Question 1

The value of the three small bones of the middle ear is that they:

Accepted Answer

A)  translate vibration into nerve impulses. 
B)  translate solid vibration into internal liquid vibration. 
C)  amplify vibrations by concentrating them into a smaller area. 
D)  connect the eardrum to the nerves of hearing. 
A)  translate vibration into nerve impulses. 
B)  translate solid vibration into internal liquid vibration. 
C)  amplify vibrations by concentrating them into a smaller area. 
D)  connect the eardrum to the nerves of hearing.

Question 2

Most sensory information is routed through which structure before arriving in the cerebrum?

Accepted Answer

A)  pons 
B)  medulla oblongata 
C)  midbrain 
D)  hypothalamus 
E)  thalamus 
A)  pons 
B)  medulla oblongata 
C)  midbrain 
D)  hypothalamus 
E)  thalamus

Question 3

Which part of your brain processes the information in this question and, you hope, retrieves the information necessary to answer it?

Accepted Answer

A)  cerebellum 
B)  cerebral cortex 
C)  pons 
D)  hypothalamus 
E)  midbrain 
A)  cerebellum 
B)  cerebral cortex 
C)  pons 
D)  hypothalamus 
E)  midbrain

Question 4

Which statement about the sense of smell in humans is most accurate?

Accepted Answer

A)  Smell is about equally as strong as taste. 
B)  One hundred different receptor varieties allow us to discern about 100 scents. 
C)  Combinations of over 300 receptors allow us to discern thousands of scents. 
D)  Ciliated cells rapidly move scent molecules to the brain for rapid analysis. 
A)  Smell is about equally as strong as taste. 
B)  One hundred different receptor varieties allow us to discern about 100 scents. 
C)  Combinations of over 300 receptors allow us to discern thousands of scents. 
D)  Ciliated cells rapidly move scent molecules to the brain for rapid analysis.

Question 5

A person is blindfolded and then given a piece of apple to eat while the scent of pineapple is wafted around his or her nose. The person would most likely guess that he or she is eating a/an:

Accepted Answer

A)  apple. 
B)  pineapple. 
C)  new type of fruit. 
D)  50-50 mixture of apple and pineapple. 
A)  apple. 
B)  pineapple. 
C)  new type of fruit. 
D)  50-50 mixture of apple and pineapple.

Question 6

Which of the following would be a function of the sympathetic division?

Accepted Answer

A)  stimulate the stomach 
B)  constrict the pupils 
C)  stimulate the gallbladder 
D)  accelerate heart rate 
A)  stimulate the stomach 
B)  constrict the pupils 
C)  stimulate the gallbladder 
D)  accelerate heart rate

Question 7

When light enters the eye, it is bent, or refracted, first by the:

Accepted Answer

A)  retina. 
B)  cornea. 
C)  lens. 
D)  vitreous body. 
A)  retina. 
B)  cornea. 
C)  lens. 
D)  vitreous body.

Question 8

You are giving first aid to a semiconscious person who (before your arrival) told a bystander something about taking a drug overdose. The person has dilated pupils and a dry mouth. You recall reading that many drugs "mimic" the effects of nervous system functions, and you quickly size up which part of the nervous system is being mimicked here. The bystander is calling 911. In order to save time and best advise the emergency dispatcher about the treatment EMTs should be prepared to begin when they arrive, you tell the bystander to tell the 911 operator that the drug taken probably mimics which nervous system division?

Accepted Answer

A)  somatic 
B)  parasympathetic 
C)  sympathetic 
D)  sfferent 
A)  somatic 
B)  parasympathetic 
C)  sympathetic 
D)  sfferent

Question 9

Our "oldest" sense, which works in a very similar way in insects, is the sense of:

Accepted Answer

A)  vision. 
B)  hearing. 
C)  smell. 
D)  touch. 
A)  vision. 
B)  hearing. 
C)  smell. 
D)  touch.

Question 10

The Pacinian corpuscle is important to:

Accepted Answer

A)  sight. 
B)  hearing. 
C)  the sense of touch. 
D)  information about the position of the joints. 
A)  sight. 
B)  hearing. 
C)  the sense of touch. 
D)  information about the position of the joints.

Question 11

The iris of the human eye is composed partly of:

Accepted Answer

A)  nervous tissue. 
B)  empty space. 
C)  rods. 
D)  connective tissue. 
E)  smooth muscle. 
A)  nervous tissue. 
B)  empty space. 
C)  rods. 
D)  connective tissue. 
E)  smooth muscle.

Question 12

Proprioceptors provide us with:

Accepted Answer

A)  sight. 
B)  hearing. 
C)  the sense of touch. 
D)  information about the position of the joints. 
A)  sight. 
B)  hearing. 
C)  the sense of touch. 
D)  information about the position of the joints.

Question 13

The cochlea is part of the:

Accepted Answer

A)  inner ear. 
B)  outer ear. 
C)  brain. 
D)  eye. 
A)  inner ear. 
B)  outer ear. 
C)  brain. 
D)  eye.

Question 14

Which part of the human eye detects colored light?

