Question 1

Which glucoprotein inhibits calcium phosphate precipitation and plays a part in bone resorption by recruiting osteoclasts?

Accepted Answer

A)  Osteocalcin 
B)  Osteonectin 
C)  Laminin 
D)  Osteopontin 
A)  Osteocalcin 
B)  Osteonectin 
C)  Laminin 
D)  Osteopontin A

Question 2

The teeth held in the maxilla or mandible are examples of which type of joint?

Accepted Answer

A)  Amphiarthrosis 
B)  Diarthrosis 
C)  Synarthrosis 
D)  Gomphosis 
A)  Amphiarthrosis 
B)  Diarthrosis 
C)  Synarthrosis 
D)  Gomphosis D

Question 3

MATCHING
Match the stages of wound healing of a bone with the description of each.Stages may be used more than once.
-Stage of bone healing that requires days to complete.

Accepted Answer

A) Callus replacement 
B) Hematoma formation 
C) Remodeling 
D) Procallus formation 
E) Callus formation 
A) Callus replacement 
B) Hematoma formation 
C) Remodeling 
D) Procallus formation 
E) Callus formation D

Question 4

The fibrocartilaginous joints between the ribs and sternum are an example of which type of joint?

Accepted Answer

A)  Synchondrosis 
B)  Symphysis 
C)  Gomphosis 
D)  Syndesmosis 
A)  Synchondrosis 
B)  Symphysis 
C)  Gomphosis 
D)  Syndesmosis

Question 5

Which bone cell secretes citric and lactic acids to help dissolve bone minerals and collagenase,which aids in digesting collagen?

Accepted Answer

A)  Osteocytes 
B)  Osteoblasts 
C)  Osteoclasts 
D)  Osteophytes 
A)  Osteocytes 
B)  Osteoblasts 
C)  Osteoclasts 
D)  Osteophytes

Question 6

The balance between receptor activator of nuclear factor KB-ligand (RANKL)and osteoprotegerin (OPG)determine overall osteoclast formation.

Accepted Answer

A) True 
 B)False

Question 7

Which minerals are stored in bones?

Accepted Answer

A)  Sodium,iron,and selenium 
B)  Phosphate,carbonate,and magnesium 
C)  Potassium,fluoride,and copper 
D)  Zinc,sulfur,and chloride 
A)  Sodium,iron,and selenium 
B)  Phosphate,carbonate,and magnesium 
C)  Potassium,fluoride,and copper 
D)  Zinc,sulfur,and chloride

Question 8

Which of the following terms describes a freely movable joint?

Accepted Answer

A)  Synarthrosis 
B)  Amphiarthrosis 
C)  Biarthrosis 
D)  Diarthrosis 
A)  Synarthrosis 
B)  Amphiarthrosis 
C)  Biarthrosis 
D)  Diarthrosis

Question 9

Articular cartilage has no blood vessels,lymph vessels,or nerves.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following describes a functional muscle contraction in which the muscle contracts but the limb does not move?

Accepted Answer

A)  Isotonic contraction 
B)  Isometric contraction 
C)  Eccentric contraction 
D)  Concentric contraction 
A)  Isotonic contraction 
B)  Isometric contraction 
C)  Eccentric contraction 
D)  Concentric contraction

Question 11

The greater the innervation ratio of a particular organ,the greater the:

Accepted Answer

A)  fatigue. 
B)  movement. 
C)  strength. 
D)  endurance. 
A)  fatigue. 
B)  movement. 
C)  strength. 
D)  endurance.

Question 12

The synovial membrane has a thin layer called the intima.What is the function of the type A cells within the intima?

