Regulation of blood pressure US Medical PG Flashcards - Medical Study Cards
Master Regulation of blood pressure with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Regulation of blood pressure Flashcard Deck - 10 Cards
Flashcard 1: How does plasma protein concentration change with isotonic NaCl infusion? _____
Answer: Decreased
Flashcard 2: In response to increased Na+ intake (and ECF volume), there is _____ sympathetic activity
Answer: decreased
Flashcard 3: The adrenal medulla is the main physiologic source of _____
Answer: catecholamines (epinephrine, norepinephrine)
Flashcard 4: Which cranial nerve monitors the aortic body and arch chemo- and baroreceptors? _____
Answer: Vagus nerve (CN X)
Flashcard 5: The _____ nervous system is usually inhibitory on functions of the GI tract
Answer: sympathetic
Flashcard 6: Norepinephrine causes reflex _____ (HR)
Answer: bradycardia
Flashcard 7: What is the difference between the binding sites of atrial natriuretic peptide (ANP) and nitric oxide (NO) to guanylyl cyclase receptors? _____
Answer: - ANP binds to a receptor guanylyl cyclase - NO binds to a cytoplasmic guanylyl cyclase
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
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