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75 MCQs and answer key is on last page for Skeletal System chapter
Typology: Exercises
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Chapter 7 : Skeletal System
Multiple Choice Quiz
Please answer all questions
1
The bones of the upper arm are classified as _____ bones.
A) short
B) long
C) irregular
D) flat
The patella is classified as a/an _____ bone by some anatomists.
A) short
B) flat
C) sesamoid
D) irregular
The long shaft of a bone such as the femur is called its ______.
A) epiphysis
B) epiphyseal plate
C) periosteum
D) diaphysis
The _____ allows a bone to increase its diameter during periods of growth.
A) diaphysis
B) periosteum
C) endosteum
D) epiphysis
The articular ends of long bones are comprised of _____ tissue.
A) hyaline cartilage
B) fibrous
C) hematopoietic
D) bone
Spongy bone is also referred to as _____ bone.
A) cancellous
B) compact
C) cortical
D) fibrous
A) femur
B) frontal bone
C) ulna
D) radius
During osteogenesis, which of the following cells would appear first?
A) fibroblast
B) osteocyte
C) osteoblast
D) osteoclast
Which of these is the most differentiated and oldest?
A) fibroblast
B) osteoblast
C) osteocyte
D) chondroblast
Which bone developed by endochondral ossification?
A) tibia
B) parietal
C) occipital
D) temporal
The _____ represents an area for growth in the length of a long bone.
A) diaphysis
B) epiphysis
C) epiphyseal disk
D) periosteum
The _____ contain enzymes capable of breaking down the calcium matrix of bone tissue.
A) osteoblasts
B) osteoclasts
C) fibroblasts
D) osteogenic cells
When does ossification begin in a developing fetus?
A) 6th month
B) 30th day
C) 3rd month
D) 4th month
During remodeling, about _____% of bone calcium is exchanged each year.
A) 1
B) 4
C) 10
D) 0.
The main factor which facilitates the movement of calcium through a cell membrane is _____.
A) growth hormone
B) the amount of calcium
C) osmotic pressure
D) vitamin D
Vitamin D deficiency in an adult causes the condition known as _____.
A) rickets
B) osteoporosis
C) osteomalacia
D) giantism
The most important vitamin required for proper bone resorption and modeling is _____.
A) A
B) B
C) C
D) D
Vitamin _____ is required to produce the organic matrix that allows bones to be pliable or hold teeth in their sockets.
A) A
B) B
C) C
D) D
An excess of pituitary growth hormone will result in a condition of _____ if first noted in an adult.
A) dwarfism
B) acromegaly
C) giantism
D) osteoporosis
A deficiency of _____ hormone could result in reduced physical size as well as mental retardation.
C) traumatic
D) compound
Which is the first to occur following a bone fracture?
A) migration of fibroblasts
B) formation of a hematoma
C) osteoblast proliferation
D) development of granulation tissue
The callus that forms around a bone fracture is comprised of _____ tissue.
A) bone
B) hyaline cartilage
C) fibrocartilage
D) granulation
What is the final stage of healing following a fracture?
A) osteoclast remodeling
B) formation of granulation tissue
C) formation of the callus
D) osteoblast deposition
A forceps is an example of a _____ lever arrangement.
A) first-class
B) second-class
C) third-class
D) fulcrum
When the arm is straightened at the elbow, the bones and muscles are acting as a _____ lever.
A) first-class
B) misaligned
C) second-class
D) third-class
The origin of blood cells is the _____.
A) bone marrow
B) yolk sac
C) spleen
D) liver
The most prevalent salt in bone matrix is _____.
A) calcium
B) hydroxyapatite
C) phosphate
D) sodium chloride
Which of the following require calcium for normal functioning the least?
A) bone matrix
B) nerve tissue
C) muscles
D) blood clotting
Which of the following is not a main factor in the development of osteoporosis?
A) diet deficient in calcium
B) lack of exercise
C) normal aging
D) hormone deficiencies
Bone salts comprise ____% of the bone by weight.
A) 10
There are a total of _____ bones in the entire skeleton.
A) 200
B) 80
C) 126
D) 206
Which of the following is an axial bone?
A) femur
B) vertebra
C) ilium
D) tibia
Which of the following is an appendicular bone?
A) frontal
B) ethmoid
C) ulna
The following are terms related to the pelvic girdle except which one?
A) os coxa
B) innominate
C) sacrum
D) ilium
Which of the following does not belong with the rest?
A) sacrum
B) coccyx
C) femur
D) os coxa
The term for finger bones is _____.
A) carpal
B) phalange
C) metacarpal
D) tarsal
How many phalanges are there in the body?
A) 14
B) 28
C) 56
D) 7
The coronal suture separates the _____ from parietal bones.
A) frontal
B) temporal
C) occipital
D) ethmoid
Which of the following is not a bone process?
A) trochanter
B) tubercle
C) tuberosity
D) fossa
What is the largest foramen in the body?
C) frontal
D) occipital
There are _____ bones that make up the cranium.
A) 6
B) 7
C) 8
D) 9
What is the significance of the supraorbital foramen?
A) attachment of muscles
B) passage of blood vessels
C) contain the eye
D) is a bone articulation
The _____ suture separates the occipital from parietal bones.
A) lambdoidal
B) coronal
C) sagittal
D) squamous
Which bone contains the ear structures?
A) parietal
B) maxillary
C) temporal
D) sphenoid
Which bone has the mandibular fossa?
A) mandible
B) maxilla
C) ethmoid
D) temporal
Which sinus, or air cell area, has the potential of having a very serious and painful inflammation that could spread to the brain?
A) sphenoid
B) mastoid
C) ethmoid
D) frontal
