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Chap 9 Practice exam

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Created by: Yecenia

Question	Answer
Which of the following muscles is named for its shape?	pronator quadratus
Which muscle provides voluntary control of defecation?	external anal sphincter
When walking, which muscle flexes your forearm?	brachioradialis
The masseter and temporalis muscles provide much of the force for:	chewing.
Which muscle abducts the thigh, medially rotates the thigh and pelvis of the moving limb during walking?	gluteus minimus
When climbing stairs, which muscle or muscle group flexes your leg at the knee?	hamstring group
When climbing stairs, which muscles plantarflex your foot?	gastrocnemius and soleus
What is the action of flexor carpi ulnaris?	flex the hand
Each of the following muscles acts to extend the thigh and flex the leg, EXCEPT:
Which of the following muscles does NOT adduct the thigh?	Rectus Femoris
Triceps brachii and biceps brachii perform opposing actions and are classified as:	Antagonist
Muscles that move the thumb will be named using the term	pollicis.
Which of the following muscles is named for its action?	adductor magnus
Which of the following muscles is named using a directional term?	vastus lateralis
The vastus lateralis, vastus medialis, and vastus intermedius muscles insert on the:	patella and tibial tuberosity of the tibia.
The quadriceps femoris group includes all of the following EXCEPT: biceps femoris. vastus medialis. vastus lateralis. vastus intermedius.	biceps femoris.
Which muscle works as an antagonist to orbicularis oculi?	levator palpebrae superioris
Which of the following is NOT a muscle of the rotator cuff?	teres major
Where does infraspinatus insert?
Most levers in the human body are:	third-class levers
The external urinary sphincter provides involuntary control of urination.	false
The union of the muscles of the quadriceps femoris group forms the quadriceps tendon, which continues on to form the patellar ligament.	true
The muscle named gluteus maximus tells us two facts: 1) it is located in the buttocks (gluteus), and 2) it is a large muscle (maximus).	true
When climbing stairs, the gluteus maximus and hamstring group muscles work as antagonists.	False
The superiorly positioned spinalis and longissimus groups of the erector spinae muscles each have a capitis muscle, cervicis muscle, and thoracis muscle.	True
An agonist is a muscle that provides most of the force required for a given movement.	True
Iliopsoas is formed by the union of two muscles known as: Question 4 options: iliacus and psoas major. vastus medialis and vastus lateralis. sartorius and gracilis. pectineus and adductor magnus.	iliacus and psoas major
The superior aspect of the pubic bones is the origin of: Question 5 options: external oblique. rectus abdominis. internal oblique. rectus femoris.	rectus abdominis.
Which group is a synergist to the adductor group? Question 6 options: vastus medialis rectus femoris sartorius gracilis	gracilis
Where is the origin of the frontalis muscle?	Frontal bone
The ability to produce muscle tension allows skeletal muscles to produce body movements known as an: Question 8 options: insertion. action. innervation. origin.	Action
Which muscle flexes the hand and abducts the hand? Question 9 options: flexor carpi radialis palmar interossei abductor pollicis longus extensor digitorum
From medial to lateral, what are the muscles of the hamstring group? Question 10 options: semitendinosus, biceps femoris, semimembranosus semimembranosus, semitendinosus, biceps femoris biceps femoris, semitendinosus, semimembranosus semitend	semimembranosus, semitendinosus, biceps femoris
Damage to which of the following muscles would interfere most with the ability to breathe? Question 11 options: obliques platysma pterygoid diaphragm	diaphragm
John experienced a cut that severed the tendon that attaches the insertion of the gastrocnemius muscle. As a result of this injury, what action is difficult for him to perform? Question 12 options: inversion of the foot eversion of the foot dors	Plantar Flexion
Damage to the stylohyoid, mylohyoid, and geniohyoid impairs: Question 13 options: smiling. lateral eye movements. chewing. swallowing.	Swallowing
Which of the following is NOT a muscle of ventilation, or breathing? Question 14 options: diaphragm internal intercostal muscles external intercostal muscles external oblique muscle
Which muscle assists with smiling? Question 17 options: orbicularis oculi buccinator zygomaticus major depressor anguli oris	Zygomatics Major
What type of muscle performs an anchoring function by holding a bone in place? Question 18 options: fixator agonist synergist antagonist	Fixator
The deltoid is responsible for: Question 19 options: extending the humerus. medially rotating the humerus. abducting the arm. adducting the arm.	Abducts arm
Which of the following muscles extends the leg at the knee joint? Question 20 options: rectus femoris adductor magnus gracilis sartorius	Rectus Femoris
In the human body, what is the fulcrum in a lever system? Question 21 options: The fulcrum is the effort generated by muscle contractions. The fulcrum is the angle of the movement. The fulcrum is the weight of the body part being moved. The f
A lever system works at a mechanical advantage when: Question 22 options: the fulcrum is equally situated between the load and the force. the fulcrum is located farther from the applied force. a small load is to be moved. the fulcrum is locat	B
Damage to the pectoralis major would interfere with a person's ability to: Question 23 options: elevate the scapula. adduct the arm at the shoulder. extend the forearm. abduct the arm at the shoulder.	adduct the arm at the shoulder.