Coronary blood flow regulation — Flashcards

Flashcard 1: Hypoxia may be caused by a _____ cardiac output

Answer: decreased

Flashcard 2: Activation of 1 adrenergic receptors results in _____ cardiac output

Answer: increased

Flashcard 3: Heart failure, hypotension, and shock may be caused by _____calcemia

Answer: hypo

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Flashcard 4: The rate at which blood is pumped from either ventricle is called the _____

Answer: cardiac output

Flashcard 5: What type of adrenergic receptor do veins have?_____

Answer: 1-adrenergic receptors

Flashcard 6: Which layer of the heart wall is most vulnerable to hypoxia/ischemia? _____

Answer: Subendocardium (LV)

Flashcard 7: The posterior hypothalamus is controlled by the _____ nervous system

Answer: sympathetic

Flashcard 8: What is the major factor determing autoregulation of blood flow to the brain?_____

Answer: Local metabolites

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