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Certain metabolic diseases can affect the nervous system. For instance, people with diabetes can develop a nervous system problem called diabetic neuropathy. What are the symptoms of diabetic neuropathy?
- A. Constipation or diarrhea
- B. Rapid heart beat
- C. Pain in feet
- D. All of the above
Correct Answer: D
Rationale: Diabetic neuropathy can cause a wide range of symptoms, including gastrointestinal issues like constipation or diarrhea, cardiovascular symptoms like rapid heart rate, and sensory symptoms like pain in the feet. This condition results from nerve damage due to high blood sugar levels. Recognizing these symptoms is essential for managing diabetes-related complications.
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Referred pain from pancreatitis is at what level?
- A. T7/8
- B. L1/2
- C. T3/4
- D. T12/L1
Correct Answer: A
Rationale: Referred pain from pancreatitis is typically felt at the T7-T8 dermatome, which corresponds to the epigastric region. This is due to shared spinal cord segments between the pancreas and the abdominal wall.
Cell bodies for the motor supply of the facial nerve lie
- A. Hypothalamus
- B. Midbrain
- C. Floor of the third ventricle
- D. Pons
Correct Answer: D
Rationale: The motor nucleus of the facial nerve is located in the pons. It controls muscles of facial expression, such as the orbicularis oculi and buccinator.
Any of the following cranial nerves has the parasympathetic nucleus EXCEPT:
- A. vagal
- B. oculomotor
- C. glossopharyngeal
- D. olfactory
Correct Answer: D
Rationale: Olfactory nerve is the correct answer because it is a sensory nerve responsible for the sense of smell and does not have a parasympathetic nucleus. In contrast, the vagus, oculomotor, and glossopharyngeal nerves all have parasympathetic components that regulate functions such as heart rate, pupil constriction, and salivation.
The nurse practitioner is reviewing the chart of a patient who is scheduled to receive their first dose of sumatriptan (Imitrex) in the clinic today. Past medical history is positive for only migraines. Which of the following requires further evaluation before the medication is administered?
- A. Recent naproxen (Naprosyn) use
- B. Current blood pressure 142/90 mmHg
- C. Resting pulse rate of 61 bpm
- D. Adverse reaction to ubrogepant (Ubrelvy)
Correct Answer: B
Rationale: The correct answer is B: Current blood pressure 142/90 mmHg. Before administering sumatriptan, the nurse practitioner should further evaluate the patient's elevated blood pressure to ensure it is not contraindicated for the medication. Sumatriptan can potentially increase blood pressure, so it is crucial to monitor and address any hypertension before giving the medication.
Choice A: Recent naproxen use is not a direct contraindication for sumatriptan. Both medications are commonly used together for migraine treatment.
Choice C: A resting pulse rate of 61 bpm is within the normal range and does not require further evaluation before administering sumatriptan.
Choice D: Adverse reaction to ubrogepant is not relevant for evaluating the safety of sumatriptan. Each medication has its own set of potential side effects and interactions.
While gathering equipment after an injection, a nurse accidentally received a prick from an improperly capped needle. To interpret this sensation, which of these areas must be intact?
- A. Corticospinal tract, medulla, and basal ganglia
- B. Pyramidal tract, hypothalamus, and sensory cortex
- C. Lateral spinothalamic tract, thalamus, and sensory cortex
- D. Anterior spinothalamic tract, basal ganglia, and sensory cortex
Correct Answer: C
Rationale: The correct answer is C: Lateral spinothalamic tract, thalamus, and sensory cortex. The lateral spinothalamic tract carries pain and temperature sensations to the thalamus, which then relays it to the sensory cortex for interpretation. In this scenario, the nurse's sensation of being pricked by the needle is a pain sensation, so the intactness of the lateral spinothalamic tract, thalamus, and sensory cortex is crucial for interpreting this sensation.
Choices A, B, and D are incorrect because they do not involve the specific pathways responsible for transmitting pain sensations. The corticospinal tract (choice A) is involved in motor function, the pyramidal tract (choice B) is involved in voluntary movement, and the anterior spinothalamic tract (choice D) is not associated with pain and temperature sensations. Therefore, the correct answer is C as it directly relates to the interpretation of the pain sensation experienced by the nurse.