ATI LPN
Neurological Assessment Questions Questions
Question 1 of 5
A physician friend of yours is telling you about a patient with a head injury who suddenly stopped breathing. Your friend explains that the bony rim was pressing against the breathing center. You guess that the 'bony rim' (whatever that is) must have been exerting pressure in the region of the
Correct Answer: D
Rationale: The medulla oblongata in the brainstem controls breathing; pressure here (e.g., from a skull fracture) could halt respiration.
Question 2 of 5
The term central nervous system refers to the:
Correct Answer: C
Rationale: The central nervous system (CNS) consists of the brain and spinal cord, excluding cranial nerves (part of the PNS except CN II and retina).
Question 3 of 5
Which one of the following is the correct sequence of events that follows a threshold potential: 1. the membrane becomes depolarized, 2. sodium channels open and sodium ions diffuse inward, 3. the membrane becomes repolarized, 4. potassium channels open and potassium ions diffuse outward while sodium is actively transported out of the cell
Correct Answer: B
Rationale: The sequence is: Na⁺ channels open (2), depolarization occurs (1), K⁺ channels open and Na⁺ is pumped out (4), repolarization follows (3).
Question 4 of 5
Loss of muscle coordination results from damage to the:
Correct Answer: C
Rationale: The cerebellum coordinates muscle movements and balance; damage causes ataxia.
Question 5 of 5
Accommodation is
Correct Answer: A
Rationale: Accommodation adjusts the lens shape via ciliary muscles to focus light on the retina for near or far objects.