Energy systems during exercise — Flashcards

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, viscerapain, temperature

Flashcard 8: Merkel's disc

Answer: large, myelinated, slow adaptation

Extra: hair folliclespressure, 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