Question 1

Figure 40-2 .   Contraction of the fibers labeled A in the accompanying figure results in:

Accepted Answer

A)  elongation of the body. 
B)  elongation of the tentacles. 
C)  elongation of the gastrovascular cavity. 
D)  shortening of the body. 
E)  expansion of the pedal disk. 
A)  elongation of the body. 
B)  elongation of the tentacles. 
C)  elongation of the gastrovascular cavity. 
D)  shortening of the body. 
E)  expansion of the pedal disk.

Question 2

The difference between spongy bone and compact bone is that spongy bone:

Accepted Answer

A)  is found near the surfaces of bone, while compact bone is found interiorly. 
B)  consists of osteons, while the compact consists of thin strands of bone. 
C)  is filled with red bone marrow, while compact bone is not. 
D)  occupies the diaphysis, while compact bone occupies the epiphysis. 
E)  is involved in bone development, while compact bone is not. 
A)  is found near the surfaces of bone, while compact bone is found interiorly. 
B)  consists of osteons, while the compact consists of thin strands of bone. 
C)  is filled with red bone marrow, while compact bone is not. 
D)  occupies the diaphysis, while compact bone occupies the epiphysis. 
E)  is involved in bone development, while compact bone is not.

Question 3

Troponin and tropomyosin regulate:

Accepted Answer

A)  calcium storage and release. 
B)  actin and myosin interactions. 
C)  action potential transmission. 
D)  acetylcholine storage and release. 
E)  rate of muscle fiber division. 
A)  calcium storage and release. 
B)  actin and myosin interactions. 
C)  action potential transmission. 
D)  acetylcholine storage and release. 
E)  rate of muscle fiber division.

Question 4

The basic unit of muscle contraction is known as the:

Accepted Answer

A)  sarcoplasmic reticulum. 
B)  transverse tubule. 
C)  sarcomere. 
D)  sarcolemma. 
E)  motor unit. 
A)  sarcoplasmic reticulum. 
B)  transverse tubule. 
C)  sarcomere. 
D)  sarcolemma. 
E)  motor unit.

Question 5

Which of the following groups of vertebrae are located closest to the head?

Accepted Answer

A)  sacral 
B)  thoracic 
C)  cervical 
D)  coccygeal 
E)  cranial 
A)  sacral 
B)  thoracic 
C)  cervical 
D)  coccygeal 
E)  cranial

Question 6

Which class of bones are part of the appendicular skeletal division?

Accepted Answer

A)  skull 
B)  vertebral column 
C)  ribs 
D)  pelvis 
E)  sternum 
A)  skull 
B)  vertebral column 
C)  ribs 
D)  pelvis 
E)  sternum

Question 7

A major function of keratin is to:

Accepted Answer

A)  absorb UV radiation. 
B)  insulate the body. 
C)  nourish sensory receptors. 
D)  synthesize fats and waxes. 
E)  create a diffusion barrier. 
A)  absorb UV radiation. 
B)  insulate the body. 
C)  nourish sensory receptors. 
D)  synthesize fats and waxes. 
E)  create a diffusion barrier.

Question 8

During the process of muscle contraction, Ca2+ binds tropomyosin . 
____________________

Accepted Answer

A) True 
 B)False

Exam 40: Protection Support and Movement

Figure 40-2 . Contraction of the fibers labeled A in the accompanying figure results in:

The difference between spongy bone and compact bone is that spongy bone:

Troponin and tropomyosin regulate:

The basic unit of muscle contraction is known as the:

Which of the following groups of vertebrae are located closest to the head?

Which class of bones are part of the appendicular skeletal division?

A major function of keratin is to:

During the process of muscle contraction, Ca2+ binds tropomyosin . ____________________

A View of Life

Atoms and Molecules the Chemical Basis of Life

The Chemistry of Life Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp Energy-Releasing Pathways

Photosynthesis Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure Growth and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function an Introduction

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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During the process of muscle contraction, Ca²⁺ binds tropomyosin . ____________________