Nokea
In reviewing Mrs. Post's laboratory results, which abnormal test is most likely to confirm the diagnosis?
- A. Sedimentation rate
- B. Rheumatoid factor
- C. LE cells
- D. Antinuclear antibody
Correct Answer: D
Rationale: Antinuclear antibodies are highly indicative of systemic lupus erythematosus.
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Excitatory signals have a ________ effect.
- A. hyperpolarizing
- B. neutral
- C. depolarizing
- D. positive
Correct Answer: C
Rationale: Excitatory signals have a depolarizing effect on the postsynaptic neuron, making the membrane potential moreOops! DeepSeek is experiencing high traffic at the moment. Please check back in a little while.
Which technique is used to assess the cerebellum?
- A. Application of a pointed tip of a paper clip to lightly prick various areas of the upper and lower extremities for pain
- B. Having the patient walk on the heels and hen on the toes to test for balance
- C. With the patient's eyes closed, grasping his or her finger or toe and moving its position up or down to determine if the patient perceives that the digit has moved
- D. Having the patient lie supine and flex the hips and knees to test for mobility
Correct Answer: B
Rationale: Assessing the cerebellum involves testing balance and coordination. Having the patient walk on their heels and toes evaluates cerebellar function. Pain sensation, proprioception, and mobility are assessed through other techniques.
For the patient who has expressive aphasia following a cerebrovascular accident, the most therapeutic nursing intervention would be to
- A. keep verbal nurse-patient interchanges to a minimum
- B. talk to the patient as if he understands
- C. avoid using objects or gestures to communicate
- D. keep the sound of a radio or television audible in the background
Correct Answer: B
Rationale: Talking normally helps maintain cognitive engagement.
What are the two major divisions of the nervous system?
- A. endocrine and exocrine nervous systems
- B. upper and lower nervous systems
- C. spinal and extremity nervous systems
- D. central and peripheral nervous systems
Correct Answer: D
Rationale: The nervous system is divided into the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system (PNS), which includes all the nerves outside the CNS. This division is fundamental to understanding how the body processes and responds to information.
Which statement accurately describes dementia?
- A. Overproduction of β-amyloid protein causes all dementias.
- B. Dementia resulting from neurodegenerative causes can be prevented.
- C. Dementia caused by hepatic or renal encephalopathy cannot be reversed.
- D. Vascular dementia can be diagnosed by brain lesions identified with neuroimaging.
Correct Answer: D
Rationale: Neuroimaging can identify vascular lesions causing dementia