49 prac

Which would be present in an animal with a nerve net

radial symmetry

What is the DIFFERENCE between a neuron and a nerve?

They consist of different numbers of cellular components.

A neuron that transmits an impulse to the central nervous system after the neuron is stimulated by the environment is called a(n) _____

sensory neuron

Which of the following is specific to the central nervous system

integration

Which of the following is a true statement regarding a reflex response?

t requires a sensory neuron, an interneuron, and motor nerves.

Which class of glial cells contribute most to the formation of the blood-brain barrier?

astrocytes

The glia cells present throughout the vertebrate central nervous system include __________.

microglia

astrocytes

oligodendrocytes

Schwann cells

Which of the following systems includes all the others

peripheral nervous system (PNS)

While sitting quietly watching television, you suddenly hear the sound of glass breaking. Which of the following is responsible for your resulting rapid heartbeat

sympathetic division of the ANS

The gray matter of the cerebral cortex, where most higher-level thinking occurs, is composed mostly of _______

neuron cell bodies

Which of the following structures constitutes the mammalian forebrain

thalamus, epithalamus, hypothalamus, and cerebrum

A physician friend tells you about a patient with a head injury who suddenly stopped breathing during the examination. What portion of the brain was probably injured

medulla oblongata

s you start to pick up your biology book, you suddenly realize that it is much heavier than you expected. Which of the following brain regions is responsible for the rapid adjustment of muscle force that allows you to pick up the book smoothly?

cerebellum

One of the functions of the __________ is monitoring breathing centers in the medulla.

pons

The main input center for sensory information going to the cerebrum is the ________

thalamus

A man is admitted to the hospital suffering from an abnormally low body temperature, a loss of appetite, and extreme thirst. A brain scan shows a tumor located in the _______

hypothalamus

In humans, the part of the brain that increases in size and complexity most significantly during the second and third month of embryonic development is derived from the embryonic _____

forebrain

The corpus callosum connects the _____

right and left cerebral hemispheres

An important concept in biology is that evolution is a process that remodels ancestral body plans. Developmental sequences in embryos often display evidence of evolutionary relationships. Using this evidence, which part of the brain was most prominent in early vertebrates?

the hindbrain

The limbic system is involved in ____

emotion and memory

As a child you stepped on a wasp's nest and were stung numerous times. Many years later, you see a wasp's nest and immediately your heart begins racing and you break out in a cold sweat. This "emotional memory" is stored in what part of your brain?

the amygdala

Which of the following parts of the nervous system would allow you to discover the qualities of a mouthful of black pepper

somatosensory cortex

Damage to the occipital lobe would be most likely result in ______

visual impairment

he auditory (hearing) centers are located in the _____

temporal lobes of the cerebral cortex

Which of the following is NOT regulated by the association areas in the cerebral cortex?

balance

After a stroke, Bill can feel his left leg but is unable to move it. His neurologists suspect damage to the ___

frontal lobe = voluntary control

The developing embryonic brain is shaped by ___

the selective elimination in neurons and synapses

A car accident victim presents with no memory of the accident or events following the accident, but can clearly recall events that occurred prior to the accident. Neurologists thus suspect damage to the ____

hippocampus

Which of the following neurotransmitters is most closely associated with schizophrenia, addiction, and Parkinson's disease

dopamine

aking illegal amphetamines ("speed") can induce symptoms similar to which of the following?

schizophrenia

Which of the following is caused by the death of specific neurons in the brain that release dopamine

Parkinson's disease