A&p Exam 2

50 Questions | Total Attempts: 829

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AP Quizzes & Trivia

Exam 2- ready for final?


Questions and Answers
  • 1. 
    All of the following are functions of the skeletal system EXCEPT:
    • A. 

      Blood formation

    • B. 

      Protection

    • C. 

      Movement

    • D. 

      Electrolyte balance

    • E. 

      None of the above

  • 2. 
    The sternum is a type of _____ bone while the atlas is a type of ____ bone
    • A. 

      Flat, irregular

    • B. 

      Short, irregular

    • C. 

      Flat, short

    • D. 

      Long, short

    • E. 

      Short, flat

  • 3. 
    The ______ is a thin layer of reticular connective tissue licing the marrow cavity
    • A. 

      Periosteum

    • B. 

      Epiphysis

    • C. 

      Endosteum

    • D. 

      Diaphysis

    • E. 

      Articular cartilage

  • 4. 
    __________ are responsible for bone formation and the secretion of _____________
    • A. 

      Osteoclasts, calcitonin

    • B. 

      Osteoblasts, osteocalcin

    • C. 

      Osteoblasts, calcitrol

    • D. 

      Osteoclasts, osteocalcin

    • E. 

      Osteoblasts, osteon

  • 5. 
    Trapped cells called _____ reside in ______ which are connected by _____
    • A. 

      Osteocytes, cannaliculi, collagenous fibers

    • B. 

      Osteoblasts, lacunae, cannaliculi

    • C. 

      Osteoclasts, central canals, concentric lamellae

    • D. 

      Osteocytes, lacunae, cannaliculi

    • E. 

      Osteoblasts, lacunae, osteons

  • 6. 
    Which of the following is NOT a component of bone matrix
    • A. 

      Collagen

    • B. 

      Calcium phosphate

    • C. 

      Keratin

    • D. 

      Calcium carbonate

    • E. 

      Minerals (fluoride, sodium, potassium, and magnesium)

  • 7. 
    Both Haversian canals and Volkmann's canals contain:
    • A. 

      Blood vessels

    • B. 

      Cytoplasmic processes of osteocytes

    • C. 

      Nerves

    • D. 

      Osteoblasts

    • E. 

      Both A and C

  • 8. 
    Intramembranous ossification produces the ______ bones of the skull from embryonic ______ that eventually gives rise to a sandwich-like structuve of _____ and _______ bone
    • A. 

      Flat, ectoderm, compact, spongy

    • B. 

      Irregular, mesenchyme, compact, spongy

    • C. 

      Irregular, endoderm, spongy, short

    • D. 

      Flat, mesenchyme, compact, spongy

    • E. 

      Flat, mesenchyme, compact, long

  • 9. 
    An area of enlarging chondrocytes in the middle of the bone "model" during endochondral ossification is referred to as the:
    • A. 

      Secondary ossification center

    • B. 

      Epiphysis

    • C. 

      Trabeculae

    • D. 

      Metaphysis

    • E. 

      Primary ossification center

  • 10. 
    Interstitial growth occurs when bones grow in ______ resulting from growth within the ______ while appositional growth occurs when bones grow in _____ by producing layers called ______.
    • A. 

      Width, metaphysis, length, bone

    • B. 

      Length, ephiphyseal plate, width, circumferential lamellae

    • C. 

      Width, ephyphyseal plate, length, circumferential lamellae

    • D. 

      Length, ephyphyseal plate, width, ephyphyseal lines

    • E. 

      Length, central canal, width, circumferential lamellae

  • 11. 
    Which of the following cells is primarily responsible for bone/mineral deposition
    • A. 

      Osteoblast

    • B. 

      Osteoclast

    • C. 

      Chondrocyte

    • D. 

      Chondroblast

    • E. 

      None of the above

  • 12. 
    All of following play a role in the process of mineral resorption EXCEPT:
    • A. 

      Osteoclasts

    • B. 

      Acid

    • C. 

      Ruffled border

    • D. 

