Bio 223 Exam class review Flashcards
Class review
What articulation do we have on the bones that are held together by an interosseous membrane?
Synostosis
What is the junction of the two pubic bones?
Pubic symphysis
Your patient was diagnosed with a pituitary tumor, in what bone is it on?
Sphenoid bone; specifically on the sella turcica
What provides a smooth surface where bones meet?
Articular Cartilage
What is the function of a bursa?
Fluid-filled sac that reduces friction at the tendon and acts as a cushion
What do we call the locations where ossification begins in interosseous ossification?
Primary ossification center
An x-ray shows a black space between the epiphyseal plates?
How do you classify that?
Not closed epiphyseal, still growing
A ten-year-old boy has an increase in growth and sex hormones, what is the hormone secreted?
Testosterone
When does bone remodeling occur?
When bone adjusts to stress, it happens constantly in a person’s lifetime, bone growth, fractures heal
What is the sequence of events in bone repair?
Hematoma, soft callus, callus ossification, bone remodeling
The x-ray of your patient shows that they fracture the shaft of the humerus. What part of the bone is this?
Diaphysis
What kind of bone tissue contains interconnecting plates called trabecular?
Spongy/cancellous bone
What type of bone is organized into thin sheets of bone?
Lamellar Bone
What determines the strain of bone?
Hydroxyapatite and Collagen
What do we call the olecranon process on the ulna?
Elbow
What is abnormally formed in osteogenesis imperfecta?
Lack of collagen
The compression or weight-bearing in the bone matrix?
Hydroxyapatite crystal
Connective tissue sheath in cartilage?
Perichondrium
What results from damage to the annulus fibrosus and release of nucleus populous in the spine?
Herniated disc
What condition where the vertebral lamellae fail to fuse?
Spina Bifida
What region of the vertebral column is located in the neck?
Cervical
How are the thumb and the big toe similar?
It does not have the middle phalanges
Which structure helps keep the head up right?
Ligamentum Nuchae
What is the most common type of arthritis?
Osteoarthritis
What is the name of the ligament at the head of the femur?
Ligamentum teres
What term do we use when we are facing the palm posteriorly?
Pronation
What is responsible for the lubricating properties of synovial fluid?
Hyaluronic Acid
What kind of joint is found between the teeth and the mandible?
Gomphosis
Bowing the head is what kind of movement?
Flexion
A woman needs to reach the bowls on the top of the shelf. What position is she in?
Planter Flexion
Flat bones of the skull are created by what type of tissue?
Embryonic Connective Tissue
Some flat and irregular bones contain air sacs. What are they called?
Sinuses
What is the type of fracture in which the two bones do not separate?
Hairline fracture
What collagen fibers help connect ligaments and tendons to the periosteum?
Sharpey’s fibers
What are the primary elements of the bone matrix?
Organic; Collagen, proteoglycans
Inorganic; Hydroxyapatite
Your patient has been diagnosed with a dense or odontoid process fracture, what bone is involved?
Axis, C2
What would it impact if a patient has a fracture in the posterior orbit?
Vision
Where is the sagittal suture located?
Between the parietal bones
Which skeleton consists of limbs and girdles?
Appendicular
Lateral side of ankle joints crushed, which bone are they referring to?
Fibula
