Question 1

Synapses where ionic currents flow directly across a narrow gap junction are called ______ ______.

Accepted Answer

electrical synapses

Question 2

The movement of sodium and potassium ions across the nerve cell membrane involves

Accepted Answer

A)  no energy since it involves simple osmotic gradients. 
B)  simple diffusion. 
C)  a substantial amount of cell energy to provide active transport. 
D)  dialysis. 
E)  neurotransmitters. 
A)  no energy since it involves simple osmotic gradients. 
B)  simple diffusion. 
C)  a substantial amount of cell energy to provide active transport. 
D)  dialysis. 
E)  neurotransmitters. C

Question 3

The light-sensitive layer inside the vertebrate eye is the ____________.

Accepted Answer

retina

Question 4

If you destroyed the neuromasts in a fish's lateral line,how would you expect this to affect its ability to school?

Accepted Answer

The lateral line system in fish is a sen

Question 5

If a nerve to an isolated heart is stimulated and the heartbeat slows,the most reasonable conclusion is that the heart

Accepted Answer

A)  is responding to a nerve control that inhibits heartbeat. 
B)  is dying since nerves can only stimulate muscle action. 
C)  is unaffected by the nerve but responding to some unknown chemical factor. 
D)  is normal as all nerve stimulation results in decreased muscle activity. 
E)  None of the choices are correct. 
A)  is responding to a nerve control that inhibits heartbeat. 
B)  is dying since nerves can only stimulate muscle action. 
C)  is unaffected by the nerve but responding to some unknown chemical factor. 
D)  is normal as all nerve stimulation results in decreased muscle activity. 
E)  None of the choices are correct.

Question 6

Discuss the function(s)of the vomeronasal organ.

Accepted Answer

The vomeronasal organ, also known as Jac

Question 7

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 8

The crayfish has a cavity or ___________ lined with sensory seta or hairs.A grain in the cavity is pulled downward by gravity; the pressure against the bottom hairs of the cavity gives the crayfish a perception of being upright and when it changes orientation,the grain touches side hairs that make it realize it is not upright.Thus the crayfish "knows" which way is up in the dark.

Accepted Answer

A)  ampulla 
B)  labyrinth 
C)  saccule 
D)  statocyst 
E)  statolith 
A)  ampulla 
B)  labyrinth 
C)  saccule 
D)  statocyst 
E)  statolith

Question 9

The part of the brain responsible for deep seated drives such as sex,hunger,thirst,anger and pleasure is the

Accepted Answer

A)  medulla oblongata. 
B)  reticular formation. 
C)  parasympathetic system. 
D)  limbic system. 
E)  None of the choices are correct since these all originate in endocrine glands 
A)  medulla oblongata. 
B)  reticular formation. 
C)  parasympathetic system. 
D)  limbic system. 
E)  None of the choices are correct since these all originate in endocrine glands

Question 10

The event at the chemical synapse

Accepted Answer

A)  always involves acetylcholine. 
B)  always involves some neurotransmitter that stimulates the next neuron. 
C)  is a simple continuous "domino" flow of negativity or ions from the axon to the next dendrite. 
D)  involves either an inhibitory or stimulating neurotransmitter chemical 
E)  All of the choices are correct. 
A)  always involves acetylcholine. 
B)  always involves some neurotransmitter that stimulates the next neuron. 
C)  is a simple continuous "domino" flow of negativity or ions from the axon to the next dendrite. 
D)  involves either an inhibitory or stimulating neurotransmitter chemical 
E)  All of the choices are correct.

Question 11

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 12

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 13

Explain how the parasympathetic and sympathetic subdivisions of the autonomic system interact.

Accepted Answer

The parasympathetic and sympathetic subd

Question 14

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 15

What function does the sodium pump play in neural transmission?

Accepted Answer

The sodium pump, also known as the sodiu

Question 16

Which statement is NOT true about the autonomic nervous system?

Accepted Answer

A)  The autonomic nervous system is a completely motor system 
B)  The functions of the autonomic system are generally involuntary and subconscious 
C)  The sympathetic nervous system deals with "fight or flight" responses 
D)  The parasympathetic nervous system promotes actions associated with relaxation 
E)  The neurotransmitter associated with the parasympathetic system is norepinephrine 
A)  The autonomic nervous system is a completely motor system 
B)  The functions of the autonomic system are generally involuntary and subconscious 
C)  The sympathetic nervous system deals with "fight or flight" responses 
D)  The parasympathetic nervous system promotes actions associated with relaxation 
E)  The neurotransmitter associated with the parasympathetic system is norepinephrine

Question 17

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)  cerebellum. 
C)  brain stem. 
D)  cerebrum. 
E)  spine. 
A)  autonomic nervous system. 
B)  cerebellum. 
C)  brain stem. 
D)  cerebrum. 
E)  spine.

Question 18

The midbrain consists mainly of the ____________,which contains centers for visual and auditory reflexes.

Accepted Answer

The answer of The midbrain consists mainly of the ____________,which...

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

Non-neuron cells that outnumber neurons but are very important in neuron function are ____________ or glial.

Accepted Answer

The answer of Non-neuron cells that outnumber neurons but are...

Exam 33: Nervous Coordination: Nervous System and Sense Organs

Synapses where ionic currents flow directly across a narrow gap junction are called ______ ______.

The movement of sodium and potassium ions across the nerve cell membrane involves

The light-sensitive layer inside the vertebrate eye is the ____________.

If you destroyed the neuromasts in a fish's lateral line,how would you expect this to affect its ability to school?

If a nerve to an isolated heart is stimulated and the heartbeat slows,the most reasonable conclusion is that the heart

Discuss the function(s)of the vomeronasal organ.

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

The part of the brain responsible for deep seated drives such as sex,hunger,thirst,anger and pleasure is the

The event at the chemical synapse

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

Explain how the parasympathetic and sympathetic subdivisions of the autonomic system interact.

Which statement about the conscious brain is NOT correct?

What function does the sodium pump play in neural transmission?

Which statement is NOT true about the autonomic nervous system?

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 midbrain consists mainly of the ____________,which contains centers for visual and auditory reflexes.

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.

Non-neuron cells that outnumber neurons but are very important in neuron function are ____________ or glial.

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

Architectural Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Radiate Animals

Acoelomorpha,Platyzoa,and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Support, Protection, and Movement

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 Distributions

Animal Ecology

Filters

Synapses where ionic currents flow directly across a narrow gap junction are called .

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