24) The space between the axon terminal and the sarcolemma of a muscle fiber is

Question

24) The space between the axon terminal and the sarcolemma of a muscle fiber is called the A) aponeurosis cleft C) nerve gap B) muscle gap D) synaptic cleft 25) A neuron and all the muscle fibers it stimulates is called a__. A) fascicle C) myoneural junction B) motor unit D) synaptic cleft A) fibularis longus C) soleus 6) A superficial muscle of the leg, this one dorsiflexes the foot B) gastrocnemius D) tibialis anterior 27) This muscle allows you to stand on tiptoe when the knee is extended, and it flexes the knee when the foot is dorsiflexed A) gastrocnemius C) fibularis longus B) soleus D) fibularis longus and brevis acting together 28) A muscle located on the anterior surface of the thigh will the knee the knee, whereas a muscle on the posteior surface will_ A) flex, extend C) abduct, adduct B) extend, flex D) adduct, abduct Match the muscle to its action tends femur and rotates it xes thigh and extends leg ints toes and flexes lower leg A. gluteus medius B. sartoris C. rectus abdominis D. deltoicd E. biceps brachi F. gluteus maximus G. sternocleidomastoid H. diaphragm I. rectus femoris J.gastrocnemius K. trapezius L. intercostals M. orbicularis oris N. triceps brachi O. pectoralis major 2 4 Helps with breathing Raises ribs and helps with breathing 6Flexes and rotates thigh and leg Extends the lower arm 8 ducts the upper arm ducts and rotates thigh 10._ Compresses abdomen 11 .-- Flexes upper arm and helps abduct it Compresses and closes lips Flexes and rotates the head 14. Moves the shoulder and extends the head 15. Flexes lower arm

Explanation / Answer

24) Option D is correct. The space between the axon terminal and the sarcolemma of a muscle fiber is called the synaptic cleft.

25) Option B is correct. A neuron and all the muscle fibers it stimulates is called a motor unit.

26) Option D is correct. A superficial muscle of the leg, this one dorsiflexes the foot tibialis anterior.

27) Option B is correct. This muscle allows you to stand on tiptoe when the knee is extended, and it flexes the knee when the foot is dorsiflexed gastrocnemius.

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