Nervous system (additional) Flashcards
The central nervous system consists of the
Spinal cord and peripheral nerves
Brain and spinal cord
Somatic and autonomic nervous system
Brain and spinal cord
The proportion of neuroglia to active neurone in the nervous system is approximately
10% neuroglia and 90% neurone
90% neuroglia and 10% neurone
50% neuroglia and 50% neurone
30% neuroglia and 70% neurone
90% neuroglia and 10% neurone
The ,longest part of the neurone is the
Dendrites
Schwann cells
Axon
Neurofibrils
Axon
Motor neurones are also known as
Afferent neurones
Efferent neurones
Interneurones
Neuroglia
Efferent neurones
The insulating layer of lipid that surrounds axons is known as
Myoglobin
Microfils
Myelin
Sebum
Myelin
The outer surface of the brain consists of
White matter
Neuroglia
Ganglia
Grey matter
Grey matter
The action potentiall (electrical signal) is due to exchange of which ions across the neurone membrane?
Mg2+ and Ca2+
Na+ and K+
Na+ and Mg2+
Mg2+ and k+
Na+ and K+
The gap between the end of one neurone and the next cell is known as the
Neurotransmitter
Motor end plate
Synaptic cleft
Ganglion
Synaptic cleft
Chemical substances released by neurone axon terminals are known as
Hormones
Enzymes
Receptors
Neurotransmitters
Neurotransmitters
The neurotransmitter released at the neuromuscular junction (skeletal muscle) is
Dopamine
Serotonin
Noradrenaline
Acetylcholine
Acetylcholine
The neurotransmitter implicated in Parkinsonism and Schizophrenia is
Dopamine
Serotonin
Noradrenaline
Acetylcholine
Dopamine
The membranes covering the brain and spinal cord are known as the
Blood-brain barrier
White matter
Grey matter
Meninges
Meninges
Cerebrospinal fluid flows in the
Ventricles
Subdural space
Spinal cord
Subarachnoid space
Subarachnoid space
The region of the brain involved in the coordination of breathing (ventilation), blood pressure and heart rate is the
Cerebrum
Medulla oblongata
Cerebellum
Diencephalon
Medulla oblongata
The main function(s) of the hypothalamus is regulation of
Movement, speech and problem solving
Sensory input to the cerebral cortex
Body temperature, hydration and circadian rhythm
Breathingn, blood pressure and heart rate
Body temperature, hydration and circadian rhythm
The frontal lobe of the cerebrum is involved in
Perception, meaning and speech
Visual processing
Movement, sensory perception and orientation
Reasoning, planning and problem-solving
Reasoning, planning and problem-solving
The reticular activation system is responsible for regulating
Consciousness
Blood pressure and heart rate
Body temperature and hydration
Gut function
Consciousness
The brain region(s) involved in posture, balance and coordination of movement is the
Thalamus
Brain stem
Cerebellum and basal ganglia
Temporal lobe
Cerebellum and basal ganglia
Cranial nerves emerge from the
Cranium
Spinal cord
Brain and brain stem
White matter
Brain and brain stem
Spinal nerves carry
Only somatic sensory neurones
Only somatic motor neruones
Only autonomic neurones
A mix of somatic sensory, somatic motor and autonomic neurones
A mix of somatic sensory, somatic motor and autonomic neurones
Cranial nerves are referred to by
Western numerals
Western letters
Roman numerals
Chinese symbols
Roman numerals
Abdominal and thoracic organs and blood vessels are controlled by the
Peripheral nervous system
Central nervous system
Autonomic nervous system
Somatic nervous system
Autonomic nervous system
The autonomic nervous system is divided into
Brain and spinal cord
Sympathetic and parasympathetic nervous system
Central and peripheral nervous system
Grey matter and white matter
Sympathetic and parasympathetic nervous system
The sympathetic nervous system is activated during times of
Biological and psychological stress
Rest and relaxation
Thinking and reasoning
Sleep
Biological and psychological stress
The major neurotransmitterof the sympathetic nervous system is
Serotonin
Dopamine
Acetylecholine
Noradrenaline
Noradrenaline
The major neurotransmitter of the parasympathetic nervous system is
Serotonin
Dopamine
Acetylecholine
Noradrenaline
Noradrenaline
Acetylecholine
Which division of autonomic nervous system is nactive when a person has a dry ,mouth and a rapid pulse?
Peripheral nervous system
Central nervous system
Sympathetic nervous system
Parasympathetic nervous system
Sympathetic nervous system
Which division of the autonomic nervous system is active during a meal with friends?
Peripheral nervous system
Central nervous system
Sympathetic nervous system
Parasympathetic nervous system
Parasympathetic nervous system
