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23 Feb 2018

1. a. What is the stimulus for eliciting the corneal reflex?

b.. What is the response?

c. what is the effector mediating the response?

d. Which cranial nerve innervates the effector? name, roman numeral and specific divison of the nerve

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Nestor Rutherford
Nestor RutherfordLv2
24 Feb 2018
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Related questions

QUESTION 1

A somatic reflex is an involuntary response involving skeletal muscle that you may be aware of, and a visceral reflex is an involuntary response involving the autonomic nervous system (sympathetic/parasympathetic) that you are not generally not aware of.

True

False

1 points

QUESTION 2

List the components of a reflex arc in the proper order?

receptor, efferent fiber, integration center, afferent fiber and effector
receptor, efferent fiber, afferent fiber, integration center, effector
effector, efferent fiber, integration center, afferent fiber, receptor
receptor, afferent fiber, integration center, efferent fiber, effector

1 points

QUESTION 3

What receptors located in the retina of the eye respond to light rays?

mechanoreceptors
chemoreceptors
osmoreceptors
none of the above

1 points

QUESTION 4

In the reflex arc, what is the function of the afferent fiber?

to carry the signal from the integration center out to the effector, so the effector can respond appropriately
to carry the signal from the receptor to the integration center for processing
it detects change
none of the above

1 points

QUESTION 5

If the musculocutaneous nerve innervating the biceps brachii is a mixed nerve, what does that mean?

it carries both sympathetic and parasympathetic fibers
it carries signals to both the brain and spinal cord
it carries both afferent and efferent signals
none of the above

Myogram: You were able to administer a small electrical shock to a nerve to stimulate a muscle response. Recall the pathway the signal took from initial electrical stimulus to the medial nerve through the muscles of the thumb. What do you suppose would happen if you were to do this experiment directly to the root of the vagus nerve? Oculomotor nerve? C4 nerve (which supplies the diaphragm)?

Pathway of a reflex: straight to motor neuron and muscle contracts.

Heart rate change in response to stimulation of the diving response.

Q1.a Why do human have a diving reflex?

b.In addition to bradycardia (low heart rate) and peripheral vasoconstriction, the human diving response also affects which division of the autonomic nervous system?

c Is the stimulation of this division increased or decreased?

d.Which cranial nerve is stimulated to initiate the diving response?

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