Bone Anatomy and Physiology Review Quiz
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Questions and Answers

Which type of bone is characterized by being dense and hard with an outside layer made up of osteons or haversian system?

  • Flat bone
  • Compact bone (correct)
  • Irregular bone
  • Spongy bone
  • What is the main function of osteoclasts in bone physiology?

  • Bone growth
  • Bone mineralization
  • Bone matrix secretion
  • Bone break (bone destruction and absorption) (correct)
  • What is the method of administration for Tc-99 MDP in a bone scan?

  • Intravenous injection (correct)
  • Transdermal patch
  • Oral intake
  • Intramuscular injection
  • Which scan type provides a 360-degree 3D image by rotating around the patient?

    <p>SPECT scan</p> Signup and view all the answers

    What is the most common clinical application for a 3-phase bone scan?

    <p>Detection of infection</p> Signup and view all the answers

    What is the primary purpose of the osseous or delayed phase in a 3-phase bone scan?

    <p>Assessment of soft tissue infection</p> Signup and view all the answers

    In a SPECT scan, what does a photopenic area indicate?

    <p>Lack of radioactive activity</p> Signup and view all the answers

    What is the clinical application area specifically mentioned for SPECT scans?

    <p>Pelvis and hip region</p> Signup and view all the answers

    What does the term 'Super Scan' imply in a medical context?

    <p>Lack of kidney visualization</p> Signup and view all the answers

    In a bone scan, what is the purpose of drinking plenty of water after Tc-99 MDP injection?

    <p>Enhance kidney function</p> Signup and view all the answers

    What is the purpose of instructing a patient having a bone scan to void frequently between the injection and delayed scanning?

    <p>To reduce radiation dose to the bladder</p> Signup and view all the answers

    What is the function of osteoblasts and osteoclasts?

    <p>Osteoblasts - Build bone, Osteoclasts - Break bone</p> Signup and view all the answers

    What is the metastatic lesion that might not be detected by a bone scan if it has no association with osteoblastic activity?

    <p>Osteolytic lesion</p> Signup and view all the answers

    How many bones are there in the human skeleton?

    <p>206</p> Signup and view all the answers

    Which type of exercise is beneficial for building muscle and bone?

    <p>Strength training</p> Signup and view all the answers

    What is axial bone composed of?

    <p>Vertebrae, sternum, and ribs</p> Signup and view all the answers

    What is the fluorine-18 analog of?

    <p>Hydroxyl ion</p> Signup and view all the answers

    What is a nomogram typically used for?

    <p>Predicting disease prognosis</p> Signup and view all the answers

    What is the correct function of osteoblasts in bone metabolism?

    <p>Promote new bone formation</p> Signup and view all the answers

    What is the main reason for instructing a patient to drink liquids before a bone scan?

    <p>To dilute radioactive material in the body</p> Signup and view all the answers

    What is the primary mechanism by which Tc-99m diphosphate compounds accumulate in bone?

    <p>Heterionic exchange</p> Signup and view all the answers

    Which of the following best explains why body contour or elliptical orbits are advantageous over circular orbits in SPECT imaging?

    <p>They maximize spatial resolution</p> Signup and view all the answers

    In prostate cancer patients, a low level of PSA correlates with a very low likelihood of bone metastasis, except for those who have undergone:

    <p>Hormonal therapy</p> Signup and view all the answers

    In the provided images, what mode were the images acquired in?

    <p>The top part was static, and the bottom part was planar SPECT</p> Signup and view all the answers

    What type of filter is best described as 'only allowing low frequencies to pass'?

    <p>Low-pass filter</p> Signup and view all the answers

    In the context of bone tissue, what are the two main types?

    <p>Compact and sponge</p> Signup and view all the answers

    What is the 'flare phenomenon' in the context of bone scans?

    <p>Increased osteoblastic activity within the first 3 months of chemotherapy, resulting in increased uptake at involved sites</p> Signup and view all the answers

    How do osteomyelitis and cellulitis differ in their presentation on a three-phase bone scan?

    <p>Osteomyelitis shows focal uptake in all three phases, while cellulitis shows focal uptake only in the flow and blood-pool phases</p> Signup and view all the answers

    In a multihole low-energy collimator, what configuration of holes produces higher resolution?

    <p>Longer and smaller holes</p> Signup and view all the answers

    What technique is being described by the term 'equal-time imaging' in bone scanning?

    <p>Acquiring multiple individual spot views for an equal amount of time</p> Signup and view all the answers

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