#1
Which of the following is not a function of the skeletal system?
Transportation
ExplanationThe skeletal system does not function in transportation; that is the role of the circulatory system.
#2
What is the primary component of bone tissue?
Collagen
ExplanationCollagen is the primary component of bone tissue, providing strength and flexibility.
#3
Which vitamin is essential for the absorption of calcium in the intestines?
Vitamin D
ExplanationVitamin D is essential for the absorption of calcium in the intestines, which is crucial for bone health.
#4
Which bone is commonly referred to as the collarbone?
Clavicle
ExplanationThe clavicle is commonly referred to as the collarbone, connecting the shoulder to the chest.
#5
What is the name of the process where bones become more brittle and fragile with age?
Osteoporosis
ExplanationOsteoporosis is the process where bones become more brittle and fragile with age, leading to an increased risk of fractures.
#6
Which type of joint allows for the greatest range of motion?
Diarthrosis
ExplanationDiarthrosis joints allow for the greatest range of motion, as they are freely movable.
#7
Which bone is commonly known as the shinbone?
Tibia
ExplanationThe tibia is commonly known as the shinbone, located in the lower leg.
#8
What type of bone growth occurs at the epiphyseal plate?
Interstitial growth
ExplanationInterstitial growth occurs at the epiphyseal plate, where new bone is formed.
#9
Which hormone plays a key role in bone remodeling by stimulating osteoclast activity?
Parathyroid hormone
ExplanationParathyroid hormone stimulates osteoclast activity, leading to bone resorption and remodeling.
#10
What is the medical term for the soft spot on a newborn's skull?
Fontanelle
ExplanationThe soft spot on a newborn's skull is called a fontanelle, which allows for the compression of the skull during birth.
#11
What is the scientific term for the process of bone formation?
Ossification
ExplanationThe process of bone formation is called ossification, where osteoblasts lay down new bone tissue.
#12
Which bone forms the prominent point of the elbow?
Ulna
ExplanationThe ulna forms the prominent point of the elbow, known as the olecranon process.
#13
Which of the following is not a type of bone cell?
Osteotroph
ExplanationOsteotroph is not a type of bone cell; the correct types are osteoblasts, osteocytes, and osteoclasts.
#14
What is the name of the cartilaginous joint that connects the pubic bones in the pelvis?
Pubic symphysis
ExplanationThe pubic symphysis is the cartilaginous joint that connects the pubic bones in the pelvis, providing stability and flexibility.
#15
Which bone is not part of the axial skeleton?
Scapula
ExplanationThe scapula is not part of the axial skeleton; it is part of the appendicular skeleton.
#16
What type of joint is the knee joint?
Hinge joint
ExplanationThe knee joint is a hinge joint, allowing for flexion and extension of the leg.
#17
Which bone forms the upper jaw?
Maxilla
ExplanationThe maxilla forms the upper jaw, holding the upper teeth in place.
#18
What is the medical term for the kneecap?
Patella
ExplanationThe medical term for the kneecap is patella, which protects the knee joint and helps in the extension of the leg.
#19
What is the scientific term for the shaft of a long bone?
Diaphysis
ExplanationThe diaphysis is the scientific term for the shaft of a long bone, providing support and structure.