1 2 3 4

25% 25%25%25%

1 2 3 4 5

The basic types of tissue in the human body are

1. cell, organ, and organ system.

2. sight, smell, and hearing.

3. thyroid, trachea, adenoid, and bronchus.

4. muscle, nervous, connective, and epithelial.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which system regulates and controls growth, development, and metabolism?

1. endocrine system

2. lymphatic system

3. integumentary system

4. skeletal system

1 2 3 4

25% 25%25%25%

1 2 3 4 5

The levels of organization in the body include

1. endocrine, respiratory, digestive, and nervous.

2. cells, tissues, organs, and organ systems.

3. cells, tissues, and functions.

4. lymphatic, respiratory, and circulatory.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

How many organ systems make up the human body?

1. 4

2. 5

3. 8

4. 11

1 2 3 4

25% 25%25%25%

1 2 3 4 5

A group of similar cells that perform a single function is called a(an)

1. nerve.

2. organ.

3. tissue.

4. organ system.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which type of tissue lines your internal organs?

1. epithelial

2. connective

3. nerve

4. muscle

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which type of tissue enables a person’s fingers to move as he or she plays the

piano?1. epithelial

2. connective

3. nerve

4. muscle

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which type of tissue provides support for the body?

1. epithelial

2. connective

3. nerve

4. muscle

1 2 3 4

25% 25%25%25%

1 2 3 4 5

The process by which organ systems maintain relatively constant internal

conditions is called1. circulation.

2. organization.

3. homeostasis.

4. teamwork.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which process enables the body to maintain a stable temperature?

1. heating

2. circulation

3. feedback inhibition

4. cellular activity

1 2 3 4

25% 25%25%25%

1 2 3 4 5

The level of chemicals in the body that speed up cellular activity is regulated by

1. action potential.

2. feedback inhibition.

3. the sympathetic nervous system.

4. the parasympathetic nervous system.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which system coordinates the body’s response to changes in its internal and

external environment?1. lymphatic system

2. nervous system

3. excretory system

4. reproductive system

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Neurons are classified by the

1. direction in which they carry impulses.

2. amount of metabolic activity that takes place.

3. number of dendrites that branch out.

4. number of impulses that they carry.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

What is the smallest structural and functional unit of the nervous system?

1. nerve

2. neuron

3. organ

4. tissue

1 2 3 4

25% 25%25%25%

1 2 3 4 5

What begins when a neuron is stimulated by another neuron or by the environment?

1. a threshold

2. an action potential

3. an impulse

4. a dendrite

1 2 3 4

25% 25%25%25%

1 2 3 4 5

What is the function of neurotransmitters?

1. to transmit nerve impulses through dendrites

2. to stimulate the production of epinephrine

3. to transmit nerve impulses across synapses

4. none of the above

1 2 3 4

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1 2 3 4 5

For a neuron to reach an action potential, it must

1. release electrons.

2. absorb calcium.

3. reverse the electrical charge across the cell membrane.

4. take in sodium ions.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Refer to Figure 35–1. The cell body of a neuron collects information from which

structure?1. A

2. B

3. C

4. E

1 2 3 4

25% 25%25%25%

1 2 3 4 5

When an impulse reaches the end of a neuron, it triggers the release of

1. neurotransmitters.

2. sodium ions.

3. dendrites.

4. receptors.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

What is the function of the central nervous system?

1. to relay messages

2. to process information

3. to analyze information

4. all of the above

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which of the following is a function of the cerebrum?

1. controls conscious activities of the body

2. controls heart rate

3. controls blood pressure

4. controls breathing

1 2 3 4

25% 25%25%25%

1 2 3 4 5

The region of the brain that recognizes hunger is the

1. brain stem.

2. medulla oblongata.

3. hypothalamus.

4. thalamus.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

The ability to move your right hand is controlled by the

1. left hemisphere of the cerebrum.

2. right hemisphere of the cerebrum.

3. both the left and right hemispheres of the cerebrum.

4. neither hemisphere of the cerebrum.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

A student’s ability to think about a question and answer it correctly is directly controlled

by the1. brain stem.

2. cerebellum.

3. medulla.

4. cerebrum.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which division(s) of the peripheral nervous system transmit(s) impulses from sense organs to the central nervous system?

1. sensory division

2. motor division

3. sensory and motor divisions

4. spinal cord division

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which division of the nervous system controls the ability to dance?

1. somatic

2. autonomic

3. central

4. brain

1 2 3 4

25% 25%25%25%

1 2 3 4 5

The division of the nervous system that helps the body react to pain is the

1. somatic nervous system.

2. sensory nervous system.

3. autonomic nervous system.

4. sympathetic nervous system.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Sense organs are part of the

1. peripheral nervous system.

2. central nervous system.

