2. In regards to the bones of the arm and forearm, which of the following is TRUE?

Transcription

1 Anatomy and Physiology Fall Exam II: Form A Name: 1. Use the following table to answer Question 1. I II III IV V The nasal bone articulates with the frontal process of the maxilla The mastoid process is posterior to the zygomatic process The lesser wing of the sphenoid articulates with the cribiform of the ethmoid The lesser wing of the sphenoid bone articulates with the body of the occipital bone The vomer articulates with medial pterygoid of the sphenoid bone 1. Which of the following descriptions listed above is TRUE? A. I, III & V B. I & II C. I, II & III D. I, II, III & V E. All of the above are TRUE 2. In regards to the bones of the arm and forearm, which of the following is TRUE? A. The head of the ulna articulates with the distal end of the radius B. The coronoid process of the ulna articulates with the anterior surface of the humerus C. The deltoid tubercle of the humerus is superior to the greater tubercle E. A, B & C 3. In regards to the gross anatomy of muscle, which of the following is NOT TRUE? A. Perimysium surrounds multiple muscle fibers B. Endomysium surrounds individual muscle cells C. Epimysium is composed of dense regular connective tissue D. Deep fascia binds multiple muscles into functional groups 4. In regards to the bones of the face, which of the following is NOT TRUE? A. The alla of the vomer bone articulates with the dorsal surface of the palatine process B. The orbital plate of the sphenoid greater wing articulates with the orbital plate of the ethmoid bone C. The mandibular condyle articulates with the temporal fossa D. The frontal process of the zygomatic bone forms part of the lateral edge of the eye orbit Use the following table to answer Question 5. 1 Epicranius occipitalis Temporal fossa 2 Bucinator Mandibular angle 3 Corrugator supercillii Frontal bone 4 Risorius Superficial fascia of masseter

2 5 Genioglossus Mastoid process of temporal bone 6 Medial Pterygoid Sphenoid bone 5. Of the muscles listed above which is not correctly paired with its origin? A. 1 & 2 B. 1, 2 & 5 C. 1 & 5 D. 2, 5 & 6 E. 2, 4 & 6 6. In regard to the anatomy of a sarcomere, which of the following is TRUE? A. Z discs are components of two neighboring sarcomeres B. The H zone includes actin and myosin C. The A band shortens during contraction D. Small regions of the I band persist after the muscle is fully contracted E. A & D 7. Which of the following is NOT an articulation of the temporal bone? A. Squamous region with the parietal bone B. Zygomatic process with the zygomatic bone C. Petrous region with the ethmoid bone D. Mastoid with the greater wing of sphenoid 8. Of the following, which is NOT a characteristic of the abdominal muscles? A. When activated individually, the rectus abdominis laterally flex the lumbar region of vertebral column B. The insertion of the rectus abdominis is superior to its origin C. The internal oblique is more superficial than the transverse abdominis D. The transverse abdominis and internal obliques have origins on lumbar vertebrae E. B & D 9. In regards to the bones of the wrist and hand, which of the following is NOT TRUE? A. The hamate is the most lateral carpal in the distal row B. The pisiform articulates with the distal end of the ulna C. The schaphoid articulates with the lunate and trapezium E. A, B & C 10. During which of the following phases of a muscle twitch do cytoplasmic concentrations of Ca 2+ increase? A. Latent phase B. Contraction phase C. Relaxation phase

3 11. In regards to the bones of the face, which of the following is NOT TRUE? A. The coronoid process of the mandible articulates with the zygomatic arch B. The maxilla articulate with the horizontal plate of palatine bones C. The maxillae and zygomatic bones both have frontal processes D. The frontal process of the zygomatic bone articulates with the greater wing of the sphenoid E. A & D 12. All of the following are characteristics of the muscles of the back EXCEPT: A. The splenius extends the cervical region of the vertebral column B. The iliocostalis, as a group, are more lateral than the longissimus C. The origins of the quadratus lumborum are superior to those of the spinalis D. All erector spinae muscles can extend the vertebral column 13. Of the following, which CANNOT to be TRUE when ADP is bound to myosin? A. Ca2+ is bound to troponin B. Myosin-ATPase is active C. Myosin is in the low energy state D. Myosin is crossed bridged with actin E. None of the above 14. In regards to the structure of vertebrae, which of the following is NOT TRUE? A. Costal facets are only found on thoracic vertebrae B. All vertebrae have superior articulating surface C. Transverse foramen are unique to cervical vertebrae D. Only the 2 nd cervical vertebra has a dens Use the following information to answer Question 15. I. All suprahyoid muscles elevate the hyoid II. All infrahyoid muscles have origins that are inferior to the hyoid III. The omohyoid has an origin on the scapula IV. The sternohyoid depresses the larynx V. The mylohyoid has an origin superior to its insertion 15. Which of the above statements is NOT TRUE? A. II & III B. II & IV C. II, III & V D. II & V E. V only 16. Which of the following is NOT TRUE for a lever where effort is applied at point in between the fulcrum and the load?

