#1
Which vitamin is essential for bone health and helps in the absorption of calcium?
Vitamin D
ExplanationCritical for bone health and aids in calcium absorption.
#2
What is the medical term for the condition of reduced bone density?
Osteoporosis
ExplanationCondition marked by reduced bone density.
#3
What lifestyle factor is most closely associated with optimal bone health?
Regular exercise
ExplanationClosely linked to optimal bone health.
#4
Which of the following minerals is a major component of bone tissue?
Calcium
ExplanationEssential mineral in bone tissue.
#5
Which of the following medical conditions is NOT a risk factor for osteoporosis?
Type 2 diabetes
ExplanationNot typically a risk factor for osteoporosis.
#6
What is the term for the process of bone formation?
Ossification
ExplanationProcess of bone tissue formation.
#7
Which of the following imaging techniques is commonly used to measure bone density?
DEXA scan
ExplanationCommonly used for bone density measurement.
#8
What is the T-score used for in bone density assessment?
To compare bone density to that of a young adult
ExplanationUsed to compare bone density to young adults.
#9
What is the primary source of vitamin D for most people?
Sunlight
ExplanationPrimary source of vitamin D for many.
#10
Which of the following conditions is characterized by a curvature of the spine due to weakened vertebrae?
Osteoporosis
ExplanationCharacterized by weakened vertebrae and spinal curvature.
#11
Which of the following factors can affect bone density in women after menopause?
Decreased estrogen levels
ExplanationDecreased estrogen can affect bone density.
#12
What is the typical location for a DEXA scan to measure bone density?
Hip
ExplanationCommonly performed on the hip for bone density assessment.
#13
Which hormone plays a crucial role in regulating calcium levels and bone metabolism?
Parathyroid hormone
ExplanationCritical for calcium regulation and bone metabolism.
#14
What role do osteoclasts play in bone metabolism?
Break down bone tissue
ExplanationResponsible for breaking down bone tissue.
#15
Which of the following medications is commonly prescribed to prevent bone loss?
Bisphosphonates
ExplanationPrescribed to prevent bone loss.
#16
What is the role of calcitonin in bone metabolism?
Inhibit bone resorption
ExplanationInhibits bone resorption.
#17
Which of the following conditions is characterized by inadequate mineralization of bone tissue, leading to soft and weak bones?
Osteomalacia
ExplanationInadequate mineralization leads to weak bones.