Question 1

The vertebrate ear functions in hearing and in ____________.

Accepted Answer

The answer of The vertebrate ear functions in hearing and...

Question 2

A nerve action potential

Accepted Answer

A) involves a depolarization of the neuron membrane. 
B) involves movement of sodium ions from the outside to the inside of the membrane. 
C) is self-propagating. 
D) All of the choices are correct. 
E) None of the choices is correct. 
A) involves a depolarization of the neuron membrane. 
B) involves movement of sodium ions from the outside to the inside of the membrane. 
C) is self-propagating. 
D) All of the choices are correct. 
E) None of the choices is correct.

Question 3

What roles do acetylcholine and acetylcholinesterase play in the transmission of neural action potentials?

Accepted Answer

Acetylcholine (ACh) and acetylcholineste

Question 4

A neuron in a cat's leg was stimulated electrically.The only reaction was a contraction of some muscle in the same leg.The neuron was most likely

Accepted Answer

A) afferent or sensory only. 
B) efferent or motor only. 
C) both motor and sensory. 
D) an interneuron. 
E) None of the choices is correct 
A) afferent or sensory only. 
B) efferent or motor only. 
C) both motor and sensory. 
D) an interneuron. 
E) None of the choices is correct

Question 5

The simplest pattern of invertebrate nervous system is the _____ _____ of cnidarians.

Accepted Answer

The answer of The simplest pattern of invertebrate nervous system...

Question 6

Which statement about the conscious brain is NOT correct?

Accepted Answer

A) The conscious brain is contained within the cerebrum 
B) The corpus callosum is the bridge that connects the two cerebral hemispheres 
C) The cerebral cortex is composed of gray matter,with cell bodies and unmyelinated neurons 
D) The limbic system is a center for mathematical ability and other non-emotional activities 
E) Association areas of each lobe of the cerebrum receive information from other parts of the brain and integrate the information into higher levels of consciousness 
A) The conscious brain is contained within the cerebrum 
B) The corpus callosum is the bridge that connects the two cerebral hemispheres 
C) The cerebral cortex is composed of gray matter,with cell bodies and unmyelinated neurons 
D) The limbic system is a center for mathematical ability and other non-emotional activities 
E) Association areas of each lobe of the cerebrum receive information from other parts of the brain and integrate the information into higher levels of consciousness

Question 7

The evolutionary trend toward larger size and capacity of the brain in vertebrates is called

Accepted Answer

A) cranial expansion. 
B) cortex evolution. 
C) cephalization. 
D) centralization. 
E) encephalization. 
A) cranial expansion. 
B) cortex evolution. 
C) cephalization. 
D) centralization. 
E) encephalization.

Question 8

The inside of the neuron membrane at rest is

Accepted Answer

A) negatively charged. 
B) positively charged. 
C) neutral or equal to the exterior charge. 
D) None of the choices are true since neurons never rest. 
E) None of the choices is correct. 
A) negatively charged. 
B) positively charged. 
C) neutral or equal to the exterior charge. 
D) None of the choices are true since neurons never rest. 
E) None of the choices is correct.

Question 9

Compare the senses of chemoreception and olfaction.What is the difference between the two and how are taste receptors classified today?

Accepted Answer

Chemoreception and olfaction are both re

Question 10

The fovea centralis is

Accepted Answer

A) part of the choroid coat of the eye that is attached to the lens and the iris. 
B) the internal part of the cochlea with hair cells that are stimulated by sound waves. 
C) any part of the eye that contains rods,cones,and bipolar cells. 
D) the point of the eye at which color vision is most acute. 
E) the part of the inner ear which recognizes dynamic equilibrium and movement. 
A) part of the choroid coat of the eye that is attached to the lens and the iris. 
B) the internal part of the cochlea with hair cells that are stimulated by sound waves. 
C) any part of the eye that contains rods,cones,and bipolar cells. 
D) the point of the eye at which color vision is most acute. 
E) the part of the inner ear which recognizes dynamic equilibrium and movement.

Question 11

Which statement about the conscious brain is NOT correct?

Accepted Answer

A) The conscious brain is contained within the cerebrum 
B) The corpus callosum is the bridge that connects the two cerebral hemispheres 
C) The cerebral cortex is composed of gray matter,with cell bodies and unmyelinated neurons 
D) The limbic system is a center for mathematical ability and other non-emotional activities 
E) Association areas of each lobe of the cerebrum receive information from other parts of the brain and integrate the information into higher levels of consciousness 
A) The conscious brain is contained within the cerebrum 
B) The corpus callosum is the bridge that connects the two cerebral hemispheres 
C) The cerebral cortex is composed of gray matter,with cell bodies and unmyelinated neurons 
D) The limbic system is a center for mathematical ability and other non-emotional activities 
E) Association areas of each lobe of the cerebrum receive information from other parts of the brain and integrate the information into higher levels of consciousness

Question 12

A cat learns to walk and take steps when young without having to think through "lift-paw-move-leg-set-down-paw" because the sequence has been practiced and coordinated automatically in it's

Accepted Answer

A) autonomic nervous system. 
B) midbrain. 
C) hind brain. 
D) forebrain. 
E) spine. 
A) autonomic nervous system. 
B) midbrain. 
C) hind brain. 
D) forebrain. 
E) spine.

