Exercise cardiovascular physiology US Medical PG Flashcards - Medical Study Cards
Master Exercise cardiovascular physiology 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.
Exercise cardiovascular physiology Flashcard Deck - 10 Cards
Flashcard 1: Hypoxia may be caused by a _____ cardiac output
Answer: decreased
Flashcard 2: Pulsus alternans refers to the beat-to-beat variation in pulse amplitude due to a change in _____ blood pressure
Answer: systolic
Flashcard 3: Hypertrophic cardiomyopathy leads to _____ cardiac output due to decreased compliance of the left ventricle
Answer: decreased
Flashcard 4: The left ventricle compensates for increased afterload by _____ in order to decrease wall tension
Answer: thickening (hypertrophy)
Flashcard 5: Type _____ muscle fibers are increased in proportion after endurance training
Answer: I
Flashcard 6: What is the major factor determing autoregulation of blood flow to the brain?_____
Answer: Local metabolites
Flashcard 7: 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 8: Which basal ganglia pathway inhibits movement?
Answer: indirect
mnemonic: indirect inhibits
Flashcard 9: What is the phrase used to describe action potential conduction in myelinated nerves?
Answer: saltatory conduction i.e. AP basically jumps from node to node
Flashcard 10: What is the function of myelin?
Answer: increases neuronal conduction velocity
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