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CBLG101 - Chapter 7 The Skeleton

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Biology Quiz on CBLG101 - Chapter 7 The Skeleton, created by Sarah S on 28/05/2024.
Sarah S
Quiz by Sarah S, updated about 1 month ago
Sarah S
Created by Sarah S about 1 month ago
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Resource summary

Question 1

Question
What does the axial skeleton do?
Answer
  • Forms longitudinal axis of body
  • Supports head, neck, and trunk
  • Protects brain, spinal cord, and thoracic organs
  • All of the above

Question 2

Question
What does the appendicular skeleton do?
Answer
  • Supports and protects
  • Allows mobility

Question 3

Question
What is the skeletal system composed of?
Answer
  • Bones
  • Cartilages
  • Joints & ligaments
  • All of the above

Question 4

Question
How much body mass does the skeleton account for?
Answer
  • 15%
  • 20%
  • 25%
  • 30%

Question 5

Question
What are the two major divisions of the skeleton?
Answer
  • Axial and appendicular
  • Anterior and posterior
  • Dense and loose
  • Hyaline and fibrocartilage

Question 6

Question
Which of the following is true about the skeletal system or skeleton?
Answer
  • It is composed of mostly bone
  • Cartilage occurs in isolated areas
  • Ligaments connect bones and reinforce joints
  • All of the above

Question 7

Question
The axial skeleton consists of how many bones?
Answer
  • 20
  • 50
  • 80
  • 100

Question 8

Question
What are the major regions of the axial skeleton?
Answer
  • Skull
  • Vertebral column
  • Thoracic cage
  • All of the above

Question 9

Question
What is true of the skull?
Answer
  • It's the most complex bony structure in the body.
  • It's formed of cranial bones and facial bones.
  • Most of its bones are flat and locked together.
  • All of the above

Question 10

Question
Which of the following functions are associated with cranial bones?
Answer
  • Enclosing the heart in the thoracic cavity
  • Supporting the spinal cord in the vertebral canal
  • Enclosing the brain in the cranial cavity
  • Providing sites of attachment for leg muscles

Question 11

Question
What is one of the functions of cranial bones?
Answer
  • Supporting the rib cage
  • Providing sites of attachment for arm muscles
  • Provide sites of attachment for head and neck muscles
  • Forming the pelvis

Question 12

Question
What term is used to describe joints in the skull?
Answer
  • Synovial joints
  • Cartilaginous joints
  • Sutures
  • Ligamentous joints

Question 13

Question
How would you describe the appearance of sutures in the skull?
Answer
  • Smooth and rounded
  • Serrated, with a saw-tooth appearance
  • Flat and linear
  • Irregular and bumpy

Question 14

Question
What is NOT true about facial bones?
Answer
  • Contain cavities for special sense organs for sight, taste, and smell
  • Provide openings for air and food passage
  • Secure teeth & anchor facial muscles used for facial expression
  • Serve as attachment points for the spinal cord

Question 15

Question
Label this image of the skull
Image:
Screen Shot 2024 05 28 At 3.44.30 Pm (binary/octet-stream)
Answer
  • Parietal bone
  • Frontal bone
  • Nasal bone
  • Sphenoid bone
  • Temporal bone
  • Ethmoid bone
  • Lacrimal bone
  • Zygomatic bone
  • Maxilla
  • Mandible
  • Vomer
  • Inferior nasal concha
  • Also ethmoid bone

Question 16

Question
Label this image of the skull
Image:
Screen Shot 2024 05 28 At 4.01.14 Pm (binary/octet-stream)
Answer
  • Ethmoid bone
  • Sphenoid
  • Temporal bone
  • Parietal bone
  • Frontal bone

Question 17

Question
Label this image of the skull
Image:
Screen Shot 2024 05 28 At 4.04.45 Pm (binary/octet-stream)
Answer
  • Parietal bone
  • Frontal bone
  • Sphenoid bone
  • Nasal bone
  • Occipital bone
  • Temporal bone
  • Mandible
  • Maxilla
  • Zygomatic bone
  • Ethmoid bone
  • Lacrimal bone

