ATI RN
Test Questions on Autonomic Nervous System MCAT Questions
Question 1 of 5
The nurse is assessing the cranial nerve (CN) function of a college athlete following a head injury. The client can positively identify the aroma of coffee, cloves, and ammonia. The nurse would record that which of the following cranial nerves is functional?
Correct Answer: A
Rationale: CN I (olfactory) mediates smell, as demonstrated by identifying aromas. CN II (optic) is for vision, CN III (oculomotor) and CN IV (trochlear) control eye movement.
Question 2 of 5
A family of a client with a subarachnoid hemorrhage asks the nurse for an explanation of this diagnosis. The nurse explains that the client is bleeding into what area of the brain?
Correct Answer: C
Rationale: Subarachnoid hemorrhage is bleeding into the subarachnoid space (between arachnoid and pia mater). Other options describe epidural or ventricular bleeds.
Question 3 of 5
The thalamus is located in the:
Correct Answer: C
Rationale: The thalamus is a major structure in the diencephalon, part of the forebrain, acting as a relay station for sensory and motor signals. It is not in the telencephalon (cerebrum), mesencephalon (midbrain), metencephalon (pons/cerebellum), or myelencephalon (medulla).
Question 4 of 5
Brain waves common to a healthy, sleeping person and a brain-damaged, awake person are called:
Correct Answer: B
Rationale: Delta waves (slow, high-amplitude) occur in deep sleep in healthy individuals and can appear in awake brain-damaged patients, indicating dysfunction. Alpha (relaxed), beta (alert), and theta (light sleep) have different contexts.
Question 5 of 5
The capillary network which develops in the roofs of the third and fourth ventricles is called the:
Correct Answer: A
Rationale: The choroid plexus is a network of capillaries in the ventricles (third and fourth) that produces cerebrospinal fluid (CSF). The circle of Willis is an arterial ring, and the other terms are incorrect or fictional.