Accepted Answer

A)  They release mast cells to initiate the inflammatory process after joint injury. 
B)  They ingest and remove bacteria and debris by phagocytosis in the joint cavity. 
C)  They secrete hyaluronate,a binding agent that gives synovial fluid its viscous quality. 
D)  They store fat cells and glycogen to provide adenosine triphosphate (ATP)for joint activity. 
A)  They release mast cells to initiate the inflammatory process after joint injury. 
B)  They ingest and remove bacteria and debris by phagocytosis in the joint cavity. 
C)  They secrete hyaluronate,a binding agent that gives synovial fluid its viscous quality. 
D)  They store fat cells and glycogen to provide adenosine triphosphate (ATP)for joint activity.

Question 13

In bone,the stage of healing that involves procallus formation entails:

Accepted Answer

A)  formation of a hematoma that allows development of a fibrin network. 
B)  production of granulation tissue by fibroblasts,capillary buds,and osteoblasts. 
C)  development of a primitive bone matrix termed woven bone. 
D)  remodeling of the periosteal and endosteal bone surfaces. 
A)  formation of a hematoma that allows development of a fibrin network. 
B)  production of granulation tissue by fibroblasts,capillary buds,and osteoblasts. 
C)  development of a primitive bone matrix termed woven bone. 
D)  remodeling of the periosteal and endosteal bone surfaces.

Question 14

Which of the following cells function to maintain bone matrix?

Accepted Answer

A)  Osteoclasts 
B)  Osteocytes 
C)  Osteoblasts 
D)  Osteophytes 
A)  Osteoclasts 
B)  Osteocytes 
C)  Osteoblasts 
D)  Osteophytes

Question 15

Compact bone is highly organized,solid,and extremely strong.The basic structural unit in compact bone is:

Accepted Answer

A)  small channels called canaliculi. 
B)  osteocytes within the lacunae. 
C)  tiny spaces within the lacunae. 
D)  the haversian system. 
A)  small channels called canaliculi. 
B)  osteocytes within the lacunae. 
C)  tiny spaces within the lacunae. 
D)  the haversian system.

Question 16

MATCHING
Match the stages of wound healing of a bone with the description of each.Stages may be used more than once.
-Stage of bone healing that requires hours to complete.

Accepted Answer

A) Callus replacement 
B) Hematoma formation 
C) Remodeling 
D) Procallus formation 
E) Callus formation 
A) Callus replacement 
B) Hematoma formation 
C) Remodeling 
D) Procallus formation 
E) Callus formation

Question 17

In _____ contractions,the muscle maintains a constant tension as it moves.

Accepted Answer

A)  isotonic 
B)  isometric 
C)  hypertonic 
D)  hypotonic 
A)  isotonic 
B)  isometric 
C)  hypertonic 
D)  hypotonic

Question 18

Which statement is false about aging and the musculoskeletal system?

Accepted Answer

A)  Haversian systems erode,canals nearest the marrow cavity become widened,and the endosteal cortex converts to spongy bone. 
B)  The remodeling cycle increases because of a decreased ability of the basic multicellular units to resorb and deposit bone. 
C)  Cartilaginous rigidity increases because of decreasing water content and increasing concentrations of glycosaminoglycans. 
D)  Muscle RNA synthesis declines,although the regenerative function of muscle tissue is reportedly normal in the elderly population. 
A)  Haversian systems erode,canals nearest the marrow cavity become widened,and the endosteal cortex converts to spongy bone. 
B)  The remodeling cycle increases because of a decreased ability of the basic multicellular units to resorb and deposit bone. 
C)  Cartilaginous rigidity increases because of decreasing water content and increasing concentrations of glycosaminoglycans. 
D)  Muscle RNA synthesis declines,although the regenerative function of muscle tissue is reportedly normal in the elderly population.

Question 19

In adults,hematopoiesis takes place exclusively in the long bones of the extremities.

Accepted Answer

A) True 
 B)False

Question 20

Which statement is false about synovial fluid?

Accepted Answer

A)  It contains protein polysaccharides to repair the synovial membrane after injury. 
B)  It lubricates the joint surfaces. 
C)  It nourishes the pad of the articular cartilage. 
D)  It contains leukocytes to phagocytize joint debris and microorganisms. 
A)  It contains protein polysaccharides to repair the synovial membrane after injury. 
B)  It lubricates the joint surfaces. 
C)  It nourishes the pad of the articular cartilage. 
D)  It contains leukocytes to phagocytize joint debris and microorganisms.