Question 18

Question
Which of the following represents the correct order of the five regions of the vertebral column from superior to inferior?
Answer
  • Lumbar, Thoracic, Sacral, Cervical, Coccyx
  • Thoracic, Lumbar, Cervical, Sacral, Coccyx
  • Cervical, Thoracic, Lumbar, Sacral, Coccyx
  • Sacral, Coccyx, Lumbar, Thoracic, Cervical

Question 19

Question
These are the amount of vertebrae the 5 regions of the spinal column have. Cervical consists of [blank_start]7[blank_end] vertebrae. Thoracic consists of [blank_start]12[blank_end] vertebrae. Lumbar consists of [blank_start]5[blank_end] vertebrae. Sacrum is one bone formed from the fusion of [blank_start]typically 5[blank_end] vertebrae and articulates with the hip. Coccyx is also one bone formed from the fusion of [blank_start]4[blank_end] fused vertebrae.
Answer
  • 7
  • 12
  • 5
  • typically 5
  • 4

Question 20

Question
What is true of the vertebral or spinal column?
Answer
  • Extends from skull to pelvis and has 4 main curves
  • Functions to transmit weight of trunk to lower limbs, surround and protect spinal cord, provide attachment points for ribs and muscles
  • Flexible curved structure contains 26 irregular bones called vertebrae in five major regions
  • All of the above

Question 21

Question
Why does the spinal column have curvatures?
Answer
  • To decrease the resilience and flexibility of the spine
  • To provide a rigid support structure for the spine
  • To help increase resilience and flexibility of the spine
  • To limit movement and mobility in the spine

Question 22

Question
Which of the following statements accurately describes the curvature of the cervical, lumbar, thoracic, and sacral regions of the spine?
Answer
  • The cervical and lumbar curvatures are convex posteriorly, while the thoracic and sacral curvatures are concave posteriorly.
  • The cervical and lumbar curvatures are concave posteriorly, while the thoracic and sacral curvatures are convex posteriorly.
  • All regions of the spine have convex posterior curvatures.
  • All regions of the spine have concave posterior curvatures.

Question 23

Question
Describe the clinical homeostatic imbalance called scoliosis.
Answer
  • abnormal lateral rotation of spine, most often in thoracic region, which may lead to breathing difficulties
  • abnormal dorsal thoracic curvature common in people with osteoporosis, tuberculosis of spine, rickets, or osteomalacia
  • accentuated lumbar curvature that can result from disease but also pregnancy
  • None of the above

Question 24

Question
Describe the clinical homeostatic imbalance called kyphosis.
Answer
  • abnormal lateral rotation of spine, most often in thoracic region, which may lead to breathing difficulties
  • abnormal dorsal thoracic curvature common in people with osteoporosis, tuberculosis of spine, rickets, or osteomalacia
  • accentuated lumbar curvature that can result from disease but also pregnancy
  • None of the above

Question 25

Question
Describe the clinical homeostatic imbalance called lordosis.
Answer
  • abnormal lateral rotation of spine, most often in thoracic region, which may lead to breathing difficulties
  • abnormal dorsal thoracic curvature common in people with osteoporosis, tuberculosis of spine, rickets, or osteomalacia
  • accentuated lumbar curvature that can result from disease but also pregnancy
  • None of the above

Question 26

Question
What are some factors that can lead to abnormal spinal curvatures?
Answer
  • Congenital conditions
  • Diseases
  • Poor posture or unequal pull of muscles on the spine
  • All of the above

Question 27

Question
What is the thoracic cage composed of?
Answer
  • Thoracic vertebrae posteriorly
  • Sternum and costal cartilages anteriorly
  • Ribs laterally
  • All of the above

Question 28

Question
What are the functions of the thoracic cage?
Answer
  • Protects vital organs
  • Supports shoulder girdles and upper limbs
  • Provides attachment sites for muscles of neck, back, chest, and shoulders
  • All of the above

Question 29

Question
Label this diagram of the thoracic cage.
Image:
Screen Shot 2024 05 28 At 4.36.34 Pm (binary/octet-stream)
Answer
  • Sternum
  • True ribs
  • False ribs
  • Floating ribs
  • Manubrium
  • Body
  • Xiphoid process

Question 30

Question
Which of the following correctly describes the appendicular skeleton?
Answer
  • It consists of bones that form the spinal column.
  • It includes bones that make up the skull and face.
  • It consists of bones of the limbs and their girdles.
  • It comprises bones of the thoracic cage and pelvis.

