ATI RN
Questions to Ask About Neurological System Questions
Question 1 of 5
Dysphagia, dyphonia, dysarthria together with tongue atrophy & depressed "gag" reflex is called like following:
Correct Answer: A
Rationale: Bulbar palsy is the correct answer because it results from damage to the lower motor neurons of the cranial nerves IX, X, and XII, which are located in the medulla oblongata. This condition leads to dysphagia, dysphonia, dysarthria, and tongue atrophy due to the loss of motor control in the muscles of the pharynx, larynx, and tongue.
Question 2 of 5
The following are true about the pupils:
Correct Answer: D
Rationale: Pupil size is largest in adolescence and decreases with age. Physiological anisocoria (unequal pupil size) is present in about 20% of the population. The latent period for the pupillary light reflex is typically 0.2 to 0.5 seconds.
Question 3 of 5
Area(s) in the visual cortex involved in colour vision include:
Correct Answer: D
Rationale: Area V8, also known as the colour centre, is specifically involved in colour vision. V1, V2, and V3 are involved in early visual processing but not exclusively in colour vision.
Question 4 of 5
The following are true about spectral sensitivity of the retina:
Correct Answer: D
Rationale: Scotopic sensitivity peaks at 500 nm, photopic at 555 nm, and a yellow background shifts sensitivity to 440 nm for a 25-Hz stimulus. All statements are correct.
Question 5 of 5
The client newly diagnosed with multiple sclerosis (MS) states, 'I don't understand how I got multiple sclerosis. Is it genetic?' On which statement should the nurse base the response?
Correct Answer: A
Rationale: MS has a genetic component that increases susceptibility, but environmental factors, such as viral infections, also play a significant role in its development.