Drugs for the Nervous and Sensory System Flashcards
- Which of the following make up the nervous system?
Thymus, pituitary, adrenals
Mandible, femur, scapula
Brain, spinal cord, nerves
Ileum, duodenum, jejunum
Brain, spinal cord, nerves
The brain, spinal cord, and nerves make up the nervous system.
- Walking and talking are:
voluntary actions.
involuntary actions.
autonomic actions.
parasympathetic actions.
voluntary actions.
Walking and talking are voluntary actions that are messages from the brain.
- Breathing, heartbeat, and blood vessel contractions are:
voluntary actions.
nervous actions.
sympathetic actions.
parasympathetic actions.
sympathetic actions
Breathing, heartbeat, and blood vessel contractions are autonomic actions.
- Which of the following structures are part of the central nervous system?
Cranial and spinal nerves
Sensory and motor nerves
Brain and spinal cord
Afferent and efferent nerves
Brain and spinal cord
The brain and the spinal cord are part of the central nervous system.
- Which of the following are the primary functional units of the nervous system?
Ganglions
Glial cells
Synapses
Neurons
Neurons
Neurons are the primary functional units of the nervous system.
- Which of the following is NOT part of a nerve cell?
Axon
Synapse
Dendrite
Cell body
Synapse
The nerve cell consists of a cell body, an axon, and several dendrites.
- Which of the following structures contain the cytoplasm and nucleus of a nerve cell?
Axon
Synapse
Dendrite
Cell body
Axon
The axon contains the cytoplasm and nucleus of a nerve cell.
- Which of the following structures carries the nerve impulses to other neurons?
Axon
Synapse
Dendrite
Cell body
Axon
The axon carries the nerve impulses to other neurons.
- Which of the following structures receives the impulses from the axons and sends the impulses to the cell body?
Axon
Synapse
Dendrite
Cell body
Dendrite
Dendrites receive impulses from the axons and send impulses to the cell body.
- Which of the following terms describes an electrochemical message transmitted by nerve cells?
Impulse
Synapse
Contraction
Stimulus
Impulse
An electrochemical message transmitted by nerve cells is called an impulse.
- Which of the following terms describes a gap between neurons?
Synapse
Ganglion
Crevice
Junction
Synapse
The medical term for a gap between neurons is synapse.
- Which of the following is NOT part of the brain?
Cerebral cortex
Cerebellum
Brain stem
Cauda equina
Cauda equina
The brain consists of the cerebral cortex, the cerebellum, and the brain stem.
- Which of the following structures controls most of our conscious thought processes plus speech, hearing, and sight?
Cerebrum
Cerebellum
Brain stem
Cauda equina
Cerebrum
The cerebrum consists of thought processes, speech, hearing, and sight.
- Which of the following structures is attached to the spinal cord?
Cerebral cortex
Cerebellum
Brain stem
Cauda equina
Brain stem
The brain stem is attached to the spinal cord.
- Which of the following is produced by the sympathetic nervous system under times of stress?
Acetylcholine
Dopamine
Epinephrine
Prostaglandins
Epinephrine
Epinephrine is produced by the sympathetic nervous system under times of stress.
- Which of the following is a term used to describe the sympathetic portion of the autonomic nervous system (ANS)?
“Rest and repose” system
“Fight or flight” system
“Rough and ready” system
“Up and at ‘em” system
“Fight or flight” system
“Fight or flight” system is the term used to describe the sympathetic portion of the autonomic nervous system (ANS).
- Which of the following special nerve cells enable us to feel, see, hear, taste, and smell things around us?
Sense receptors
Terminal end fibers
Nissl bodies
Schwann cells
Sense receptors
Sense receptors are special nerve cells that enable us to feel, see, hear, taste, and smell things around us.
- Which of the following type of sensory cells is located in the upper part of the nasal cavity?
Odiferous
Olfactory
Alveolus
Smelling
Olfactory
The olfactory cells responsible for smelling are located in the upper part of the nasal cavity.
- Which of the following is NOT a tongue taste zone?
Bitter
Sweet
Salty
Spicy
Spicy
The taste buds are responsible for detecting bitter, sour, salty, and sweet tastes.
- Which of the following assist in the sense of taste?
Occipital cells
Olfactory cells
Oral cells
Ophthalmic cells
Olfactory cells
The olfactory cells assist in the sense of taste. A person needs to smell properly to taste properly.
- Which of the following is a danger signal picked up by sensory receptors to alert the brain to a possible injury?
Anxiety
Inflammation
Pain
Pruritus
Pain
Pain is a danger signal picked up by sensory receptors to alert the brain to a possible injury.
- Which of the following terms describes trembling or shaking?
Spasticity
Contracture
Tremor
Tetany
Tremor
The medical term for trembling or shaking is tremor.
- Which of the following terms describes dizziness, or a whirling feeling in the head?
Tetany
Tinnitus
Vertigo
Orthostatic hypotension
Vertigo
The medical term for dizziness, or a whirling feeling in the head, is vertigo.
- Which of the following terms describes an inability to move muscles?
Vertigo
Asthenia
Paralysis
Stupor
Paralysis
Paralysis is the inability to move muscles
- Which of the following terms describes sleeplessness, or the inability to fall asleep or stay asleep?
Asthenia
Insomnia
Stupor
Anesthesia
Insomnia
The medical term for sleeplessness is insomnia.
- Which of the following terms describes slowness of movement?
