MN 551 PATHO QUESTIONS AND
ANSWERS 2025
Which of the following factors is most responsible for the fact
that prefrontal lobotomy is no longer a common treatment for
mental illness? - correct answer- Individuals treated by
lobotomy have difficulty interpreting somatic, visual, and
auditory information.
Lobotomy inhibits the individual's ability to add perception and
meaning to sensory information.
******Severing connections between the brain and its prefrontal
areas inhibits problem solving and results in a loss of ambition.
Loss of communication to and from the prefrontal cortex
changes, but ultimately exacerbates, symptoms of mental
illness.
Which of the following questions is most likely to be clinically
useful in the differential diagnosis of sensorineural versus
conductive hearing loss? - correct answer- *******"What
medications do you currently take?"
"What effect is this hearing loss having on your quality of life?"
"Has your hearing loss developed quickly or more slowly?"
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"Do you ever hear a persistent ringing in your ears?"
Four weeks ago, an 83-year-old male fractured his femoral
head in a fall that was caused by orthostatic hypotension. His
care provider has stated that the healing process is occurring at
a reasonable pace, and that the man will regain full function
after healing and rehabilitation. Which of the following cells are
most responsible for restoring the integrity of the man's broken
bone? - correct answer- Osteocytes
Osteoclasts
*******Osteoblasts
Osteomas
Which of the following individuals demonstrates a health
problem with his or her axial skeleton? - correct answer- A 21-
year-old male who fractured his humerus while snowboarding
*******A 40-year-old man who has a contusion to the left
temporal bone of his skull following a motor vehicle accident
A 79-year-old female who has undergone hemiarthroplasty (hip
replacement surgery)
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A 30-year-old pregnant woman who has a separated pubic
symphysis
Which of the following statements most accurately
characterizes an aspect of the neurobiology of sleep? - correct
answer- The hypothalamus stimulates the anterior and
posterior pituitary to modulate sleeping-waking cycles.
The pituitary releases melatonin at predictable points in the
circadian rhythm in order to facilitate sleep.
The reticular formation, thalamus, and cerebral cortex interact
to integrate the sleep-wake cycle.
Input from the retinas is interpreted by the cerebellum and
contributes to maintenance of the circadian rhythm.
A woman with severe visual and auditory deficits is able to
identify individuals by running her fingers lightly over their face.
Which of the following sources is most likely to provide the
input that allows for the woman's ability? - correct answer-
Pacinian corpuscles
Ruffini end organs