Question 1

Thperipheral nervous system

Accepted Answer

A) carry signals to and from the central nervous system. 
B) includes the brain. 
C) includes the spinal cord. 
D) includes sensory neurons only. 
E) includes all of these. 
A) carry signals to and from the central nervous system. 
B) includes the brain. 
C) includes the spinal cord. 
D) includes sensory neurons only. 
E) includes all of these.

Question 2

Th__________ of theyis a tissuthat is densely packewith photoreceptors.In thabovdiagraof theye, which letter identifies it?

Accepted Answer

A) lens, A 
B) vitreous body, C 
C) retina, C 
D) sclera, A 
E) cornea, D 
A) lens, A 
B) vitreous body, C 
C) retina, C 
D) sclera, A 
E) cornea, D

Question 3

Smell antaste

Accepted Answer

A) involve chemoreceptors. 
B) are chemical senses. 
C) are processed by the cerebellum. 
D) are unique to mammals. 
E) include both chemoreceptors and chemical senses. 
A) involve chemoreceptors. 
B) are chemical senses. 
C) are processed by the cerebellum. 
D) are unique to mammals. 
E) include both chemoreceptors and chemical senses.

Question 4

If a person suffers a spinal corinjury that is to thlower region of thcord, what woulthmost probabloutcombe?

Accepted Answer

A) paralysis of the arms 
B) paralysis of the legs 
C) paralysis of all limbs 
D) paralysis of the muscles used to breath 
E) both paralysis of all limbs and of the muscles used to breath 
A) paralysis of the arms 
B) paralysis of the legs 
C) paralysis of all limbs 
D) paralysis of the muscles used to breath 
E) both paralysis of all limbs and of the muscles used to breath

Question 5

Languaganabstract thought arpossibldue

Accepted Answer

A) the cerebellum. 
B) the pons. 
C) the cerebral cortex. 
D) the medulla oblongata. 
E) none of these. 
A) the cerebellum. 
B) the pons. 
C) the cerebral cortex. 
D) the medulla oblongata. 
E) none of these.

Question 6

Ecstasy

Accepted Answer

A) is a psychoactive drug. 
B) alters brain function. 
C) is an amphetamine. 
D) is all of these. 
E) is a psychoactive drug that alters brain function but is NOT an amphetamine. 
A) is a psychoactive drug. 
B) alters brain function. 
C) is an amphetamine. 
D) is all of these. 
E) is a psychoactive drug that alters brain function but is NOT an amphetamine.

Question 7

Drugs that araddictive

Accepted Answer

A) stimulate the release of dopamine. 
B) stimulate the release of serotonin. 
C) may stimulate the release of a number of neurotransmitters. 
D) are all classified as stimulants. 
E) have none of these characteristics. 
A) stimulate the release of dopamine. 
B) stimulate the release of serotonin. 
C) may stimulate the release of a number of neurotransmitters. 
D) are all classified as stimulants. 
E) have none of these characteristics.

Question 8

Which of thfollowing arnot bones of thinner ear?

Accepted Answer

A) hammer, anvil, stirrup 
B) cochlea, pinna, anvil 
C) anvil, pinna, stirrup 
D) pinna, cochlea, hammer 
E) anvil, hammer, cochlea 
A) hammer, anvil, stirrup 
B) cochlea, pinna, anvil 
C) anvil, pinna, stirrup 
D) pinna, cochlea, hammer 
E) anvil, hammer, cochlea

Question 9

Pheromones

Accepted Answer

A) are signaling molecules that are used for olfactory communication between two different species. 
B) are only used by invertebrates. 
C) require a vomeronasal organ to be detected. 
D) are signaling molecules used for olfactory communication between members of the same species. 
E) are all of these. 
A) are signaling molecules that are used for olfactory communication between two different species. 
B) are only used by invertebrates. 
C) require a vomeronasal organ to be detected. 
D) are signaling molecules used for olfactory communication between members of the same species. 
E) are all of these.

Question 10

Th__________ connects thperipheral nerves to thbrain.

Accepted Answer

A) pons 
B) gray matter 
C) white matter 
D) spinal cord 
E) medulla oblongata 
A) pons 
B) gray matter 
C) white matter 
D) spinal cord 
E) medulla oblongata

Question 11

Parasympathetic effects include

Accepted Answer

A) stimulation of urination. 
B) slowing of movements. 
C) reduced digestion. 
D) increased heart rate. 
E) all of these. 
A) stimulation of urination. 
B) slowing of movements. 
C) reduced digestion. 
D) increased heart rate. 
E) all of these.

