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Skeletal, Muscular, & Integumentary Systems - Exam 1

Total questions: 45

Worksheet time: 30mins

Name
Class
Date
1.

Which of the following are functions of the bones?

a)

Support and Protection

b)

Attachment to the muscles

c)

Stores inorganic salts

d)

All of the above

2.

An example of a long bone is?

a)

Spinal Cord

b)

Wrist Bone

c)

Thigh Bone

d)

Sternum

3.

How many classifications of bones are there?

a)

5

b)

4

c)

6

d)

3

4.

Which bone is composed of trabeculae?

a)

spongy

b)

cartilage

c)

compact

d)

articulate

5.

Bone cells are known as

a)

Lacunae

b)

Osteocytes

c)

Collagen

d)

Osteon

6.

The function of Osteoclasts is

a)

To breakdown calcified matrix of bone

b)

Secrete acids that dissolve the inorganic component of calcified matrix

c)

Phagocytize components of the bony matrix

d)

All the above

7.

Which of the following bones is NOT part of the axial skeleton?

a)

clavicle

b)

frontal

c)

vertebrae

d)

sternum

8.

Red bone marrow functions to

a)

produce fat

b)

produce blood cells

c)

store cells

d)

produce new bone cells

9.

Yellow marrow functions to ______.

a)

produce new bone cells

b)

store calcium

c)

store fat

d)

produce calcium

10.

Spongy bone

a)

C

b)

B

c)

E

d)

D

11.

Shaft, composed of compact bone

a)

C

b)

F

c)

A

d)

B

12.

Bone destroying cells:

a)

osteocytes

b)

osteoblasts

c)

osteomasts

d)

osteoclasts

13.

Dense bone tissue that appears smooth and homogeneous:

a)

adipose tissue

b)

compact bone

c)

spongy bone

d)

hyaline cartilage

14.

Which of the following is NOT a category of bone?

a)

short

b)

irregular

c)

fat

d)

flat

15.
Which one of the following is an irregular bone?
a)
humerus
b)
tibia
c)
temporal
d)
vertebrae
16.
Which muscle type is found in your stomach, bladder, and intestines?
a)
Skeletal
b)
Smooth
c)
Cardiac
d)
Straight
17.
Which type of muscle is found in your heart?
a)
Skeletal
b)
Smooth
c)
Cardiac
d)
Straight
18.
When a muscle contracts, it _______
a)
gets longer
b)
gets shorter
c)
gets thinner
d)
grows hair
19.
Which types of muscle tissue are voluntary?
a)
Cardiac
b)
Skeletal
c)
Smooth
d)
Cardiac and Smooth
20.
Which muscles are involuntary?
a)
skeletal
b)
cardiac
c)
smooth
d)
smooth and cardiac
21.
Muscles always work in _____
a)
pairs
b)
groups of 3
c)
bones
d)
joints
22.
Voluntary muscle is
a)
muscle that has to be told when to move
b)
muscle that moves automatically
c)
muscle that needs to be stretched regularly
d)
muscle that makes up the heart and stomach
23.

What muscle is highlighted in the picture?

a)

Triceps

b)

Biceps

c)

Quads

d)

Deltoids

24.

What muscle is highlighted in the picture?

a)

Triceps

b)

Biceps

c)

Quads

d)

Deltoids

25.

What muscle is highlighted?

a)

Abdominals

b)

Quads

c)

Gluteus

d)

Hamstring

26.

Which structure provides an attachment site for calcium?

a)

actin

b)

troponin

c)

tropomyosin

d)

m-line

27.

Skeletal muscles...

a)

Require energy in order to contract

b)

Require energy in order to relax

c)

Relax when calcium ions are transported into the sarcoplasmic reticulum

d)

All of these

28.

Which of the following is true about the sodium potassium pump? (choose 2)

a)

Moves sodium into the cell

b)

Moves sodium out of the cell

c)

Moves potassium into the cell

d)

Moves potassium out of the cell

29.

Which of the following puts the structures of the muscle in order from largest to smallest?

a)

Whole muscle, muscle fiber, actin & myosin, myofibril, muscle fasicle

b)

Whole muscle, muscle fasicle, muscle fiber, myofibril, actin & myosin

c)

Whole muscle, muscle fiber, muscle fasicle, myofibril, actin & myosin

d)

Whole muscle, muscle fasicle, muscle fiber, actin & myosin, myofibril

30.
Anaerobic respiration
a)
causes fatigue
b)
produces lactic acid
c)
produces oxygen debt
d)
all of these
31.
What is the top layer of the skin called?
a)
Dermis
b)
Hypodermis
c)
Epidermis
d)
Subcutaneous
32.
Which layer of the skin contains lots of adipose tissue and connects the skin to muscle?
a)
Dermis
b)
Epidermis
c)
Keratin
d)
Subcutaneous
33.
Melanin:
a)
Helps protect skin from UV radiation
b)
Is found in almost every human being
c)
Is responsible for skin color
d)
All of the above
34.
This function of the skin allows  the body to retain or lose heat.
a)
body temperature regulation
b)
storage
c)
excretion
d)
absorption
35.
To what layer of skin is letter "B" pointing?
a)
Epidermis
b)
Dermis
c)
Hypodermis
d)
Melanin
36.
which type of gland produces oil for waterproofing the skin? 
a)
sebaceous 
b)
 apocrine 
c)
ceruminous 
d)
eccrine 
37.
Which of the following is NOT part of the integumentary system?
a)
Skin
b)
Cartilage 
c)
Nails
d)
Hair
38.
The sweat gland that produces "stinky" sweat is the 
a)
Apocrine gland
b)
Eccrine gland
c)
Sudoriferous gland
d)
Sebaceous gland
39.

This is the most painful burn.

a)

first degree

b)

second degree

c)

third degree

d)

fourth degree

40.

(mark as many possible answers)

Burns can be cause by:

a)

heat

b)

cold

c)

chemicals

d)

friction

e)

smoothness

41.

This burn degree affects only de epidermis

a)

1st

b)

2nd

c)

3rd

d)

4th

42.
A major function of skin is protection from:
a)
Abrasion
b)
UV light 
c)
Entry of microorganisms
d)
All of the above 
43.
Which is NOT a function of the skin?
a)
Insulation
b)
Movement
c)
Excretion
d)
Vitamin D Production
44.
Goosebumps are caused by contractions of the ______ muscle
a)
Arrector pili
b)
Apocrine
c)
Eccrine
d)
Sebaceous
45.
What causes acne?
a)
clogged sebaceous glands
b)
clogged apocrine glands
c)
clogged merocrine glands
d)
clogged sweat glands