Accepted Answer

A)  enzymes in ganglion cells 
B)  rhodopsin molecules 
C)  aqueous humor 
D)  cones 
E)  cornea 
A)  enzymes in ganglion cells 
B)  rhodopsin molecules 
C)  aqueous humor 
D)  cones 
E)  cornea

Question 15

Routine activities and energy conservation are controlled by the:

Accepted Answer

A)  peripheral nervous system. 
B)  parasympathetic division. 
C)  sympathetic division. 
D)  thalamus. 
A)  peripheral nervous system. 
B)  parasympathetic division. 
C)  sympathetic division. 
D)  thalamus.

Question 16

The basic taste sensations are different in that each sensation works through:

Accepted Answer

A)  a different chemical reaction route in a taste cell. 
B)  a similar chemical reaction route in a taste cell. 
C)  different ciliated receptor varieties, just like smell receptors. 
D)  different taste nerves. 
A)  a different chemical reaction route in a taste cell. 
B)  a similar chemical reaction route in a taste cell. 
C)  different ciliated receptor varieties, just like smell receptors. 
D)  different taste nerves.

Question 17

Which of the following best describes the structural aspect of the cerebral cortex?

Accepted Answer

A)  a thin band of gray matter making the outer layer of the cerebrum 
B)  a thick band of white matter making the outer layer of the cerebrum 
C)  a core of fast, myelinated axons in the interior of the brain 
D)  a cap of white matter over the spinal cord, made mostly of the thalamus 
A)  a thin band of gray matter making the outer layer of the cerebrum 
B)  a thick band of white matter making the outer layer of the cerebrum 
C)  a core of fast, myelinated axons in the interior of the brain 
D)  a cap of white matter over the spinal cord, made mostly of the thalamus

Question 18

The term "brain dead" may refer to the fact that all brain centers have ceased to function except the:

Accepted Answer

A)  cerebrum. 
B)  cerebellum. 
C)  thalamus. 
D)  hypothalamus. 
E)  medulla oblongata. 
A)  cerebrum. 
B)  cerebellum. 
C)  thalamus. 
D)  hypothalamus. 
E)  medulla oblongata.

Question 19

How do hair cells of the cochlea translate vibration into nervous impulses?

Accepted Answer

A)  Bending cilia lead to ion flow and neurotransmitter release. 
B)  Pulling hairs trigger an action potential. 
C)  Vibrating hairs open voltage sensitive channels. 
D)  Moving cilia break molecules at their bases. 
A)  Bending cilia lead to ion flow and neurotransmitter release. 
B)  Pulling hairs trigger an action potential. 
C)  Vibrating hairs open voltage sensitive channels. 
D)  Moving cilia break molecules at their bases.

Question 20

Which of the following best describes sensory receptors?

Accepted Answer

A)  Sensory receptors interpret sensation. 
B)  Sensory receptors translate action potentials into stimuli. 
C)  Sensory receptors translate stimulation into action potentials. 
D)  Sensory receptors work through efferent pathways. 
A)  Sensory receptors interpret sensation. 
B)  Sensory receptors translate action potentials into stimuli. 
C)  Sensory receptors translate stimulation into action potentials. 
D)  Sensory receptors work through efferent pathways.

Exam 27: Communication and Control 1: the Nervous System

The value of the three small bones of the middle ear is that they:

Most sensory information is routed through which structure before arriving in the cerebrum?

Which part of your brain processes the information in this question and, you hope, retrieves the information necessary to answer it?

Which statement about the sense of smell in humans is most accurate?

A person is blindfolded and then given a piece of apple to eat while the scent of pineapple is wafted around his or her nose. The person would most likely guess that he or she is eating a/an:

Which of the following would be a function of the sympathetic division?

When light enters the eye, it is bent, or refracted, first by the:

Our "oldest" sense, which works in a very similar way in insects, is the sense of:

The Pacinian corpuscle is important to:

The iris of the human eye is composed partly of:

Proprioceptors provide us with:

The cochlea is part of the:

Which part of the human eye detects colored light?

Routine activities and energy conservation are controlled by the:

The basic taste sensations are different in that each sensation works through:

Which of the following best describes the structural aspect of the cerebral cortex?

The term "brain dead" may refer to the fact that all brain centers have ceased to function except the:

How do hair cells of the cochlea translate vibration into nervous impulses?

Which of the following best describes sensory receptors?

Science As a Way of Learning: a Guide to the Natural World

Fundamental Building Blocks: Chemistry, Water, and Ph

Lifes Components: Biological Molecules

Lifes Home: the Cell

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

Vital Harvest: Deriving Energy From Food

The Green Worlds Gift: Photosynthesis

The Links in Lifes Chain: Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, Translation, and Regulation

The Future Isnt What It Used to Be: Biotechnology

An Introduction to Evolution: Charles Darwin, Evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late, Traveling Far: the Evolution of Human Beings

Viruses, Bacteria, Archaea, and Protists: the Diversity of Life 1

Fungi : the Diversity of Life 2

Animals: the Diversity of Life 3

Plants: the Diversity of Life 4

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, Skeletal, and Muscular Systems

Communication and Control 2: the Endocrine System

Defending the Body: the Immune System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, Nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

An Interactive Living World 3: Ecosystems and Biomes

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