Question 1

Suppose a person could go days between eating but not feel hungry.What part of his or her brain may be affected?

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 2

The activation of the parasympathetic branch of the autonomic nervous system is associated with

Accepted Answer

A) resting and digesting. 
B) release of epinephrine into the blood. 
C) increased metabolic rate. 
D) fight-or-flight responses. 
E) intensive aerobic exercise. 
A) resting and digesting. 
B) release of epinephrine into the blood. 
C) increased metabolic rate. 
D) fight-or-flight responses. 
E) intensive aerobic exercise.

Question 3

The cochlea is an organ of auditory transduction that contains

Accepted Answer

A) fluid and cells that can undergo mechanosensory transduction. 
B) air and cells that produce wax. 
C) air and small bones that vibrate in response to sound waves. 
D) fluid with stacks of chemosensory cells. 
E) air and statocysts activated by movement. 
A) fluid and cells that can undergo mechanosensory transduction. 
B) air and cells that produce wax. 
C) air and small bones that vibrate in response to sound waves. 
D) fluid with stacks of chemosensory cells. 
E) air and statocysts activated by movement.

Question 4

Juan is a 67-year-old male who has been diagnosed with a brain tumor.Notably,Juan experiences rapid fluctuations in his heart rate even when at rest.Where is his tumor likely located?

Accepted Answer

A) corpus callosum 
B) medulla oblongata 
C) thalamus 
D) pituitary 
E) cerebellum 
A) corpus callosum 
B) medulla oblongata 
C) thalamus 
D) pituitary 
E) cerebellum

Question 5

How does fMRI measure brain activity?

Accepted Answer

A) by measuring changes in oxygen concentration 
B) by measuring changes in pressure 
C) by measuring changes in blood flow 
D) by measuring changes in temperature 
A) by measuring changes in oxygen concentration 
B) by measuring changes in pressure 
C) by measuring changes in blood flow 
D) by measuring changes in temperature

Question 6

A cone exposed to light will

Accepted Answer

A) undergo a graded depolarization that will increase its release of glutamate. 
B) undergo a graded hyperpolarization that will increase its release of glutamate. 
C) undergo a graded depolarization that will decrease its release of glutamate. 
D) undergo a graded hyperpolarization that will decrease its release of glutamate. 
A) undergo a graded depolarization that will increase its release of glutamate. 
B) undergo a graded hyperpolarization that will increase its release of glutamate. 
C) undergo a graded depolarization that will decrease its release of glutamate. 
D) undergo a graded hyperpolarization that will decrease its release of glutamate.

Question 7

-Cataracts are a medical condition that result in clouding of the eye structure that focuses light and can be caused by aging,trauma,and radiation.What structure is most affected in cataracts?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 8

Artificial electrical stimulation of a human's menthol-sensitive neurons would likely produce the sensation of

Accepted Answer

A) cold temperature. 
B) hot temperature. 
C) tactile stimulus. 
D) odor of pepper. 
E) deep pressure. 
A) cold temperature. 
B) hot temperature. 
C) tactile stimulus. 
D) odor of pepper. 
E) deep pressure.

Question 9

Injury to just the hypothalamus would most likely disrupt

Accepted Answer

A) regulation of body temperature. 
B) short-term memory. 
C) executive functions,such as decision making. 
D) sorting of sensory information. 
A) regulation of body temperature. 
B) short-term memory. 
C) executive functions,such as decision making. 
D) sorting of sensory information.

Question 10

What would you expect to see in an fMRI analysis of person who is experiencing hunger?

Accepted Answer

A) large changes in oxygen concentration in the cerebellum 
B) small changes in oxygen concentration in the limbic system 
C) large changes in oxygen concentration in the hypothalamus 
D) small changes in oxygen concentration in the cerebrum 
A) large changes in oxygen concentration in the cerebellum 
B) small changes in oxygen concentration in the limbic system 
C) large changes in oxygen concentration in the hypothalamus 
D) small changes in oxygen concentration in the cerebrum

Question 11

Afferent neuronal systems include the

Accepted Answer

A) sensory systems. 
B) entire peripheral nervous system. 
C) autonomic nervous system. 
D) parasympathetic nervous system. 
E) sympathetic nervous system. 
A) sensory systems. 
B) entire peripheral nervous system. 
C) autonomic nervous system. 
D) parasympathetic nervous system. 
E) sympathetic nervous system.