Question 12

Vertebrates releas__________, natural chemicals that dampen thpain-relatesignals to thbrain, in responsto injury.

Accepted Answer

A) morphine 
B) prostaglandins 
C) endorphins 
D) serotonin 
E) all of these 
A) morphine 
B) prostaglandins 
C) endorphins 
D) serotonin 
E) all of these

Question 13

Neurotransmitters

Accepted Answer

A) are stored in synaptic vesicles. 
B) are chemical signals released by neurons. 
C) are released from the axon via exocytosis. 
D) bind to receptors on target cells. 
E) have all of these characteristics. 
A) are stored in synaptic vesicles. 
B) are chemical signals released by neurons. 
C) are released from the axon via exocytosis. 
D) bind to receptors on target cells. 
E) have all of these characteristics.

Question 14

When a neuron is not being stimulated, its membranpotential is classifieas

Accepted Answer

A) resting potential. 
B) threshold potential. 
C) action potential. 
D) inactive potential. 
E) inhibitory potential. 
A) resting potential. 
B) threshold potential. 
C) action potential. 
D) inactive potential. 
E) inhibitory potential.

Question 15

Thorgans of thcentral nervous systearcovereby protectivmembranes called

Accepted Answer

A) myelin. 
B) gray matter. 
C) white matter. 
D) meninges. 
E) none of these. 
A) myelin. 
B) gray matter. 
C) white matter. 
D) meninges. 
E) none of these.

Question 16

Referring to thabovdiagraof thbrain, identifies which region?

Accepted Answer

A) hypothalamus 
B) pons 
C) cerebrum 
D) cerebellum 
E) thalamus 
A) hypothalamus 
B) pons 
C) cerebrum 
D) cerebellum 
E) thalamus

Question 17

Which lobof thcerebrucontrols thintegration of visual signals?

Accepted Answer

A) frontal 
B) parietal 
C) occipital 
D) temporal 
E) primary somatosensory cortex 
A) frontal 
B) parietal 
C) occipital 
D) temporal 
E) primary somatosensory cortex

Question 18

A reflex

Accepted Answer

A) only involves the use of sensory neurons. 
B) is an automatic response to a stimulus that requires considerable thought. 
C) is an automatic response to a stimulus that doesn't require thought. 
D) is a and b only. 
E) is a and c only. 
A) only involves the use of sensory neurons. 
B) is an automatic response to a stimulus that requires considerable thought. 
C) is an automatic response to a stimulus that doesn't require thought. 
D) is a and b only. 
E) is a and c only.

Question 19

Thnervous systeof vertebrates has how many divisions?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) variable, depending on the animal 
A) 1 
B) 2 
C) 3 
D) 4 
E) variable, depending on the animal

Question 20

In order to establish a membranpotential, thcytoplasmic fluiis __________ compareto thinterstitial fluid

Accepted Answer

A) more positively charged 
B) more negatively charged 
C) hypertonic 
D) hypotonic 
E) none of these 
A) more positively charged 
B) more negatively charged 
C) hypertonic 
D) hypotonic 
E) none of these

Exam 24: Neural Control and the Senses

Thperipheral nervous system

Th__________ of theyis a tissuthat is densely packewith photoreceptors.In thabovdiagraof theye, which letter identifies it?

Smell antaste

If a person suffers a spinal corinjury that is to thlower region of thcord, what woulthmost probabloutcombe?

Languaganabstract thought arpossibldue

Ecstasy

Drugs that araddictive

Which of thfollowing arnot bones of thinner ear?

Pheromones

Th__________ connects thperipheral nerves to thbrain.

Parasympathetic effects include

Vertebrates releas__________, natural chemicals that dampen thpain-relatesignals to thbrain, in responsto injury.

Neurotransmitters

When a neuron is not being stimulated, its membranpotential is classifieas

Thorgans of thcentral nervous systearcovereby protectivmembranes called

Referring to thabovdiagraof thbrain, identifies which region?

Which lobof thcerebrucontrols thintegration of visual signals?

A reflex

Thnervous systeof vertebrates has how many divisions?

In order to establish a membranpotential, thcytoplasmic fluiis __________ compareto thinterstitial fluid

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolutionunit

Population Ecology

Communities and Ecosystems

The Biosphere and Human Eff Ects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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