Question 1

Vertebrae in the neck are classified as ________ vertebrae.

Accepted Answer

The answer of Vertebrae in the neck are classified as...

Question 2

Too much calcium in the bloodstream, a condition called hypercalcemia, can be very dangerous. The thyroid gland releases a hormone, calcitonin, when calcium is too high. How does calcitonin lower calcium levels in the blood?

Accepted Answer

A)  It reduces osteoclast activity and increases osteoblast activity. 
B)  It increases osteoclast activity and reduces osteoblast activity. 
C)  It reduces both osteoclast and osteoblast activity. 
D)  It increases both osteoclast and osteoblast activity. 
A)  It reduces osteoclast activity and increases osteoblast activity. 
B)  It increases osteoclast activity and reduces osteoblast activity. 
C)  It reduces both osteoclast and osteoblast activity. 
D)  It increases both osteoclast and osteoblast activity.

Question 3

You fall while roller-skating and notice a hematoma on your tibia, suggesting that you damaged the bone. Describe step by step how your bone will heal.

Accepted Answer

Within a few days, connective tissue cel

Question 4

Explain the structure and function of the fontanels in an infant. At what age do they disappear?

Accepted Answer

The fontanels are membranous areas betwe

Question 5

A patient with leukemia has blood cells that are not dividing properly and are out of control. Treatment consists of a bone marrow transplant. How would this help?

Accepted Answer

The improperly dividing cells must be de

Question 6

Why do women experience the symptoms of osteoporosis more acutely than men?

Accepted Answer

A)  Women have less bone mass and produce less estrogen later in life; these factors accelerate calcium loss. 
B)  Women have less muscle mass and don't exercise as much. 
C)  Men don't produce estrogen, so they don't rely on it as much as women do. 
D)  Men take in more calcium in their diet, so they can't get osteoporosis. 
A)  Women have less bone mass and produce less estrogen later in life; these factors accelerate calcium loss. 
B)  Women have less muscle mass and don't exercise as much. 
C)  Men don't produce estrogen, so they don't rely on it as much as women do. 
D)  Men take in more calcium in their diet, so they can't get osteoporosis.

Question 7

Which of the following occurs after a calcium-rich meal?

Accepted Answer

A)  Parathyroid hormone stimulates the activities of osteoblasts and removes calcium from the blood. 
B)  Calcitonin removes calcium from the blood and stimulates the activities of osteoclasts. 
C)  Parathyroid hormone is released by the thyroid gland to inhibit the activities of osteoclasts. 
D)  Calcitonin stimulates the activities of osteoblasts and removes calcium from the blood. 
A)  Parathyroid hormone stimulates the activities of osteoblasts and removes calcium from the blood. 
B)  Calcitonin removes calcium from the blood and stimulates the activities of osteoclasts. 
C)  Parathyroid hormone is released by the thyroid gland to inhibit the activities of osteoclasts. 
D)  Calcitonin stimulates the activities of osteoblasts and removes calcium from the blood.

Question 8

You have fractured your bone and your physician is explaining the healing process to you. She tells you that after the blood clot forms, the next step is the development of the callus. Which of the following describes the structure of the callus?

Accepted Answer

A)  spongy bone 
B)  compact bone 
C)  cartilage 
D)  osteoclasts 
A)  spongy bone 
B)  compact bone 
C)  cartilage 
D)  osteoclasts

Question 9

Which of the following is incorrect about the human skeleton?

Accepted Answer

A)  It can release phosphorous. 
B)  It can store fat. 
C)  It can produce blood cells. 
D)  It is composed only of a solid nonliving matrix. 
A)  It can release phosphorous. 
B)  It can store fat. 
C)  It can produce blood cells. 
D)  It is composed only of a solid nonliving matrix.

Question 10

A series of interconnected bones that form the backbone of all mammals, fishes, reptiles, and birds is the ________.

Accepted Answer

A)  mandible 
B)  scapula 
C)  femur 
D)  vertebral column 
A)  mandible 
B)  scapula 
C)  femur 
D)  vertebral column

Question 11

The ________ joints have no joint cavity and usually do not permit movement. Sutures between skull bones are this kind of joint.

Accepted Answer

The answer of The ________ joints have no joint cavity...

Question 12

Which of the following covers compact bone and functions in bone repair and growth?

Accepted Answer

A)  endosteum 
B)  periosteum 
C)  diaphysis 
D)  epiphysis 
A)  endosteum 
B)  periosteum 
C)  diaphysis 
D)  epiphysis

Question 13

The pectoral girdle is composed of the ________, or shoulder blades, and the collarbones.

Accepted Answer

The answer of The pectoral girdle is composed of the...

Question 14

Organized sports can be very competitive, even for young children. Little League players are often pushed to develop such skills as perfecting a curve ball. However, repeatedly trying to throw a curve ball can cause injury in growing bone. What part of the bone is most likely affected?

Accepted Answer

Certain repetitive motions place an undu

Question 15

Match between columns
                        Premises: Also known as the thighbone, it rotates within a socket in the pelvis.
The bone that is connected to the pectoral girdle and forms a joint with the radius and ulna.
The seven bones that form the ankle.
During childbirth, hormones loosen its cartilage to allow the pelvis to widen.
Vertebrae in the lower back region just above the sacral region.
Bone cells that break down bone tissue.
Eight bones that form the wrist and are connected to the radius and ulna.
The opening at the base of the cranium through which the spinal cord passes.
Calcitonin stimulates the activity of these bone cells.
The bones in the feet that are connected to the phalanges anteriorly and to the tarsal bones posteriorly.
Bones that form on either side of the cranium and are thought of as the temples.
Produced from the fusion of five vertebrae and allows an individual to sit.

