The model that describes the contraction of the muscle is called the

A. contraction cycle.
B. sliding filament model.
C. power stroke.
D. slipping fibril mechanism.
E. paddle model.


Answer: B

Anatomy & Physiology

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Fast fibers produce...

A. Fast contractions B. Slow contractions C. Powerful contractions D. Weak contractions

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What part of the reflex arc transmits the message to the effector?

A) Receptor B) Motor neuron C) Sensory neuron D) Integration center E) Effector

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To compensate for metabolic acidosis, the respiratory system increases breathing rate, which lowers the partial pressure of carbon dioxide below normal levels.

Answer the following statement true (T) or false (F)

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Which muscle everts and plantar flexes the foot?

A. Soleus B. Extensor hallicus longus C. Extensor digitorum longus D. Tibialis anterior E. Fibularis brevis

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