Question 1

During contraction,

Accepted Answer

A) cross-bridges of muscle filaments are broken and reformed. 
B) ATP is used to break cross-bridges. 
C) muscle cells use glucose derived from glycogen as an energy source. 
D) glycogen depletion may lead to muscle fatigue. 
E) all of these occur. 
A) cross-bridges of muscle filaments are broken and reformed. 
B) ATP is used to break cross-bridges. 
C) muscle cells use glucose derived from glycogen as an energy source. 
D) glycogen depletion may lead to muscle fatigue. 
E) all of these occur.

Question 2

The most prevalent mineral ion stored in and released from bone tissue is

Accepted Answer

A) phosphorus. 
B) iron. 
C) calcium. 
D) magnesium. 
E) manganese. 
A) phosphorus. 
B) iron. 
C) calcium. 
D) magnesium. 
E) manganese.

Question 3

Which of the following is an example of a stretchy cord of connective tissue?

Accepted Answer

A) skull plates 
B) ligaments 
C) leg bone connected to the hip bone 
D) teeth connected to the jaw 
E) all of these 
A) skull plates 
B) ligaments 
C) leg bone connected to the hip bone 
D) teeth connected to the jaw 
E) all of these

Question 4

Andro has all of the following effects on males, EXCEPT _____?

Accepted Answer

A) increased hair loss 
B) shrunken testicles 
C) breast enlargement 
D) increased risk of heart attack 
E) proven enhancement of athletic performance 
A) increased hair loss 
B) shrunken testicles 
C) breast enlargement 
D) increased risk of heart attack 
E) proven enhancement of athletic performance

Question 5

Osteoporosis is enhanced by

Accepted Answer

A) deficient levels of calcium and vitamin D. 
B) lack of physical activity. 
C) smoking and excessive alcohol intake. 
D) excessive intake of cola drinks 
E) all of these. 
A) deficient levels of calcium and vitamin D. 
B) lack of physical activity. 
C) smoking and excessive alcohol intake. 
D) excessive intake of cola drinks 
E) all of these.

Question 6

Contraction of the biceps muscle

Accepted Answer

A) extends the arm. 
B) extends the leg. 
C) flexes the arm. 
D) flexes the leg. 
E) works with the triceps muscle. 
A) extends the arm. 
B) extends the leg. 
C) flexes the arm. 
D) flexes the leg. 
E) works with the triceps muscle.

Question 7

Which of the following are components of the axial skeleton?

Accepted Answer

A) jaws 
B) skull bones 
C) ribs 
D) vertebrae 
E) all of these 
A) jaws 
B) skull bones 
C) ribs 
D) vertebrae 
E) all of these

Question 8

The organism in the above photograph has which of the following structural systems?

Accepted Answer

A) cartilaginous 
B) bone 
C) hydrostatic 
D) chitinous 
E) none of these 
A) cartilaginous 
B) bone 
C) hydrostatic 
D) chitinous 
E) none of these

Question 9

Action potentials in muscle fibers cause

Accepted Answer

A) the sarcoplasmic reticulum to release ATP. 
B) the sarcoplasmic reticulum to release calcium. 
C) myosin-actin bonds to break. 
D) the energizing of myosin molecules. 
E) all of these to occur. 
A) the sarcoplasmic reticulum to release ATP. 
B) the sarcoplasmic reticulum to release calcium. 
C) myosin-actin bonds to break. 
D) the energizing of myosin molecules. 
E) all of these to occur.

Question 10

Which of the following statements is false?

Accepted Answer

A) Calcium is the most important mineral involved in bone tissue turnover. 
B) Osteocytes and osteoclasts are involved with the reabsorption and repair of bones. 
C) Bone mass decreases with age. 
D) Males have greater problems with loss of bone tissue than females. 
E) Marrow fills the cavities in the spaces of the spongy bone and in the center of the shaft of long bones. 
A) Calcium is the most important mineral involved in bone tissue turnover. 
B) Osteocytes and osteoclasts are involved with the reabsorption and repair of bones. 
C) Bone mass decreases with age. 
D) Males have greater problems with loss of bone tissue than females. 
E) Marrow fills the cavities in the spaces of the spongy bone and in the center of the shaft of long bones.

Question 11

Which of the following is NOT a function of the vertebral column in most animals?

Accepted Answer

A) locomotion 
B) attachment site for paired muscles 
C) protective canal for spinal cord 
D) transmission of torso's weight to lower limbs 
E) attachment points for ribs 
A) locomotion 
B) attachment site for paired muscles 
C) protective canal for spinal cord 
D) transmission of torso's weight to lower limbs 
E) attachment points for ribs

Question 12

Which of the following is an example of a cartilaginous joint?

Accepted Answer

A) skull plates 
B) humerus to the scapula 
C) leg bone connected to the hip bone 
D) teeth connected to the jaw 
E) two vertebrae together 
A) skull plates 
B) humerus to the scapula 
C) leg bone connected to the hip bone 
D) teeth connected to the jaw 
E) two vertebrae together

Question 13

Sarcomeres consist of a zone and several bands.Actin and myosin filaments overlap at the __________ while the __________ is actin filaments alone and the __________ is myosin filaments alone.