Question 12

Amar is a 67-year-old male who has been diagnosed with a brain tumor.Notably,Amar experiences rapid fluctuations in his breathing patterns even when at rest.Where is his tumor likely located?

Accepted Answer

A) thalamus 
B) cerebellum 
C) medulla oblongata 
D) corpus callosum 
E) cerebrum 
A) thalamus 
B) cerebellum 
C) medulla oblongata 
D) corpus callosum 
E) cerebrum

Question 13

Figure 38.1
-A person is having trouble deciphering emotions.Which structure labeled in Figure 38.1 would be affected?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 14

The coordination of groups of skeletal muscles is driven by activity in 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 15

While attempting to capture the scorpion,the mouse's heart rate increases,and there is an increase in epinephrine in the mouse's blood.What nervous system division is responsible for the mouse's physiological state?

Accepted Answer

A) enteric 
B) sensory 
C) sympathetic 
D) parasympathetic 
A) enteric 
B) sensory 
C) sympathetic 
D) parasympathetic

Question 16

Tastes and smells are distinct kinds of environmental information in that

Accepted Answer

A) odorants are airborne,and tastants are present in fluids. 
B) humans can detect many more types of tastants than odorants. 
C) distinguishing tastant molecules requires learning,whereas smell discrimination is an innate process. 
D) odorants bind to receptor proteins,but none of the tastant stimuli will bind to receptors. 
A) odorants are airborne,and tastants are present in fluids. 
B) humans can detect many more types of tastants than odorants. 
C) distinguishing tastant molecules requires learning,whereas smell discrimination is an innate process. 
D) odorants bind to receptor proteins,but none of the tastant stimuli will bind to receptors.

Question 17

Please use the following information to answer the questions below.
The southern grasshopper mouse feeds regularly on the Arizona bark scorpion,the most venomous scorpion in the United States.While attempting to capture the scorpion,the mouse usually gets stung multiple times by the scorpion but does not seem to be affected.
-What type of sensory receptor in the mouse seems to be immune to the scorpion's sting and venom?

Accepted Answer

A) thermoreceptors 
B) chemoreceptors 
C) electromagnetic receptors 
D) nociceptors 
A) thermoreceptors 
B) chemoreceptors 
C) electromagnetic receptors 
D) nociceptors

Question 18

-Amyotrophic lateral sclerosis (ALS)is a progressive neurodegenerative disorder that results in skeletal muscle wasting and weakness.What lobe is most affected in ALS?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 19

What would be the best experiment to conduct to determine if the grasshopper mouse is unique among mouse species in that it does not feel pain when stung by the bark scorpion?

Accepted Answer

A) Inject a grasshopper mouse with bark scorpion venom,and measure its brain activity in regards to pain reception.Then inject the same grasshopper mouse with other venoms,and measure its pain response. 
B) Inject other species of mice with bark scorpion venom,and measure their brain activity in regards to pain reception.Compare their pain responses to that of the grasshopper mouse. 
C) Inject a grasshopper mouse with bark scorpion venom,and measure its brain activity in regards to pain reception.Then inject the same grasshopper mouse with a benign salt solution,and measure its pain response. 
D) Inject other species of mice with bark scorpion venom,and measure their brain activity in regards to pain reception.Compare their pain responses to that of the grasshopper mouse and also to their level of pain response when injected with a benign salt solution. 
A) Inject a grasshopper mouse with bark scorpion venom,and measure its brain activity in regards to pain reception.Then inject the same grasshopper mouse with other venoms,and measure its pain response. 
B) Inject other species of mice with bark scorpion venom,and measure their brain activity in regards to pain reception.Compare their pain responses to that of the grasshopper mouse. 
C) Inject a grasshopper mouse with bark scorpion venom,and measure its brain activity in regards to pain reception.Then inject the same grasshopper mouse with a benign salt solution,and measure its pain response. 
D) Inject other species of mice with bark scorpion venom,and measure their brain activity in regards to pain reception.Compare their pain responses to that of the grasshopper mouse and also to their level of pain response when injected with a benign salt solution.

