ATI LPN
Quizlet Adult Medical Surgical Head Injury Monitoring Neurological Status Questions
Question 1 of 5
A 54-year-old male presents with difficulty in eating and drinking, and worsening hand-writing. This has been stressful for him as he has been continuously working on a novel that is due for publishing in a few weeks. He notes that alcohol improves his symptoms and relieves his stress. Medical history in noncontributory. Family history is significant for similar symptoms in his father, but cannot recall the name of the diagnosis. Physical examination shows a tremor of the hand, of medium frequency that worsens with his arms outstretched. Mild titubation is also noted on exam. Which of the following is the best initial treatment option for this patient?
Correct Answer: A
Rationale: Postural tremor worsened by action, improved by alcohol, and familial history suggest essential tremor. Beta-blockers (e.g., propranolol) are the first-line treatment, reducing tremor amplitude.
Question 2 of 5
The part of the brain responsible for unconscious bodily functions is the:
Correct Answer: C
Rationale: The brain stem regulates unconscious functions like breathing, heart rate, and digestion, essential for survival.
Question 3 of 5
Action potentials relay different intensities of information due to the
Correct Answer: B
Rationale: Action potentials are all-or-none, but their frequency increases with stimulus intensity, encoding strength via rate coding.
Question 4 of 5
The simplest animals to display cephalization and centralization of the nervous system are
Correct Answer: B
Rationale: Flatworms (e.g., planarians) show cephalization (head with nerve concentration) and a simple centralized nervous system, unlike sponges or cnidarians.
Question 5 of 5
The brain of humans is strongly oriented toward the interpretation of
Correct Answer: B
Rationale: Humans have a highly developed visual cortex, emphasizing vision as a primary sensory modality.