Unit 17-chapter 13+16 Flashcards

1
Q

virulent means

A

strength or ability of pathogen to produce disease

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2
Q

Which of the following conditions would MOST likely mimic the signs and symptoms of an acute ischemic stroke?

A

hypoglycemia

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3
Q

Migraine headaches are thought to be caused by:

A

changes in blood vessel size within the base of the brain.

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4
Q

what does Lamictal and dilantin treat

A

seizures

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5
Q

what does SARS look like and do

A

SARS is caused by a virus and usually starts with flulike symptoms that deteriorate to pneumonia and respiratory failure.

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6
Q

Index of suspicion is MOST accurately defined as:

A

your awareness and concern for potentially serious underlying and unseen injuries or illness.

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7
Q

________________ is a disorder of the brain in which blood flow to a portion of the brain is suddenly disrupted, resulting in brain cell death.

A

Cerebral infarction

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8
Q

A degenerative cerebral disease is an example of a(n) ______________ cause of a seizure.

A

structural

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9
Q

syphilis is a STD, but also a ___ disease

can be treated within 24-28 hrs with __

creates lesions called __

A

blood-borne

Penicillin

chancre- on genitals usually

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10
Q

common early symptoms of meningitis

A

fever, headache, stiff neck and altered LOC

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11
Q

whooping cough is an airborne disease caused by __

AKA

A

bacteria

pertussis

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12
Q

t or false

MSRA are resistant to antibiotics and are commonly passed around in health care setting due to poor hand washing

A

true

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13
Q

MRSA more likely when-

incubation period

A

long term hospital stays in ICU, exposure to infected person, antibiotic therapy

5-45 days

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14
Q

central nervous system is responsible for

A

thought perception feeling and autonomic body functions

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15
Q

peripheral nervous system is responsible for

A

transmits commands from the brain to the body and receives feedback from the body

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16
Q

3 major parts of brain and what they primarily do

A

cerebrum- right and left hemisphere - controls opposite side of body

- front of cerebrum- emotion and thought
 - middle - touch and movement
- back- sight
 - left side- speech

cerebellum- muscle and body function

brain stem- basic function control- breathing , BP, swallow , pupil constriction

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17
Q

12 cranial nerves running directly to

A

parts of the head

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18
Q

complex activity in the brain is made possible by

A

synapses

present wherever a cell terminates and “connects” to next cell via chemical neurotransmitters

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19
Q

following a stroke , dead cells are called

A

infarcted cells

20
Q

interruption of cerebral blood flow may result because of -3

A

thrombus- clot developed locally
arterial rupture
cerebral embolism - clot from somewhere else

21
Q

two main types of strokes

A

ischemic and hemorrhagic ( arterial rupture )

22
Q

patients are at higher risk for hemorrhagic stroke who have ___

A

poorly managed hypertension

23
Q

what is an aneurysm

common signs-2

A

enlargement of artery due to weak wall

“worst headache “ or rapid LOC change ( ICP)

24
Q

when a hemorrhagic stroke occurs in a healthy person its called

A

berry aneurysm - subarachnoid hemorrhage - bizarre vital signs

25
Q

what is happening if the brain herniates

A

ICP has forced brain down to brainstem / hole in head

26
Q

skull ( cranial vault is filled with 3 substances )

A

brain , blood and CSF

27
Q

stroke symptoms that disappear in 24 hours is called

A

transient ischemic stroke ( TIA )

28
Q

left hemisphere problems include

A
  • paralysis on right side of body
  • aphasia - cant produce or understand speech)
    - trouble understanding - receptive
    - trouble producing - expressive
29
Q

right hemisphere problems include

A

paralysis on left side of body

- dysarthia - slurred speech

30
Q

what is stroke “ neglect “

A
  • oblivious to problem
  • neglect certain parts of vision- cant see on that side
  • delay seeking help
31
Q

what do seizures involve

A

sudden, erratic firing of neurons

32
Q

seizures can be classified as either

A

generalized ( large portion of brain ) or partial ( limited area of brain )

33
Q

generalized seizures are - 2

A

tonic- clonic or absence

34
Q

7 steps of tonic-clonic seizure

A
1- aura
2- Loss of consciousness
3- tonic - rigid
4- hypertonic- arched back and rigid
5- clonic- contractions
6- post seizure - major muscles relax
7- postictal- brain relaxes- asphasic ( unable to speak)
35
Q

absence seizures have

A

little to no movement, common in child, few secs

36
Q

simple partial seizures involve-

A

altered sensations or involve movement in one part of body

- may spr ead from one part to another in wave

37
Q

complex partial seizures

A

-subtle changes in LOC
- confused , dizzy
usually doesn’t go unresponsive

38
Q

during seizure, neurons are in hypermetabolic state meaning

A

huge amounts of glucose are used and produce lactic acid

39
Q

5 common causes of seizures

A

congenital ( epilepsy ), structural , metabolic (chemical issue ), febrile, idiopathic( unknown reason )

40
Q

what mnemonic can be used to obtain pertinent history regarding seizures

A
F- focus ( generalized or focal )
A- Activity ( type of movement )
C- color or cocaine
T- Time ( how long )
S- Secondary info ( events leading, medication, incontinence ?)
41
Q

what is
decorticate posturing
decerebrate posturing

A

decorticate- flexs/ curls arms to core, points toes

decerebrate- arms outward and rotate lower arm, point toes

42
Q

what kind of drug can be given to stroke to “break up” clot

A

fibrinolytic drug- within 3 hrs

43
Q

is pt has had stroke , how should you lay them

A

paralyzed side down, pt head elevated 6”

44
Q

stroke acronym

A

F- facial droop
A- arm weakness
S- slurred speech
T- time since occurrence

45
Q

write out glascow coma scale

A
Eyes- spontaneous
        - voice
        - pain
        - none
Mouth- orientated
        - disorientated
        - inappropriate words
        - incomprehensible sounds
        - nothing
Move- obey command
          - localize pain
          - withdraws from pain 
          - flexion ( decorticate )
          - extension ( decerebrate )
         - nothing
46
Q

hypercalcemia

hypocalcemia

A

hyper- excess calcium in blood - slowing of muscles, heart rate etc
hypo- normally controls neurons firing leads to muscle spams, heart contractions happen, seizures

47
Q

hyperkalemia

A

potassium out of cell, hydrogen ion into cell when acidosis, resulting in to much potassium in blood, can effect repolarziation in skeletal and cardiac muscles, slowing or arrhythmia