Question 1

Arrange the steps of one of the two reflex pathway in the correct order.

Accepted Answer

A)  stimulus → receptors → afferent neurons → interneurons → efferent neurons → muscle inhibition 
B)  stimulus → receptors → afferent neurons → efferent neurons → muscle inhibition 
C)  stimulus → receptors → afferent neurons → interneurons → efferent neurons → muscle activation 
D)  stimulus → receptors → efferent neurons → interneurons → afferent neurons → muscle inhibition 
E)  stimulus → receptors → efferent neurons → afferent neurons → muscle activation 
A)  stimulus → receptors → afferent neurons → interneurons → efferent neurons → muscle inhibition 
B)  stimulus → receptors → afferent neurons → efferent neurons → muscle inhibition 
C)  stimulus → receptors → afferent neurons → interneurons → efferent neurons → muscle activation 
D)  stimulus → receptors → efferent neurons → interneurons → afferent neurons → muscle inhibition 
E)  stimulus → receptors → efferent neurons → afferent neurons → muscle activation

Question 2

The occipital lobe of the brain is responsible for ____.

Accepted Answer

A)  speech 
B)  memory 
C)  smell 
D)  coordination of movement 
E)  vision 
A)  speech 
B)  memory 
C)  smell 
D)  coordination of movement 
E)  vision

Question 3

Sensitization is a type of memory in which increased responsiveness to mild stimuli occurs after experiencing a strong stimulus.

Accepted Answer

A) True 
 B)False

Question 4

In an experiment, the development of the frontal lobe of a rat was inhibited. Predict the most likely consequence of this procedure.

Accepted Answer

A)  The rat was not able to make noises. 
B)  The rat was unable to move. 
C)  The rat was unable to detect touch. 
D)  The rat was not able to process visual input. 
E)  The rat could not hear. 
A)  The rat was not able to make noises. 
B)  The rat was unable to move. 
C)  The rat was unable to detect touch. 
D)  The rat was not able to process visual input. 
E)  The rat could not hear.

Question 5

Autonomic nervous system pathways contain ____.

Accepted Answer

A)  three neurons 
B)  two neurons 
C)  one neuron 
D)  four neurons 
E)  no neurons 
A)  three neurons 
B)  two neurons 
C)  one neuron 
D)  four neurons 
E)  no neurons

Question 6

During conscious quiet rest, the brain is emitting ____.

Accepted Answer

A)  alpha waves 
B)  beta waves 
C)  delta waves 
D)  gamma waves 
E)  rapid, irregular waves 
A)  alpha waves 
B)  beta waves 
C)  delta waves 
D)  gamma waves 
E)  rapid, irregular waves

Question 7

One of your friends is an excellent pianist. Which statement could be used to describe your friend?

Accepted Answer

A)  Her limbic system is very well developed. 
B)  Her right hemisphere is well developed for musical ability. 
C)  Her left hemisphere is well developed for musical ability. 
D)  Her reticular formation is well developed for musical ability. 
E)  Her right hemisphere is well developed for control over the right side of the body. 
A)  Her limbic system is very well developed. 
B)  Her right hemisphere is well developed for musical ability. 
C)  Her left hemisphere is well developed for musical ability. 
D)  Her reticular formation is well developed for musical ability. 
E)  Her right hemisphere is well developed for control over the right side of the body.

Question 8

Which substance can easily cross the human blood-brain barrier in a healthy individual?

Accepted Answer

A)  viral proteins 
B)  bacterial DNA 
C)  human white blood cells 
D)  cortisol 
E)  albumin 
A)  viral proteins 
B)  bacterial DNA 
C)  human white blood cells 
D)  cortisol 
E)  albumin

Question 9

Identify the animal with the most advanced nervous system.

Accepted Answer

A)  a flatworm 
B)  an arthropod 
C)  a chordate 
D)  a mollusk 
E)  an echinoderm 
A)  a flatworm 
B)  an arthropod 
C)  a chordate 
D)  a mollusk 
E)  an echinoderm

Question 10

A PET scan can be used to monitor ________ when a person is performing specific _______ tasks.

Accepted Answer

A)  brain activity; physical 
B)  glucose activity; physical 
C)  brain activity; mental 
D)  hemoglobin activity; mental 
E)  hemoglobin; physical 
A)  brain activity; physical 
B)  glucose activity; physical 
C)  brain activity; mental 
D)  hemoglobin activity; mental 
E)  hemoglobin; physical

Question 11

A young woman develops a tumor in her pituitary gland. Which symptoms might the doctor use to diagnose this tumor?

