Bone Density Self Test

A T-score acquired during a DXA scan of lower than -1.0 but higher than -2.5 indicates:

a. Normal BMD

b. Osteoperosis

c. Severe osteoperosis

d. Osteopenia

d. Osteopenia

Boniva belongs to a group of drugs termed:

a. Calcitonon

b. Selective estrogen receptor modulators

c. Bisphosphonates

d. Teriparatide

c. Biphosphonates

Newer dual-energy x-ray absorptometry (DEXA) uses:

a. positron emission source

b. pencil thin xray source

c. super voltage xray source

d. fan beam xray source

d. fan beam xray source

Parathyroid hormone 1-34 analog (teriparaatide, brand name Forteo) is provided to patients with osteoperosis to:

a. heal hip fractures

b. relieve pain

c. reduce bone loss

d. stimulate bone formation

d. stimulate bone formation

T-score obtained with the DXA system compares the patient with a(n):

a. Average patient of the same age, sex, and ethnic background.

b. Young healthy individual with peak bone mass

c. Young healthy individual of the same sex and ethnic background

d. Patient with severe osteoperosis

b. Young healthy individual with peak bone mass

The ability of a DXA system to obtain consistent BMD values of repeated measurements of the same patient is called ___________.

a. Exactness

b. Accuracy

c. Prevision (or reproducibility)

c. Precision (or reproducibility)

The presence of _______ prevents the accurate measurement of the BMD of an extremity.

a. Paget's Disease

b. Cancer

c. Metallic prosthesis

d. Osteoporosis

c. Metallic prosthesis

What is the average effective dose delivered to a patient during a bone density scan of the spine and hip?

a. 1 to 30 Seiverts

b. 5 uSv

c. 1 to 3 mSv

d. 10 to 30 uSv

b. 5 uSv

What specific cells are responsible for bone resorption?

a. Osteoblasts

b. Osteoclasts

b. Osteoclasts

Which of the following factors often leads to advanced bone loss?

a. Undergoing glucocorticoid therapy

b. Undergoing cardiac rehab

c. Being a female over the age of 21 years

d. Undergoing hormone replacement therapy

a. Undergoing glucocorticoid therapy

Which of the following is not a risk factor for osteoporosis?

a. Low body weight

b. Alcohol consumption

c. Excessive physical activity

d. Low calcium intake

c. Excessive physical activity

Which vertebral region(s) is (are) analyzed during a DXA scan?

a. L4 to S1

b. Between T7 to L1

c. L1 to L4

d. T12

C) L1 to L4

African American women are at a greater risk for developing osteoporosis than are Caucasian women.

A. true

b. false

b. false

As the technology is refined, QUS may replace existing peripheral techniques.

a. true

b. false

a. true

Estrogen replacement therapy (ERT) often stimulates new bone formation.

a. true

b. false

b. false

If trabecular and cortical bone is being evaluated, QCT is the method of choice.

a. true

b. false

a. true

QCT of the hip is most valuable to predict future hip fracture.

a. true

b. false

b. false

Single energy photon absorptiometry (SPA) is no longer used in clinical practice.

a. true

b. false

a. true