Respiratory centers in the brainstem — Flashcards

Flashcard 1: In response to high altitude, there is a chronic _____ in ventilation

Answer: increase

Flashcard 2: _____ ventilation is the volume of gas per unit time that reaches the alveoli (accounts for physiologic dead space)

Answer: Alveolar

Flashcard 3: The dorsal respiratory group receives sensory input from lung stretch receptors via the _____ nerve

Answer: vagus (CN X)

Flashcard 4: How does hyperventilation affect ICP?

Answer: low PCO2 leads to less cerebral blood flow, reducing ICP

Flashcard 5: In what situations is hyperventilation therapuetic?

Answer: increased ICP

Flashcard 6: What type of cytoskeletal element is most associated with flagella?

Answer: microtubules

Flashcard 7: What type of cytoskeletal element is most associated with cilia?

Answer: microtubules

Flashcard 8: Explain the substructure of cilia.

Answer: 9 microtubule doublets + 2 solitary microtubules (9+2 arrangement) with dynein arms that link peripheral doublets

Flashcard 9: The + end of a microtubule usually points toward?

Answer: exterior of cell

Flashcard 10: The smooth muscle of the conducting airways of the lung _____ in response to parasympathetic activation of muscarinic receptors

Answer: constrict

Extra:  Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/obstructive-lung-disease?index=6] https://onlinemeded.org/spa/pulmonology?ref=anki