Nokea
In providing care for clients with osteoporosis, the nurse emphasizes the need for a nutritious, well-balanced diet that is high in which of the following?
- A. Calcium
- B. Iron
- C. Zinc
- D. Carbohydrates
Correct Answer: A
Rationale: Calcium is crucial for maintaining bone health.
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The substance that is released at axonal endings to propagate a nervous impulse is called:
- A. an ion
- B. nerve glue
- C. a neurotransmitter
- D. the sodium-potassium pump
Correct Answer: C
Rationale: Neurotransmitters are chemical substances released at axonal endings to propagate nervous impulses across synapses. Ions and the sodium-potassium pump are involved in generating action potentials, while nerve glue and action potentials are not substances released at axonal endings. Thus, C is the correct answer.
After a car accident, Rhodri had a lot of difficulty planning his day. This is most likely the result of damage to which lobe?
- A. temporal
- B. parietal
- C. frontal
- D. occipital
Correct Answer: C
Rationale: The frontal lobe is responsible for executive functions, such as planning, decision-making, and problem-solving. Damage to the frontal lobe, as might occur in a car accident, can impair these abilities, making it difficult for individuals to organize tasks, set goals, or manage time. The frontal lobe also plays a role in personality, social behavior, and motor control, highlighting its importance in complex cognitive processes.
Regarding parasympathetic nervous system
- A. Supply all viscera
- B. Have connector cells in brainstem and sacrum
- C. ?
- D. ?
Correct Answer: B
Rationale: The parasympathetic nervous system has connector cells in the brainstem (cranial nerves III, VII, IX, X) and the sacral spinal cord (S2-S4). It is responsible for rest-and-digest functions.
Which of the following drugs is used to decrease intracranial pressure following intracranial surgery?
- A. Benadryl
- B. Mannitol
- C. Prednisone
- D. Corticosteroids
Correct Answer: B
Rationale: Mannitol is an osmotic diuretic that reduces intracranial pressure.
What is the priority intervention in the emergency department for the patient with a stroke?
- A. Intravenous fluid replacement
- B. Administration of osmotic diuretics to reduce cerebral edema
- C. Initiation of hypothermia to decrease the oxygen needs of the brain
- D. Maintenance of respiratory function with a patent airway and oxygen administration
Correct Answer: D
Rationale: Maintaining a patent airway and oxygenation is critical in the initial management of stroke