Neuroanatomy S1 overview MCQ

The organ of Corti is located within which part of the cochlear?

• Scala vestibuli

• Scala tympani

• Scala media

• None of the above

Cristae are located within the

• Ampulla

• Macula

• 
  Organ of corti

• None of the above

Why do you lose hearing if the endolymph inside the cochlear breaches the vestibular membrane?

• Compression of the organ of corti

• Organ of corti is depolarised

• Organ of corti is hyperpolarised

• None of the above

Which of the following conditions can result from an imbalance in cerebrospinal fluid production and absorption?

• Stroke

• Meningitis

• Hydrocephalus

• Alzheimer's disease

What is the primary function of the blood-CSF barrier in the central nervous system?

• 
  Nutrient transport

• Filtration of blood components

• Regulation of blood pressure

• Synthesis of cerebrospinal fluid

Where is the primary location of the blood-CSF barrier in the central nervous system?

• In the subarachnoid space

• 
  Within the gray matter

• Along the spinal cord

• Within the brain ventricles

The cerebral aqueduct connects which ventricles together?

• Lateral ventricles

• Lateral ventricles with the 3rd ventricle

• 
  3rd ventricle with the 4th ventricle

• 1st with the 2nd ventricles

The foramen luschka is

• lateral to the 1st ventricle

• lateral to the 3rd ventricle

• lateral to the 4th ventricle

• lateral to the lateral ventricle

Which primary neurotransmitter binds onto the GPi?

• Noradrenaline

• Dopamine

• GABA

• Glutamate

D1 and D2 receptors are located where in the basal ganglia?

• Putamen

• Substantia nigra

• Subthalamic nucleus

• All of the above