3. autonomic nervous system.

4. parasympathetic nervous system.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

What are the two divisions of the peripheral nervous system?

1. brain and spinal cord

2. thalamus and hypothalamus

3. somatic and autonomic

4. sensory and motor

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which of the following general categories of sensory receptors are located everywhere in

the body except the brain?

1. thermoreceptors

2. mechanoreceptors

3. photoreceptors

4. pain receptors

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which general category of sensory receptors detects variations in temperature?

1. thermoreceptors

2. mechanoreceptors

3. photoreceptors

4. pain receptors

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Sensory receptors that are sensitive to chemicals are found in the

1. skin, body core, and hypothalamus.

2. skin, skeletal muscles, and inner ears.

3. eyes.

4. nose and taste buds.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which of the five senses contains two types of photoreceptors called rods and cones?

1. vision

2. hearing

3. smell

4. taste

1 2 3 4

25% 25%25%25%

1 2 3 4 5

In which of the following structures might an infection cause dizziness?

1. semicircular canals

2. oval window

3. eardrum

4. cochlea

1 2 3 4 5

Which labeled structure in Figure 35–2 creates pressure waves in the cochlea?

25%

25%

25%

25% 1. structure A2. structure B3. structure C4. structure D

1 2 3 4

25% 25%25%25%

1 2 3 4 5

In Figure 35–2, which labeled structure sends impulses to the brain that enable it to

determine body motion and position?1. structure A

2. structure B

3. structure C

4. structure D

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Which sense relies on the largest sense organ in the body?

1. touch

2. hearing

3. smell

4. taste

1 2 3 4

25% 25%25%25%

1 2 3 4 5

If you did not like the flavor of a certain oral liquid medicine, you could hide much of its

taste by1. closing your eyes.

2. covering your ears.

3. holding your nose.

4. folding your hands together.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Drugs that increase heart rate, blood pressure, and breathing rate are called

1. stimulants.

2. depressants.

3. opiates.

4. alcohol.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

What types of drugs slow down the activity of the central nervous system?

1. stimulants

2. depressants

3. opiates

4. cocaine

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Uncontrollable pain and sickness occur because the body cannot produce enough endorphins when

a drug user attempts to stop using

1. opiates.

2. cocaine.

3. crack.

4. marijuana.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

The most widely abused legal drug is

1. marijuana.

2. tranquilizers.

3. amphetamines.

4. alcohol.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

What system does alcohol immediately affect?

1. digestive

2. circulatory

3. nervous

4. endocrine

1 2 3 4

25% 25%25%25%

1 2 3 4 5

Alcohol does each of the following EXCEPT

1. slow reflexes.

2. stimulate heart rate.

3. impair judgment.

4. disrupt coordination.

1 2 3 4

25% 25%25%25%

1 2 3 4 5

One third of all homicides can be attributed to the effects of

1. alcohol.

2. cocaine.

3. crack.

4. opiates.

1 2

50%50%

1 2 3 4 5

There are four levels of organization in the human body: cells, tissues, organs, and organ systems.

_________________________

1. True

2. False

1 2

50%50%

1 2 3 4 5

A group of similar cells that perform a single function is called a(an) organ.

_________________________1. True

2. False

1 2

50%50%

1 2 3 4 5

The hypothalamus is to your body as the thermostat is to the internal environment of a house. _________________________

1. True

2. False

1 2

50%50%

1 2 3 4 5

Spreading out from the cell body of a neuron are short, branched extensions called axons. _________________________

1. True

2. False

1 2

50%50%

1 2 3 4 5

The propagation of an action potential is slower in myelinated axons than in axons that lack a myelin

sheath. _________________________

1. True

2. False

1 2

50%50%

1 2 3 4 5

The largest and most prominent region of the human brain that is responsible for the voluntary, or conscious, activities

of the body is the cerebellum. _________________________

1. True

2. False

1 2

50%50%

1 2 3 4 5

The brain and spinal cord can withstand considerable trauma due to the meninges acting as a shock absorber.

______________________________

1. True

2. False

1 2

50%50%

1 2 3 4 5

If you accidentally step on a tack with your bare foot, the pathway that the nerve impulse takes from your foot to your

leg is called a reflex arc. _________________________

1. True

2. False

1 2

50%50%

1 2 3 4 5

The autonomic nervous system is part of the motor division of the peripheral nervous system. _________________________

1. True

2. False

1 2

50%50%

1 2 3 4 5

Chemoreceptors are associated with the sense of smell and touch.

_________________________1. True

2. False

1 2

50%50%

1 2 3 4 5

Rods respond to light of different colors, producing color vision.

____________________1. True

2. False

1 2

50%50%

1 2 3 4 5

A person with a relatively small number of cones in the retinas may have trouble distinguishing colors.

