1. Which muscle naming criteria are used to name the quadriceps femoris? A. Muscle action and…
1. Which muscle naming criteria are used
to name the quadriceps femoris?
A. Muscle action and location
B. The origin and insertion
C. Location and direction of muscle
fibres
D. Location and number of origins
2. By what name is the plasma membrane
of a muscle cell known?
A. Sarcoplasm
B. Sarcomere
C. Sarcoplasmic reticulum
D. Sarcolemma
3. Of the events that lead to
myofilaments sliding over each other, which of the following happens first?
A. The myosin head engages with the
binding site on actin.
B. Troponin changes shape and pulls on
1. Which muscle naming criteria are used
to name the quadriceps femoris?
A. Muscle action and location
B. The origin and insertion
C. Location and direction of muscle
fibres
D. Location and number of origins
2. By what name is the plasma membrane
of a muscle cell known?
A. Sarcoplasm
B. Sarcomere
C. Sarcoplasmic reticulum
D. Sarcolemma
3. Of the events that lead to
myofilaments sliding over each other, which of the following happens first?
A. The myosin head engages with the
binding site on actin.
B. Troponin changes shape and pulls on
tropomyosin.
C. Calcium ions enter the cell
cytoplasm.
D. ATP is hydrolysed to ADP and
inorganic phosphate
4. Smooth muscle is different from
skeletal muscle because smooth muscle:
A. Is found in the walls of arteries
B. Can be voluntarily contracted
C. Has many nuclei in a cell
D. Has intercalated discs between cells
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