Nokea
When assessing a patient's mental status, the nurse should:
- A. Evaluate the patient's orientation, memory, and cognitive function.
- B. Measure the patient's blood pressure.
- C. Inspect the patient's skin for abnormalities.
- D. Check the patient's respiratory rate.
Correct Answer: A
Rationale: Mental status assessment involves evaluating orientation, memory, and cognitive function. Blood pressure, skin inspection, and respiratory rate are unrelated to mental status.
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Structures involved in colour vision include:
- A. parvocellular pathway
- B. superficial layer 4C of visual cortex
- C. superior colliculi
- D. geniculate layers 1-2
Correct Answer: A
Rationale: The parvocellular pathway is primarily responsible for colour vision and high spatial resolution. The superior colliculi and geniculate layers 1-2 are not directly involved in colour processing.
The patient has a burning, sharp pain on the sole of the foot, especially in the morning. The nurse knows that this describes what common musculoskeletal problem?
- A. Pes planus
- B. Tenosynovitis
- C. Plantar fasciitis
- D. Muscle atrophy
Correct Answer: C
Rationale: Plantar fasciitis causes foot pain, especially in the morning.
Mrs. Brown's condition has just been diagnosed as multiple sclerosis. Which of the following would be most helpful in assisting her to live with her disease?
- A. Teaching her about specific diet restrictions
- B. Explaining the need for regular daily activity, rest, and relaxation
- C. Encouraging regular appointments with a psychotherapist
- D. Explaining that complete recovery can be expected
Correct Answer: B
Rationale: Regular activity, rest, and relaxation help manage symptoms.
The following are true about corneal sensation:
- A. the sensation is greatest at the apex and diminishes towards the limbus
- B. the temporal half of the cornea is more sensitive than the nasal half
- C. the Bonnet-Cochet aesthesiometer gives quantitative measure of the degree of hypoaesthesia
- D. all above
Correct Answer: D
Rationale: Corneal sensation is greatest at the apex, the temporal half is more sensitive, and the Bonnet-Cochet aesthesiometer quantifies hypoaesthesia. All statements are true.
Regarding anterior nerve roots
- A. They contain efferent fibres only
- B. All roots contain sympathetic fibres
- C. Anterior roots join with posterior roots 1cm distal to the intervertebral foramen
- D. There are 31 pairs of anterior nerve roots
Correct Answer: A
Rationale: Anterior nerve roots contain efferent (motor) fibers only. They join with posterior (sensory) roots to form spinal nerves, which then exit the intervertebral foramen.