306 Exam 2 Flashcards
What is Achromatopsia
is a rare form of color blindness in which the individual cannot distinguish any color at all and sees only shades of gray.
What is Osteoarthritis
Progressive Degeneration of cartilage and bone in a joint. Over time.
Bone on bone friction in the joint.
(Risks; Obesity
Age
Smoking
Repetitive stress on joints)
How frequently should adults get eye exams (what about those with comorbidities?)
W/o comorbidities
age 20-30s every 5-10 year
Age 40-54 every 2-4 year
Age 55-64 every 1-3 year
Age 65 and above every 1-2 year
With high risk or comorbidites (like diabetes)
Annually
Contraindications to MRI
Anything that can be attracted to the magnet. Anything that has any metal in it. Including implants.
MRI with contrast contraindications
Same as standard MRI contraindications as well as:
Patients on dialysis
Patients with kidney or renal impairment
Patients who are being administered medication for diabetes mellitus or hypertension.
Breastfeeding or pregnant patients
What is Photophobia
Sensitivity to light
What are the components of the sensory process?
Reception and perception
Reception = The process of receiving external stimuli or data.
Perception = Awareness and interpretation of stimuli; the ability of the individual to interpret the environment.
Left brain stroke symptoms and signs
(Think - Left brain = Language and logic)
Dysphasia
Reading or writing problems
Right sided hemiparesis (weakness)
Right sided neglect
Right sided stroke signs and symptoms
(Think right brain = reckless and really creative )
Lack of impulse control
Behavioral changes
Left hemparesis (weakness)
Left sided neglect
A client manifests with visual and spatial deficits, left homonymous hemianopsia and one sided neglect.
What is the suspected cause?
Right sided hemispheric stroke
What two cranial nerves are located in the anterior brain, and sensory only?
Cranial nerves 1 & 2,
Sense of smell (1) sight (2)
A negative Romberg test means what?
The patients balance is normal.
And the motor component of cranial nerve 8 is intact.
When assessing cranial nerves 9 & 10, what would the nurse consider a normal finding?
Uvula and soft palate rising bilaterally on phonation.
What do ligaments do?
Connect bones with eachother
What do tendons do?
Connect muscles to bones
What regions do herniated discs usually occur in patients spine?
C5-C6; C6-C7; L4-L5; and L5-S1
(Cervical). And (lumbar, sacral)
What is a herniated intervertebral disc?
A rupture of the cartilage surrounding the disc with a protrusion of the nucleus pulposus.
What is vertigo
A feeling of rotation or imbalance
Nystagmus
Rapid involuntary eye movements
A common type of vertigo that is caused by a disruption of the orientation of ear otoliths with changes in head position is called what?
Benign paroxysmal positional vertigo (BPPV)
What is Ménière’s disease?
Disorder of endolymph accumulation in the ear.
Symptoms are tinnitus, vertigo, imbalance, aural pressure and hearing loss
Blindness affect Black Americans more than other races. T/F
True
Uncontrolled hypertension, artherosclerosis, CVA (stroke), and uncontrolled diabetes mellitus can all contribute to vision loss T/F
True
What is the leading cause of blindness in the US
Uncontrolled diabetes mellitus
What is cranial nerve 1?
Olfactory- sense of smell
what is cranial nerve 5?
Trigeminal nerve-
motor and sensory nerve
motor is temporal and masseter.
sensory has 3 divisions of face ( ophthalmic, maxillary, and mandibular)
What is cranial nerve 11?
Spinal accessory nerve.
motor movement of sternocleidomastoid (SCM) and Trap muscles.
What is cranial nerve 7?
Facial nerve- motor and sensory
facial expression eyes closing and mouth closing.
taste on anterior 2/3 of tongue.
what is cranial nerve 12
hypoglossal- motor
tongue movement
What is cranial nerve 9?
Glossopharyngeal.
motor- pharynx
sensory-TASTE!
pharynx, posterior eardrums and posterior tongue
what is cranial nerve 10?
Vagus nerve. sensory and motor
motor- palate, pharynx, larynx
sensory- pharynx and larynx
SWALLOWING
What is cranial nerve 8?
vestibucochlear nerve.
HEARING AND BALANCE
What is cranial nerve 3?
Oculomotor nerve.
raises upper eyelid,
PUPIL CONSTRICTION
What is cranial nerve 2?
Optic nerve.
only sensory
VISION
What is cranial nerve 6?
Abducens nerve. -motor-
lateral deviation of eyes.
What is cranial nerve 4?
Trochlear nerve. -motor-
downward, internal rotation of the eye.
Does cartilage contain blood vessels?
No
What are interventions for fractures?
Ice packs; pharmacological therapy to reduce swelling, pain and prevent infection; immobilization with splint, brace, cast or traction; surgery to stabilize bone or replace fractured bone.
What is multiple sclerosis?
Autoimmune disease that causes damage to the myelin sheath around nerve.
Symptoms :
Loss of balance, muscle spasms, numbness/ tingling, tremor/weakness in arms/legs, bowel/bladder problems, eye/hearing/speech problems, cognitive defects.
What is bradykinesia
Slowness of movement due to muscle rigidity
Parkinson’s disease
Motor system disorder caused by the lack of dopamine in brain and imbalance with a normal amount of acetylcholine.
What are the 5 Ps of neurovascluar assessment?
Pain
Pallor
Pulses
Paresthesia
Paralysis/ paresis(weakness)
With Axillary crutches, the body weight is supported by ?
Wrists.
Stereognosis is?
The ability to perceive and understand an object through touch.
What is impulse conduction
The transmission of an impulse along the nerve pathways to the spinal cord and directly to the brain.
Which cranial nerve is responsible for chewing?
Cranial nerve 5- trigeminal.