Energy systems during exercise US Medical PG Flashcards - Medical Study Cards
Master Energy systems during exercise 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.
Energy systems during exercise Flashcard Deck - 10 Cards
Flashcard 1: After myosin binds a new ATP molecule in muscle contraction, hydrolysis of the new ATP molecule to ADP allows the myosin head to adopt a _____ position, ready for a new contraction cycle.
Answer: high-energy, "cocked"
Flashcard 2: For each ATP consumed, the sodium-potassium pump transfers _____ out of the cell (pump phosphorylated)
Answer: 3 Na+
Flashcard 3: What type of transport mechanism is Na+/glucose cotransport? _____
Answer: Secondary active transport
Flashcard 4: For each ATP consumed, the sodium-potassium pump transfers _____ into the cell (pump dephosphorylated)
Answer: 2 K+
Flashcard 5: What kind of nerves carry inputs to the cerebellum?
Answer: climbing and mossy fibers
Flashcard 6: coordination of extremities
Answer: lateral cerebellum
Flashcard 7: Aδ type free nerve ending
Answer: myelinated, fast conduction
Extra: skin, viscera pain, temperature
Flashcard 8: Merkel's disc
Answer: large, myelinated, slow adaptation
Extra: hair follicles pressure, deep static touch, position
mnemonic: Merkel's Manly Massage
Flashcard 9: myoclonus
Answer: sudden, brief, uncontrolled muscle contraction; jerks and hiccups
Flashcard 10: Outline the indirect pathway of the basal ganglia.
Answer: motor cortex - putmen - GPe - STN - GPi - thalamus - motor cortex - motor nerves
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