Muscular System Assignment PDF

Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A skydiver's parachute fails to deploy. After some struggle, his reserve chute deploys in 1) time to save his life. However, h...

Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A skydiver's parachute fails to deploy. After some struggle, his reserve chute deploys in 1) time to save his life. However, his landing is harder than normal and he feels his knee slightly hyperextend. He shakes it off and goes about his normal routine. Later that day he begins experiencing knee pain. Two days later he notices that his knee "pops" when he crouches and soon discovers he has dislocated his femur on the knee. What muscle was likely injured initially? A) Soleus B) Tensor fasciae latae C) Popliteus D) Quadriceps femoris E) Sartorius 2) A heavyset middle-aged insurance salesman, who doesn't exercise often, accepts his 2) friend's invitation to a pickup basketball game. When attempting a jump shot, he falls to the ground in pain, grasping at the calf of his leg. There is an enormous bulge in his leg immediately below the popliteal fossa, and he is unable to plantar flex that foot. Most likely he has injured his ________ and the bulge is ________. A) patellar ligament; his fibularis longus B) quadriceps tendon; his rectus femoris C) tibia; a previously undetected bone tumor D) calcaneal tendon; his triceps surae E) hamstrings; a large hematoma (blood clot) 3) Muscle fibers are arranged in bundles called ________. 3) A) aponeuroses B) compartments C) fascicles D) retinacula E) groups 4) A clinician induces contraction of the gastrocnemius and soleus and notices that the 4) foot does not plantar flex as expected. Which of the following would be a logical diagnosis? A) Anterior compartment syndrome B) Lateral plantar nerve injury C) Ruptured calcaneal tendon D) Shinsplints E) Peroneal nerve injury 1  5) In lifting a heavy weight from the floor, one should use the power of the ________ in 5) order to avoid straining the lower back. A) knee and hip extensors B) biceps brachii and brachialis C) gastrocnemius and soleus D) trapezius and latissimus dorsi E) external and internal abdominal obliques 6) The antagonist to the triceps brachii is the ________. 6) A) biceps brachii B) supinator C) teres minor D) deltoid E) anconeus 7) While sitting at your desk, you drop your pencil onto the floor. You bend over to pick 7) up the pencil. In order to straighten up and continue your exam you must use which of the following muscles? A) Semimembranosus B) Erector spinae C) Tibialis anterior and semimembranosus D) Tibialis anterior E) Extensor hallucis longus TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 8) The triceps surae consists of three muscles in the lower limb. 8) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 9) The deepest muscle of the abdominal wall is the ________. 9) A) rectus abdominis B) latissimus dorsi C) pectoralis minor D) internal oblique E) transverse abdominal 2 10) Which term best describes the relationship of the deltoid and SITS muscles during 10) shoulder abduction? A) Adductors B) Synergists C) Prime movers D) Antagonists E) Fixators 11) You hear a loud noise behind you and look back over your left shoulder. Which of the 11) following is true? A) This was an ipsilateral contraction of your left sternocleidomastoid muscle. B) This was a contralateral contraction of your right sternocleidomastoid muscle. C) This was an ipsilateral contraction of your right sternocleidomastoid muscle. D) This was a contralateral contraction of your left sternocleidomastoid muscle. 12) Which of the following muscles of facial expression is not innervated by the facial 12) nerve? A) Levator palpebrae superioris B) Zygomaticus major C) Buccinator D) Corrugator supercilii E) Orbicularis oculi 13) The semitendinosus is an example of what muscle shape? 13) A) Fusiform B) Pennate C) Sphincter D) Convergent E) Triangular 14) After childbirth, a woman begins experiencing tremendous pain in her groin, making it 14) difficult for her to walk. An X-ray shows a fracture extending from her symphysis pubis to the inferior ramus of the pubis. As a result of the fracture, which group of muscles might be impaired? A) Thigh adductors B) Hip flexors C) Hip extensors D) Lateral rotators E) Thigh abductors 3 15) The occipitalis and frontalis are connected via the ________. 15) A) galea orbicularis B) galea neurotica C) galea aponeurotica D) galea retinaculum E) galea cranium 16) Which of the following describes muscular tissue emerging directly from bone rather 16) than being separated from it by an obvious tendon? A) Aponeurosis B) Indirect attachment C) Direct attachment D) Inverted attachment 17) Which cranial nerve innervates the sternocleidomastoid and trapezius? 