Exam 6: Muscle Physiology

Indicate which type of muscle is associated with the property in question by using the answer code (options may be used more than once or not at all). -innervated by the autonomic nervous system

Twitch summation is similar to the ____________________ summation of EPSPs.

Fatigue is the failure of a muscle fibre to maintain what as a result of previous contractile activity?

____________________ proteins are calcium release channels in the muscle cell.

MATCHING Indicate which of the muscle proteins in skeletal muscle is associated with the item in question by using the following code (options may be used more than once or not at all). -can bind with myosin during muscle contraction

Increasing the number of recruited motor units in a muscle increases its force or strength of contraction.

Match the sarcomere component with the correct characteristic by using the answer code (options may be used more than once or not at all). -joins adjacent sarcomeres together

Match the muscle type with the correct characteristics by using the answer code. ____ cardiac muscle ____ multiunit smooth muscle ____ single unit smooth muscle ____ skeletal muscle a. voluntary, neurogenic, and striated b. voluntary, neurogenic, and nonstriated c. involuntary, myogenic, and striated d. involuntary, neurogenic and nonstriated e. involuntary, myogenic, and nonstriated

How are Sarcomeres arranged end to end?

Which statement concerning cross bridges is INCORRECT?

What is involved in developing muscle fibres tension?

Foot proteins link the actin molecules together within a thin filament.

Which statement is correct for twitch summation?

With eccentric muscle contractions which statement is true?

MATCHING Indicate which of the muscle proteins in skeletal muscle is associated with the item in question by using the following code (options may be used more than once or not at all). -found in thick filament

Binding of which substance to myosin permits cross bridge of which action between actin and myosin?

Thin and thick filaments overlap in the A band.

The source of calcium in smooth muscle is the ____________________.

Indicate which of the characteristics in question applies to each of the muscle fibre types by using the answer code (options may be used more than once or not at all). -the most powerful fibre

All smooth muscle is myogenic.