ATI LPN
Quizlet Adult Medical Surgical Head Injury Monitoring Neurological Status Questions
Question 1 of 5
Which of the following is best described as an elongated, encapsulated receptor found in the dermal pegs of glabrous skin that is especially abundant on lips and fingertips?
Correct Answer: C
Rationale: Meissner corpuscles are elongated, encapsulated receptors in glabrous skin dermal pegs, abundant on lips and fingertips, detecting light touch. TMP13 pp. 596, 607-608
Question 2 of 5
The highest degree of pain localization comes from which of the following?
Correct Answer: A
Rationale: Simultaneous tactile and pain stimulation enhances pain localization accuracy. TMP13 p. 624
Question 3 of 5
A 23-year-old gymnast lifts her right leg above her head while in the standing position. Activation of a single pyramidal cell in the motor cortex leads to stimulation of 2000 muscle fibers in her right quadriceps muscle. Which of the following best describes the type of neuronal circuitry activated in this woman when she lifts her leg?
Correct Answer: B
Rationale: Diverging circuitry amplifies signals from one neuron to many muscle fibers. TMP13 p. 602
Question 4 of 5
A 6-year-old boy with albinism is taken to the ophthalmologist because of difficulty seeing. Testing shows that his visual acuity is reduced. Which of the following is the most likely cause of the decrease in visual acuity in this boy?
Correct Answer: D
Rationale: Albinism causes photophobia due to reduced melanin, scattering light and reducing acuity. TMP13 pp. 648-649
Question 5 of 5
When parallel light rays pass through a concave lens, which of the following will occur?
Correct Answer: B
Rationale: A concave lens diverges light rays. TMP13 p. 636