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Unit 3 Chapter 10
Assessment
| Question | Answer |
|---|---|
| What is a retinaculum? | A band of connective tissue that covers and stabilizes a group of tendons |
| The semitendinosus is an example of what muscle shape? | Fusiform |
| Which of the following is not a function of the muscular system? Stability Heat production Control of openings Secretion Breathing | secretion |
| The skeletal muscles are innervated by _________blank. | spinal nerves and cranial nerves |
| The rectus abdominis is a _________blank muscle, while the rectus femoris is a _________blank muscle. | parallel; bipennate |
| After taking their wedding vows, a bride and groom often ceremonially use which of the following muscles before walking away from the altar? | Orbicularis oris |
| Which of the following muscles of facial expression is not innervated by the facial nerve? | Levator palpebrae superioris ;innervated by oculomotor nerve |
| Which of the following extensors of the head is the most superficial? Trapezius Semispinalis capitis Splenius capitis Sternocleidomastoid Temporalis | Trapezius |
| Which of the following correctly states the proximal and distal attachments of the sternocleidomastoid? | Sternal manubrium and medial one-third of clavicle; mastoid process and lateral half of superior nuchal line |
| Which of the following muscles of mastication would be responsible for mandibular elevation? Temporalis Lateral pterygoid Stylohyoid Zygomaticus major Zygomaticus minor | Temporalis |
| Which of the following muscles is not externally visible on the trunk of the body? Transverse abdominal Latissimus dorsi Trapezius Pectoralis major External abdominal oblique | Transverse abdominal |
| The deepest muscle of the abdominal wall is the _________ | transverse abdominal |
| Which of the following muscles is the prime mover for inhalation? Internal intercostals External intercostals Diaphragm Stylohyoid Hyoglossus | Diaphragm |
| Some people suffer involuntary urination due to incompetence of what muscle? | External urethral sphincter |
| Tennis elbow is a common term describing injury to the attachment of which of the following? Extensor hallucis longus Pronator quadratus Extensor carpi radialis longus Subscapularis Flexor digitorum profundus | Extensor carpi radialis longus |
| A baseball pitcher who injures one of their SITS muscles most commonly sustains tears to the tendon of which muscle? | Supraspinatus |
| Which of the following is true regarding the levator scapulae? | It flexes the neck if the scapula is fixed. |
| The serratus anterior is innervated by which nerve? | Long thoracic |
| A skateboarder falls and lands directly on their buttocks and lower back. They do not feel much pain and continue skating. After a couple of days they begin experiencing right hip pain and notice their 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? Piriformis |
| Which of the following muscles adducts and medially rotates the thigh? | Adductor magnus |
| What is the longest muscle in the human body? | Sartorius |
| skydiver parachute fails to deploy but after some struggle, their reserve chute opens in time to save their life. However, their landing is harder than normal and they feel their knee slightly hyperextend. Later that day they begin experiencing knee pain. | Two days later they notice that their knee "pops" when they crouch and soon discover they have dislocated their femur. Which muscle was likely initially injured? Popliteus |