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Sports Medicine muscles and skeleton

Total questions: 60

Worksheet time: 41mins

Name
Class
Date
1.

What is the structure of striated muscle cells?

a)

Muscle cells are composed of mitochondria, which generate energy for muscle contraction.

b)

Muscle cells are composed of connective tissue, which provides support and structure.

c)

Muscle cells are composed of blood vessels, which supply nutrients and oxygen to the muscles.

d)

Muscle cells are composed of myofibrils, which are made up of sarcomeres containing thick and thin filaments.

2.

Which type of muscle cells are under voluntary control?

a)

cardiac muscle cells

b)

skeletal muscle cells

c)

smooth muscle cells

d)

nervous muscle cells

3.

What are actin and myosin?

a)

Actin and myosin are types of carbohydrates.

b)

Actin and myosin are found in the brain.

c)

Actin and myosin are proteins involved in muscle contraction.

d)

Actin and myosin are involved in digestion.

4.

Which protein is thin and forms the filaments in muscle cells?

a)

myosin

b)

keratin

c)

collagen

d)

actin

5.

Which protein is thick and forms the filaments in muscle cells?

a)

myosin

b)

keratin

c)

troponin

d)

actin

6.

What is the role of actin and myosin in muscle cell contraction?

a)

Actin and myosin have no role in muscle cell contraction.

b)

Actin and myosin inhibit muscle cell contraction.

c)

Actin and myosin are only present in non-contractile cells.

d)

Actin and myosin generate force and cause muscle cell contraction.

7.

Which ion is needed for muscle contraction to occur?

a)

POTASSIUM

b)

CALCIUM

c)

SODIUM

8.

Muscles are attached to bones by _____.

a)

Ligaments

b)

Tendons

c)

Cartilage

d)

Axons

9.

Unit of contraction of a muscle.

a)

sarcomere

b)

motor unit

c)

fascicle

d)

myofibril

10.

The energy needed to perform a muscle contraction comes directly from

a)

ATP

b)

Oxygen

c)

Glucose

d)

Calcium

11.

Place the following events in sequence:

A) Your arm moves

B) An impulse travels along a nerve

C) You decide you want to move your arm.

a)

A B C

b)

C B A

c)

C A B

d)

A C B

12.

Specific proteins in muscles do the job of moving are called

a)

actin

b)

acetone

c)

myosin

d)

mylanta

13.

Muscle fibers contract when actin and myosin push against each other causing the fibers to separate.

a)

True

b)

False

14.

During exercise, tension on the muscle fibers leads to

a)

growth

b)

thinning

c)

microtears

d)

bulking

15.

Protein is important because it repairs torn muscle fibers resulting in thicker and longer fibers.

a)

True

b)

False

16.

A sarcomere is labeled here as _______.

a)

BD

b)

BC

c)

AE

d)

AB

17.

Which type of muscle cell is branched, has one nucleus, is striated, and has intercalated disks?

a)

Skeletal

b)

Cardiac

c)

Smooth

18.

Cardiac muscle is also know as....

a)

Myocyte

b)

Muscle fibers

c)

Myocardium

d)

Endocardium

19.

Striated tissue appears....

a)

Smooth

b)

Ragged

c)

Striped

d)

Sliced

20.

Cardiac muscle fibers are also known as....

a)

Myocytes

b)

Erythrocytes

c)

Muscle Strands

d)

Muscle cells

21.

Cardiac muscle fibers are connected by what?

a)

Muscle Strands

b)

Intercalated discs

c)

Intertwined strands

d)

Blood vessels

22.

Which cells of the heart generate action potentials?

a)

Pacemakers

b)

Neurons

c)

Fibers

d)

Cardiomyocytes

e)

Endocrine cells

23.

Which type of bone are human vertebrae classified as?

a)

Long

b)

Irregular

c)

Flat

d)

Short

24.

What type of bones are the ribs, sternum, and scapula all classified as?

a)

Long

b)

Flat

c)

Short

d)

Irregular

25.

The appendicular skeleton consists of the following:

a)

Head, neck, spine

b)

All bones of the pelvis

c)

All bones of the arms and legs

d)

All bones except the head, neck, and spine

26.

Which of the following bones is an example of a "long bone"?

a)

Rib

b)

Ulna

c)

Tarsal bone

d)

Mandible

27.

Which of the following bones is an example of a short bone?

a)

Femur

b)

Cranial bone

c)

Carpal bone

d)

Radius

28.

The "sternum" is a very important bone that protects ___________. (Click all that apply)

a)

the brain

b)

the heart

c)

the lungs

d)

the liver

29.

Which of the following best explains the relationship between the shape and function of bones?

a)

Studying the shape of bones makes it impossible to know how they are used.

b)

Humans can run because the femur is a long and heavy bone.

c)

Ribs can bend more flexibly because they are flat.

d)

Flat bones are very fragile.

30.