4 A. The lever cannot provide mechanical advantage B. Most muscles have this type of lever C. The lever is classified as a second class lever 17. In regard to the muscles of facial expression, which of the following is TRUE? A. The galea aponeurotica is both an insertion and origin for epicranius muscle B. The origin of the corrugator supercillii is the frontal bone C. Orbicularis oculi has an origin on the mandible D. Levator labii inferioris inserts into the skin of the upper lip E. A & B 18. Of the following, which immediately follows the release of Pi from myosin? A. Ca2+ binds troponin B. Myosin-ATPase is actived C. Cross-bridges between actin and myosin form D. Myosin goes into the low energy state 19. In regards to the cellular anatomy of muscle, which of the following is TRUE? A. Muscle fibers are comprised of multiple myofibrils B. Sarcomeres are comprised of multiple myofilaments C. Each fascicle is made up of many motor units D. Myofilaments are comprised of many myofibrils E. B & D 20. In regards to the muscles of mastication, which of the following is NOT TRUE? A. The masseter and medial pterygoid insert on the condyle of the mandible B. The temporalis inserts onto the coronoid process C. The origin of the lateral pterygoid is anterior to its insertion E. A, B & C 21. In regards to the lower appendage, which of the following is NOT TRUE? A. The distal end of the fibula articulates with the tibia and the talus B. The tibial tuberosity is superior to the intercondylar eminence C. The linea aspera is on the posterior surface of the femur D. The greater trochanter is the insertion point for the abductor muscles of the thigh E. B & D 22. In regards to the thoracic cage, which of the following is NOT TRUE? A. The manubrium articulates with proximal end of the clavicle B. Intercostal cartilages connect the distal ends of vertebrosternal ribs to costal cartilages C. The head of the rib can only articulate with thoracic vertebrae

5 E. A, B & C 23. In regards to muscles the tissues of the face, which of the following is NOT TRUE? A. The orbicularis oris draws the lips together B. The risorius has the same insertion as the buccinator C. The maxilla is an origin of the levator labii inferioris D. The platysma inserts onto the mandibular angle 24. All of the following are characteristics of the muscles of the back EXCEPT: A. The splenius inserts onto the skull and transverse processes of the cervical vertebrae B. The iliocostalis, as a group, have the most inferior origins C. The origins of the quadratus lumborum inserts onto the transverse processes of superior vertebrae D. All erector spinae muscles can laterally flex the vertebral column 25. In regards to coxal bones, which of the following is NOT TRUE? A. The ischial ramus is anterior to the ischial tuberosity B. The lunate surface is superior to the iliac fossa C. The alla is found on the lateral side of the ilium D. The greater sciatic notch is located on the posterior side of the coxal bone E. The ischium articulates with the pubis and the ilium Use the following table to answer Question 26. I II III IV V Fibula Talus Lateral cuneiform Cuboid Calcaneous 26. The navicular articulates with all of the bones listed above EXCEPT A. I, III & V B. I, II & V C. I & V D. I, IV & V E. I only 27. In regard to the muscles of the abdominal wall, which of the following is NOT TRUE? A. The rectus abdominus inserts onto the anterior part of the pelvic girdle B. The external obliques are more superficial than the internal obliques C. The rectus abdominus pulls the thoracic cage towards the pelvis D. The internal obliques when activated separately medially flex the vertebral column E. The transverse abdominus cannot flex the vertebral column 28. All of the following are characteristics of graded muscle responses EXCEPT:

6 A. Tetanus can result when stimulus intensity is increased B. Temporal summation results from increased Ca++ levels in the muscle cell C. Recruitment results when a greater number of fascicles contract during a movement D. Treppe can result from increased efficiency of myosin ATPase E. C and D 29. In regards to the bones of the arm and forearm, which of the following is NOT TRUE? A. The medial epicondyle is lateral to the trochlea B. The olecranon process forms part of the trochlear notch C. The radial notch is on the proximal end of the radius D. The distal end of the ulna articulates with the radius 30. Which of the following can stop the molecular events that occur during muscle contraction? A. Enzymatic degradation of acetylcholine B. Binding of acetylcholine to its receptors in the neuromuscular junction C. Removal of troponin from tropomyosin D. Removal of calcium from the sarcoplasm E. All but C