porth essentials of pathophysiology unit 6 neuro Exam with 100% correct answers
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Pathophysiology
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Pathophysiology
porth essentials of pathophysiology unit 6 neuro Exam with 100% correct answers
A client arrives in the clinic after having a tongue piercing performed and is unable to control the movement of the tongue. The nurse is aware that which nerve may have been damaged from the piercing?
Hypoglossal
...
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porth essentials of pathophysiology unit 6
neuro Exam with 100% correct answers
A client arrives in the clinic after having a tongue piercing performed and is unable to control the
movement of the tongue. The nurse is aware that which nerve may have been damaged from the
piercing?
Hypoglossal
The sympathetic and the parasympathetic nervous systems are continuously at work in our bodies.
This continual action gives a basal activity to all parts of the body. What is this basal activity referred
to as?
Tone
The nurse is aware that some drugs may be prevented from entering the brain as a function of:
The blood-brain barrier
The nurse measures a blood glucose level of 40 mg/dL for a client with diabetes type I. Why would it
be important for the nurse to institute an intervention to elevate the glucose level in this client?
Glucose is not stored in the brain and is a major fuel source for brain function.
.
Which types of cells are supporting cells of the peripheral nervous system?
Schwann cells
Nutrition students are studying the nervous system, which has a high rate of metabolism. Which of
the following is its major fuel source?
Glucose
The arachnoid membrane is the middle layer of the three meninges.
True
A client is having an upper endoscopy to determine the presence of a gastric ulcer. After the
procedure is performed, the nurse instructs the client that he cannot have anything to eat or drink
until the return of the gag reflex. Which nerve is the nurse testing for return of function?
Glossopharyngeal
A 21 year old male is brought to the ED following a night of partying in his fraternity. His friends found
him "asleep" and couldn't get him to respond. They cannot recall how many alcoholic beverages he
drank the night before. While educating a student nurse and the roommates in the fraternity, the
nurse begins by explaining that alcohol is:
Very lipid soluble and rapidly crosses the blood-brain barrier.
Select the function of the occipital lobe.
Color, motion, and depth perception
The region of the brain involved in emotional experience and control of emotional behavior is the:
Limbic system
, During embryonic development, which of the following structures develops into the central nervous
system (CNS)?
Neural tube
Which of the following is the primary component of white matter?
Myelinated fibers
When educating a patient about to undergo a pacemaker insertion, the nurse explains the normal
phases of cardiac muscle tissue. During the repolarization phase, the nurse will stress that membranes
must be repolarized before they can be re-excited. Within the cell, the nurse understands that:
Potassium channels open and while sodium channels close causing repolarization to the resting state.
Which parts of the brain make up the brain stem?
Pons and medulla oblongata
The parasympathetic nervous system is part of which of the following systems?
Autonomic nervous system
A client is unable to stick out his tongue as a result of injury to cranial nerve XII. The nurse recognizes
that the client has sustained as damage to which nerve?
Hypoglossal
In which phases of the action potential is there movement in and out of sodium and potassium?
Select all that apply.
• Depolarization
• Hyperpolarization
• Repolarization
Maintenance of blood gas concentrations, water balance, and food consumption are controlled by
which of the following parts of the brain?
Hypothalamus
After neurotransmitters are synthesized, in which of the following structures are they stored in the
axon terminal?
Synaptic vesicles
Neurotrophic factors contribute to the maintenance of homeostasis by promoting the growth and
survival of neurons. Which of the following clients may be experiencing an alteration in neurotrophin
levels? Select all that apply.
• A 55-year-old who is exhibiting clinical manifestations of early-onset Alzheimer disease
• A 44-year-old with a family history of Huntington disease who is exhibiting jerky, uncontrollable
movements
The thick area of myelinated axons that connects the two sides of the cerebral cortex is known as
which of the following components?
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