A&P: CNS Quiz

True or False: The right cerebral hemisphere controls the muscles in the right hand responsible for writing.

False

In the brainstem, has auditory and visual reflex centers

Midbrain

What does the brain stem consist of?

Midbrain, pons and medulla oblogata

What are fissures?

A deep groove on the surface of the brain

What are sulci?

A shallow groove on the surface of the brain

What is the cerebellum?

Area toward the back of the brain

What is the pia mater?

Attached to the surface of the brain and spinal cord

What is the CNS made up of?

Brain and Spinal cord

Composed of three parts, the ____________ provides basic life support functions including roles in the cardiovascular and respiratory systems.

Brain stem

Part of the brain responsible for breathing, blood pressure, and breathing

Brain stem

Regulates visceral activities and involuntary responses; connects diencephalon to spinal cord

Brain stem

The brain is connected to the spinal cord via the ____________ .

Brain stem

The central nervous system is composed of two organs, the superior ____________ and the inferior ____________ .

Brain, Spinal Cord

The brain and the spinal cord make up the _____ nervous system.

Central

Coordinates voluntary muscle movement

Cerebellum

What part of the brain is responsible for coordination and balance?

Cerebellum

The largest portion of the brain is the ____________ , which controls voluntary muscle movement, sensory integration, and personality.

Cerebrum

What makes up the bulk of the brain?

Cerebrum

The brain consists of the ____________ , diencephalon, brainstem, and ____________ , the most posterior-inferior portion.

Cerebrum, Cerebellum

What is the order of the regions of the spinal cord from superior to inferior?

Cervical, thoracic, lumbar, sacral, and coccygeal

The nervous system, with its sensory receptors, detects ____________ in the internal and external environment of the body.

Changes

What is the name of the specialized capillaries that secrete cerebrospinal fluid?

Choroid plexuses

What is the function of the corpus coliseum?

Connects the 2 hemispheres

What is the function of the PNS?

Connects the CNS to the rest of the body

What is the function of the brain stem?

Connects the brain to the spinal cord

Collection of myelinated axons which connect cerebral hemispheres

Corpus callosum

One of the four major portions of the brain; surrounds third ventricle

Diencephalon

What is the order of the meninges?

Dura mater, arachnoid, and pia mater

What lobe is responsible for problem solving?

Frontal

What are sensory receptors?

Gather information and convert it into nerve impulses

What are pons?

Helps the brain and spinal cord communicate and responsible for breathing rates

In the diencephalon, links the endocrine to the neural systems

Hypothalamus

The ____________ is considered the autonomic control center of the body due to its regulation of hormonal secretion and heart rate.

Hypothalamus

The nervous system sends information via a network of cells using electrical signals called ____________ .

Impulses

What are the functions of gyri, sulci, and fissures?

Increase surface area

What is the cerebrum?

Largest part of the brain

What is diencephalon?

Lies between the cerebral hemispheres and above the membrane

Comprised of parts of the cerebral cortex, diencephalon, and other deep nuclei, the ____________ represents the area of emotional control.

Limbic System

What is the hypothalamus?

Links endocrine and nervous system

What is the PNS?

Made up of nerves

What is the function of the hypothalamus?

Maintains homeostasis

In the brainstem, controls vital visceral activities

Medulla oblongata

What are meninges?

Membranes that cover and protect the brain and spinal cord

What is the function of the cerebellum?

Motor coordination and balance

What is the nervous system composed of?

Neurons and neuroglia

Lobe responsible for visual

Occipital

What lobe functions in information processing, cognition, and speech?

Parietal

In the brainstem, helps maintain breathing

Pons

What is the function of the cerebrum?

Reasoning, memory, and voluntary responses

The ____________ is the alert system of the body because of the tracts that provide communication between lower and higher brain regions.

Reticular formation

What are gyri?

Ridge or convolution on the surface of the brain

The left half of the brain controls which side of the body?

Right side

What are ventricles?

Series of connected cavities within the cerebral hemispheres and brain stem

Motor functions can be divided into ______ and ______ nervous systems.

Somatic and Automatic

The ____________ provides two-way communication between the central nervous system and the peripheral nervous system.

Spinal Cord

What lobe stores memory?

Temporal

In the diecephalon, is a relay area for sensory impulses

Thalamus

What are the main parts of diencephalon?

Thalamus and hypothalamus

The majority of all afferent pathways pass through and synapse with neurons of the ____________ .

Thalmus

What is the cerebral cortex?

Thin layer of gray matter

What is the arachnoid?

Thinnest layer of meninges that does not have its own blood vessels

What is the dura mater?

Though covering over entire brain

What is the function of the medulla oblongata?

Transmits ascending and descending impulses between the brain and the spinal cord

What is integrative function?

When sensory impulses are brought together and create sensation, add to memory or produce thought in the brain

What is the correct order of meninges from superficial to deep?

dura mater, arachnoid mater, pia mater

By initiating responses to these changes in the body, the nervous system works to maintain ____________ .

homeostasis