Accepted Answer

A)  inability to regulate temperature 
B)  inability to formulate new memories 
C)  inability to recognize faces 
D)  increase in anger 
E)  decrease in sensation in feet 
A)  inability to regulate temperature 
B)  inability to formulate new memories 
C)  inability to recognize faces 
D)  increase in anger 
E)  decrease in sensation in feet

Question 12

Brain tumors in children are very common in the cerebellum. Which symptoms might lead a doctor to suspect this type of tumor?

Accepted Answer

A)  difficulty hearing 
B)  difficulty seeing 
C)  difficulty walking 
D)  forgetting previously learned skills 
E)  suddenly starting to speak in gibberish 
A)  difficulty hearing 
B)  difficulty seeing 
C)  difficulty walking 
D)  forgetting previously learned skills 
E)  suddenly starting to speak in gibberish

Question 13

What region of the five-week-old embryo gives rise to the cerebrum?

Accepted Answer

A)  telencephalon 
B)  diencephalon 
C)  mesencephalon 
D)  metencephalon 
E)  myelencephalon 
A)  telencephalon 
B)  diencephalon 
C)  mesencephalon 
D)  metencephalon 
E)  myelencephalon

Question 14

Reptiles have a smaller brain than amphibians of the same body size.

Accepted Answer

A) True 
 B)False

Question 15

Gray matter is composed of axons with myelin sheaths.

Accepted Answer

A) True 
 B)False

Question 16

Which function is most likely controlled primarily by the gray-matter centers in the brain stem?

Accepted Answer

A)  vomiting 
B)  learning 
C)  patellar tendon reflex 
D)  writing 
E)  pain recognition 
A)  vomiting 
B)  learning 
C)  patellar tendon reflex 
D)  writing 
E)  pain recognition

Question 17

Bob dreamt he was biking for five hours. The actual time he was in ____ sleep was probably about ____ minutes.

Accepted Answer

A)  beta; 15-20 
B)  EEG; 10-5 
C)  REM; 60-90 
D)  REM; 10-15 
E)  EEG; 90 
A)  beta; 15-20 
B)  EEG; 10-5 
C)  REM; 60-90 
D)  REM; 10-15 
E)  EEG; 90

Question 18

During a nap, the brain is emitting ____.

Accepted Answer

A)  alpha waves 
B)  beta waves 
C)  delta waves 
D)  gamma waves 
E)  theta waves 
A)  alpha waves 
B)  beta waves 
C)  delta waves 
D)  gamma waves 
E)  theta waves

Question 19

Detection and response to environmental cues or stimuli are primarily functions of ____.

Accepted Answer

A)  metabolism 
B)  the nervous system 
C)  catabolism 
D)  the digestive system 
E)  thermodynamics 
A)  metabolism 
B)  the nervous system 
C)  catabolism 
D)  the digestive system 
E)  thermodynamics

Question 20

Memories are associated with which brain regions?

Accepted Answer

A)  parietal lobe of the cortex 
B)  frontal lobe of the cortex 
C)  parietal-temporal-occipital association cortex 
D)  limbic association cortex 
E)  prefrontal association cortex 
A)  parietal lobe of the cortex 
B)  frontal lobe of the cortex 
C)  parietal-temporal-occipital association cortex 
D)  limbic association cortex 
E)  prefrontal association cortex

Exam 40: Nervous Systems

Arrange the steps of one of the two reflex pathway in the correct order.

The occipital lobe of the brain is responsible for ____.

Sensitization is a type of memory in which increased responsiveness to mild stimuli occurs after experiencing a strong stimulus.

In an experiment, the development of the frontal lobe of a rat was inhibited. Predict the most likely consequence of this procedure.

Autonomic nervous system pathways contain ____.

During conscious quiet rest, the brain is emitting ____.

One of your friends is an excellent pianist. Which statement could be used to describe your friend?

Which substance can easily cross the human blood-brain barrier in a healthy individual?

Identify the animal with the most advanced nervous system.

A PET scan can be used to monitor ________ when a person is performing specific _______ tasks.

A young woman develops a tumor in her pituitary gland. Which symptoms might the doctor use to diagnose this tumor?

Brain tumors in children are very common in the cerebellum. Which symptoms might lead a doctor to suspect this type of tumor?

What region of the five-week-old embryo gives rise to the cerebrum?

Reptiles have a smaller brain than amphibians of the same body size.

Gray matter is composed of axons with myelin sheaths.

Which function is most likely controlled primarily by the gray-matter centers in the brain stem?

Bob dreamt he was biking for five hours. The actual time he was in ____ sleep was probably about ____ minutes.

During a nap, the brain is emitting ____.

Detection and response to environmental cues or stimuli are primarily functions of ____.

Memories are associated with which brain regions?

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Digestive Systems and Animal Nutrition

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

A PET scan can be used to monitor __ when a person is performing specific _ tasks.

Bob dreamt he was biking for five hours. The actual time he was in sleep was probably about minutes.