Question 31

Question
Which of the following statements is true?
Answer
  • In the appendicular skeleton, the pectoral girdle attaches upper limbs to the body trunk and the pelvic girdle attaches lower limbs to the body trunk.
  • In the appendicular skeleton, the pectoral girdle attaches lower limbs to the body trunk and the pelvic girdle attaches upper limbs to the body trunk.
  • In the axial skeleton, the pectoral girdle attaches upper limbs to the body trunk and the pelvic girdle attaches lower limbs to the body trunk.
  • In the axial skeleton, the pectoral girdle attaches lower limbs to the body trunk and the pelvic girdle attaches upper limbs to the body trunk.

Question 32

Question
What bones make up the pectoral girdle?
Answer
  • Clavicles and scapulae
  • Humerus and radius
  • Femur and patella
  • Tibia and fibula

Question 33

Question
What is another term for the pectoral girdle?
Answer
  • Pelvic girdle
  • Shoulder girdle
  • Hip girdle
  • Limb girdle

Question 34

Question
What are the 3 categories of bones in the hands?
Answer
  • Carpals, Patellae, Tarsals
  • Femurs, Tibias, Fibulas
  • Carpals, Metacarpals, Phalanges
  • Scapulae, Clavicles, Humeri

Question 35

Question
Which of these descriptions of the bones of the hands is correct?
Answer
  • Phalanges (finger bones), metacarpals (palm bones) and carpals (wrist bones)
  • Phalanges (palm bones), metacarpals (finger bones) and carpals (wrist bones)
  • Phalanges (wrist bones), metacarpals (finger bones) and carpals (palm bones)
  • Phalanges (wrist bones), metacarpals (palm bones) and carpals (finger bones)

Question 36

Question
Which of the following correctly identifies the bones found in the upper limb?
Answer
  • Arm: Radius and ulna; Forearm: Humerus; Hand: Carpals, Metacarpals, Phalanges
  • Arm: Humerus; Forearm: Radius and ulna; Hand: Carpals, Metacarpals, Phalanges
  • Arm: Humerus; Forearm: Carpals, Metacarpals, Phalanges; Hand: Radius and ulna
  • Arm: Carpals, Metacarpals, Phalanges; Forearm: Radius and ulna; Hand: Humerus

Question 37

Question
Which is the correct number of bones in the hands?
Answer
  • 8 carpal bones in the wrist, 5 metacarpal bones in the palm and 14 phalanges in the fingers
  • 5 carpal bones in the wrist, 8 metacarpal bones in the palm and 14 phalanges in the fingers
  • 14 carpal bones in the wrist, 5 metacarpal bones in the palm and 8 phalanges in the fingers
  • 8 carpal bones in the wrist, 14 metacarpal bones in the palm and 5 phalanges in the fingers

Question 38

Question
Which of the following statements correctly identifies the ulna and the radius?
Answer
  • The ulna articulates with the humerus at the elbow joint, while the radius articulates with the carpal bones of the wrist and the ulna at the radioulnar joints.
  • The ulna is located on the lateral side of the forearm, while the radius is located on the medial side.
  • The ulna is longer and thicker than the radius.
  • The radius articulates with the humerus at the elbow joint, while the ulna articulates with the carpal bones of the wrist and the radius at the radioulnar joints.

Question 39

Question
What is another term for the pelvic girdle?
Answer
  • Shoulder girdle
  • Rib cage
  • Hip girdle
  • Skull cage

Question 40

Question
Which bones form the pelvic girdle?
Answer
  • Femur and patella
  • Scapula and clavicle
  • Humerus and ulna
  • Two coxal bones and sacrum

Question 41

Question
What three fused bones form the coxal bone?
Answer
  • Ilium, ischium, and pubis
  • Sacrum, coccyx, ilium
  • Sacrum, ischium, pubis
  • Ilium, coccyx, pubis

Question 42

Question
What is true of the pelvic girdle?
Answer
  • Supports the pelvic organs
  • Transmits weight of upper body to lower limbs
  • Has less mobility but more stability than shoulder joint
  • All of the above
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