Answer KEY Practice QUIZ Musculoskeletal System for Nursing (BSN)

Answer KEY Practice QUIZ Musculoskeletal SystemPRACTICE QUIZ MUSCULOSKELETAL SYSTEM KEY The correct answer is in bold 1. True about the bones of the skeletal system A. The skull is made of a total of 26 bones – 22 bones (14 facial, 8 cranial) B. The pelvis bone also known as the hip bone is a fusion of three bones C. The body of the vertebra is located posterior in the anatomic position - anteriro D. The sacrum is otherwise known as the tail bone - coccyx 2. How many bones are found in one human foot A. 24 B. 25 C. 26 – 7 tarsals, 5 metacarpals, 14 phalanes D. 27 3. What type of synovial joint is carpometacarpal joint – trapezium and first metacarpal A. Ellipsoid – skull + C1 B. Pivot – radial head + ulna, C1 + C2 C. Ball and Socket – shoulder,hip D. Saddle 4. The ossified tip that’s the most inferior part of the sternum A. Xiphoid B. Body C. Manubrium D. Head 5. All of the following are short bones except: A. Navicular B. Trapezium C. Pisiform D. Vertebra - irregular 6. Which cell is responsible for resorption of bone? A. Osteocyte – maintenance B. Osteoclast C. Osteoblast – absorption and bone building D. Osteoblast and osteoclast 7. This nutrient is important in bone growth because this helps in collagen synthesis A. Vitamin A B. Vitamin B C. Vitamin C D. Vitamin D – calcium absorption Downloaded by DANIEL NDAMBIRI () lOMoARcPSD| 8. Which of the following is true regarding bone growth? A. In interstitial bone growth the process happens beneath the periosteum – epiphyseal cartilage B. The articular cartilage needs to converted to bone in interstitial growth – only the epiphyseal cartilage needs to be converted not the articular cartilage the cartilage that’s in the joint C. Appositional growth is the increase in width of the bone D. A cartilage is needed in all forms of bone growth – only interstitial 9. These are spaces where the osteocytes are lodged in A. Haversian canal B. Canaliculi C. Osteon D. Lacuna 10. What is the correct percentage of organic vs. inorganic material in bone A. 35% organic, 65% inorganic B. 65% organic, 35% inorganic C. 70% organic, 30% inorganic D. 50% organic, 50 % inorganic 11. Which of the following muscle is part of the rotator cuff – supraspinatus, infraspinatus, subscapularis A. Teres major B. Teres minor C. Latissimus dorsi D. Pectoralis major 12. The hamstrings are located where A. Anterior leg B. Anterior thigh C. Posterior leg D. Posterior thigh – biceps femoris, semitendinosus, semimembranosus 13. This is the fixed point of a muscle A. Origin B. Belly - fleshy C. Insertion - movable D. Tendon - connects 14. The adductor brevis: A. A muscle that moves towards the midline and long in shape B. A muscle that moves towards the midline and short in shape C. A muscle that moves away from the midline and long in shape D. A muscle that moves away from the midline and short in shape Downloaded by DANIEL NDAMBIRI () lOMoARcPSD| 15. The longest muscle of the body A. Trapezius - widest B. Gluteus maximus - biggest C. Sartorius D. Adductor longus 16. The Erector spinae muscles connect the vertebra to the ribs they are classified as A. Superficial muscles B. Intermediate muscles C. Deep muscles – connect vertebrae to vertebrae D. None of the above 17. Which is a correct match among the following muscles: A. Rectus – shape B. Masseter – location C. Teres – shape D. Brachii – function 18. This fiber of the actin filament contains the binding site for Calcium A. Actin B. Myosin C. Tropomyosin D. Troponin 19. This element is important in the initiation of depolarization A. Calcium B. Sodium C. Potassium D. Chloride 20. This is the dark fiber in the sarcomere A. A band B. I band C. H zone D. Z disc 21. Which type of fiber has more mitochondria A. Fast twitch Type IA B. Fast twitch Type IIA C. Slow twitch Type I D. Slow twitch Type II