Health Science

Rhythmic movements, such as breathing or walking, are controlled by networks of neurons in the ...

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________ motor neurons are associated with intrafusal muscle fibers.

Started by PhilipSeeMore

The structure whose abnormal function is associated with Parkinson's disease is the

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Most reflex movements are integrated by

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It is the middle of winter and you walk over an icy patch and lose your balance. As you begin to ...

Started by jenna1

Which reflex is NOT controlled by the brain stem?

Started by luminitza

You and your lab partner use a living nerve and muscle preparation to study muscle contraction. When ...

Started by JMatthes

Myasthenia gravis is a disease characterized by reduction in the number of acetylcholine receptors ...

Started by CBme

Describe the process of relaxation of a skeletal muscle fiber.

Started by dejastew

Outline and explain the cellular event that affects the force generated by smooth muscle cells. What ...

Started by torybrooks

Compare and contrast the structural and functional differences between single-unit and multi-unit ...

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The factor(s) that determine the duration of a twitch in various types of fibers is the speed of the

Started by gbarreiro

Put these events in the correct chronological sequence:1. End-plate potentials trigger action ...

Started by ETearle

Store-operated calcium channels open in response to ________.

Started by SGallaher96

Smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin ...

Started by viki

As a muscle cell undergoes an eccentric contraction, sarcomere length will ________ as the length of ...

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Compared to skeletal muscle, contraction of smooth muscle cells is

Started by mcmcdaniel

The nervous system avoids muscle fatigue during submaximal contraction by

Started by nramada

Which statement about motor units and their activation is FALSE?

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The speed with which force is developed by skeletal muscles is determined by the

Started by Themember4

The cause of skeletal muscle fatigue during extended submaximal exercise is primarily a(n)

Started by Sufayan.ah

The brief period of time between the action potential in the muscle and the beginning of contraction ...

Started by geodog55

The contraction cycle is initiated by the rise in ________ released from the sarcoplasmic reticulum (SR).

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The action potential traveling along the t-tubule changes the conformation of the

Started by Sportsfan2111

The hydrolysis of ATP causes myosin to immediately

Started by stephzh