What is the skeletal system?

a)

All the bones in the body

b)

All the muscles and tendons

c)

All the organs in the body, both soft and hard tissues

d)

All the bones in the body and the tissues that connect them

31.

The sesamoid bone is embedded in ________.

a)

joint

b)

muscle

c)

ligament

d)

tendon

32.

Which of the following is not true about bones?

a)

Bones are non-living tissues

b)

Almost all blood supply comes from bones

c)

Bone growth stops around the age of 25

d)

Bones also store fat

33.

The highlighted portions of this image are known as the ________ and considered what type of bone?

a)

Phalanges; short bone

b)

Carpals; long bone

c)

Tarsals; short bone

d)

Metacarpals; irregular bones

34.

The highlighted bone in the image is the __________ and is considered what type of bone classification?

a)

Humerus; long bone

b)

Radius; short bone

c)

Tibia; irregular bone

d)

Femur; long bone

35.
The continuous breakdown and reforming of bone tissue is called ______.
a)
remodeling
b)
rebuilding
c)
rehabituation
d)
renewl
36.
Which step comes after a hematoma in the repair of a bone fracture?
a)
fibrocartilagenous (soft) callus
b)
hard (bony) callus
c)
bone remodeling
37.

Which of the following lists the steps of fracture repair in the correct sequence?

a)

hematoma, soft callus, bony callus, remodeling

b)

soft callus, bony callus, hematoma, remodeling

c)

remodeling, hematoma, bony callus, soft callus

d)

hematoma, bony callus, soft callus, remodeling

38.

Mature bone cells that maintain the bone matrix on a daily basis

a)

Osteogenic cells

b)

Osteocytes

c)

Osteoblasts

d)

Osteoclasts

39.

Gets buried in bone matrix and becomes an osteocyte

a)

Osteogenic cells

b)

lymph cell

c)

Osteoblasts

d)

Osteoclasts

40.

Builds the matrix ("osteoid") of the bone

a)

Osteogenic cells

b)

Osteocytes

c)

Osteoblasts

d)

Osteoclasts

41.

Mature bone cells found within the bone are called?

a)

osteocytes

b)

osteoblasts

c)

osteoclasts

d)

osteons

42.
A tendon is
a)
Connects bone to another bone
b)
A tear of the ligaments
c)
Connects muscles to bone
d)
An overuse injury
43.
A ligament
a)
Connects bone to another bone
b)
Connects muscle to bone
c)
Injury to a muscle
d)
Injury to a tendon
44.
Which of the following is a sign or symptom of a sprain
a)
swelling and warmth
b)
blistering of the skin
c)
pins and needles in the foot
d)
painless feeling
45.
A sprain can occur by
a)
observing a warmup
b)
watching a kickboxing class
c)
twisting a joint while running
d)
sitting for too long
46.

I in RICE stands for

a)

Ibuprofen

b)

Ice

c)

Insulation

d)

Iodine

47.

Immobilization

a)

Treating a bone through realignment with one's hands

b)

Treating a bone surgically with pins, rods, screws, and/or wires

c)

Placing the broken bone within a cast, splint, or boot

48.

What are the symptoms of a severe ankle sprain?

a)

Instability and feeling that the ankle is giving out

b)

Bruising and tenderness

c)

All of the above

d)

Pain and swelling

49.

What is the RICE protocol used for in the treatment of ankle sprains?

a)

To strengthen the muscles around the ankle

b)

To immobilize and support the injured ankle

c)

To improve flexibility, strength, and balance

d)

To control pain and swelling

50.

a)

Deltoid

b)

Tricep

c)

Bicep

d)

Quadricep

51.

a)

Achilles Chest

b)

Diaphragm

c)

Trapezius

d)

Pectoralis Major

52.

a)
Gluteus Maximus
b)
Hamstring
c)
Quadriceps
d)
Bicep Femoris
53.

a)

Obliques

b)
Trapezius
c)
Quadriceps
d)
Biceps
54.

a)

Quadricep

b)

Achilles Tendon

c)

Hamstring

d)

Bicep

55.

Ab muscles are formally called

a)

Abdominals

b)
Biceps femoris
c)
Deltoid
d)
Pectoralis major
56.

Outside abdominal muscles are called

a)

Obliques

b)

Transversus

c)

Glutes

d)

Pectoralis Major

57.

Which of the following is the mechanism of a sprain?

a)

tendon injury

b)

ligament injury

c)

blood vessel injury

d)

skin injury

58.

A 29 year old soccer player falls after a collision with another player during a game and hears an audible "pop" from her right knee, followed by intense pain and a complete inability to bear weight on that leg. Which of the following is the most likely diagnosis?

a)

Sprained ankle

b)

Anterior cruciate ligament (ACL) tear

c)

Contusion only

d)

Achilles tendinitis

59.

The humerus and radius are connected by _____________.

a)

ligaments

b)

tendons

c)

fascia

60.

The biceps muscle and the radius are connected by _____________.

a)

ligaments

b)

tendons

c)

fascia

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