Question 1

The nervous system and the endocrine system are the major control systems of the body.

Accepted Answer

A) True 
 B)False

Question 2

The figure is a process figure of the chemical synapse. What does "B" represent?

Accepted Answer

A)  postsynaptic membrane 
B)  synaptic cleft 
C)  synaptic vesicle 
D)  voltage-gated calcium channel 
E)  presynaptic terminal 
A)  postsynaptic membrane 
B)  synaptic cleft 
C)  synaptic vesicle 
D)  voltage-gated calcium channel 
E)  presynaptic terminal

Question 3

What inhibitory neurotransmitter is blocked in strychnine poisoning?

Accepted Answer

A)  glycine 
B)  acetylcholine 
C)  glutamate 
D)  adenosine 
A)  glycine 
B)  acetylcholine 
C)  glutamate 
D)  adenosine

Question 4

Each voltage-gated Na+ ion channel has two voltage sensitive gates: an activation gate and an inactivation gate. Which of the following would occur during depolarization?

Accepted Answer

A)  Activation gates are open; inactivation gates are closed. 
B)  Activation gates are closed; inactivation gates are open. 
C)  Both activation and inactivation gates are open. 
D)  Both activation and inactivation gates are closed. 
E)  None of these events occurs during depolarization. 
A)  Activation gates are open; inactivation gates are closed. 
B)  Activation gates are closed; inactivation gates are open. 
C)  Both activation and inactivation gates are open. 
D)  Both activation and inactivation gates are closed. 
E)  None of these events occurs during depolarization.

Question 5

Which of the following is responsible for problem-solving skills?

Accepted Answer

A)  central nervous system 
B)  peripheral nervous system 
C)  somatic nervous system 
D)  autonomic nervous system 
E)  None of these choices is correct. 
A)  central nervous system 
B)  peripheral nervous system 
C)  somatic nervous system 
D)  autonomic nervous system 
E)  None of these choices is correct.

Question 6

Enkephalins produce presynaptic inhibition in neurons transmitting pain signals. Increased levels of enkephalins will

Accepted Answer

A)  increase awareness of pain. 
B)  decrease awareness of pain. 
C)  increase amount of pain. 
D)  decrease amount of pain. 
E)  have no effect on awareness or amount of pain. 
A)  increase awareness of pain. 
B)  decrease awareness of pain. 
C)  increase amount of pain. 
D)  decrease amount of pain. 
E)  have no effect on awareness or amount of pain.

Question 7

Hydrocephaly is a condition whereby cerebrospinal fluid accumulates around the brain. What supportive cells continue CSF production despite it backing up in the subarachnoid space?

Accepted Answer

A)  astrocytes 
B)  microglial cells 
C)  oligodendrocytes 
D)  macrophages 
E)  ependymal cells 
A)  astrocytes 
B)  microglial cells 
C)  oligodendrocytes 
D)  macrophages 
E)  ependymal cells

Question 8

Compounds classified as ______ alter synaptic transmission by changing neurotransmitter receptor numbers or affecting the breakdown and/or removal of neurotransmitter.

Accepted Answer

A)  excitatory neurotransmitters 
B)  neurohormones 
C)  neuromodulators 
D)  inhibitory neurotrasnmitters 
A)  excitatory neurotransmitters 
B)  neurohormones 
C)  neuromodulators 
D)  inhibitory neurotrasnmitters

Question 9

The function of acetylcholinesterase is to

Accepted Answer

A)  open voltage-gated sodium gates. 
B)  breakdown acetylcholine in the synapse. 
C)  produce an IPSP on the postsynaptic membrane. 
D)  metabolize norepinephrine. 
A)  open voltage-gated sodium gates. 
B)  breakdown acetylcholine in the synapse. 
C)  produce an IPSP on the postsynaptic membrane. 
D)  metabolize norepinephrine.

Question 10

The nervous system

Accepted Answer

A)  monitors internal and external stimuli. 
B)  transmits information in the form of action potentials. 
C)  interprets or assesses information. 
D)  maintains homeostasis. 
E)  All of these choices are correct. 
A)  monitors internal and external stimuli. 
B)  transmits information in the form of action potentials. 
C)  interprets or assesses information. 
D)  maintains homeostasis. 
E)  All of these choices are correct.

Question 11

Which of the following events will lead to depolarization?

Accepted Answer

A)  an increase in K+ ions in the extracellular fluid 
B)  a decrease in K+ ions in the extracellular fluid 
C)  an increase in the rate of diffusion of K+ ions from cells 
D)  an increase in Na+ ions in the extracellular fluid 
E)  None of these events would cause depolarization. 
A)  an increase in K+ ions in the extracellular fluid 
B)  a decrease in K+ ions in the extracellular fluid 
C)  an increase in the rate of diffusion of K+ ions from cells 
D)  an increase in Na+ ions in the extracellular fluid 
E)  None of these events would cause depolarization.

The nervous system and the endocrine system are the major control systems of the body.

The figure is a process figure of the chemical synapse. What does "B" represent?

What inhibitory neurotransmitter is blocked in strychnine poisoning?

Each voltage-gated Na+ ion channel has two voltage sensitive gates: an activation gate and an inactivation gate. Which of the following would occur during depolarization?

Which of the following is responsible for problem-solving skills?

Enkephalins produce presynaptic inhibition in neurons transmitting pain signals. Increased levels of enkephalins will

Hydrocephaly is a condition whereby cerebrospinal fluid accumulates around the brain. What supportive cells continue CSF production despite it backing up in the subarachnoid space?

Compounds classified as ______ alter synaptic transmission by changing neurotransmitter receptor numbers or affecting the breakdown and/or removal of neurotransmitter.

The function of acetylcholinesterase is to

The nervous system

Which of the following events will lead to depolarization?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters

Exam 11: Functional Organization of Nervous Tissue

The nervous system and the endocrine system are the major control systems of the body.

The figure is a process figure of the chemical synapse. What does "B" represent?

What inhibitory neurotransmitter is blocked in strychnine poisoning?

Each voltage-gated Na+ ion channel has two voltage sensitive gates: an activation gate and an inactivation gate. Which of the following would occur during depolarization?

Which of the following is responsible for problem-solving skills?

Enkephalins produce presynaptic inhibition in neurons transmitting pain signals. Increased levels of enkephalins will

Hydrocephaly is a condition whereby cerebrospinal fluid accumulates around the brain. What supportive cells continue CSF production despite it backing up in the subarachnoid space?

Compounds classified as ______ alter synaptic transmission by changing neurotransmitter receptor numbers or affecting the breakdown and/or removal of neurotransmitter.

The function of acetylcholinesterase is to

The nervous system

Which of the following events will lead to depolarization?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters