Anatomy of the Head and Neck: Brain Structure

What is the limbic system often referred to as?

The motor brain
The emotional brain (correct)
The sensory brain
The cognitive brain

Which structure connects the hippocampus to the mammillary bodies?

Amygdala
Corpus callosum
Cingulate gyrus
Fornix (correct)

What is the name of the group of interconnected nuclei located within the subcortical region at the base of the forebrain?

Basal ganglia (correct)
Limbic system
Cerebral cortex
Hippocampal formation

Which structure gets its name from its resemblance to a sea horse?

Hippocampus (A) Signup and view all the answers

What is the name of the nucleus that is lens-shaped and located within the internal and external capsules?

Lentiform nucleus (C) Signup and view all the answers

Which structure is C-shaped and sits in the wall of the lateral ventricle?

Caudate nucleus (B) Signup and view all the answers

Where is the hypothalamus located in the brain?

Between the optic chiasm and mammillary bodies (B) Signup and view all the answers

What is the function of the brainstem?

To connect the forebrain to the spinal cord (C) Signup and view all the answers

What is the main function of the cerebellum?

To control motor movements (A) Signup and view all the answers

What is the purpose of the meninges?

To protect the brain and spinal cord (C) Signup and view all the answers

What is the brainstem composed of?

The mesencephalon and rhombencephalon (C) Signup and view all the answers

What is the role of the optic chiasm?

To transmit visual information (B) Signup and view all the answers

What is the result of the failure of the anterior neuropore to close during embryonic development?

Anencephaly (C) Signup and view all the answers

Which of the following is NOT a derivative of neural crest cells?

Muscle cells of the heart (D) Signup and view all the answers

What is the term for the cavity within the neural tube that later develops into the ventricles and central canal?

Lumen (C) Signup and view all the answers

Which of the following brain regions develops from the rhombencephalon?

Hindbrain (A) Signup and view all the answers

What is the term for the layer of cells that lines the ventricles in the brain?

Ependymal layer (B) Signup and view all the answers

What is the main component of gray matter in the central nervous system?

Neuronal cell bodies (B) Signup and view all the answers

What is the purpose of the ventricular system in the brain?

To produce and contain cerebrospinal fluid (A) Signup and view all the answers

What is the name of the narrow passageway that connects the 3rd ventricle to the 4th ventricle?

Cerebral aqueduct (B) Signup and view all the answers

What is the term for a build-up of blood between the dura mater and the arachnoid mater?

Subdural haemorrhage (C) Signup and view all the answers

What is the term for a type of haemorrhage that occurs between the skull and the dura mater?

Extradural haemorrhage (B) Signup and view all the answers

What is the primary function of the arachnoid granulations?

To absorb cerebrospinal fluid (D) Signup and view all the answers

Which sinus is responsible for reabsorbing cerebrospinal fluid into the systemic veins?

Superior sagittal sinus (C) Signup and view all the answers

What is the shape of the falx cerebri?

It is narrow at the front and broad at the back (C) Signup and view all the answers

What is the function of the venous sinuses?

To receive blood from the brain and drain into the internal jugular vein (B) Signup and view all the answers

What is the location of the tentorium cerebelli?

Between the occipital lobes and cerebellar hemispheres (D) Signup and view all the answers

What is the location of the cavernous and petrosal sinuses?

In the petrous region of the sphenoid bone (A) Signup and view all the answers

What is the risk of cavernous sinus infections?

They can spread easily from the face, eye or nose (C) Signup and view all the answers

What is the function of the falx cerebelli?

To separate the cerebellar hemispheres (C) Signup and view all the answers