Integrated cardiovascular responses — Flashcards

Flashcard 1: In response to increased Na+ intake (and ECF volume), there is _____ sympathetic activity

Answer: decreased

Flashcard 2: Heart failure, hypotension, and shock may be caused by _____calcemia

Answer: hypo

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Flashcard 3: Which cranial nerve monitors the aortic body and arch chemo- and baroreceptors? _____

Answer: Vagus nerve (CN X)

Flashcard 4: What effect does carotid massage have on AV node refractory period?_____

Answer: Prolongation

Flashcard 5: What change in heart rate is expected during the valsalva maneuver if the patient's baroreceptor reflex is intact?_____

Answer: Increased HR

Flashcard 6: How does decreased efferent parasympathetic firing (e.g. baroreceptor reflex) affect heart rate?_____

Answer: Increased HR

Flashcard 7: The effects of the autonomic nervous system on heart rate are called _____ effects

Answer: chronotropic

Flashcard 8: Increased body temperature causes _____ sympathetic nervous system activity to the skin

Answer: decreased

Flashcard 9: What is the clinical significance of watershed zones in cerebral circulation?

Answer: areas at the border of two artery distributions are prone to hypoxia and infarction during severe hypotension

Flashcard 10: Which basal ganglia pathway inhibits movement?

Answer: indirect mnemonic: indirect inhibits