Human Anatomy Weekly Quiz 4

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Muscle, Head & Neck, and Back

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40 Terms

1
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What type of muscle fiber is the slowest to fatigue and stores oxygen?

slow oxidative

2
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Where is cardiac muscle found in the body?

myocardium

3
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How many nuclei are found in a cardiac muscle cell?

one

4
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What do the smallest units of skeletal muscle form when added together?

myofibrils

5
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What is the most inferior of the muscles that pull the upper lip superiorly?

zygomaticus major

6
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What muscle of facial expression pulls the upper lip superiorly and exposes the upper teeth?

zygomaticus minor

7
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What axial muscle is superior to the mental region?

orbicularis oris

8
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What is the action when only the muscles on one side of the posterior neck contract?

the head rotates to the same side

9
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What is the insertion of the most superior/medial muscle of mastication?

coronoid process of the mandible

10
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What is the most lateral group in the erector spinae group?

iliocostalis group

11
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What bones form the right squamous suture?

right parietal and right temporal bones

12
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What is found is between the two large bony structures on the proximal area/anterior view of the bone of the brachium?

intertubercular sulcus of the humerus

13
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What does the superior articulating surface of the posterior bone of the pectoral girdle articulate with? Be as specific as possible.

acromial end of the clavicle

14
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What is the name of a tendon that has a sheet-like arrangement?

aponeurosis

15
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What muscle tissue is non-striated?

smooth muscle tissue

16
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What is the name of the dense irregular connective tissue sheath that surrounds a skeletal muscle fascicle?

perimysium

17
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What muscle fiber does not store oxygen?

fast glycolytic

18
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What muscle is medial to the most inferior of the muscles of mastication?

buccinator

19
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What is an action of the axial muscle that forms the cheek?

moves food medially between the molars

20
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What muscle of mastication inserts on the mastoid process of the temporal bone?

none

21
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What is the most superficial muscle of the lower to middle back?

latissimus dorsi

22
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What bones form the right squamous suture?

right parietal and right temporal bones

23
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Starting from the lateral border, what is the second carpal bone in the proximal row?

lunate

24
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What carpal bone cannot be seen from the posterior view?

pisiform

25
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What do we call muscles that oppose the actions of a prime mover?

antagonists

26
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What muscle fiber contains some myoglobin but is not the slowest to fatigue?

fast oxidative

27
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What is the most inferior muscle that pulls the lower lip and, to some extent, the mandible, inferiorly?

platysma

28
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What is the most inferior section of the sternum?

xiphoid process of the sternum

29
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What is the most inferior/anterior structure of the os coxae where muscles attach?

pubic tubercle of the pubis

30
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What is the most inferior/posterior structure of the os coxae?

ischial tuberosity of the ischium

31
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What muscle fibers are fastest to fatigue?

fast glycolytic

32
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What is the union between cardiac muscle cells called?

intercalated disc

33
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What protein in muscle fibers saves oxygen?

myoglobin

34
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When a skeletal muscle crosses a joint, the bone that moves the least is called what?

origin

35
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What muscle is inferior to the superior/anterior of the axial muscles?

orbicularis oculi

36
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What paranasal sinus is found in a facial bone?

maxillary sinus

37
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What is found running the length of the shaft in the posterior view of the bone of the thigh?

linea aspera of the femur

38
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What is the structure that is proximal/anterior/midline and is inferior to the articulating structures of the medial bone of the leg?

tibial tuberosity of the tibia

39
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In naming a muscle, what is the term that indicates that the muscle fibers are arranged in a circular fashion?

orbicularis

40
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What structure is inferior/medial to the neck of the lateral bone of the antebrachium?

radial tuberosity of the radius