Question 13

The extension of a nerve cell that generally carries action potentials away from the cell body is the

Accepted Answer

A) axon. 
B) schwann cells. 
C) synapse. 
D) dendrite. 
E) myelin. 
A) axon. 
B) schwann cells. 
C) synapse. 
D) dendrite. 
E) myelin.

Question 14

Several autonomic centers that regulate body temperature,water balance,appetite and thirst are located in the ____________.or

Accepted Answer

forebrain

Question 15

Identify the following and their functions: afferent neurons,efferent neurons,interneurons,receptors,effectors,neuroglial cells,myelin,microglial cells.

Accepted Answer

Afferent neurons, also known as sensory

Question 16

If you were placed in a space suit and drifted away from your spacecraft,which stimuli would be unable to reach you?

Accepted Answer

If you were placed in a space suit and d

Question 17

The organ of hearing in the inner ear of tetrapod vertebrates is the ______ ___ ______.

Accepted Answer

The answer of The organ of hearing in the inner...

Question 18

A nerve signal is a rapidly moving change in electrical potential called the ______ ______.

Accepted Answer

The answer of A nerve signal is a rapidly moving...

Question 19

Outline the components and the physiological processes of either 1)hearing,2)taste,or 3)vision.Be sure to list the basic components of the sensory system and their functions.

Accepted Answer

Sure, I can outline the components and p

Question 20

If we crossed over the nerves leading from the eye and from the ear before they reached the appropriate section of the brain,what would happen?

Accepted Answer

A) Nerves send vision at the speed of light,hearing at the speed of sound,etc. 
B) The main difference is in the origin and destination of the nerves involved so the experiment above would "see" flashes of loud noises and "hear" bright light. 
C) The code sent along the nerves from vision is a different dot-and-dash sequence from the action potentials from hearing. 
D) They are completely different types of nerve cells and send different action potentials. 
E) None of the choices is correct. 
A) Nerves send vision at the speed of light,hearing at the speed of sound,etc. 
B) The main difference is in the origin and destination of the nerves involved so the experiment above would "see" flashes of loud noises and "hear" bright light. 
C) The code sent along the nerves from vision is a different dot-and-dash sequence from the action potentials from hearing. 
D) They are completely different types of nerve cells and send different action potentials. 
E) None of the choices is correct.

Exam 33: Nervous Coordination: Nervous System and Sense Organs

The vertebrate ear functions in hearing and in ____________.

A nerve action potential

What roles do acetylcholine and acetylcholinesterase play in the transmission of neural action potentials?

A neuron in a cat's leg was stimulated electrically.The only reaction was a contraction of some muscle in the same leg.The neuron was most likely

The simplest pattern of invertebrate nervous system is the _____ _____ of cnidarians.

Which statement about the conscious brain is NOT correct?

The evolutionary trend toward larger size and capacity of the brain in vertebrates is called

The inside of the neuron membrane at rest is

Compare the senses of chemoreception and olfaction.What is the difference between the two and how are taste receptors classified today?

The fovea centralis is

Which statement about the conscious brain is NOT correct?

A cat learns to walk and take steps when young without having to think through "lift-paw-move-leg-set-down-paw" because the sequence has been practiced and coordinated automatically in it's

The extension of a nerve cell that generally carries action potentials away from the cell body is the

Several autonomic centers that regulate body temperature,water balance,appetite and thirst are located in the ____________.or

Identify the following and their functions: afferent neurons,efferent neurons,interneurons,receptors,effectors,neuroglial cells,myelin,microglial cells.

If you were placed in a space suit and drifted away from your spacecraft,which stimuli would be unable to reach you?

The organ of hearing in the inner ear of tetrapod vertebrates is the ______ ___ ______.

A nerve signal is a rapidly moving change in electrical potential called the ______ ______.

Outline the components and the physiological processes of either 1)hearing,2)taste,or 3)vision.Be sure to list the basic components of the sensory system and their functions.

If we crossed over the nerves leading from the eye and from the ear before they reached the appropriate section of the brain,what would happen?

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectual Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Hexapods

Chaetognaths, echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, Protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distribution

Animal Ecology

Filters

The simplest pattern of invertebrate nervous system is the _ _ of cnidarians.

The organ of hearing in the inner ear of tetrapod vertebrates is the ____ _ ______.

A nerve signal is a rapidly moving change in electrical potential called the .