Module 6f: Perception and Coordination in Nervous System

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Which part of the neuron is responsible for receiving electrochemical changes?

Nuclei

Dendrites (correct)

Axon

Ganglia

What is the main function of the Central Nervous System?

Motor sensory activities

Autonomic activities

Cognitive activities

Regulation of the body's activities (correct)

What speeds up the conduction of electrical impulses in some axons?

Synaptic vesicles

Myelinated sheets (correct)

Nuclei

Ganglia

What is the function of neurotransmitters in the nervous system?

Communicate messages from one neuron to another Signup and view all the answers

Where are nerve cell bodies occurring in clusters called?

Ganglia Signup and view all the answers

What is the role of the Peripheral Nervous System?

Control of motor sensory activities Signup and view all the answers

Which lobe is responsible for visual interpretation and memory?

Occipital lobe Signup and view all the answers

What is the function of the Thalamus?

Relay station for all sensation except sense of smell Signup and view all the answers

Which structure is responsible for appetite control and emotional responses?

Hypothalamus Signup and view all the answers

Where is the Basal Ganglia located?

Deep in the cerebral hemisphere Signup and view all the answers

What is the function of the Brainstem?

Regulates respiration Signup and view all the answers

Which part of the brain connects the two hemispheres and is responsible for transmitting information?

Corpus Callosum Signup and view all the answers

What type of circulation supplies blood to the brain from the subclavian arteries?

Posterior circulation Signup and view all the answers

Which membrane that protects the brain and spinal cord resembles a spider web?

Arachnoid Signup and view all the answers

Which part of the brain's surface does the pia mater closely hug?

Gray matter Signup and view all the answers

What are unique fingerlike projections that absorb cerebrospinal fluid (CSF) to the venous system?

Arachnoid villi Signup and view all the answers

Where is the anterior horn located within the spinal cord?

Gray matter Signup and view all the answers

What is responsible for preventing backflow in cerebral veins?

Valves Signup and view all the answers

Which part of the brain contains the thalamus, hypothalamus, and basal ganglia?

Cerebellum Signup and view all the answers

What is the function of the gray matter in the brain?

Contains billions of neuron cell bodies Signup and view all the answers

What is the main function of the temporal lobe?

Plays a role in memory of sound Signup and view all the answers

Which part of the brain is responsible for high-level activity despite its small appearance?

Gangli Signup and view all the answers

What is the function of the white matter in the brain?

Forms tracks connecting different parts of the brain Signup and view all the answers

What divides the cerebrum into two hemispheres?

Corpus callosum Signup and view all the answers

What is the function of the lateral horns in the spinal cord?

Contain cells that give rise to autonomic fibers of the sympathetic division Signup and view all the answers

What happens when there is a blockage of cerebrospinal fluid (CSF) in the ventricular system?

Development of obstructive hydrocephalus Signup and view all the answers

Which part of the brain produces around 500 ml of cerebrospinal fluid (CSF) per day?

Choroid plexus Signup and view all the answers

How much of the cardiac output does the brain receive for oxygen supply?

15% Signup and view all the answers

Which spinal tract is involved in autonomic functions such as sweating and pupil dilation?

Vestibulo spinal tract Signup and view all the answers

What type of impulses does the corticobulbar tract conduct responsible for?

Head and facial muscle movements Signup and view all the answers