ATI LPN
Medical-Surgical Nursing Neurological System Questions
Question 1 of 5
Impulses (action potentials) pass from one neuron to another at a microscopic gap, called a synapse, where they trigger release of chemical signal molecules, called:
Correct Answer: A
Rationale: Neurotransmitters bridge synapses. Hormones are systemic, others are intracellular. [Level: Knowledge]
Question 2 of 5
Magnesium hydroxide, 1.5 ounces P.O is prescribed for a client complaining of heartburn. After taking the prescribed dose 3 times today, how many mL of magnesium hydroxide has the client ingested?
Correct Answer: A
Rationale: 1.5 oz = 44.36 mL (1 oz ≈ 29.57 mL); 3 doses = 44.36 × 3 = 133.08 mL. [Level: Application]
Question 3 of 5
The nurse is conducting discharge teaching for a male client with a prescription for magnesium hydroxide 15 mL one time per day. His home medication cup is ounces. How many ounces should he take each dose?
Correct Answer: A
Rationale: 15 mL ≈ 0.5 oz (1 oz = 29.57 mL). [Level: Application]
Question 4 of 5
A client has a prescription for a viscous compound containing lidocaine HCL and diphenhydramine to relieve the discomfort of mucositis caused by radiation therapy. Which instructions should the nurse provide the client about administration of this prescription?
Correct Answer: D
Rationale: Mucositis affects oral mucosa; swishing numbs sores, swallowing is safe for this mix. Others are for external wounds. [Level: Application]
Question 5 of 5
A patient arrives in the emergency department with hemiparesis and dysarthria that started 2 hours previously. Health records show a history of several transient ischemic attacks (TIAs). What should the nurse anticipate for this patient?
Correct Answer: D
Rationale: Symptoms <3 hours suggest acute stroke; tPA is first-line if within window and ischemic. TIAs increase risk but don’t dictate C. [Level: Application]