Neuroscience Step 1 QBank Free Sample

A 25-year-old female presented to the emergency room complaining of muscle weakness and decreased sensation in her right upper and lower limbs. The neurological exam indicated there was increased reflexes and loss of touch on her right upper and lower limbs with the loss of pain and temperature on her left upper and lower limbs. The right eyelid had a slight droop, and the right pupil was constricted.  A lesion in which of the following areas would result in these clinical findings?

A neuroradiology exam identified a meningeal tumor that was pressing on the left side of the dorsal funiculus at the T8 level of the spinal cord. Which of the following deficits would be expected in this patient?

A patient was brought to the emergency room following blunt trauma to the back. Radiology indicated damage to the T3 -T4 segments of the spinal cord. Which of the following autonomic clinical signs would most likely result from this lesion:

Damage to the neuron cell bodies in the outer lamina of the right dorsal horn of several mid-thoracic spinal cord segments would interrupt projection of fibers to which of the following?

A 30-year-old male was identified with infertility issues. The clinical work up indicated there was decreased emission that was determined to be due to neurological spinal cord lesions. Damage to which of the following areas of the spinal cord would most likely result in infertility?

A patient goes to the physician complaining of having a dry mouth. In addition, there was a very weak gag response noted. A lesion to which of the following could be the basis for the dry mouth?

A 76-year-old female is admitted to the emergency room following a vascular stroke of the brainstem. The clinical exam showed that there was loss of pain and temperature on the right side of the face and loss of pain and temperature on the left upper and lower limbs. There were also some signs of a left pathological, horizontal nystagmus. The muscles around the right eye and mouth showed normal strength. Which of the following clinical signs would also be expected in this patient?

The neurons in the striatum that project through the indirect pathway result in which of the following?

A 79-year-old male with long-term, excessive alcohol use presents with progressive gait movement problems. He walks with a stumbling gait ataxia with repeated falls. His stumbling gait appears as if he was drunk. An MRI would demonstrate atrophy and damage to which of the following?

A patient has a tumor pressing on the hypothalamus and shows signs of diabetes insipidus associated with decreased formation of vasopressin.  Which nucleus of the hypothalamus was damaged?