Nokea
The neuron cell is made up of which of the following parts?
- A. Axon
- B. Dendrite
- C. Nucleus
- D. All of the Above
Correct Answer: D
Rationale: A neuron consists of an axon, which transmits signals away from the cell body; dendrites, which receive signals; and a nucleus, which contains genetic material. All these parts work together to enable the neuron to communicate effectively. This comprehensive structure allows neurons to perform their critical role in the nervous system.
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Which of the following is a primary function of the glomerulus?
- A. Filtration
- B. Reabsorption
- C. Secretion
- D. Transport
Correct Answer: A
Rationale: Filtration is the correct answer because the glomerulus is a network of capillaries in the kidney that filters blood to form urine. It allows water, ions, and small molecules to pass into the renal tubules while retaining larger molecules like proteins and blood cells. This filtration process is the first step in urine formation and is critical for maintaining homeostasis.
Priority Decision: During assessment of a patient with a spinal cord injury, the nurse determines that the patient has a poor cough with diaphragmatic breathing. Based on this finding, what should be the nurse's first action?
- A. Institute frequent turning and repositioning
- B. Use tracheal suctioning to remove secretions
- C. Assess lung sounds and respiratory rate and depth
- D. Prepare the patient for endotracheal intubation and mechanical ventilation
Correct Answer: C
Rationale: Assessment ensures proper diagnosis before intervention.
Why does a nurse position a patient with an above-the-knee amputation with a delayed prosthetic fitting prone several times a day?
- A. To prevent flexion contractures
- B. To assess the posterior skin flap
- C. To reduce edema in the residual limb
- D. To relieve pressure on the incision site
Correct Answer: A
Rationale: Prone positioning prevents contractures.
Which of the following actions should the nurse perform before a client with impaired physical mobility gets up?
- A. Use parallel bars or a walker
- B. Apply an abdominal binder
- C. Use incontinence pads
- D. Use footboard
Correct Answer: B
Rationale: An abdominal binder supports the trunk and aids stability.
Why did the patient's wife's husband not receive clot-busting medication (tPA)?
- A. He didn't arrive within the timeframe for that therapy.
- B. Not everyone is eligible for this drug. Has he had surgery lately?
- C. You should discuss the treatment of your husband with his doctor.
- D. The medication you are talking about dissolves clots and could cause more bleeding in your husband's brain.
Correct Answer: D
Rationale: tPA is contraindicated in hemorrhagic strokes because it can worsen bleeding