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Muscular and Skeletal Systems
Muscular and Skeletal Systems
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1
Is the Tibia Axial or Appendicular?
Appendicular
Axial
2
Tendon
fibrous band running directly from one bone to another bone
Attaches blood vessels to muscle
attaches to muscle to muscle
Strong fibrous cord that attaches skeletal muscle to a bone
3
The skeletal system consists of the following:
Bones, ligaments, cartilage
Bones, brain, muscles
None of the above
Bones, muscles, skin
4
To contract, skeletal muscle cells must be stimulated by _______.
arteries
veins
skin
nerves
5
Lack of sunlight could cause children to develop rickets because...
Too little sunlight causes poor vision
poor ventilation stunts growth
malnutrition is bad for bones
vitamin D from sunlight is essential for mineralization of bones
6
Where is the Humerus Bone found?
Next to the Radius
The Upper Arm
Next to the Ulna
Below the Hip
7
the lower part of the trunk of the human body between the abdomen and the thighs
limbic
vertebrae
thorax
pelvis
8
Skeletal muscle cells are so long they are called _____
tendons
fibers
ligaments
bones
9
What is an Osteoblast
Bone building cell
Bone destroying cell
Disease
Bone in the foot
10
Smooth muscle is found......
Esophagus
Small intestine
Stomach
All answers are correct
11
What are the characteristics of fast twitch muscle fibres?
Endurance activities, fatigue slowly
Explosive activities, fatigue slowly
Endurance activities, fatigue quickly
Explosive activities, fatigue quickly
12
Name the bone highlighted in red.
Scapula
Clavicle
Sternum
Ulna
13
The large muscle in the front of the upper arm, having two points of attachment on one end.
quadriceps
biceps
triceps
monoceps
14
Actin and myosin...
Are found in the sarcomeres
All of the above
Interact during muscle contraction
Are proteins
15
Flexible connective tissue at the end of bones where they form a joint, reducing friction as the bones make contact.
osteocyte
cartilage
tendon
ligament
16
Is the Radius Axial or Appendicular?
Appendicular
Axial
17
The functions of which body system include mineral homeostasis, protection, and fat storage?
Skeletal
Muscular
Endocrine
Integumentary
18
Name the bone highlighted in red.
Humerus
Sternum
Clavicle
Scapula
19
What is NOT a function of the skeletal system?
Movement
Protection
Pumps Blood
Red Blood Cell Production
20
Children with rickets may have____
liver damage
Bowed legs
Rough skin
blindness
21
Involuntary muscle
muscle that you have control over
bones
muscle that you don`t have control over
bone tissue, connective tissue (ligaments)
22
What is the purpose of the tendon?
attaches muscles to bones
creates blood
attaches muscles to muscles
stores mineral salts
23
Which is a part of the axial skeleton ?
patella
arms
legs
sternum
24
Is the Sternum Axial or Appendicular?
Appendicular
Axial
25
The bones in your skull protects your:
brain
collagen
lungs
Heart
26
What mineral are bones made of primarily?
Vitamin C
Vitamin B
Zinc
Calcium
27
Which arm would do the most repetitions with a dumbbell, and why?
Arm 2: fast twitch fibers give a quicker energy burst than slow twitch.
Arm 2, because fast twitch fibers are stronger than slow twitch fibers.
Arm 1: since slow twitch fibers produce more force than fast twitch fibers.
Arm 1: slow twitch fibers don't tire as quickly as fast twitch fibers
28
Skeletal muscle is found where?
In the brain
In the legs
In the lungs
In the heart
29
Assume the muscles within both arms below are of the same strength. Which arm would lift the most weight, and why?
Arm 1, since muscles in shorter arms can exert more force on objects.
Arm 2, because muscles in longer arms are stronger.
Arm 1, because muscles in shorter arms are stronger.
Arm 2, since muscles in longer arms can exert more force on objects.
30
The role of osteoclast is to?
Build new tissue
Clean bone tissue
Harden bone tissue
Break down old bone tissue
31
Which statement about connective tissue is true?
Tendons connect muscles to bones.
Ligaments connect muscles to other muscles.
Muscles cannot contract without cartilage.
Cartilage connects bones to both muscles and other bones.
32
to bend a body part
lever
contract
flex
extend
33
Where would you find the femur bone?
In the arm
In the leg
In the backbone
In the skull
34
A myofibril is
An organelle in muscle cells
Muscle tissue
a molecule
A muscle cell
35
What does red bone marrow do?
Helps the liver
Gets rid of excess waste
Helps the digestive system
Produces blood cells
36
the smaller of the two forearm bones, extending from the elbow to the thumb side of the wrist.
ulna
humerus
radius
fibula
37
small bones forming the backbone
vertebrae
cochlea
carpals
tarsals
38
What happens to the actin and myosin during a muscle contraction?
Myosin filaments compress actin filaments, shortening the actin filaments.
The actin filaments are forced inward by the flexing of the muscle
Myosin filaments remain in place as they pull the actin filaments inward.
Actin pushes against myosin, shortening the myosin filaments.
39
When a sarcomere is shortened because myosin has pulled actin, it is called a:
wrangle-up
power-stroke
super-pull
reel-in
40
the large muscle in the back of the upper arm, having three points of attachment on one end.
triceps
monoceps
quadriceps
biceps
41
During muscle contraction where does ATP bind?
Troponin
Myosin head
Actin
Tropomyosin
42
Skeletal muscle is striated.
False
True
43
If an athlete has Slow twitch muscle fibres, what event is he/she suited to the most?
200m Sprint
Medium Distance Swimming
Marathons
Powerlifting
44
What does yellow bone marrow do?
Stores fat cells
Gets rid of excess waste
Produces protein
Stores water
45
Rickets can be causes by a lack of....
Vitamin C and Iron
Calcium and Vitamin C
Calcium
Vitamin D and Calcium
46
what does the cardiac muscle cell do
creates red blood cells
helps the heart pump
maintain posture, stabilise bones and joints and control internal movement
helps push food through your body and protects the inside of your organs
47
what is a ligament?
attaches bone to bone
allows bones to move
connects blood vessels
attaches bone to muscle
48
skeletal muscle cells have more than one nucleus
True
False
49
the contractile unit of the muscle cell
myocyte
Z-line
sarcomere
myofibril
50
Skeletal muscle is voluntary.
True
False