      Red marrow

    • E. 

      Both C and D

  • 13. 
    Hypocalcemia ______ is the result of ______ blood calcium and causes ______ of muscles leading to spasms or cramps
    • A. 

      Increased, excitation

    • B. 

      Decreased, inhibition

    • C. 

      Increased, destruction

    • D. 

      Decreased, excitation

    • E. 

      Decreased, weakening

  • 14. 
    Calcitriol acts as a hormone that raises blood calcium concentration by all of the following mechaniusms EXCEPT
    • A. 

      Inhibiting osteoclast activity

    • B. 

      Increasing calcium resorption from the skeleton

    • C. 

      Increasing calcium absorption from small intestine

    • D. 

      Promotes kidney reabsorption of calcium ions

    • E. 

      All of the above

  • 15. 
    Which hormone reduces osteoclast activity leading to less bone resorption?
    • A. 

      Parathyroid hormone

    • B. 

      Calcitriol

    • C. 

      Calcitonin

    • D. 

      Follicle stimulating hormone

    • E. 

      Calcidiol

  • 16. 
    Which of the following DOES NOT result from parathyroid hormone secretion?
    • A. 

      Raising osteoclast population

    • B. 

      Reduced osteoclast activity

    • C. 

      Kidneys reabsorb more calcium

    • D. 

      Collagen synthesis by osteoblasts is inhibited

    • E. 

      Blood calcium is subsequently increased

  • 17. 
    A ________ is an abnormal curvature of the vertebral column often seen in the common bone disease of ______ where severe loss of bone density is seen
    • A. 

      Scoliosis, osteomyelitis

    • B. 

      Kyphosis, osteosarcoma

    • C. 

      Lordosis, osteoporosis

    • D. 

      Kyphosis, osteoporosis

    • E. 

      Lordosis, osteomyelitis

  • 18. 
    This structure holds or supports the temporal lobes of the brain
    • A. 

      Anterior cranial fossa

    • B. 

      Posterior cranial fossa

    • C. 

      Lacrimal fossa

    • D. 

      Mandibular fossa

    • E. 

      Middle cranial fossa

  • 19. 
    This suture separates the parietal bones
    • A. 

      Coronal

    • B. 

      Lambdoidal

    • C. 

      Squamous

    • D. 

      Sagittal

    • E. 

      None of the above

  • 20. 
    This bone forms the lambdoid suture with the parietal bone
    • A. 

      Occipital bone

    • B. 

      Frontal bone

    • C. 

      Sphenoid bone

    • D. 

      Ethmoid bone

    • E. 

      Mandible

  • 21. 
    Which component is NOT part of the temporal bone?
    • A. 

      Zygomatic process

    • B. 

      Foramen magnum

    • C. 

      External auditory meatus

    • D. 

      Mastoid process

    • E. 

      Syloid process

  • 22. 
    All of these bones contain sinuses EXCEPT:
    • A. 

      Frontal

    • B. 

      Sphenoid

    • C. 

      Zygomatic

    • D. 

      Maxilla

    • E. 

      Ethmoid

  • 23. 
    This bone creates parts of both the orbital and oral cavities
    • A. 

      Lacrimal bone

    • B. 

      Zygomatic bone

    • C. 

      Mandible

    • D. 

      Palatine

    • E. 

      Maxilla

  • 24. 
    A herniated disc might extend into this structure damaging the spinal cord
    • A. 

      Vertebral foramen

    • B. 

      Mastoid foramen

    • C. 

      Optin foramen

    • D. 

      Forman ovale

    • E. 

      Mental foramen

  • 25. 
    The ___________ is a peg-shaped bone structure that acts as a pivot for the atlantoaxial joint and is held in place by the _______
    • A. 

      Axis, diarthrosis

    • B. 

      Dens, interosseous membrane

    • C. 

      Mandibular condyle, palatine process

    • D. 

      Styloid process, stylohyoid muscle

    • E. 

      Dens, transverse ligament

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