Exam 1 Flashcards
(54 cards)
Which of the following is the common name for osteogenesis imperfecta? (p. 767) A. Fractures syndrome B. Brittle bone disease C. Thinned-bone disease D. Osteopetrosis
B. Brittle bone disease
Osteoblast and osteoclast activity is highly regulated by vitamin D and \_\_\_\_\_\_\_\_\_\_\_. (p. 766) A. Parathyroid hormone B. Vitamin C C. Whey proteins D. Osteometalerins
A. Parathyroid hormone
Which of the following may manifest with the appearance of blue sclerae? (p. 767) A. Osteogenesis imperfecta B. Achondroplasia C. Osteopetrosis D. Osteoporosis
A. Osteogenesis imperfecta
Type II osteogenesis imperfecta is lethal in utero due to severe instability of Type I collagen fibers. (p. 767)
A. True
B. False
A. True
Thanatophoric dwarfism is a lethal condition associated with an FGFR3 mutations and is present in 1 out of every \_\_\_\_\_\_\_\_ live births. (p. 767) A. 5,000 B. 20,000 C. 100,000 D. 400,000
B. 20,000
The most common pattern of inheritance for osteopetrosis is autosomal _________, which has mild clinical features. (p. 767)
A. Dominant
B. Recessive
A. Dominant
Recessive is lethal/severe
Which of the following is a group of disorders that produces dense, solid, stone-like bone? (p. 767) A. Osteoporosis B. Osteogenesis imperfecta C. Osteodysplasia D. Osteopetrosis
D. Osteopetrosis
Bone mass begins to decline as soon as age \_\_\_\_\_\_\_. (p. 768) A. 25 years B. 35 years C. 45 years D. 55 years
A. 25 years
Which of the following is not commonly associated with the development of osteoporosis? (p. 769) A. Corticosteroids B. Alcohol C. Animal fats D. Malabsorption
C. Animal fats
Plain radiographs (x-rays) require a \_\_\_\_\_ loss of bone mass before osteopenia becomes evident. (p. 770) A. 5% B. 25% C. 40% D. 55%
C. 40%
The axial skeleton or the \_\_\_\_\_\_\_\_ is involved in approximately 80% of all cases of Paget disease. (p. 771) A. Humerus B. Femur C. Pelvis D. Knee
B. Femur
Which of the following is the “adult counterpart” of rickets? (p. 771) A. Paget disease B. Osteomalacia C. Chalkstick syndrome D. Osteomyelitis
B. Osteomalacia
This image best demonstrates a(n) \_\_\_\_\_\_\_\_\_ fracture. (p. 772) A. Osteonecrotic B. Closed C. Comminuted D. Osteoporotic
C. Comminuted
Which of the following manifests with pronounced subperiosteal resorption on the radial aspect of the middle phalange? (p. 772) A. Paget disease B. Hyperparathyroidism C. Osteomalacia D. Pyogenic osteomyelitis
B. Hyperparathyroidism
Which of the following is the microbial agent associated with most cases of osteomyelitis in adults? (p. 773) A. Escherichia coli B. Salmonella spp. C. Cytomegalovirus D. Staphylococcus aureus
D. Staphylococcus aureus
Mycobacterium tuberculosis most commonly spreads from the lungs to the bone via the \_\_\_\_\_\_\_\_\_\_ system to causes tuberculous osteomyelitis. (p. 774) A. Respiratory B. Hematogenous C. Lymphatic D. Ventricular
B. Hematogenous
Hematogenous spread of tuberculous osteomyelitis is most likely to cause infection of the long bones or the \_\_\_\_\_\_\_\_\_\_. (p. 774) A. Spleen B. Calvaria C. Vertebral column D. Femur
C. Vertebral column
The majority of bone tumors develop ______ in life and are asymptomatic. (p. 775)
A. Early
B. Late
A. Early
A benign, solitary, exophytic tumor on the skull of a 44-year-old male is most likely to be a(n) \_\_\_\_\_\_\_\_\_\_\_. (p. 775) A. Chondrosarcoma B. Osteosarcoma C. Osteoma D. Osteoblastoma
C. Osteoma
Which of the following bone tumors appears as a round-to-oval mass with a rim of sclerotic bone? (p. 776) A. Osteoid osteoma B. Osteosarcoma C. Osteoma D. Ewing sarcoma
A. Osteoid osteoma
Also osteoblastoma
Which of the following commonly involves the bones of the spinal column and may manifest poorly-localized pain? (p. 776) A. Osteoma B. Osteoid osteoma C. Osteosarcoma D. Osteoblastoma
D. Osteoblastoma
Does NOT respond to aspirin
Which of the following is a malignant bony neoplasm that is commonly diagnosed near the knee among individuals age 10-20 years? (p. 776) A. Chondrosarcoma B. Osteoblastoma C. Osteosarcoma D. Giant cell tumor
C. Osteosarcoma
Cartilage-forming bone tumors are most frequently malignant neoplasms. (p. 777)
A. True
B. False
B. False - benign
The lesion shown in the image to the right is most likely a \_\_\_\_\_\_\_\_\_\_. (p. 777) A. Osteoid osteoma B. Osteochondroma C. Giant cell tumor D. Osteosarcoma
B. Osteochondroma