Leaving Certificate Biology Nervous System 2 iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a.

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Leaving Certificate Biology Nervous System 2 iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content

Which of the following structures of a reflex arc can be stimulated to start a reflex action? Receptor EffectorSensory neuron Motor neuron

Which of the following structures of a reflex arc transmits impulses toward the central nervous system? Receptor Motor neuronSensory neuron Effector

Which of the following is not a receptor? EarsKidney NoseEyes

The main conducting fibre of a nerve cell is called … A dendriteThe axon A synapseA cell body

Which of the following structures of a reflex arc transmits impulses from the central nervous system? ReceptorEffector Sensory neuronMotor neuron

Sense organs are connected to the spinal cord by … A motor neuronA sensory neuron An effector neuronA Schwann cell

Which of the following structures of a reflex arc is a muscle or a gland? Motor neuronReceptor EffectorSensory neuron

The small gap between neurons is called … PlexusSynapse GanglionMotor end plate

A mass of nerve cells is called … A ganglionA nerve fibre The dura materA neuron

The pathway of a reflex arc involves the following structures: 1 – sense organ; 2 – spinal cord; 3 – motor neuron; 4 – muscle; 5 – sensory neurons. The correct sequence of events is …

Nerve cells or neurons that bring messages to muscles are called … InterneuronsMotor neurons Afferent neuronsSensory neurons

Muscle coordination is controlled by the … Spinal cordCorpus callosum Medulla oblongataCerebellum

The rate of breathing is controlled by the … Cerebrum Medulla oblongata Intercostal muscles Diaphragm

The spinal cord serves as a centre for … Synapses Subconscious thought Reflex actionsAuxins

The control of the size of the pupil in the eye is … A conditioned reflex A reflex action A voluntary action A tropism

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