S A N C L E M E N T E H I G H S C H O O L

Important note: the following test can only be viewed using Internet Explorer 4.0 or higher or any browser that supports Dynamic HTML

Human Biology: Practice Test Unit III

Bones, Muscles, Skin

Test your knowledge!

Click on a circle with your mouse. Scroll down for the next question.

1. The human skeleton has _________ bones of various sizes and shapes.

		106
		206
		156
		over 600

2. The _________ is the tough outer covering of bones.

		dermis
		epidermis
		periosteum
		melanin

3. The surface layer of the skin is known as the _____________.

		dermis
		epidermis
		periosteum
		melanin

4. _________ are any place where two bones meet.

		tendons
		muscles
		ligaments
		joints

5. _________ make bone hard.

		fats
		minerals
		carbohydrates
		proteins

6. One function of spongy bone is to _____________.

		store minerals
		produce white blood cells
		produce red blood cells
		make the bone lightweight

7. _________ are organs that contract and get shorter

		muscles
		ligaments
		periosteum
		joints

8. _______ are thick bands of tissue that attach muscles to bone.

		ligaments
		tendons
		muscles
		perisoteum

9. The dense, strong layer of bone is called _____________.

		cartilage
		periosteum
		bone marrow
		compact bone

10. _________ muscle is involuntary muscles of the digestive system.

		skeletal
		smooth
		cardiac
		pancreatal

11. ___________ is tissue found in the center of bones and is responsible for making blood cells.

		marrow
		dermis
		melanin
		spongy bone

12. _________ muscles are any muscles that are not consciously controlled.

		voluntary
		involuntary
		epideral
		skeletal

13. Tough bands of tissue that hold bones together are called ___________.

		periosteum
		tendons
		ligaments
		smooth muscle

14. The inner layer of skin is known as the _____________.

		epidermis
		dermis
		keritanaceous
		non-keritanaceous

15. ______________ covers the ends of bone

		cartilage
		tendons
		muscle
		all of the above

16. Dead cells are found on the _________.

		dermis
		marrow
		epidermis
		periosteum

17. __________ helps retain fluids in the body.

		bone
		muscle
		skin
		a steroid

18. About ___________ of your body mass is muscle tissue.

		20-25%
		25-30%
		30-35%
		40-50%

19. All of the following are true of heart muscle except that it ____________.

		has striations
		contracts about 30 times a minute
		is found in the heart
		is involuntary

20. Your limb bones (arm and leg) are considered to be __________ bones.

		long
		short
		flat
		irregular

21. _____________ muscle cells can be described as: very long, cigar-shaped, multinucleate, with striations.

		smooth
		cardiac
		heart
		skeletal

22. The joints of the bones of the skull and pelvis are classified as __________ joints.

		gliding
		immovable
		hinge
		ball-and-socket

23. ____________ is the chemical that gives skin its color.

		phosphorus
		melanin
		sodium chloride
		urea

24. The smooth, flexible layer of tissue covering the ends of bones is ____________.

		cartilage
		periosteum
		spongy bone
		compact bone

25. Which of the following are functions of bones?

		gives shape and support to body
		storehouse for minerals
		protect internal organs
		all of the above

26. ___________ break down bone tissue and release calcium and phosphorus when needed by the body.

		muscle fibers
		osteoblasts
		osteoclasts
		ligaments

27. ___________ joints are the most frequently used joints in your body.

		gliding
		ball-and-socket
		immovable
		pivot

28. _____________ is a disease of children in which bones fail to calcify.

		gout
		osteoporosis
		arthritis
		rickets

29. The ___________ system includes your hair and nails.

		endocrine
		integumentary
		skeletal
		excretory

30. Skeletal muscles are attached to bone in at least two places. The point at which a muscle attaches to a movable bone is called the _____________.

		joint
		insertion
		origin
		ligament

31. Which of the following is (are) pigments that are responsible for skin color?

		carotene
		melanin
		red dye #5
		a and b only

32. Most muscles work ______________.

		sometimes
		one at a time
		in pairs
		independently

33. The ends of bones are covered with a thick, smooth layer of _______________ to help absorb shock and make movement easier.

		fat
		oil
		periosteum
		cartilage

34. There are approximately _______ muscles in the human body.

		106
		206
		156
		over 600

35. Which of the following is an important function of muscles.

		produces movement
		stabilizes joints
		generates heat
		all of the above

36. The large leg bone found in your upper leg (thigh) is known as the ____________.

		humerous
		scapula
		femur
		Ulna

37. Another name for the shoulder blade is the ________.

		mandible
		scapula
		clavicle
		sternum

38. Which of the following are considered long bones.

		humerous
		scapula
		femur
		both a and c

39. The process by which cartilage is replaced by bone-forming cells is called ___________.

		ossification
		cartilagation
		boneification
		ligamentation

40. The outer layer of skin contains _________ which helps to make skin 'water-repellent'.

		melanin
		carbohydrates
		dermoid cells
		keratin

Back to Homework page

H E Y ! M R . W I L S O N

Website by Duncan Wilson

Page last updated October 11, 2009

The links on this page connect students to resources, which are recommended because of their educational content and value. I do not intend your child to visit any pages beyond those to which I have provided specific links. We recommend that you supervise/monitor your child's Internet activity at all times.