Exam 4 New Quiz 1

What are the two main cell types in nervous tissue?

• Neurons and blood cells
• Neurons and glial cells
• Axons and dendrites
• Neurotransmitters and hormones

What does the CNS consist of?

• Brain and spinal cord
• Brain and nerves
• Spinal cord and ganglia
• Nerves and muscles

What is the approximate ratio of neurons to glial cells in the CNS?

• 50% Neurons to 50% Gilal Cells
• 90% Neurons to 10% Gilal Cells
• 25% Neurons to 75% Gilal Cells
• 10% Neurons to 90% Gilal Cells

Which meninge directly touches the brain?

• Dura mater
• Arachnoid mater
• Pia mater
• Periosteum

Which meninge directly touches the skull?

• Pia mater
• Arachnoid mater
• White matter
• Dura mater

What flows through the subarachnoid space?

• Blood
• Interstitial fluid
• Cerebrospinal fluid
• Plasma

Which of the following is NOT a function of CSF?

• Buoyancy and cushioning
• Ion balance
• Chemical buffering
• Developing new neurons

Which artery supplies most blood to the posterior brain?

• Internal carotid
• Vertebral
• Anterior cerebral
• Middle cerebral

Which artery supplies most blood to the anterior brain?

• Vertebral
• Posterior cerebral
• Internal carotid
• Basilar

Interrupted blood flow to the brain has caused neuronal death.

• Stroke
• Heart attack
• Diabetes
• ALS