Hcb Test 8 Flashcards
(40 cards)
What is decerebrate posturing?
Rigid extension of all four extremeties with hyper pronation of the forearms and plantar flexion of the feet
What is decorticate posturing?
Posturing manifested by the obtunded patient pulling arms and hands medially toward the center (core) of the body in response to harmful stimuli
What is hemiparesis?
Muscular weakness or partial paralysis restricted to one side of the body.
What is hemiplegia?
Total or partial paralysis of one side of the body that results from injury to the motor centers of the brain
What is intracranial pressure?
Pressure that occurs inside the skull, usually between 5 and 15 mmHg,contained within the brain tissue and CSF
What is the Glasgow coma scale?
Used to evaluate a patient’s level of consciousness. Best possible score of 15
What is guillain-barre syndrome?
Post infections disorder following a non specific gastrointestinal or respiratory infection that causes an acute neuromuscular paralysis
What are meninges?
Any of the three membranes that envelop the brain and spinal cord and include the arachnoid, dura mater and PIA mater
What is stratus epilepticus?
Repeated seizure or seizure prolonged for at least 30 minutes; may be convulsive that is tonic/ clinic, non - convulsive, partial, or subclinical
A& 0x3 meaning?
Alert and oriented to person, place and time
Loc meaning?
Level of consciousness
What is the main network of coordination and control for the body?
The central nervous system (brain and spinal cord)
The central nervous system is responsible for processing and transmitting information throughout the body.
What comprises the peripheral nervous system?
Nerves that enter and exit the spinal cord between the vertebrae, the 12 pairs of cranial nerves, and all of the body’s other motor sensory nerves
The peripheral nervous system connects the central nervous system to limbs and organs.
What is the function of the autonomic nervous system?
Coordinates and regulates the internal organs of the body, such as cardiac muscle and smooth muscle
The autonomic nervous system operates involuntarily.
How many divisions does the autonomic nervous system have?
Two divisions
These divisions typically balance each other’s impulses.
True or False: The peripheral nervous system includes the brain and spinal cord.
False
The brain and spinal cord are part of the central nervous system.
Fill in the blank: The autonomic nervous system has two divisions, each tending to _______ the impulses of the other.
balance
This balance is crucial for maintaining homeostasis in the body.
Fill in the blanks. The sympathetic division prods the body into action during times of _____and______
Physiologic and psychological stress
The__________ division functions in a complementary and a counterbalancing manner to conserve body resources and maintain day to day body functions such as digestion and elimination
Parasympathetic
How many lobes of the brain are there?
4
What are the three major units of the brain?
Cerebrum
Cerebellum
Brain stem
What is the function of the Olfactory Nerve (CN I)?
Sensory: smell reception and interpretation
Arises in the olfactory neurosensory cells of the nasal mucous membrane and passes to the anterior part of the cerebrum.
What is the sensory function of the Optic Nerve (CN II)?
Visual acuity and visual fields
Conducts visual impulses from the eye to the brain.
Which cranial nerve controls four muscles of the eye?
Oculomotor Nerve (CN III)
Arises from the midbrain.