Nokea
Which assessment finding may indicate a stroke?
- A. Sudden weakness on one side of the body, difficulty speaking, or confusion.
- B. Steady gait and normal muscle strength.
- C. Clear, intact sensation in all extremities.
- D. Symmetrical deep tendon reflexes.
Correct Answer: A
Rationale: Sudden weakness, difficulty speaking, or confusion are hallmark signs of a stroke. Steady gait, intact sensation, and symmetrical reflexes are normal findings.
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What is the strongest known risk factor for MS?
- A. cigarette smoking
- B. genetics
- C. obesity
- D. living in northern climates
Correct Answer: B
Rationale: Genetics is the strongest known risk factor for multiple sclerosis (MS). While environmental factors like vitamin D deficiency and smoking can influence risk, having a family history of MS significantly increases an individual's likelihood of developing the condition.
Which type of seizure is most likely to cause death for the patient?
- A. Subclinical seizures
- B. Myoclonic seizures
- C. Psychogenic seizures
- D. Tonic-clonic status epilepticus
Correct Answer: D
Rationale: Status epilepticus is a life-threatening condition requiring immediate intervention
Aldosterone:
- A. increases mRNA synthesis
- B. deficiency results in hypotension
- C. increases sodium reabsorption from sweat
- D. all above
Correct Answer: D
Rationale: Aldosterone increases mRNA synthesis to enhance sodium reabsorption, and its deficiency can lead to hypotension. It also promotes sodium reabsorption from sweat, helping maintain electrolyte balance.
The nurse is participating in the preparation of a seminar on the neurologic system for a community health fair. Which part of the system is the nurse referring when the statement 'rest and digest' is included?
- A. Left hemisphere of the cerebral cortex
- B. Right hemisphere of the cerebral cortex
- C. Sympathetic division of the autonomic nervous system
- D. Parasympathetic division of the autonomic nervous system
Correct Answer: D
Rationale: The parasympathetic division of the autonomic nervous system is responsible for 'rest and digest' functions, such as digestion and relaxation. The sympathetic division mediates the 'fight-or-flight' response, while the cerebral hemispheres are involved in higher cognitive functions. Understanding the autonomic nervous system is key to explaining physiological responses.
Which of the following is a sign of possible upper motor neuron damage?
- A. Muscle spasticity and hyperreflexia.
- B. Muscle flaccidity and diminished reflexes.
- C. Normal muscle tone and reflexes.
- D. Absence of neurological symptoms.
Correct Answer: A
Rationale: Upper motor neuron damage is characterized by muscle spasticity and hyperreflexia. Flaccidity, diminished reflexes, and normal tone are not associated with upper motor neuron damage.