Question 1

Which invertebrate species has exactly 302 neurons?

Accepted Answer

A) Caenorhabditis elegans 
B) planarian 
C) echinoderm 
D) cnidarian 
E) Chironex fleckeri 
A) Caenorhabditis elegans 
B) planarian 
C) echinoderm 
D) cnidarian 
E) Chironex fleckeri

Question 2

The system that modulates excitation and inhibition of smooth and cardiac muscles of the digestive, cardiovascular, and excretory systems is the

Accepted Answer

A) central nervous system. 
B) peripheral nervous system. 
C) autonomic nervous system. 
D) parasympathetic nervous system. 
E) sympathetic nervous system. 
A) central nervous system. 
B) peripheral nervous system. 
C) autonomic nervous system. 
D) parasympathetic nervous system. 
E) sympathetic nervous system.

Question 3

Use the following information to answer the next few questions.
While deployed to Agfanistan, a soldier steps on a landmine and loses the lower portion of his right leg and also sustains a substantial brain injury. In time, doctors observe that the soldier is not acquiring new long-term memories since the explosion occurred; however, his recollection of times previous to the explosion is impeccable. Sometimes the soldier can feel a tingling sensation in his missing limb.
-Over time, the soldier's phantom limb syndrome subsides and he rarely "feels" his missing limb. This is an example of

Accepted Answer

A) neural plasticity. 
B) somatosensory regeneration. 
C) autonomic arousal. 
D) reticular formation. 
E) sympathetic response. 
A) neural plasticity. 
B) somatosensory regeneration. 
C) autonomic arousal. 
D) reticular formation. 
E) sympathetic response.

Question 4

Hormones that are secreted by the posterior pituitary gland are made 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 5

An adolescent decides to take a risky jump from the roof into a shallow pool. This poorly assessed decision is indicative of a(n)

Accepted Answer

A) underdeveloped motor cortex. 
B) absent motor cortex. 
C) absent occipital lobe. 
D) malfunctioning thalamus. 
E) underdeveloped prefrontal cortex. 
A) underdeveloped motor cortex. 
B) absent motor cortex. 
C) absent occipital lobe. 
D) malfunctioning thalamus. 
E) underdeveloped prefrontal cortex.

Question 6

Although an exact count is not available, it is likely that the human brain has as many as

Accepted Answer

A) 10 000 neurons. 
B) 500 000 neurons. 
C) 1 million neurons. 
D) 10 million neurons. 
E) 100 billion neurons. 
A) 10 000 neurons. 
B) 500 000 neurons. 
C) 1 million neurons. 
D) 10 million neurons. 
E) 100 billion neurons.

Question 7

Patients with damage to Wernicke's area have difficulty

Accepted Answer

A) coordinating limb movement. 
B) generating speech. 
C) recognizing faces. 
D) understanding language. 
E) experiencing emotion. 
A) coordinating limb movement. 
B) generating speech. 
C) recognizing faces. 
D) understanding language. 
E) experiencing emotion.

Question 8

Forming new long-term memories is strikingly disrupted after damage to the

Accepted Answer

A) thalamus. 
B) hypothalamus. 
C) hippocampus. 
D) somatosensory cortex. 
E) primary motor cortex. 
A) thalamus. 
B) hypothalamus. 
C) hippocampus. 
D) somatosensory cortex. 
E) primary motor cortex.

Question 9

Short-term memory information processing usually causes changes in the

Accepted Answer

A) brainstem. 
B) medulla. 
C) hypothalamus. 
D) hippocampus. 
E) cranial nerves. 
A) brainstem. 
B) medulla. 
C) hypothalamus. 
D) hippocampus. 
E) cranial nerves.

Question 10

Myelinated neurons are especially abundant in the

Accepted Answer

A) grey matter of the brain and the white matter of the spinal cord. 
B) white matter of the brain and the grey matter of the spinal cord. 
C) grey matter of the brain and the grey matter of the spinal cord. 
D) white matter in the brain and the white matter in the spinal cord. 
E) all areas of the brain and spinal cord. 
A) grey matter of the brain and the white matter of the spinal cord. 
B) white matter of the brain and the grey matter of the spinal cord. 
C) grey matter of the brain and the grey matter of the spinal cord. 
D) white matter in the brain and the white matter in the spinal cord. 
E) all areas of the brain and spinal cord.

Question 11

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 12

Which processes in animals are regulated by circadian rhythms?

Accepted Answer

A) sleep cycles 
B) hormone release 
C) sex drive 
D) sleep cycles and hormone release only 
E) sleep cycles, hormone release, and sex drive 
A) sleep cycles 
B) hormone release 
C) sex drive 
D) sleep cycles and hormone release only 
E) sleep cycles, hormone release, and sex drive

Question 13

Calculation, contemplation, and cognition are human activities associated with increased activity in the

Accepted Answer

A) pituitary gland. 
B) hypothalamus. 
C) cerebrum. 
D) cerebellum. 
E) spinal cord. 
A) pituitary gland. 
B) hypothalamus. 
C) cerebrum. 
D) cerebellum. 
E) spinal cord.

Exam 49: Nervous Systems

Which invertebrate species has exactly 302 neurons?

The system that modulates excitation and inhibition of smooth and cardiac muscles of the digestive, cardiovascular, and excretory systems is the

Hormones that are secreted by the posterior pituitary gland are made in the

An adolescent decides to take a risky jump from the roof into a shallow pool. This poorly assessed decision is indicative of a(n)

Although an exact count is not available, it is likely that the human brain has as many as

Patients with damage to Wernicke's area have difficulty

Forming new long-term memories is strikingly disrupted after damage to the

Short-term memory information processing usually causes changes in the

Myelinated neurons are especially abundant in the

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

Which processes in animals are regulated by circadian rhythms?

Calculation, contemplation, and cognition are human activities associated with increased activity in the

Introduction: Evolution and Themes of Biology

The Chemical Context of Life

Water and Life

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Regulation of Gene Expression

Viruses

Dna Tools and Biotechnology

Genomes and Their Evolution

Descent With Modification: a Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity Ii: the Evolution of Seed Plants

Fungi

An Overview of Animal Diversity

An Introduction to Invertebrates

The Origin and Evolution of Vertebrates

Plant Structure, Growth, and Development

Resource Acquisition and Transport in Vascular Plants

Soil and Plant Nutrition

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons, Synapses, and Signalling

Sensory and Motor Mechanisms

Animal Behaviour

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems and Restoration Ecology

Conservation Biology and Global Change

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