17) A) Facial B) Trigeminal C) Accessory D) Abducens E) Vagus 18) Which of the following muscles is responsible for medially rotating the tibia on the 18) femur when the knee is flexed? A) Adductor brevis B) Semitendinosus C) Sartorius D) Piriformis E) Vastus medialis 19) Which term below best describes the deltoid? 19) A) Involuntary B) Intrinsic C) Parallel D) Extrinsic E) Fusiform 20) What is the longest muscle in the human body? 20) A) Semitendinosus B) Sartorius C) Erector spinae D) Semimembranosus E) Iliopsoas 4 21) What term best describes the relationship between the pronator quadratus and 21) supinator? A) Prime movers B) Synergists C) Depressors D) Fixators E) Antagonists 22) Which muscle is innervated by the tibial nerve? 22) A) Vastus lateralis B) Tibialis anterior C) Semimembranosus D) Extensor digitorum longus E) Fibularis longus 23) An Olympic sprinter readies for a race. After the sound of the starting gun, he propels 23) himself forward from the starting block and immediately grimaces in pain, grabbing for the back of his thigh. Within 48 hours he begins noticing extensive bruising on the back of his thigh extending into the back of the knee. He now has difficulty rising from a seated position and flexing his knee. Bending at the waist generates more pain. Which muscle is likely injured? A) Gluteus maximus B) Iliopsoas C) Biceps femoris D) Gastrocnemius E) Popliteus 24) Tendinous intersections divide the ________ into segments that are externally visible 24) on the abdomen of a well-muscled person. A) serratus anterior B) transverse abdominal C) vastus lateralis D) quadriceps femoris E) rectus abdominis 25) The aponeurosis of the external oblique forms the ________ at its inferior margin. 25) A) inguinal ligament B) linea semilunaris C) medial retinaculum D) linea alba E) rectus sheath 5  26) A baseball pitcher who injures one of his SITS muscles most commonly sustains tears 26) to the tendon of which muscle? A) Supraspinatus B) Subscapularis C) Infraspinatus D) Deltoid E) Teres minor 27) Which muscle acting on the arm assists in deep inspiration? 27) A) Diaphragm B) Trapezius C) Teres minor D) Pectoralis major E) Deltoid 28) Which of the following muscles is the prime mover for inhalation? 28) A) External intercostals B) Hyoglossus C) Stylohyoid D) Internal intercostals E) Diaphragm 29) Groups of muscles are separated by which of the following? 29) A) Epimysium B) Endomysium C) Fascicles D) Fascia E) Perimysium TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 30) A sacral fracture affecting the S3 and S4 nerve roots would result in a person having 30) difficulty with evacuation of the bowels. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 31) Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral 31) column? A) Serratus anterior B) Quadratus lumborum C) Multifidus D) External intercostals E) Latissimus dorsi 6 32) A skateboarder falls and lands directly on his buttocks and lower back. He does not feel 32) much pain and continues skating. After a couple of days he begins experiencing right hip pain and notices his right foot and leg are rotated to the right. A doctor diagnoses a muscle spasm. Which of the following muscles is most likely causing the leg and foot rotation? A) Adductor longus B) Sacrospinalis C) Quadratus lumborum D) Tibialis posterior E) Piriformis 33) A point of convergence for several muscles of the lower face is the ________. 33) A) retinaculum B) nuchal line C) galea D) modiolus E) aponeurotica 34) Which of the following muscles is innervated by the obturator nerve? 34) A) Biceps femoris B) Gracilis C) Soleus D) Sartorius E) Tibialis anterior Y 35) Some people suffer involuntary urination due to incompetence of what muscle? 35) A) Compressor urethrae B) External urethral sphincter C) Levator ani D) Bulbospongiosus E) Ischiocavernosus 36) Which of the following muscles is not externally visible on the trunk of the body? 36) A) Trapezius B) Transverse abdominal C) Pectoralis major D) External abdominal oblique E) Latissimus dorsi 7 37) When a nurse draws blood, it is not uncommon for the needle to penetrate which 37) muscle near the cubital region? A) Semimembranosus B) Supinator C) Pronator quadratus D) Buccinator E) Pronator teres 38) Which of the following muscles adducts and medially rotates the thigh? 38) A) Adductor magnus B) Rectus femoris C) Sartorius D) Gracilis E) Piriformis 39) The rectus abdominis is a ________ muscle, while the rectus femoris is a ________ 39) muscle. A) convergent; unipennate B) multipennate; convergent C) fusiform; parallel D) bipennate; parallel E) parallel; bipennate 40) Tennis elbow is a common term describing injury to the attachment of which of the 40) following? A) Pronator quadratus B) Subscapularis C) Extensor hallucis longus D) Extensor carpi radialis longus E) Flexor digitorum profundus 41) Which of the following muscles is in the medial compartment of the thigh? 