Brain Structure Assignment - BIO329 Spring 2024

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What is the primary function of the brain stem?

Maintaining important functions like breathing, consciousness, blood pressure, heart rate, and sleep (correct)

Improving motor skills and detecting errors in movements

Regulating thoughts, actions, and emotions

Receiving and integrating visual information

What is the main role of the prefrontal cortex?

Regulating thoughts, actions, and emotions through connections to other parts of the brain (correct)

Improving motor skills and adjusting movements

Receiving and integrating visual information

Generating signals to direct the movement of the body

What is the primary function of the motor cortex?

Regulating thoughts, actions, and emotions through connections to other parts of the brain

Improving motor skills and adjusting movements

Generating signals to direct the movement of the body, including the primary motor cortex, premotor cortex, and supplementary motor area (correct)

Maintaining important functions like breathing, consciousness, blood pressure, heart rate, and sleep

What is the main function of the primary visual cortex?

Responsible for receiving and integrating visual information and sending it to other regions of the brain Signup and view all the answers

What is the primary role of the ventricles in the brain?

The ventricles store and produce cerebrospinal fluid (CSF) and are responsible for keeping the CSF moving Signup and view all the answers

What is the main function of the cerebellum?

The cerebellum helps improve motor skills in individuals by detecting errors in movements and adjusting the next movement, which strengthens the connections from the brain to the body Signup and view all the answers

What is the primary function of the thalamus?

Relays information about the body's senses to the rest of the brain Signup and view all the answers

Which brain structure is responsible for long term memory?

Hippocampus Signup and view all the answers

How many cranial nerves connect the brain to other parts of the face, neck, and body?

12 Signup and view all the answers

In cases of traumatic brain injury (TBI), why is it important to identify the extent of the injury?

To provide timely intervention and management Signup and view all the answers

What type of scan is typically done on a traumatic brain injury patient once they arrive at the hospital?

CT (computerized tomography) scan Signup and view all the answers

What is the main function of the hypothalamus in the brain?

Provides a link between the central nervous system and the endocrine system Signup and view all the answers

What can a CT scan show related to traumatic brain injuries?

Bleeding, swelling, and pressure in the brain Signup and view all the answers

What is the term used to describe the collection of blood between the brain and the inner layer of the skull as seen in Taylor's CT scan?

Epidural hematoma Signup and view all the answers

What was the shape of the high-density collection of blood seen in Taylor's CT scan?

Biconvex, lens shaped Signup and view all the answers

Where was the build-up of blood located in Taylor's head according to the CT scan results?

Between the dura mater and skull Signup and view all the answers

What can physicians determine by looking at a CT scan of a traumatic brain injury patient?

Best course of action and possible functional difficulties Signup and view all the answers

What is one of the potential outcomes of an epidural hematoma like the one observed in Taylor's CT scan?

Memory loss Signup and view all the answers

What is the main focus of treatment for an epidural hematoma?

Draining the blood from the brain Signup and view all the answers

Which part of the hindbrain is also considered part of the brainstem?

Pons Signup and view all the answers

Where does the cerebrospinal fluid (CSF) pass through after being produced before it is absorbed into the bloodstream?

Central Nervous System Signup and view all the answers

What is the fate of tissues derived from the neural crest during embryonic development?

Give rise to various components in the Peripheral Nervous System Signup and view all the answers

Which type of cells provide the myelin sheath for optic nerve axons?

Oligodendrocytes Signup and view all the answers

Why are Schwann cells not responsible for myelinating optic nerve axons?

They are only found in the peripheral nervous system Signup and view all the answers