Untitled Presentation

Multiple Choice

Which of the following bone cells is primarily responsible for bone resorption?

• Osteoblasts

• Osteocytes

• Osteoclasts

• Chondrocytes

Open Ended

Why is it important to understand the structure and function of bone tissue when studying disorders of bones?

Multiple Choice

Which of the following is the most common cause of both osteomalacia and rickets?

• Vitamin D deficiency

• Calcium deficiency

• Phosphorus deficiency

• Genetic mutation

Fill in the Blanks

Osteopenia is defined as decreased bone strength but less severe than

.

Open Ended

What are the typical sites of origin and metastasis for osteosarcoma, and which age group is most commonly affected?

Multiple Choice

Which of the following changes in bone structure is most likely responsible for the patient's condition described in the case study?

• Lamellar bone structure resembling a mosaic

• Osteoid matrix accumulation around trabeculae

• Persistence of primary spongiosa in the medullary canal

• Subperiosteal bone resorption and cystic degeneration

• Trabecular thinning with fewer interconnections

Multiple Choice

Which of the following changes is most likely to be seen in the bone of a 3-year-old boy with delayed developmental milestones and bilateral, symmetric, bead-like enlargement of the costochondral junctions?

• Apoptotic osteoblasts

• Enlarged osteoclasts

• Excessive fibrous tissue replacement

• Excessive unmineralized matrix

Multiple Choice

Which of the following imaging techniques is best suited for visualizing soft tissue injuries in the musculoskeletal system?

• X-ray

• CT

• MRI

• Angiography

Fill in the Blanks

The X-ray machine shoots tiny energy packets called

through the body.

Open Ended

Explain how X-ray imaging differentiates between bones, soft tissues, and air in the body.

Multiple Select

Select all the disadvantages of X-ray imaging.

• Poor soft tissue contrast

• Involves ionizing radiation

• 3D imaging capability

• Overlaps can obscure details

Multiple Choice

Which of the following is NOT an advantage of X-ray imaging?

• Quick and low-cost

• Excellent for bony structures

• High soft tissue contrast

• Widely available

Multiple Choice

A 28-year-old male presents to the ER after falling off a ladder, complaining of severe right ankle pain, swelling, and inability to bear weight. Physical exam reveals point tenderness over the lateral malleolus. Which imaging modality is most appropriate to evaluate for a possible fracture?

• MRI

• CT scan

• Ultrasound

• X-ray

Multiple Choice

Which imaging modality is most appropriate to confirm the diagnosis in a 65-year-old female with a history of COPD presenting with fever, productive cough, and crackles in the right lower lobe?

• Chest X-ray

• CT scan

• MRI

• Ultrasound

Multiple Choice

Which imaging modality is most appropriate to locate a swallowed small metal toy in a 4-year-old male presenting with mild abdominal discomfort?

• Abdominal X-ray

• CT scan

• MRI

• Ultrasound

Open Ended

Explain how CT imaging differs from traditional X-ray imaging in terms of technology and the type of information it provides.

Multiple Select

Which of the following are common uses of CT imaging?

• Detecting internal bleeding

• Staging tumors

• Mapping blood flow for stroke diagnosis

• Visualizing cartilage damage

Fill in the Blanks

MRI uses

radiation, making it safe for most patients.

Fill in the Blanks

Fill in the blank: The bone cells responsible for secreting the matrix that hardens by calcification are called

.

Open Ended

Reflecting on today's lesson about bone tissue and its cellular components, what is one aspect you found most interesting or would like to learn more about?