41) A) Soleus B) Adductor longus C) Semimembranosus D) Vastus medialis E) Piriformis 8  42) Carpal tunnel pressure is sometimes relieved by surgically excising part or all of which 42) structure? A) Extensor aponeurosis B) Palmar aponeurosis C) Flexor retinaculum D) Median nerve E) Extensor retinaculum 43) The muscles that laterally rotate and depress the scapula, as in shrugging and lowering 43) the shoulders, are the ________. A) trapezius and rhomboideus B) trapezius and latissimus dorsi C) pectoralis minor and serratus anterior D) trapezius and serratus anterior E) levator scapulae and rhomboideus TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 44) Injury to the deep fibular nerve would cause inability to extend ones toes. 44) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 45) Which of the following muscles of mastication would be responsible for mandibular 45) elevation? A) Lateral pterygoid B) Temporalis C) Zygomaticus minor D) Zygomaticus major E) Stylohyoid 46) An injury that results in complete functional loss of the ulnar nerve will affect which of 46) the following muscles? A) Abductor digiti minimi B) Extensor indicis C) Brachioradialis D) Flexor carpi radialis E) Abductor pollicis brevis 47) An ________ muscle is contained within a region whereas an ________ muscle acts 47) upon one region but has an attachment elsewhere. A) extrinsic; intrinsic B) intrinsic; extrinsic C) innate; extraneous D) extraneous; innate 9 48) Which of the following correctly states the proximal and distal attachments of the 48) sternocleidomastoid? A) Mastoid process and lateral half of superior nuchal line; sternal manubrium, medial one-third of clavicle B) Sternal manubrium and lateral one-third of clavicle; mastoid process and lateral half of superior nuchal line C) Sternal manubrium and medial half of clavicle; mastoid process and medial one-third of superior nuchal line D) Sternal manubrium and lateral half of clavicle; mastoid process and lateral one-third of superior nuchal line E) Sternal manubrium and medial one-third of clavicle; mastoid process and lateral half of superior nuchal line 49) Which of the following is true regarding the levator scapulae? 49) A) It protracts the scapula if the humerus is fixed. B) It is innervated by the phrenic nerve. C) It flexes the neck if the scapula is fixed. D) It rotates the scapula and depresses the apex of the shoulder. E) It elevates the scapula if the scapula is fixed. 50) Which of the following is not a function of the muscular system? 50) A) Stability B) Heat production C) Breathing D) Control of openings E) Secretion 51) Which muscle attaches to the manubrium and the thyroid cartilage, and aids in singing 51) low notes? A) Thyrohyoid B) Stylohyoid C) Omohyoid D) Sternothyroid E) Lateral pterygoid 52) The palatoglossus is innervated by which nerve(s)? 52) A) Hypoglossal and accessory B) Vagus C) Accessory and vagal D) Hypoglossal E) Accessory 10 53) After taking their wedding vows, a bride and groom often ceremonially use which of 53) the following muscles before walking away from the altar? A) Levator labii superioris B) Orbicularis oris C) Quadriceps femoris D) Depressor anguli oris E) Platysma 54) Which muscle(s) of respiration is(are) innervated by the phrenic nerve? 54) A) Internal intercostals B) Pectoralis major C) External intercostals D) Diaphragm E) Innermost intercostals 55) Which one of these muscles helps to open the mouth (depress the mandible)? 55) A) Hyoglossus B) Zygomaticus major C) Digastric D) Sternohyoid E) Depressor anguli oris 56) Which of the following muscles inserts on the head of the fibula? 56) A) Biceps femoris B) Semitendinosus C) Extensor digitorum longus D) Popliteus E) Tibialis anterior 57) The ________ attaches to the zygomatic arch and also to the angle of the mandible. 57) A) genioglossus B) buccinator C) temporalis D) masseter E) stylohyoid 58) The study of the muscular system is known as ________. 58) A) neurology B) kinesiology C) pathophysiology D) biology E) myology 11 59) Which of the following extensors of the head is the most superficial? 59) A) Splenius capitis B) Trapezius C) Sternocleidomastoid D) Temporalis E) Semispinalis capitis 60) Which of the following is an intrinsic muscle of the hand? 60) A) Extensor carpi radialis brevis B) Adductor pollicis C) Extensor indicis D) Abductor pollicis longus E) Extensor pollicis longus 12 Answer Key Testname: UNTITLED1 1) C 2) D 3) C 4) C 5) A 6) A 7) B 8) FALSE 9) E 10) B 11) B 12) A 13) A 14) A 15) C 16) C 17) C 18) B 19) D 20) B 21) E 22) C 23) C 24) E 25) A 26) A 27) D 28) E 29) D 30) TRUE 31) B 32) E 33) D 34) B 35) B 36) B 37) E 38) A 39) E 40) D 41) B 42) C 13 Answer Key Testname: UNTITLED1 43) D 44) TRUE 45) B 46) A 47) B 48) E 49) C 50) E 51) D 52) C 53) B 54) D 55) C 56) A 57) D 58) E 59) B 60) B 14