Spondylosis
Bradykinesia
Dystrophy
Osteodystrophy
Bradykinesia
The medical term for slowness of movement is bradykinesia.
- Which of the following terms describes stiffness?
Rigidity
Sclerosis
Kyphosis
Osteomalacia
Rigidity
The medical term for stiffness is rigidity.
- Which of the following terms describes a chemical substance released from nerve endings transmitting across synapses to other nerves?
Cerebral spinal fluid
Neurotransmitter
Tissue plasminogen activator
Alpha-fetoprotein
Neurotransmitter
A chemical substance released from nerve endings transmitting across synapses to other nerves is called a neurotransmitter.
- Which of the following terms refers to a group of clinical disorders characterized by abnormal involuntary movements of the muscles?
Extrapyramidal
Dyskinesia
Transient ischemic attack
Spasticity
Extrapyramidal
Extrapyramidal refers to a group of clinical disorders characterized by abnormal involuntary movements of the muscles.
- Which of the following conditions is characterized by slowing of movement, stiffness, tremor, and impaired postural reflexes?
Myasthenia gravis
Bell’s palsy
Parkinson’s disease
Multiple sclerosis
Parkinson’s disease
A syndrome characterized by slowing of movement, stiffness, tremor, and impaired postural reflexes is called Parkinson’s disease.
- Which of the following is a chronic, progressive, degenerative disease that attacks the outer covering of the nerves?
Myasthenia gravis
Bell’s palsy
Parkinson’s disease
Multiple sclerosis
Multiple sclerosis
Multiple sclerosis is a chronic, progressive, degenerative disease that attacks the outer covering of the nerves.
- Which of the following terms describes the insulating covering of the nerve cells?
Neurotube
Myelin sheath
Omentum
Periosteum
Myelin sheath
The myelin sheath is the insulating covering of the nerve cells.
- Which of the following conditions has symptoms that include paralysis, blurring of vision, speech problems, unsteady walk, and numbness?
Myasthenia gravis
Bell’s palsy
Parkinson’s disease
Multiple sclerosis
Multiple sclerosis
Symptoms of multiple sclerosis include paralysis, blurring vision, speech problems, unsteady walk, and numbness.
- Which of the following terms is used to describe a temporary loss of consciousness during which there is overactivity of part of the brain, often resulting in uncontrolled body movement?
Tremor
Seizure
Convulsion
Vertigo
Seizure
Seizure is a temporary loss of consciousness during which there is overactivity of part of the brain, often resulting in uncontrolled body movements.
- Which of the following is a set of disorders that cause periodic seizures?
Myasthenia gravis
Parkinson’s disease
Epilepsy
Migraines
Epilepsy
Epilepsy is a set of disorders that cause periodic seizures.
- Which of the following terms is used to describe periodic, sudden attacks of involuntary muscular contractions and relaxations?
Tremor
Stupor
Convulsions
Hyperkinesia
Convulsions
Periodic, sudden attacks of involuntary muscular contractions and relaxations are called convulsions.
- Which of the following categories of drugs is used to prevent seizures?
Anticholinergics
Anesthetic drugs
Adrenergic blocking agents
Anticonvulsants
Anticonvulsants
Anticonvulsants are drugs that control and prevent seizures.
- A cerebrovascular accident (CVA) is commonly known as a:
convulsion.
stroke.
heart attack.
seizure.
stroke.
Another name for a cerebrovascular accident (CVA) is a stroke.
- Patients who have had a transient ischemic attack (TIA) have a greater incidence of having a:
seizure.
convulsion.
stroke.
heart attack.
stroke.
Patients who have had a transient ischemic attack (TIA) have a greater incidence of having a stroke.
- Which of the following statements is correct?
Strokes are the leading cause of death.
Strokes are the second leading cause of death.
Strokes are the third leading cause of death.
Strokes are the fourth leading cause of death.
Strokes are the third leading cause of death.
Strokes are the third leading cause of death.
- Which of the following is a chronic, progressive, degenerative disease of the brain that accounts for the majority of all cases of dementia?
Multiple sclerosis
Parkinson’s disease
Alzheimer’s disease
Epilepsy
Alzheimer’s disease
A chronic, progressive, degenerative disease of the brain that accounts for the majority of all cases of dementia is called Alzheimer’s disease.
- Memory loss, weakness, blurred vision, speech difficulty, and partial paralysis are symptoms of:
a stroke.
epilepsy.
Parkinson’s disease.
multiple sclerosis.
a stroke.
Symptoms of a stroke include memory loss, weakness, blurred vision, speech difficulty, and partial paralysis.
- It is estimated that 10 percent of all persons over the age of 65 and 50 percent of all those over the age of 85 are affected by:
cerebrovascular accidents.
epilepsy.
Alzheimer’s disease.
transient ischemic attacks.
Alzheimer’s disease.
It is estimated that 10 percent of all persons over the age of 65 and 50 percent of all those over the age of 85 are affected by Alzheimer’s disease.
Disorientation to time and place, problems with language skills such as having difficulty naming objects or speaking inappropriate words, and changes in personality including becoming suspicious or fearful are signs of:
Parkinson’s disease.
multiple sclerosis.
Alzheimer’s disease.
malignant brain tumors.
Alzheimer’s disease.
Disorientation to time and place, problems with language skills such as having difficulty naming objects or speaking inappropriate words, and changes in personality including becoming suspicious or fearful are signs of Alzheimer’s disease.