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Cerebral Cortex and Brain Structures Quiz

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Cerebral Cortex and Brain Structures Quiz

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Questions and Answers

What is the role of the thalamus in sensory processing?

It acts as a gateway to the cortex (correct)

It is a dopaminergic hotspot

It releases inhibitors of apoptosis proteins

It is responsible for voluntary movement

What is the function of the ventral tegmental area?

It prevents apoptosis in neurons

It is responsible for motivational behaviors (correct)

It regulates voluntary movement

It increases grey matter volume in the hippocampus

How does genetic interference with ephrin signaling affect brain size?

It decreases brain size by inhibiting caspases

It has no impact on brain size

It increases brain size by promoting apoptosis

It alters brain size by dysregulating apoptosis (correct)

Which proteins are involved in blocking apoptosis?

Bcl-2 proteins Signup and view all the answers

What is the main function of Caspases in apoptosis?

To cut up proteins and DNA Signup and view all the answers

How does Apoptosis help prevent brains from being too large to fit inside the skull?

By dismantling cells through caspases Signup and view all the answers

What type of sensory information do the dorsal columns in the spinal cord primarily relay?

Somatic ascending sensory (touch) information Signup and view all the answers

Which part of the spinal cord is responsible for coordinating movements and starting the analysis of sensory information?

Ventral columns Signup and view all the answers

What is the function of the Peripheral Nervous System (PNS) in relation to the brain and spinal cord?

Relay sensory information to and from the skin, joints, and muscles Signup and view all the answers

Which part of the meninges is described as having a 'leather-like consistency' and is known as the 'hard mother'?

Dura mater Signup and view all the answers

What is the specialized tissue in the ventricles that secretes cerebrospinal fluid (CSF)?

Choroid plexus Signup and view all the answers

Which effector system involves G-protein activation of PLC to generate DAG and IP3, ultimately activating different effectors?

G-Protein-Coupled Effector Systems Signup and view all the answers