1. Question : A(n) _____ fracture is a fracture at a site of a preexisting bone
abnormality, usually by a force that would not normally cause a
fracture.
Student
Answer: idiopathic
incomplete
pathologic
greenstick
Instructor A pathologic fracture is a break at the site of a preexisting abnormality, usually by
Explanation: force that would not fracture a normal bone.
Points Received: 2 of 2
Comments:
Question 2. Question : Which of the following attaches skeletal muscle to bone?
Student Answer:
Tendon
Ligament
Bursa
Mesentery
Instructor A tendon is fibrous connective tissue that attaches skeletal muscle to bone.
Explanation:
Points Received: 2 of 2
Comments:
Question 3. Question : _____ is the temporary displacement of two bones in which the bone
surfaces partially lose contact.
Student
Answer: Dislocation
Subluxation
Malunion
Nonunion
Instructor Dislocation is the temporary displacement of a bone from its normal position in a
, NR507 Week 6 Quiz.
Explanation: joint. If the contact between the two surfaces is only partially lost, the injury is called
a subluxation.
Points Received: 2 of 2
Comments:
Question 4. Question : Which disorder is characterized by the formation of abnormal new bone
at an accelerated rate beginning with excessive resorption of spongy
bone?
Student
Answer: Osteomalacia
Paget disease
Osteoporosis
Osteosarcoma
Instructor Paget disease (osteitis deformans) is a state of increased metabolic activity in bone
Explanation: characterized by abnormal and excessive bone remodeling, both resorption and
formation. Chronic accelerated remodeling eventually enlarges and softens the
affected bones.
Points Received: 2 of 2
Comments:
Question 5. Question : What causes the crystallization within the synovial fluid of the joint
affected by gouty arthritis?
Student
Answer: Reduced excretion of purines
Overproduction of uric acid
Increase in the glycosaminoglycan levels
Overproduction of proteoglycans
Instructor When the uric acid reaches a certain concentration in fluids, it crystallizes, forming
Explanation: insoluble precipitates that are deposited in connective tissues throughout the
body. Crystallization in synovial fluid causes acute, painful inflammation of the
joint, which is a condition known as gouty arthritis.
Points Received: 2 of 2
Comments: