Cardiac Muscle Properties — Flashcards

Which type of muscle fibres undergo hypertrophy ONLY?_____

What type of muscle fibres do not have striations, troponin or T tubules?_____

The Ca2+-calmodulin complex upregulates _____, which phosphorylates myosin and contracts smooth muscle.

In muscle contraction, after the muscle cell is depolarized, the action potential travels down the _____ and to the dihydropyridine receptor

Intracellular and extracellular _____ concentrations are the major determinants of the RMP.

Sympathetic stimulation (norepinephrine) of a smooth muscle produces _____ potentials and relaxation.

Changes in muscle strength at the onset of muscle contraction due to repeated stimulus known as _____ effect

Chemical Events during Muscle Contraction: No answer _____

Slow twitch muscle fibers are _____ due to increased myoglobin concentration

Hint: (color)

_____ is absent in smooth muscle but present in skeletal muscle

Hint: Micro-component