ATI LPN
Neurological Assessment Questions Questions
Question 1 of 5
The gap between the transmitting and receiving neurons in a chemical synapse is known as the
Correct Answer: D
Rationale: The synaptic cleft is the small space between the presynaptic and postsynaptic neurons where chemical transmission occurs.
Question 2 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 3 of 5
Treatments for depression often include drugs that help correct imbalances in the levels of
Correct Answer: A
Rationale: SSRIs increase serotonin levels, addressing the neurotransmitter imbalance common in depression.
Question 4 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 5 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).