Question 20

What nervous system components would you expect to find in a cephalized invertebrate such as a beetle?

Accepted Answer

A) a nerve net 
B) nerve cords and transverse nerves 
C) a brain,ventral nerve cords,and segmental ganglia 
D) a brain,spinal cord,and sensory ganglia 
A) a nerve net 
B) nerve cords and transverse nerves 
C) a brain,ventral nerve cords,and segmental ganglia 
D) a brain,spinal cord,and sensory ganglia

Exam 38: Nervous and Sensory Systems

Suppose a person could go days between eating but not feel hungry.What part of his or her brain may be affected?

The activation of the parasympathetic branch of the autonomic nervous system is associated with

The cochlea is an organ of auditory transduction that contains

Juan is a 67-year-old male who has been diagnosed with a brain tumor.Notably,Juan experiences rapid fluctuations in his heart rate even when at rest.Where is his tumor likely located?

How does fMRI measure brain activity?

A cone exposed to light will

-Cataracts are a medical condition that result in clouding of the eye structure that focuses light and can be caused by aging,trauma,and radiation.What structure is most affected in cataracts?

Artificial electrical stimulation of a human's menthol-sensitive neurons would likely produce the sensation of

Injury to just the hypothalamus would most likely disrupt

What would you expect to see in an fMRI analysis of person who is experiencing hunger?

Afferent neuronal systems include the

Amar is a 67-year-old male who has been diagnosed with a brain tumor.Notably,Amar experiences rapid fluctuations in his breathing patterns even when at rest.Where is his tumor likely located?

Figure 38.1 -A person is having trouble deciphering emotions.Which structure labeled in Figure 38.1 would be affected?

The coordination of groups of skeletal muscles is driven by activity in the

While attempting to capture the scorpion,the mouse's heart rate increases,and there is an increase in epinephrine in the mouse's blood.What nervous system division is responsible for the mouse's physiological state?

Tastes and smells are distinct kinds of environmental information in that

-Amyotrophic lateral sclerosis (ALS)is a progressive neurodegenerative disorder that results in skeletal muscle wasting and weakness.What lobe is most affected in ALS?

What would be the best experiment to conduct to determine if the grasshopper mouse is unique among mouse species in that it does not feel pain when stung by the bark scorpion?

What nervous system components would you expect to find in a cephalized invertebrate such as a beetle?

Introduction: Evolution and the Foundations of Biology

The Chemical Context of Life

Carbon and the Molecular Diversity of Life

A Tour of the Cell

Membrane Transport and Cell Signaling

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

Gene Expression: From Gene to Protein

Regulation of Gene Expression

Development,stem Cells,and Cancer

Viruses

Genomes and Their Evolution

Descent With Modification

Phylogeny

The Evolution of Populations

The Origin of Species

Broad Patterns of Evolution

Early Life and the Diversification of Prokaryotes

The Origin and Diversification of Eukaryotes

The Colonization of Land by Plants and Fungi

The Rise of Animal Diversity

Plant Structure and Growth

Resource Acquisition,nutrition,and Transport in Vascular Plants

Reproduction and Domestication of Flowering Plants

Plant Responses to Internal and External Signals

Homeostasis and Endocrine Signaling

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Reproduction and Development

Neurons,synapses,and Signaling

Motor Mechanisms and Behavior

Population Ecology and the Distribution of Organisms

Ecological Communities

Ecosystems and Energy

Conservation Biology and Global Change

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