ATI LPN
Medical Surgical Nursing Neurological Disorders Questions
Question 1 of 5
The excitatory or inhibitory action of a neurotransmitter is determined by which of the following?
Correct Answer: A
Rationale: The postsynaptic receptor determines whether a neurotransmitter excites or inhibits. TMP13 p. 582
Question 2 of 5
Vibratory sensation depends on the detection of rapidly changing, repetitive sensations. The high-frequency end of the repetitive stimulation scale is detected by which structure?
Correct Answer: C
Rationale: Pacinian corpuscles detect high-frequency vibrations. TMP13 p. 608
Question 3 of 5
Like other sensory systems, the somatosensory system has a descending component that functions to regulate the overall sensitivity of the system. Which of the following selections best describes the function of the corticofugal signals transmitted from the somatosensory cortex downward to the thalamus and dorsal column nuclei?
Correct Answer: A
Rationale: Corticofugal signals modulate signal intensity perception. TMP13 pp. 610-611
Question 4 of 5
Which of the following is the middle ear ossicle that is attached to the tympanic membrane?
Correct Answer: C
Rationale: The malleus attaches to the tympanic membrane. TMP13 p. 673
Question 5 of 5
Which substance is responsible for the umami taste sensation?
Correct Answer: D
Rationale: Glutamate elicits the umami taste sensation. TMP13 p. 686