Nokea
The nurse is caring for a client newly diagnosed with multiple sclerosis who is overwhelmed by learning about the disease. The client indicates understanding that there is a disruption in the covering of axons but does not remember what the covering is called. What should the nurse tell the client?
- A. That it is not necessary to worry about the finer details of the disease.
- B. That because there is so much to learn, there will be another meeting to discuss it again.
- C. That the covering is called myelin and that it can be discussed further at the next meeting.
- D. That the disease process requires more research.
Correct Answer: C
Rationale: Myelin is a fatty substance that covers some axons in the CNS and PNS. The nurse would be most correct in answering the question and then, if the client is tired, following up at the next meeting. It would also be appropriate to provide literature for the client to review at leisure. Discounting the client's need to know information about the disease process is belittling. Telling the client that more research needs to be done discounts the valuable information which is known.
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The nurse who is employed in a neurologist's office is performing a history and assessment on a client experiencing hearing difficulty. The nurse is most correct to gather equipment to assess the function of which cranial nerve?
- A. II
- B. VI
- C. VIII
- D. XI
Correct Answer: C
Rationale: There are 12 pairs of cranial nerves. Cranial nerve VIII is the vestibulocochlear or auditory nerve responsible for hearing and balance. Cranial nerve II is the optic nerve. Cranial nerve VI is the abducens nerve responsible for eye movement. Cranial nerve XI is the accessory nerve and is involved with head and shoulder movement.
A client is waiting in a triage area to learn the medical status of family members following a motor vehicle accident. The client is pacing, taking deep breaths, and handwringing. Considering the effects in the body systems, what does the nurse anticipate the liver will do?
- A. Cease function and shunt blood to the heart and lungs.
- B. Convert glycogen to glucose for immediate use.
- C. Produce a toxic by-product in relation to stress.
- D. Maintain a basal rate of functioning.
Correct Answer: B
Rationale: When the body is under stress, the sympathetic nervous system is activated to ready the body for action. The effect of the body is to mobilize stored glycogen to glucose to provide additional energy for body action.
The nurse is assessing the assigned client's level of consciousness during morning rounds. The nurse speaks the client's name, strokes the client's hand, and moves the client's shoulder. There is a delay, and then the client states, 'What do you want?' Which level of consciousness should the nurse document?
- A. Conscious
- B. Semicomatose
- C. Somnolent
- D. Stuporous
Correct Answer: C
Rationale: Somnolent or lethargy means that the client is drowsy or sleepy at inappropriate times. This is an improvement from the stuporous state, which includes arousing the client only with vigorous and repeated stimulation. A client that is conscious is alert and responds to stimulation immediately. A client is documented as semicomatose when the client only responds to superficial, relatively mild, painful stimuli.
The nurse assists the health care provider (HCP) in completing a lumbar puncture (LP). Which should the nurse note as a concern?
- A. The HCP maintains aseptic procedure.
- B. The pressure is noted to be 90 mm H2O.
- C. The cerebrospinal fluid (CSF) is cloudy in nature.
- D. The HCP administers a drug by intrathecal injection.
Correct Answer: C
Rationale: The CSF is normally clear and colorless; therefore, CSF that is cloudy would be noted by the nurse as a concern. The HCP is correct to maintain aseptic procedure. At 90 mm H2O, the client's CSF fluid pressure falls within normal limits (between 80 and 100 mm H2O). Sometimes the HCP will administer medication via intrathecal injection during an LP, which should not be a cause for concern.
A nurse is caring for a client with an injury to the central nervous system. When caring for a client with a spinal cord insult that is slowing transmission of the motor neurons, in what would the nurse anticipate a delayed reaction?
- A. Identification of information due to slowed passages of information to brain.
- B. Cognitive ability to understand relayed information.
- C. Processing information transferred from the environment.
- D. Response due to interrupted impulses from the central nervous system
Correct Answer: D
Rationale: The central nervous system is composed of the brain and the spinal cord. Motor neurons transmit impulses from the central nervous system. Slowing transmission in this area would slow the response of transmission leading to a delay in reaction. Sensory neurons transmit impulses from the environment to the central nervous system, allowing identification of a stimulus. Cognitive centers of the brain interpret the information.