Question 1

Which of the following associations of bone structures and functions is not correct?

Accepted Answer

A)  osteoblasts - cells that build bone tissue 
B)  osteoclasts - cells that break down bone tissue 
C)  osteons - tubular units of compact bone 
D)  red bone marrow - fat-storage tissue 
E)  lacunae - tiny chambers in concentric circles around a central canal 
A)  osteoblasts - cells that build bone tissue 
B)  osteoclasts - cells that break down bone tissue 
C)  osteons - tubular units of compact bone 
D)  red bone marrow - fat-storage tissue 
E)  lacunae - tiny chambers in concentric circles around a central canal

Question 2

Which of the following statements about the insect exoskeleton is NOT true?

Accepted Answer

A)  The exoskeleton protects insects against predators and drying out. 
B)  The insect exoskeleton is jointed and movable. 
C)  The insect exoskeleton grows with the organism. 
D)  The insect exoskeleton is made of a complex form of carbohydrate called chitin. 
E)  The insect exoskeleton has muscles attached to it from the inside of the body. 
A)  The exoskeleton protects insects against predators and drying out. 
B)  The insect exoskeleton is jointed and movable. 
C)  The insect exoskeleton grows with the organism. 
D)  The insect exoskeleton is made of a complex form of carbohydrate called chitin. 
E)  The insect exoskeleton has muscles attached to it from the inside of the body.

Question 3

Which of the following statements about the muscular system is NOT true?

Accepted Answer

A)  The human muscular system contains three kinds of muscle tissue. 
B)  Muscles work in antagonistic pairs across a joint. 
C)  Muscles are attached to bones by tendons. 
D)  Muscles can move a bone by pushing or pulling it as they contract. 
E)  Tetanus and tone are features of normal muscle tissue. 
A)  The human muscular system contains three kinds of muscle tissue. 
B)  Muscles work in antagonistic pairs across a joint. 
C)  Muscles are attached to bones by tendons. 
D)  Muscles can move a bone by pushing or pulling it as they contract. 
E)  Tetanus and tone are features of normal muscle tissue.

Question 4

The radius is to the ulna as the

Accepted Answer

A)  tibia is to the femur. 
B)  fibula is to the ulna. 
C)  fibula is to the tibia. 
D)  humerus is to the femur. 
A)  tibia is to the femur. 
B)  fibula is to the ulna. 
C)  fibula is to the tibia. 
D)  humerus is to the femur.

Question 5

The elbow and knee are examples of ______ joints.

Accepted Answer

A)  immovable 
B)  fibrous 
C)  cartilaginous 
D)  synovial 
E)  ball-and-socket 
A)  immovable 
B)  fibrous 
C)  cartilaginous 
D)  synovial 
E)  ball-and-socket

Question 6

The sarcoplasmic reticulum releases calcium ions when stimulated directly by the

Accepted Answer

A)  sarcolemma. 
B)  neuromuscular junction. 
C)  tropomyosin. 
D)  axon bulb. 
E)  T tubule. 
A)  sarcolemma. 
B)  neuromuscular junction. 
C)  tropomyosin. 
D)  axon bulb. 
E)  T tubule.

Question 7

Which of the following statements about the vertebrae is NOT true?

Accepted Answer

A)  Twenty-six vertebrae make up the vertebral column. 
B)  The vertebrae form a dorsal backbone. 
C)  The vertebrae help form 4 curvatures of the spine. 
D)  The vertebrae are separated by intervertebral disks. 
E)  The vertebrae protect the spinal cord. 
A)  Twenty-six vertebrae make up the vertebral column. 
B)  The vertebrae form a dorsal backbone. 
C)  The vertebrae help form 4 curvatures of the spine. 
D)  The vertebrae are separated by intervertebral disks. 
E)  The vertebrae protect the spinal cord.

Question 8

Which of the following groups of organisms will all possess hydrostatic skeletons?

Accepted Answer

A)  planaria, hydras and earthworms 
B)  planaria, hyrdas, crayfish 
C)  earthworms, crayfish and sea stars 
D)  butterflies, cats and clams 
E)  bluegill, lobster and planaria 
A)  planaria, hydras and earthworms 
B)  planaria, hyrdas, crayfish 
C)  earthworms, crayfish and sea stars 
D)  butterflies, cats and clams 
E)  bluegill, lobster and planaria

Question 9

List the five major functions of the skeletal system.

Accepted Answer

1. Support of the body
2. Prot

Question 10

Muscle contraction is triggered

Accepted Answer

A)  when high levels of oxygen and sugar are released by the sarcolemma. 
B)  when a surplus of ATP is released by a nerve motor unit. 
C)  by release of a neurotransmitter at a synapse that directly causes actin and myosin to slide. 
D)  by the nerve releasing a neurotransmitter, which triggers a flow of calcium that attaches to actin filaments and exposes the myosin binding sites. 
E)  by the nerve releasing a neurotransmitter, which triggers a flow of calcium that releases ATP and begins the actin filaments sliding across the myosin binding sites. 
A)  when high levels of oxygen and sugar are released by the sarcolemma. 
B)  when a surplus of ATP is released by a nerve motor unit. 
C)  by release of a neurotransmitter at a synapse that directly causes actin and myosin to slide. 
D)  by the nerve releasing a neurotransmitter, which triggers a flow of calcium that attaches to actin filaments and exposes the myosin binding sites. 
E)  by the nerve releasing a neurotransmitter, which triggers a flow of calcium that releases ATP and begins the actin filaments sliding across the myosin binding sites.

Question 11

Which feature of the mammalian skeleton provides an advantage for animals that are land based predators?

Accepted Answer

A)  Walking on their toes. 
B)  Elongated hindlimbs that propel them forward. 
C)  Bipedal locomotion on the soles of the feet. 
D)  Long legs and running on the tips of elongated phalanges. 
E)  All of these are advantages for land based predators. 
A)  Walking on their toes. 
B)  Elongated hindlimbs that propel them forward. 
C)  Bipedal locomotion on the soles of the feet. 
D)  Long legs and running on the tips of elongated phalanges. 
E)  All of these are advantages for land based predators.

Exam 39: Locomotion and Support Systems

Which of the following associations of bone structures and functions is not correct?

Which of the following statements about the insect exoskeleton is NOT true?

Which of the following statements about the muscular system is NOT true?

The radius is to the ulna as the

The elbow and knee are examples of ______ joints.

The sarcoplasmic reticulum releases calcium ions when stimulated directly by the

Which of the following statements about the vertebrae is NOT true?

Which of the following groups of organisms will all possess hydrostatic skeletons?

List the five major functions of the skeletal system.

Muscle contraction is triggered

Which feature of the mammalian skeleton provides an advantage for animals that are land based predators?

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy, Systematics, and Phylogeny

Viruses, Bacteria, and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structureand Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Hormones and Endocrine Systems

Reproductive Systems

Animal Development

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

Filters