Accepted Answer

A) A band; I band; H zone 
B) H zone; A band; I band 
C) I band; H zone; A Band 
D) A band; H zone; I band 
E) H zone; I band; A band 
A) A band; I band; H zone 
B) H zone; A band; I band 
C) I band; H zone; A Band 
D) A band; H zone; I band 
E) H zone; I band; A band

Question 14

Which joints are likely to be affected by osteoarthritis?

Accepted Answer

A) fingers 
B) knees 
C) hips 
D) backbone 
E) all of these 
A) fingers 
B) knees 
C) hips 
D) backbone 
E) all of these

Question 15

When calcium levels decline, the __________ secrete(s) __________, which __________ osteoclast activity.

Accepted Answer

A) parathyroids; calcitonin; suppresses 
B) thyroid; calcitonin; suppresses 
C) thyroid; calcitonin; enhances 
D) thyroid; PTH; suppresses 
E) parathyroids; PTH; enhances 
A) parathyroids; calcitonin; suppresses 
B) thyroid; calcitonin; suppresses 
C) thyroid; calcitonin; enhances 
D) thyroid; PTH; suppresses 
E) parathyroids; PTH; enhances

Question 16

The trunk of the body has muscles of all of the following EXCEPT

Accepted Answer

A) thorax. 
B) limbs. 
C) backbone. 
D) pelvic cavity. 
E) abdominal wall. 
A) thorax. 
B) limbs. 
C) backbone. 
D) pelvic cavity. 
E) abdominal wall.

Question 17

The bone of the upper arm is the

Accepted Answer

A) radius. 
B) ulna. 
C) tibia. 
D) humerus. 
E) femur. 
A) radius. 
B) ulna. 
C) tibia. 
D) humerus. 
E) femur.

Question 18

Joints are areas of connection between two

Accepted Answer

A) bendable regions of the skeleton. 
B) bones. 
C) glands. 
D) cartilage regions. 
E) of none of these. 
A) bendable regions of the skeleton. 
B) bones. 
C) glands. 
D) cartilage regions. 
E) of none of these.

Question 19

Sea anemones have a(n) __________ that causes them to extend into a feeding position when longitudinal cells __________ and radial cells __________.

Accepted Answer

A) hydrostatic skeleton; contract; relax 
B) endoskeleton; contract; relax 
C) exoskeleton; contract; relax 
D) hydrostatic skeleton; relax; contract 
E) exoskeleton; relax; contract 
A) hydrostatic skeleton; contract; relax 
B) endoskeleton; contract; relax 
C) exoskeleton; contract; relax 
D) hydrostatic skeleton; relax; contract 
E) exoskeleton; relax; contract

Question 20

When calcium levels rise, the __________ secrete(s) __________, which __________ osteoclast activity.

Accepted Answer

A) parathyroids; calcitonin; suppresses 
B) thyroid; calcitonin; suppresses 
C) thyroid; calcitonin; enhances 
D) thyroid; PTH; suppresses 
E) parathyroids; PTH; enhances 
A) parathyroids; calcitonin; suppresses 
B) thyroid; calcitonin; suppresses 
C) thyroid; calcitonin; enhances 
D) thyroid; PTH; suppresses 
E) parathyroids; PTH; enhances

Exam 36: Protection, Support, and Movement

During contraction,

The most prevalent mineral ion stored in and released from bone tissue is

Which of the following is an example of a stretchy cord of connective tissue?

Andro has all of the following effects on males, EXCEPT _____?

Osteoporosis is enhanced by

Contraction of the biceps muscle

Which of the following are components of the axial skeleton?

The organism in the above photograph has which of the following structural systems?

Action potentials in muscle fibers cause

Which of the following statements is false?

Which of the following is NOT a function of the vertebral column in most animals?

Which of the following is an example of a cartilaginous joint?

Sarcomeres consist of a zone and several bands.Actin and myosin filaments overlap at the __________ while the __________ is actin filaments alone and the __________ is myosin filaments alone.

Which joints are likely to be affected by osteoarthritis?

When calcium levels decline, the __________ secrete(s) __________, which __________ osteoclast activity.

The trunk of the body has muscles of all of the following EXCEPT

The bone of the upper arm is the

Joints are areas of connection between two

Sea anemones have a(n) __________ that causes them to extend into a feeding position when longitudinal cells __________ and radial cells __________.

When calcium levels rise, the __________ secrete(s) __________, which __________ osteoclast activity.

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters

Sarcomeres consist of a zone and several bands.Actin and myosin filaments overlap at the while the is actin filaments alone and the __ is myosin filaments alone.

When calcium levels decline, the secrete(s) , which __ osteoclast activity.

Sea anemones have a(n) that causes them to extend into a feeding position when longitudinal cells and radial cells __.

When calcium levels rise, the secrete(s) , which __ osteoclast activity.