Cardiac output determinants US Medical PG Flashcards - Medical Study Cards
Master Cardiac output determinants 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.
Cardiac output determinants Flashcard Deck - 10 Cards
Flashcard 1: Decreases in contractility (e.g. heart failure) cause the Starling curve to shift _____
Answer: downward
Flashcard 2: Hypoxia may be caused by a _____ cardiac output
Answer: decreased
Flashcard 3: Thyroid hormone stimulates upregulation of _____ receptors in the heart
Answer: B1
Flashcard 4: Due to the high degree of oxygen extraction by the myocardium, increases in myocardial oxygen demand can only be met by an increase in _____
Answer: coronary blood flow
Flashcard 5: _____ is defined as the fraction of the end-diastolic volume that is ejected in each stroke volume
Answer: Ejection fraction
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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