Abfas Exam Questions Complete with A+
Graded Answers
What type of bone healing is primary bone healing seen with Arthrodesis?
Membranous bone formation
What are the four basic concepts for treatment of non-union?
1) resection of non viable tissue
2) augment with bone graft
3) bone stimulation
4) immobilization
Which type of graft has haversion stems?
Cortical
When is the weakest point in a cortical graft?
8 weeks
What clinical lab finding is seen with aseptic necrosis of 1st met?
Increased ESR
What type of collagen seen in cartilage healing?
Type II collagen
Meissners corpuscle is in what layer of skin?
Papillary dermis
What are the three stages of graft healing?
Plasmic inhibition, revascularization, regeneration
What iv fluid to give HTN with CHF patient?
D5/.33% NS
How do you calculate total daily fluid requirement?
First 10 kg x 100cc/kg
Next 10 kg x 50cc/kg
Diff in kg x 100 cc/kg
Add all cc up.
What is Rouleaux formation?
Occurs with dextran administration, interferes with blood typing and Cross matching, so before giving
dextran, type and cross first.
Name some Rapid Acting Insulin.
Lispro (Humalog)
Aspart (Novolog)
, Glulisine (Apidir)
Semelente Insulin
Which is not a isotonic fluid?
- normal saline
- ringers lactate
- 5% albumin
- 3% NaCl
3% NaCl
Which is not an epiphyseal bone tumor?
A. Fibrosarcoma
B. Non ossifying fibroma
C. Ossifying lipoma
D. Osteiod Osteoma
B
What are diaphyseal bone tumors?
Aneurysmal bone tumor, enchondroma, fibrous dysplasia, unicameral bone cyst, eosinophilic
granuloma, Ewings
What are the low grade and high grade malignant bone tumors.
Low grade- chondrosarcoma
High grade-fibrosarcoma, osteosarcoma, malignant fibrous histiocytoma, Ewings, synovial sarcoma
What bone tumor is found in skull, associated with Gardeners Syndrome where patient has
supernumerary teeth, malignant colon polyps. Known as hyperostosis.
Osteoma
Bone tumor seen with osteopiokolisis.
Enostosis
10-30 year old male with bulls eye appearance on X-ray at the calcaneus with radiolucent nidus
surrounded by sclerosis. MRI confirms nidus. Pain at site of tumor.bobe scan says radio uptake in
region of nidus?
Osteiod Osteoma
Tetracycline is given two days preop for osteoid oateoma because?
To give green yellow flourescence of the nidus
Late lesions seen with mottled pattern with thin calcifications, radiolucent without reactive bone,
metaphyseal or disphyseal, not relived with salicylate. Stage 3 benign lesion.
Odteblastoma
Most common benign bone tumors in the body?
Osteochondroma
Graded Answers
What type of bone healing is primary bone healing seen with Arthrodesis?
Membranous bone formation
What are the four basic concepts for treatment of non-union?
1) resection of non viable tissue
2) augment with bone graft
3) bone stimulation
4) immobilization
Which type of graft has haversion stems?
Cortical
When is the weakest point in a cortical graft?
8 weeks
What clinical lab finding is seen with aseptic necrosis of 1st met?
Increased ESR
What type of collagen seen in cartilage healing?
Type II collagen
Meissners corpuscle is in what layer of skin?
Papillary dermis
What are the three stages of graft healing?
Plasmic inhibition, revascularization, regeneration
What iv fluid to give HTN with CHF patient?
D5/.33% NS
How do you calculate total daily fluid requirement?
First 10 kg x 100cc/kg
Next 10 kg x 50cc/kg
Diff in kg x 100 cc/kg
Add all cc up.
What is Rouleaux formation?
Occurs with dextran administration, interferes with blood typing and Cross matching, so before giving
dextran, type and cross first.
Name some Rapid Acting Insulin.
Lispro (Humalog)
Aspart (Novolog)
, Glulisine (Apidir)
Semelente Insulin
Which is not a isotonic fluid?
- normal saline
- ringers lactate
- 5% albumin
- 3% NaCl
3% NaCl
Which is not an epiphyseal bone tumor?
A. Fibrosarcoma
B. Non ossifying fibroma
C. Ossifying lipoma
D. Osteiod Osteoma
B
What are diaphyseal bone tumors?
Aneurysmal bone tumor, enchondroma, fibrous dysplasia, unicameral bone cyst, eosinophilic
granuloma, Ewings
What are the low grade and high grade malignant bone tumors.
Low grade- chondrosarcoma
High grade-fibrosarcoma, osteosarcoma, malignant fibrous histiocytoma, Ewings, synovial sarcoma
What bone tumor is found in skull, associated with Gardeners Syndrome where patient has
supernumerary teeth, malignant colon polyps. Known as hyperostosis.
Osteoma
Bone tumor seen with osteopiokolisis.
Enostosis
10-30 year old male with bulls eye appearance on X-ray at the calcaneus with radiolucent nidus
surrounded by sclerosis. MRI confirms nidus. Pain at site of tumor.bobe scan says radio uptake in
region of nidus?
Osteiod Osteoma
Tetracycline is given two days preop for osteoid oateoma because?
To give green yellow flourescence of the nidus
Late lesions seen with mottled pattern with thin calcifications, radiolucent without reactive bone,
metaphyseal or disphyseal, not relived with salicylate. Stage 3 benign lesion.
Odteblastoma
Most common benign bone tumors in the body?
Osteochondroma
