ATI LPN
Medical Surgical Neurology Questions
Question 1 of 5
The nurse assesses a patient with an ETT and mechanical ventilation whose high peak pressure alarm is sounding. What is the cause of this alarm?
Correct Answer: B
Rationale: High peak pressure often results from ETT obstruction (B), e.g., biting or kinking.
Question 2 of 5
The defecation reflex is a parasympathetic polysynaptic reflex that leads to elimination of feces through relaxation of the internal anal sphincter. Where is(are) the synapses in this reflex arc located?
Correct Answer: A
Rationale: PNS defecation reflex synapses occur in the spinal cord lateral horn (S2-S4) and intramural ganglia in the gut wall. Collateral ganglia are SNS-related. [Level: Comprehension]
Question 3 of 5
How many lobes are in each cerebral hemisphere?
Correct Answer: C
Rationale: Each hemisphere has four lobes: frontal, parietal, temporal, occipital. [Level: Knowledge]
Question 4 of 5
Acute soft-tissue injuries (i.e. sprains, strains) provide the nurse with a variety of teaching opportunities. Which instruction should the nurse provide to a client with a soft-tissue injury?
Correct Answer: C
Rationale: RICE (Rest, Ice, Compression, Elevation) is standard; ice reduces swelling initially. A is rare, B too early, D is later. [Level: Application]
Question 5 of 5
The nurse is preparing to administer enoxaparin 90 mg subcutaneously daily to a client with pulmonary embolism. The pharmacy provides a prefilled syringe labeled, “Enoxaparin 100 mg/1 mL” How many milliliters should the nurse administer?
Correct Answer: A
Rationale: Dose: 90 mg from 100 mg/mL = 90/100 = 0.9 mL. [Level: Application]