Which type of muscle fibres undergo hypertrophy ONLY?_____
#2
What type of muscle fibres do not have striations, troponin or T tubules?_____
#3
The Ca2+-calmodulin complex upregulates _____, which phosphorylates myosin and contracts smooth muscle.
#4
In muscle contraction, after the muscle cell is depolarized, the action potential travels down the _____ and to the dihydropyridine receptor
#5
Intracellular and extracellular _____ concentrations are the major determinants of the RMP.
#6
Sympathetic stimulation (norepinephrine) of a smooth muscle produces _____ potentials and relaxation.
#7
Changes in muscle strength at the onset of muscle contraction due to repeated stimulus known as _____ effect
#8
Chemical Events during Muscle Contraction: No answer _____
#9
Slow twitch muscle fibers are _____ due to increased myoglobin concentration
Hint: (color)
#10
_____ is absent in smooth muscle but present in skeletal muscle
Hint: Micro-component
Cardiac Muscle Properties Indian Medical PG Flashcards - Medical Study Cards
Master Cardiac Muscle Properties 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.
Flashcard 1: Which type of muscle fibres undergo hypertrophy ONLY?_____
Answer: Skeletal, Cardiac
Flashcard 2: What type of muscle fibres do not have striations, troponin or T tubules?_____
Answer: Smooth muscle
Flashcard 3: The Ca2+-calmodulin complex upregulates _____, which phosphorylates myosin and contracts smooth muscle.
Answer: myosin-light-chain kinase
Flashcard 4: In muscle contraction, after the muscle cell is depolarized, the action potential travels down the _____ and to the dihydropyridine receptor
Answer: T-tubule
Flashcard 5: Intracellular and extracellular _____ concentrations are the major determinants of the RMP.
Answer: potassium (K+)
Flashcard 6: Sympathetic stimulation (norepinephrine) of a smooth muscle produces _____ potentials and relaxation.
Answer: inhibitory (excitatory/inhibitory)
Flashcard 7: Changes in muscle strength at the onset of muscle contraction due to repeated stimulus known as _____ effect
Answer: staircase
Flashcard 8: Chemical Events during Muscle Contraction: No answer _____
Answer: :)
Flashcard 9: Slow twitch muscle fibers are _____ due to increased myoglobin concentration
Answer: red
Flashcard 10: _____ is absent in smooth muscle but present in skeletal muscle
