Question 1

Arousal of the sympathetic nervous system leads to a cascade of physiological responses also know as the

Accepted Answer

A)  rest and digest response 
B)  fight or flight response 
C)  tend and befriend response 
D)  fear and loathing response

Question 2

Action potentials can only occur once a neuron receives input beyond this.

Accepted Answer

A)  the threshold of stimulation 
B)  the resting potential 
C)  the active potential 
D)  the node of Ranvier

Question 3

This tubular bundle of nerve tracts is the communication pathway between the brain and the rest of the body.

Accepted Answer

A)  the peripheral nervous system 
B)  the spinal cord 
C)  the brain stem 
D)  the cerebellum

Question 4

Opiate agonists mimic the activity of these pain-killing neurotransmitters

Accepted Answer

A)  endopiums 
B)  endoplasms 
C)  endorphins 
D)  morphemes

Question 5

The somatic nervous system is mainly responsible for regulating

Accepted Answer

A) involuntary reflexes 
B)  heart and lung function 
C)  cellular activity 
D)  voluntary motor actions

Question 6

This type of cell not only assists neural functioning but outnumbers the neuron in the nervous system.

Accepted Answer

A)  flora 
B)  fauna 
C)  glia 
D)  lipa

Question 7

Between 50 and 70 percent of the brain's neurons make up this hindbrain structure.

Accepted Answer

A)  cerebellum 
B)  pons, 
C)  medulla 
D)  cortex

Question 8

The nerves that enable movement of the limbs and sensation from the skin and muscles are part of the _____________ nervous system, while the nerves that regulate organ function are part of the ____________ nervous system.

Accepted Answer

The answer of The nerves that enable movement of the...

Question 9

These motor actions are automatic and not controlled by the brain.

Accepted Answer

A)  brain reflexes 
B)  peripheral reflexes 
C)  spinal reflexes 
D)  vestibular reflexes

Question 10

The cells that convert physical energy into a form that may be transmitted to the brain are called

Accepted Answer

A)  sensory neurons 
B)  motor neurons 
C)  interneruons 
D)  protoneruons

Question 11

When a drug decreases the effect of a neurotransmitter is called a(n)

Accepted Answer

A)  agonist 
B)  antagonist 
C)  interneuron 
D)  protagonist

Question 12

Most substances in the blood stream are allowed to freely enter the brain through the blood-brain barrier.

Accepted Answer

A) True 
 B)False

Question 13

Neurons receive information via _________ which are embedded in their membranes.

Accepted Answer

A)  dendrites 
B)  axons 
C)  terminal buttons 
D)  synaptic receptors

Question 14

Describe the electrochemical processes that enable the following: polarization, depolarization, and repolarization. In your answer, make sure to mention resting potentials and action potentials.

Accepted Answer

The answer of Describe the electrochemical processes that enable the...

Question 15

Which of the following best describes the functions of the prefrontal cortex?

Accepted Answer

A)  The prefrontal cortex processes all of the sensory information that comes from our skin. 
B)  The prefrontal cortex combines the information from the visual and auditory areas to provide support for the parietal cortex. 
C)  The prefrontal cortex integrates information from the rest of the brain and compares it against our goals for any given situation. 
D)  The prefrontal cortex integrates all the information from the temporal lobe to make decisions about our emotions.

Question 16

In the spinal cord and brain ____________ matter is made of cell bodies, unmyelinated axons, glia, and dendrites, while ____________ matter is made of myelinated axons.

Accepted Answer

A)  gray; white 
B)  white; gray 
C)  green; white 
D)  gray; yellow

Question 17

This limbic-system structure links the nervous system to the endocrine system and also regulates sexual and aggressive impulses.

Accepted Answer

A)  hypothalamus 
B)  thalamus 
C)  hippocampus 
D)  amygdala

Question 18

Bundled axons that form communication channels outside the central nervous system are called

Accepted Answer

A)  dendrites 
B)  tracts 
C)  sheaths 
D)  nerves

Question 19

When the corpus callosum is damaged by trauma or severed during surgery, the result is the complete loss of language functioning.

Accepted Answer

A) True 
 B)False

Question 20

Evidence for brain plasticity came from brain-imaging studies of professional musicians that revealed enlargements of auditory cortical areas based on the number of years of musical training.

Accepted Answer

A) True 
 B)False

Exam 2: The Brain, the Body, and Behavior

Arousal of the sympathetic nervous system leads to a cascade of physiological responses also know as the

Action potentials can only occur once a neuron receives input beyond this.

This tubular bundle of nerve tracts is the communication pathway between the brain and the rest of the body.

Opiate agonists mimic the activity of these pain-killing neurotransmitters

The somatic nervous system is mainly responsible for regulating

This type of cell not only assists neural functioning but outnumbers the neuron in the nervous system.

Between 50 and 70 percent of the brain's neurons make up this hindbrain structure.

The nerves that enable movement of the limbs and sensation from the skin and muscles are part of the _ nervous system, while the nerves that regulate organ function are part of the nervous system.

These motor actions are automatic and not controlled by the brain.

The cells that convert physical energy into a form that may be transmitted to the brain are called

When a drug decreases the effect of a neurotransmitter is called a(n)

Most substances in the blood stream are allowed to freely enter the brain through the blood-brain barrier.

Neurons receive information via _________ which are embedded in their membranes.

Describe the electrochemical processes that enable the following: polarization, depolarization, and repolarization. In your answer, make sure to mention resting potentials and action potentials.

Which of the following best describes the functions of the prefrontal cortex?

In the spinal cord and brain matter is made of cell bodies, unmyelinated axons, glia, and dendrites, while matter is made of myelinated axons.

This limbic-system structure links the nervous system to the endocrine system and also regulates sexual and aggressive impulses.

Bundled axons that form communication channels outside the central nervous system are called

When the corpus callosum is damaged by trauma or severed during surgery, the result is the complete loss of language functioning.

Evidence for brain plasticity came from brain-imaging studies of professional musicians that revealed enlargements of auditory cortical areas based on the number of years of musical training.