Nokea
A person who experiences an aura as part of his/her seizure pattern should be instructed to
- A. lie down in a safe place
- B. take additional anticonvulsant medication
- C. call an ambulance
- D. exercise vigorously
Correct Answer: A
Rationale: Lying down in a safe place can prevent injury during a seizure.
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What is the major focus for care today for a patient who is 1 day post-operative after a left below-the-knee amputation?
- A. To attain pain control for phantom pain.
- B. To monitor for signs of sufficient tissue perfusion.
- C. To assist the patient to ambulate as soon as possible.
- D. To elevate the residual limb when the patient is supine.
Correct Answer: B
Rationale: Ensuring adequate tissue perfusion is critical in the immediate post-operative period to prevent complications.
A patient with severe joint immobility is receiving physical and exercise therapy. To evaluate the effect of the treatment, the nurse may assess joint range of motion with what equipment?
- A. Ergometer
- B. Myometer
- C. Goniometer
- D. Arthrometer
Correct Answer: C
Rationale: A goniometer measures joint angles.
Which motor symptom, visible in the hands, is characteristic of Parkinson's disease?
- A. blue discoloration
- B. red discoloration
- C. tremor
- D. severe edema
Correct Answer: C
Rationale: Tremor, particularly a resting tremor, is a hallmark symptom of Parkinson's disease. It often begins in the hands and can progress to other parts of the body as the disease advances.
Which functional cell of the nervous system is responsible for transmission of information from one cell to another?
- A. nerves
- B. neurons
- C. ganglions
- D. glial cells
Correct Answer: B
Rationale: Neurons are specialized cells that transmit electrical and chemical signals throughout the nervous system. They are the primary functional units of the nervous system, responsible for processing and transmitting information to other neurons, muscles, or glands.
In the development of the nervous system, which is the correct order of events?
- A. First, cells must be specified to be neurons, second, these neurons must make connections with their targets, third, the neurons must migrate to their final position, and fourth, the neurons refine their synaptic connections.
- B. First, cells must be specified to be neurons, second, the neurons must migrate to their final position, third, these neurons must make connections with their targets, and fourth, the neurons refine their synaptic connections.
- C. First, cells must migrate to their final position, second, these cells must be specified to be neurons, third, the neurons must make connections with their targets, and fourth, the neurons refine their synaptic connections.
- D. First, the prospective neurons must make connections with their targets, second, the neurons refine their synaptic connections, third, the neurons must migrate to their final position, and fourth, the cells are specified to become neurons.
Correct Answer: B
Rationale: The correct sequence of nervous system development involves: (1) specification of cells as neurons, (2) migration of neurons to their final positions, (3) formation of connections with targets, and (4) refinement of synaptic connections. This order ensures proper neural circuit formation and function. Specification occurs first, followed by migration, which positions neurons correctly. Axon outgrowth and target connection occur next, and finally, synaptic pruning and refinement optimize neural communication.