Accepted Answer

The Answer of Humerus and Osteoclasts and Femur and Osteoblasts is...

Question 16

Which of these cranial bones separates the cranial cavity from the nasal cavity and provides the olfactory nerves with access to the brain?

Accepted Answer

A)  temporal 
B)  foramen magnum 
C)  sphenoid 
D)  ethmoid 
A)  temporal 
B)  foramen magnum 
C)  sphenoid 
D)  ethmoid

Question 17

In addition to support of soft tissue, what are the other five functions of the skeletal system?

Accepted Answer

The skeletal system allows for

Question 18

Which of the following are the bones that form the bridge of the nose?

Accepted Answer

A)  occipital 
B)  sphenoid 
C)  nasal 
D)  temporal 
A)  occipital 
B)  sphenoid 
C)  nasal 
D)  temporal

Question 19

Carpal tunnel syndrome is caused by an inflammation of tendons passing through the carpal tunnel of the wrist. What causes this inflammation and pain?

Accepted Answer

A)  The tendons become stretched out and ultimately tear away from the bone. 
B)  Certain continuous hand motions cause the tendons to repeatedly rub against bone. 
C)  The associated muscles are too weak and begin to spasm, leading to inflammation. 
D)  The muscles eventually fatigue and become swollen, thus swelling the tendon. 
A)  The tendons become stretched out and ultimately tear away from the bone. 
B)  Certain continuous hand motions cause the tendons to repeatedly rub against bone. 
C)  The associated muscles are too weak and begin to spasm, leading to inflammation. 
D)  The muscles eventually fatigue and become swollen, thus swelling the tendon.

Question 20

Membranous areas in the infant skull that join bones and function to allow for rapid growth of the brain are known as ________.

Accepted Answer

A)  fibrous membrane 
B)  osteocytes 
C)  fontanels 
D)  lacunae 
A)  fibrous membrane 
B)  osteocytes 
C)  fontanels 
D)  lacunae

Exam 6: The Skeletal System

Vertebrae in the neck are classified as ________ vertebrae.

Too much calcium in the bloodstream, a condition called hypercalcemia, can be very dangerous. The thyroid gland releases a hormone, calcitonin, when calcium is too high. How does calcitonin lower calcium levels in the blood?

You fall while roller-skating and notice a hematoma on your tibia, suggesting that you damaged the bone. Describe step by step how your bone will heal.

Explain the structure and function of the fontanels in an infant. At what age do they disappear?

A patient with leukemia has blood cells that are not dividing properly and are out of control. Treatment consists of a bone marrow transplant. How would this help?

Why do women experience the symptoms of osteoporosis more acutely than men?

Which of the following occurs after a calcium-rich meal?

You have fractured your bone and your physician is explaining the healing process to you. She tells you that after the blood clot forms, the next step is the development of the callus. Which of the following describes the structure of the callus?

Which of the following is incorrect about the human skeleton?

A series of interconnected bones that form the backbone of all mammals, fishes, reptiles, and birds is the ________.

The ________ joints have no joint cavity and usually do not permit movement. Sutures between skull bones are this kind of joint.

Which of the following covers compact bone and functions in bone repair and growth?

The pectoral girdle is composed of the ________, or shoulder blades, and the collarbones.

Organized sports can be very competitive, even for young children. Little League players are often pushed to develop such skills as perfecting a curve ball. However, repeatedly trying to throw a curve ball can cause injury in growing bone. What part of the bone is most likely affected?

Which of these cranial bones separates the cranial cavity from the nasal cavity and provides the olfactory nerves with access to the brain?

In addition to support of soft tissue, what are the other five functions of the skeletal system?

Which of the following are the bones that form the bridge of the nose?

Carpal tunnel syndrome is caused by an inflammation of tendons passing through the carpal tunnel of the wrist. What causes this inflammation and pain?

Membranous areas in the infant skull that join bones and function to allow for rapid growth of the brain are known as ________.

Humans in the World of Biology

Becoming a Patient: a Major Decision

Chemistry Comes to Life

The Cell

Body Organization and Homeostasis

The Muscular System

Neurons: the Matter of the Mind

The Nervous System

Special Topic: Drugs and the Mind

Sensory Systems

The Endocrine System

Special Topic: Diabetes Mellitus

Blood

The Cardiovascular and Lymphatic Systems

Special Topic: Cardiovascular Disease

Body Defense Mechanisms

Special Topic: Infectious Disease

The Respiratory System

The Digestive System and Nutrition

Special Topic: the Obesity Epidemic

The Urinary System

Reproductive Systems

Special Topic: Sexually Transmitted Diseases and Aids

Development Throughout Life

Special Topic: Autism Spectrum Disorder

Chromosomes and Cell Division

Stem Cellsa Repair Kit for the Body

Genetics and Human Inheritance

DNA and Biotechnology

Special Topic: Cancer

Evolution and Our Heritage

Ecology, the Environment, and Us

Human Population, Limited Resources, and Pollution

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