Exam 13: The Chemical Senses of Taste and Smell

During the lumbar puncture it was noted that the intracranial pressure of the woman was normal. Which of the following most precisely indicates normal intracranial pressure in an adult?

After returning from her trip to Taiwan, a 28-year-old woman complains to her family physician of a headache, neck pain, and a fever. The physician orders a lumbar puncture. Which of the following most accurately indicates the normal white blood cell count in adult CSF?

After returning from a wildlife tour of Africa, a 22-year-old man experiences headaches, fever, stiff neck, and lethargy. Lumbar puncture reveals increased white blood cell count and reduced glucose levels. This patient is likely suffering from which of the following?

Small ligaments that connect the pia to the arachnoid and dura mater are called

Which of the following is the most common cause of this illness in adults?

A 47-year-old woman complains to her family physician of recurrent headaches that have worsened over the past 6 months. A magnetic resonance image reveals a mass within the middle cranial fossa. Which cranial nerves innervate the dura in this region?

Which of the following would most likely account for the hypodense appearance of the fluid?

During a head and neck dissection, a group of medical students remove the cerebrum, inadvertently leaving behind the cerebellum. Which of the following structures caused the cerebellar hemispheres to become separated from the brain?

A developmental biologist is interested in the developmental patterning of the leptomeninges. Which of the following structures are referred to as the leptomeninges?

In order to determine if a new drug will cross the blood-brain barrier, a research scientist tags it with a dye and then injects it into the vascular system of a rat. Examination of the sectioned brain indicates that the dye was not detected in the brain tissue. What is the most likely explanation of this observation?

A 5-year-old boy is diagnosed with a choroid plexus papilloma. Based on this diagnosis, what condition is this patient likely to have?

A 65-year-old woman complains to her family physician of increasing weakness in her lower limbs. A magnetic resonance image indicates a calcified mass along the falx cerebri. What is the most likely diagnosis of this mass?

An anthropologist observes several small pits along the groove for the superior sagittal sinus in a human calvaria. What structure most likely contributed to the formation of these pits?

What is the total volume of CSF produced by a normal adult in one day?

Large quantities of CSF collect in cisterns present throughout the central nervous system. These cisterns are formed in which of the following structures?

The head CT of a 74-year-old man indicates a hypodense crescent-shaped accumulation of fluid over the left hemisphere. This patient is most likely suffering from which of the following?

The collection of modified ependymal cells that produce CSF within the ventricular system of the brain is referred to as the

Which part of the ventricular system is located adjacent to the thalamus and hypothalamus?