard 121: How does the volume of breath change during inspiration? _____

Answer: Increased

Flashcard 122: The additional volume that can be expired below tidal volume is the _____

Answer: expiratory reserve volume

Flashcard 123: How does the intrapleural pressure change during inspiration (relative to atmosphere)? _____

Answer: More negative relative to atmosphere

Flashcard 124: Central chemoreceptors are especially sensitive to the _____ of the cerebrospinal fluid

Answer: pH

Flashcard 125: Axonemal dynein is a(n) _____ that links peripheral 9 doublets and causes bending of cilium (movement)

Answer: ATPase

Flashcard 126: Central chemoreceptors are stimulated by changes in _____ and _____ of the brain

Answer: pH

Flashcard 127: When lung volume is greater than FRC, there is a net _____ force on the lung-chest wall system

Answer: collapsing

Flashcard 128: Thyroid hormone increases basal metabolic rate (BMR) via increased activity of _____

Answer: Na/K-ATPase

Flashcard 129: What is the typical normal value for tidal volume (mL)? _____

Answer: 500 mL

Flashcard 130: Commands from the _____ can temporarily override the automatic respiratory brain stem centers

Answer: cerebral cortex

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