Starling's law of the heart US Medical PG Flashcards - Medical Study Cards
Master Starling's law of the heart 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.
Starling's law of the heart Flashcard Deck - 10 Cards
Flashcard 1: Decreases in contractility (e.g. heart failure) cause the Starling curve to shift _____
Answer: downward
Flashcard 2: The magnitude of the tension that develops during myocardial excitation-contraction coupling is proportional to levels of intracellular _____
Answer: Ca2+
Flashcard 3: The rate at which blood is pumped from either ventricle is called the _____
Answer: cardiac output
Flashcard 4: _____ is defined as the fraction of the end-diastolic volume that is ejected in each stroke volume
Answer: Ejection fraction
Flashcard 5: The velocity of shortening of cardiac muscle _____ as afterload increases
Answer: decreases
Flashcard 6: 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 7: Which basal ganglia pathway inhibits movement?
Answer: indirect
mnemonic: indirect inhibits
Flashcard 8: 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 9: What is the function of myelin?
Answer: increases neuronal conduction velocity
Flashcard 10: Give the stages of mitosis.
Answer: prophase, metaphase, anaphase, telophase
mnemonic: PMAT
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