Exam 39: Structure and Function of the Musculoskeletal System

Which glucoprotein inhibits calcium phosphate precipitation and plays a part in bone resorption by recruiting osteoclasts?

The teeth held in the maxilla or mandible are examples of which type of joint?

MATCHING Match the stages of wound healing of a bone with the description of each.Stages may be used more than once. -Stage of bone healing that requires days to complete.

The fibrocartilaginous joints between the ribs and sternum are an example of which type of joint?

Which bone cell secretes citric and lactic acids to help dissolve bone minerals and collagenase,which aids in digesting collagen?

The balance between receptor activator of nuclear factor KB-ligand (RANKL)and osteoprotegerin (OPG)determine overall osteoclast formation.

Which minerals are stored in bones?

Which of the following terms describes a freely movable joint?

Articular cartilage has no blood vessels,lymph vessels,or nerves.

Which of the following describes a functional muscle contraction in which the muscle contracts but the limb does not move?

The greater the innervation ratio of a particular organ,the greater the:

The synovial membrane has a thin layer called the intima.What is the function of the type A cells within the intima?

In bone,the stage of healing that involves procallus formation entails:

Which of the following cells function to maintain bone matrix?

Compact bone is highly organized,solid,and extremely strong.The basic structural unit in compact bone is:

MATCHING Match the stages of wound healing of a bone with the description of each.Stages may be used more than once. -Stage of bone healing that requires hours to complete.

In _____ contractions,the muscle maintains a constant tension as it moves.

Which statement is false about aging and the musculoskeletal system?

In adults,hematopoiesis takes place exclusively in the long bones of the extremities.

Which statement is false about synovial fluid?

Cellular Biology

Altered Cellular and Tissue Biology

The Cellular Environment

Genes and Genetic Diseases

Genes, Environment-Lifestyle, and Common Diseases

Innate Immunity Including Inflammation

Adaptive Immunity

Alterations in Immunity and Inflammation Including Hypersensitivies

Infection Including Hivaids

Stress and Disease

Biology of Cancer

Tumor Invasion and Metastasis

Cancer in Children

Structure and Function of the Neurologic System

Pain, Temperature Regulation, Sleep, and Sensory Function

Concepts of Neurologic Dysfunction

Disorders of Neurologic Function

Neurobiology of Schizophrenia, Mood Disorders, and Anxiety Disorders

Alterations of Neurologic Function in Children

Mechanisms of Hormonal Regulation

Alterations of Hormonal Regulation

Structure and Function of the Reproductive Systems

Alterations of the Reproductive Systems

Sexually Transmitted Infections

Structure and Function of the Hematologic System

Alterations of Erythrocyte Function

Alterations in Hematologic Function in Children

Structure and Function of the Cardiovascular and Lymphatic Systems

Alterations of Cardiovascular Function

Alterations of Cardiovascular Function in Children

Structure and Function of the Pulmonary System

Alterations of Pulmonary Function

Structure and Function of the Renal and Urologic Systems

Alterations of Renal and Urinary Tract Function

Alterations of Renal and Urinary Tract Function in Children

Structure and Function of the Digestive System

Alterations of Digestive Function

Alterations of Digestive Function in Children

Alterations of Musculoskeletal Function

Alterations of Musculoskeletal Function in Children

Structure, Function, and Disorders of the Integument

Alterations of the Integument in Children

Shock, Multiple Organ Dysfunction Syndrome, and Burns in Adults

Shock, Multiple Organ Dysfunction Syndrome, and Burns in Children

Alterations of Leukocyte, Lymphoid, and Hemostatic Function

Alterations of Pulmonary Function in Children

Filters

The balance between receptor activator of nuclear factor _KB-ligand (RANKL)and osteoprotegerin (OPG)determine overall osteoclast formation.