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Cerebral oedema is an accumulation of fluid in the?
brain tissue
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Vasogenic oedena is clinically important because
Disrupts the blood brain barrier
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A person presents with rigid extremities his forearm is hyperpronated and his legs are in planter extension. This is known as
decerebrate posturing
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When an intraventricular catheter is inserted, the intracranial pressure is recorded at 24mm Hg. This reading is
higher than normal
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A severe closed head injury puts the patient at risk of
cerebral oedema
-
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Hydrocephalus in adults is most often caused by
Defective CSF reabsorbtion
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Paralysis of the lower extremities is called
parapegia
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A disorder that causes excessive movement is
Hyperkinesia
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Spinal shock is characterized by
Cessation of spinal cord function below the lesion
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The system responsible for an individual’s emotional and behavioral responses to pain is the
Motivational/affective system
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What is psychogenic pain
pain that seems to have no underlying pathology
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Pain that occurs to a stimulus such as light stroking that normally does not provoke pain is
Allodynia
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Pain felt in a different part of the body part to the source of the pain is
Referred pain
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Chronic pain is pain that lasted longer than
3 months
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Which area of the brain would receive pain signals and perceive it as pain, from a needle prick of the left hand
Right Somatosensory Cortex
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One location in which nociceptors can be found is the
skin
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Cutaneous polymodal nociceptors are activated by
Mechanical injury, heat and chemicals
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Which CNS tract is responsible for carrying sensory information from the nociceptors to the brain
Spinothalmic
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Inflammation of the visceral tissues activates
Silent Nociceptors
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Which excitatory neuromodulator enhances pain transmission
Substance P
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What term characterizes sharp well-localized pain
Somatic Pain
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Which area of the brain would receive impulses to make one aware of pain from a broken leg
Postcentral gyrus
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Burning pain felt long after a crush injury has healed is known as
Neuropathic pain
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The pain threshold in children is
Lower than that of adults
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The lowest intensity that of a stimulus that is perceived as painful is termed
Pain Threshold
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A burning pain 12 months post shingles is most likely to be what type of pain
Post Herpatic neuralgia
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The majority of disc herniations are caused at what vertebral level
T1-T4
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The somatic nervous system consists of pathways that control
Skeletal muscle
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The axon leaves the cell body at the
Axon hillcock
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In which region of the neuron do nerve impulses travel fastest
Axon
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What transmits the nerve impulse at the highest rate
Large myelinated axons
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Motor neurons are structurally classified as
Multipolar neurons
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What are neurological cells
Astrocyte, ependymal and schwann cell
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What neuron has the capacity to regenerate
Myelinated peripheral neurons
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Nerves are stimulated by electrical current. Upon stimulation neurotransmitters are released from the
Synaptic bouton
-
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Neurotransmitters interact with postsynaptic membrane by binding to a
Receptor
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A patient experiencing severe burn pain needs which neurotransmitter blocked to reduce pain
Substance P
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A person cannot stay awake no matter how much sleep they get. A drug that stimulates what area may treat the problem
Reticular activating system
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Maintenance of homeostasis and instinctive behavioral control arise from
Hypothalamus
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The ________ is a transverse fiber tract that connects the two cerebral hemispheres
corpus callosum
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Reflex activities concerned with heart rate and blood pressure are controlled by the
Medulla Oblongata
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Characteristics of upper motor neurons include
Influencing and modifying spinal reflex arcs
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What area of the spinal cord contains cell bodies involved in the autonomic nervous system
Lateral horn
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Sensory pathways in the spinal cord include the
Spinothalamic tract
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The outermost membrane surrounding the brain is the
Dura Mater
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A cell that is involved in forming the blood-brain barrier is the
Astrocyte
-
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Which psychological factors may increase a persons’ tolerance to pain
Empathy
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Pain caused by a compressed nerve may be described as
Burning shooting tingling
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For optimum pain management
Step up doses using analgesic ladder
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Which route of administration is best for patients with stable chronic pain
Oral sustained-release preperations
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What drug is considered a weak opioid used in mild to moderate pain
Codeine
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What is not considered to be a mechanism of action of opioid analgesics
Stimulation os sigma receptors in the substantia gelatinosa
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An overdose of opioids may be reversed with
Naxolone
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What mechanism is relevant to the analgesic action of aspirin
Inhibition of prostaglandin synthesis in the periphery
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What is an adjuvant analgesic
Tricyclic antidepressants
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If a patient presents with status asthmaticus, what percentage of oxygen should be administered
50-90
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Expectorant drugs exert their actions by
Irritating mucous membranes. Assist the removal of mucous by coughing and spitting.
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What type of oxygen is administered to an upper respiratory tract infection
Nasal Catheter
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What is not a mediator of asthma
Corticosteroids
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What drug would be used as a reliever in asthma treatment
Salbutamol
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The proposed mechanism of action of salbutamol is
Stimulation of beta2-adrenoceptors
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Allergic Rhinitis would not be relieved by
beta-adrenoceptors agonist
-
Indications or the use of carbon dioxide include
Carbon monoxide poisoning
-
The current accepted model for managing asthma is
Asthma 3+ visit plan
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What is not considered to be a side affect of pseudoephadrine
hypotension
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Asthma is thought to be caused by
Interactions between genetic and environment factors
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In asthma,---------- is (are) reduced
Expiratory flow rates
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What should you recognize as part of an asthma attack
Wheezing
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Airway hyper-responsiveness in asthma is related to
Exposure to an allergen causing mast cell degranulation
-
Airway obstruction contributing to increased airflow resistance and hypoventilation in asthma is caused by
Mucous secretion, bronchoconstriction and airway oedema
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The most likely diagnosis of a prolonged bronchospasm and severe hypoxemia.
Status Asthmaticus
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Patient with emphysema is having difficulty expiring a given volume of air. They are most likely experiencing ----------- pulmonary disease
Obstructive
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Patient with chronic bronchitis has closure of the airway during expiration. This condition is most likely caused by
Thick mucous from hypertrophied glands
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Patient presents with chronic bronchitis of 5 months. What is the most likely to cause this condition
Cigarette smoke
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Patient presents with chronic bronchitis of 5 months. What is the most significant concern to them
Recent pulmonary infections
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Patient with 25 year smoking history has emphysema. They have increased anterior-posterior chest diameter because of
Air trapping
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A 15 year old is diagnosed with restrictive lung disease caused by fibrosis. What is expected
Decreased tidal volume
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The cause and effect sequence in the development of acute-respiratory distress syndrome
A massive inflammatory response causing alveolar-capillary membrane injury
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