ATI LPN
Medical-Surgical Nursing Neurological System Questions
Question 1 of 5
Being present during a code can assist family members in:
Correct Answer: D
Rationale: Family presence (D) helps them see all efforts were made, aiding closure.
Question 2 of 5
A patient with a head injury has an intracranial pressure (ICP) of 18 mmHg. The blood pressure is 144/90 mm Hg, and mean arterial pressure (MAP) is 108 mmHg. What is the cerebral perfusion pressure (CPP)?
Correct Answer: A
Rationale: CPP = MAP - ICP = 108 - 18 = 90 mmHg (A), ensuring adequate brain perfusion.
Question 3 of 5
When leg muscles respond to a stimulus by moving the foot, the response depends most directly on the functioning of
Correct Answer: D
Rationale: Nerves transmit signals for muscle movement. Others are unrelated to motor response. [Level: Knowledge]
Question 4 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 5 of 5
A client returns to unit following a craniotomy for removal of brain tumor and is obtunded but arouses to painful stimuli. Which assessment is most important for the nurse to obtain?
Correct Answer: D
Rationale: Obtunded state post-craniotomy suggests possible increased ICP; BP/pulse trends indicate stability or deterioration. Others are secondary. [Level: Analysis]