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78 Cards in this Set
- Front
- Back
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True Or False Section
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answer T or F
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The spinal cord and spinal nerves mediate reactions to the environmental changes
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True
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Spinal nerves contain both afferent and efferent fibers
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True
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The dorsal ramus provides sensory and motor innervation's for the skin and muscles of the back
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true
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An injury that severs the spinal cod causes loss of sensation and motor control below that injury
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true
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The patellar reflex is an example of a stretch reflex
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true
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The receptor for the stretch reflex is a muscle spindle
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true
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It is abnormal for the plantar flexion reflex to produce the Babinski sign
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true
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A dermatome is the specific region of the skin surface monitored by a single pair of spinal nerves
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true
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Cerebrospinal fluid is produced by the blood-brain barrier
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false
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Blood is removed from the dural sinuses around the brain by the internal jugular veins.
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True
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The thalamus contains the mamilary bodies and infundibulum
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false
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The pons contains the substantia nigra.
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false
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The reticular activating system depresses the function of the cerebral cortex
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false
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Multiple choice questions
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pick one
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How far does the spinal cord extend down the vertebral column
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L2
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How many pairs of thoracic spinal nerves are there?
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12
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How many pairs of coccygeal spinal nerves are there
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1
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In the spinal cord, which of the following sections is involved with incoming sensory information
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Dorsal root
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Which of the following makes up the outer layer surrounding the spinal cord
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Dura Matter
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Which of the following sections of the spinal cord deal with somatic motor control?
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Posterior gray horns
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Which of the following layers of connective tissue wraps around and groups axons and bundles them in fascicles?
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Perineurium
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Which of the following is not true about reflexes
A. The same stimulus produces the same response every time B. They are negative feedback from loops C. They help maintain homeostasis D. All are true |
D. All are true
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Which of the following types of reflexes control skeletal muscle?
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somatic
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Which of the following is not an example of a polysnaptic reflex
A. Withdrawal reflex B. Crossed extensor reflex C. flexor reflex D. All are examples |
D. All are examples
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Which of the following is not true about the brain?
A. Contains almost 98% of the body's neural tissue B. Weighs about 5 pounds C. Comprised of about 100 billion neurons and 1000 billion neuroglial cells D. All are true |
Weighs about 5 pounds
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The brain contributes to homeostasis by all of the following ways except:
A. Receiving sensory input B. Integrating new and stored information C. Causing motor activity D. All contribute |
D. All contribute
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Which of the following is not true about the blood brain barrier?
A. Lipid soluble molecules can diffuse across B. Isolates the neural tissue from general circulation C. The epithelial cells that line the capillaries are "more Leaky" than normal D. All are true |
C. The epithelial cells that line the capillaries are more leaky than normal
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The primary auditory areas is found in which of the following lobes?
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Temporal
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The primary visual area is found in which of the following lobes?
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Occipital
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Wernicke's area is found in which hemisphere?
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Left
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The brain and spinal cord are part of which of the following nervous system divisons?
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CNS
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Which of the following refers to the time period that lasts from the time the action begins until the normal resting potential occurs?
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Refractory period
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Which of the following substances is not used a a neurotransmitter?
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Melatonin
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There are how many pairs of spinal nerves?
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31
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What contains the mesencephalon, pons, and medulla oblongata?
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Brainstem
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Which of the following is not a part of the reflex arc?
A. Sensory neuron B. Motor Neuron C. Interneuron D. All are apart |
D. all are apart
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A number of nerve disorders can result from injury to the brachial plexus. Which of the following is not one of these disorders?
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Winged humerus
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In the spinal cord, the what tracts relay informaton from the brain to the spinal cord?
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Descending
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What reflexes from result from connections that form between neurons durin development. they are genetically or developmentally programmed.
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Innate
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Which of the following is not a function of the cerebrospinal fluid?
A. Cushions neural tissue B. Transports important substances c. Used as a diagnostic tool D. all are functions |
D. all are functions
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Which of the following layers of meninges is the outermost layer?
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Dura matter
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The term general sense refers to sensitivity to all of the following except :
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Taste
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Neurons that carry sensation to the cranial nervous system are
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Afferent
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Which type of receptor is always active?
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Tonic
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Which of the following sensations is Not a fast adapter?
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pain
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which of the following types of mechanoreceptors can detect changes in the walls of blood vessels?
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baroreceptors
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Which of the following pathways carries information about position of skeletal muscles, tendons, and joints.
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Spinocerebellar pathways
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Which of the following types of neurons must be used if a sensation is to reach our awarness?
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Third order
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Which type of axon transmits fast pain
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Type A
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Transduction does which of the following?
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convert energy into an impulse
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Nociceptors are found in all of the following locations except
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The brain
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Matching
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pick one
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What supplies the abdominal wall, external genitals and anterior/medial thigh
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Lumbar plexus
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What supplies parts of the head, neck, and shoulders
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Cervical plexus
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what supplies buttocks, perineum, and parts of the lower limb
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Sacral plexus
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What supplies the upper extremities and a number of neck and shoulder muscles?
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Brachial Plexus
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What is the second largest part of the brain
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Cerebellum
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What contains the cardiovascular vital center and respiratory vital center
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Medulla oblongata
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What regulates the auditory and visual reflexes
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Mesencephalon
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What is the largest part of the brain
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Cerebrum
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What contols posture, balance, and muscle coordination
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Cerebellum
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What contains the superior colliculi for visual sensation and the inferior colliculi for aduditory
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Mesencephalon
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What is a seat of intelligence
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Cerebrum
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Contains the sensory and motor nuclei for four cranial nerves
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pons
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origin of reticular formaton
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medulla oblongata
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what is the largest cranial nerve
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Trigeminal (v) nerve
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What carries information responsible for the sense of smell?
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Olfactory (I) nerve
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Nerve of vision
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Optic (II) nerve
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Nerve that causes abduction of the eyeball (lateral rotation)
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Abducens (VI) nerve
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Carries impulses for hearing and equilibrium
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Vestibulocochlear nerve
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Vital to the autonomic control of visceral function
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Vagus nerve
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Conducts nerve impulses for speech and swallowing
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Hypoglossal Nerve
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Motor function causes release of saliva
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Accessory Nerve
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Substance secreted by the pineal gland that regulates day/night cycles and reproductive function
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Melatonin
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Controls emotional aspects and motivation
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Limbic system
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folds in the cerebrum
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Gyri
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Considered the brains safety mechanism
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circle of willis
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