lab_3_discussion

lab_3_discussion - Lab Exercise 3 Discussion Questions...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Lab Exercise 3 Discussion Questions Human Reflexes 1. Define reflex . A patterned, involuntary response to stimulus. Response is graded. Diagram the components of a reflex arc . Stimulus hits sensory receptor which activates afferent neuron, going to interneurons (integrator), which goes to efferent nervers, and finally to effector to response. Are all reflexes considered unlearned responses? No. Some of them can be learned like guitar playing. Why or why not? 2. Distinguish functionally and anatomically between monosynaptic and multi-synaptic reflexes . 1 direct synapse between afferent and efferent nerve. Multi –synapse has multiple synapses between afferent to efferent. Slower. Into which category does the H- reflex fit? Monosynaptic. Diagram the specific components of the H-reflex. Direct stimulation of tibial nerve to 1A afferents to dorsal root of spinal cord integration to 1a axons to make a monosynaptic connection to alpha motor neuron (efferent) to activated alpha motor neuron causing contraction to muscle. Diagram the monosynaptic reflex that is seen in skeletal muscle. Diagram and explain what occurs in the antagonistic muscle. An "antagonist" is a classification used to describe a
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

lab_3_discussion - Lab Exercise 3 Discussion Questions...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online