_________________________

1. True

2. False

1 2

50%50%

1 2 3 4 5

The cochlea and the two tiny sacs located behind it help the body maintain its equilibrium. ______________________________

1. True

2. False

1 2

50%50%

1 2 3 4 5

Addiction can be defined as intentional misuse of any drug for nonmedical

purposes. _________________________1. True

2. False

1 2

50%50%

1 2 3 4 5

About 40 percent of the fatal accidents that occur on Americans highways involve the drug alcohol.

_________________________

1. True

2. False

Participant Scores

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

0 of 51 2 3 4 5

Your skin, hair, nails, and sweat and oil glands make up your

_________________________ system.

0 of 51 2 3 4 5

Neurons are classified into three types according to the ____________________

the impulse travels.

0 of 51 2 3 4 5

The process by which a stimulus produces a response that opposes the original stimulus is called ____________________ inhibition.

0 of 51 2 3 4 5

____________________ is the process by which organisms maintain a relatively stable

internal environment.

0 of 51 2 3 4 5

In most animals, axons and dendrites are clustered into bundles of fibers called

____________________.

0 of 51 2 3 4 5

Sensory neurons and motor neurons are connected by ____________________,

which carry impulses between them.

0 of 51 2 3 4 5

The myelin sheath that surrounds a single long axon leaves many gaps, called ____________________, where the

axon membrane is exposed.

0 of 51 2 3 4 5

The difference in electrical charge across the cell membrane of a resting neuron is its

resting ____________________.

0 of 51 2 3 4 5

The two major divisions of the human nervous system are the central and the

____________________ nervous systems.

Figure 35–3

0 of 51 2 3 4 5

The process illustrated in Figure 35–3 is called a(an) ____________________.

0 of 51 2 3 4 5

The turning of your head is controlled by the ____________________ nervous system, which is part of

the peripheral nervous system’s motor division.

0 of 51 2 3 4 5

Sensory receptors called _________________________ are found in the skin, skeletal muscles, and inner ears and

are sensitive to touch, pressure, stretching of muscles, sound, and motion.

0 of 51 2 3 4 5

Small muscles attached to the ____________________ of your eye change its

shape to help you focus on near or distant objects.

0 of 51 2 3 4 5

The class of drugs called ____________________ mimic natural chemicals in the brain known as endorphins, which

normally help to overcome sensations of pain.

0 of 51 2 3 4 5

Cirrhosis of the liver is a possible result of the long-term use of

____________________.

0 of 51 2 3 4 5

Compare and contrast tissues and organs.

0 of 51 2 3 4 5

What is homeostasis?

0 of 51 2 3 4 5

How can the nervous system help a person run without falling? Explain

0 of 51 2 3 4 5

Distinguish between the functions ofdendritesand axons.

0 of 51 2 3 4 5

At what location does a neuron transfer an impulse to another cell?

Figure 35–1

0 of 51 2 3 4 5

Identify the structure and its labeled parts illustrated in Figure 35–1.

0 of 51 2 3 4 5

What are the major regions of the brain?

0 of 51 2 3 4 5

How is the spinal cord like a major telephone line?

0 of 51 2 3 4 5

Why is a severe injury to the brain stem usually fatal?

0 of 51 2 3 4 5

What is a motor neuron?

0 of 51 2 3 4 5

How is a pain in your toe perceived by sensory receptors? Why is it important for

your body to sense this pain?

0 of 51 2 3 4 5

Identify the five main senses.

0 of 51 2 3 4 5

Compare and contrast the functions of rods and cones.

0 of 51 2 3 4 5

How do opiates help people overcome sensations of pain?

0 of 51 2 3 4 5

What are the cause and effect of fetal alcohol syndrome?

0 of 51 2 3 4 5

How are the cells of the human body similar to individuals in a society that work in groups to accomplish shared goals?

0 of 51 2 3 4 5

Name six of the body’s systems and describe their functions.

0 of 51 2 3 4 5

Based on the process of feedback inhibition, explain how your body maintains a relatively

constant temperature.

0 of 51 2 3 4 5

Compare resting potential and action potential in a neuron.

0 of 51 2 3 4 5

What is the function of each of the main regions of the brain?

0 of 51 2 3 4 5

Compare the effects of the sympathetic and the parasympathetic divisions of the

autonomic nervous system.

0 of 51 2 3 4 5

What are the five general categories of sensory receptors? Where are they located

in the body?

0 of 51 2 3 4 5

How would you design an experiment to show that much of what people actually taste in food

depends on their sense of smell?

0 of 51 2 3 4 5

People who have to drive long distances sometimes take stimulants. How might this

practice be dangerous?

0 of 51 2 3 4 5

In the Designated Driver Program, one person in a group agrees to be the driver and not to drink any

alcohol. Why is this program important?