Neuro Exam 1 Review

Front

What is the primitive streak and what does it mark the beginning of?

Back

The primitive streak is a structure that forms in the epiblast during early embryonic development, marking the beginning of gastrulation.

Front

True or False: Most thalamic nuclei are relay nuclei.

Back

True

Front

True or False: The precentral gyrus and postcentral gyrus are separated by the central sulcus.

Back

True

Front

What pathology could a patient with lower extremity weakness, sensory loss, bowel/bladder dysfunction, and asymmetric growth of legs/feet have?

Back

Tethered Cord Syndrome.

Front

Where are gap junctions found in the adult nervous system?

Back

Gap junctions are found in the cerebellum.

Front

Define gastrulation.

Back

Gastrulation is the process during embryonic development that transforms the single-layered blastula into a multi-layered structure called the gastrula.

Front

What is the role of the thalamus in the brain?

Back

The thalamus acts as a relay station for sensory and motor signals to the cerebral cortex.

Front

What is the function of the precentral gyrus?

Back

The precentral gyrus is responsible for the primary motor function, controlling voluntary movements.

Front

What is the function of the postcentral gyrus?

Back

The postcentral gyrus is responsible for processing somatosensory information from the body.

Front

What is Chiari Malformation?

Back

Chiari Malformation is a condition where brain tissue extends into the spinal canal, often causing headaches and neurological symptoms.