Human Skeleton Quiz

2. Humans have which type of skeleton?

• Endoskeleton.
  Right! An endoskeleton is enclosed within the body, and an exoskeleton is external, like that of a clam.
• Exoskeleton.
  The answer is endoskeleton. An endoskeleton is enclosed within the body, and an exoskeleton is external, like that of a clam.

3. Which of the following is not a type of joint in the human body?

• Hinge joint.
  There are three types of moveable joints in our body. The hinge joint allows forward and backward movement, the pivot joint allows for rotary movement (as seen when moving your head around), and the ball-and-socket joint provides the greatest range of movement.
• Rotator joint.
  There are three types of moveable joints in our body. The hinge joint allows forward and backward movement, the pivot joint allows for rotary movement (as seen when moving your head around), and the ball-and-socket joint provides the greatest range of movement.
• Ball-and-socket joint.
  There are three types of moveable joints in our body. The hinge joint allows forward and backward movement, the pivot joint allows for rotary movement (as seen when moving your head around), and the ball-and-socket joint provides the greatest range of movement.

4. The ulna and radius make up which body part?

• The lower arm.
  The ulna is the inner lower arm bone, and the radius is the outer lower arm bone. The upper arm bone is called the humerus.
• The lower leg.
  The ulna is the inner lower arm bone, and the radius is the outer lower arm bone. The upper arm bone is called the humerus.
• The skull.
  The ulna is the inner lower arm bone, and the radius is the outer lower arm bone. The upper arm bone is called the humerus.

5. Also known as the braincase, this body part is formed from a group of bones that fuse together in childhood.

• Pelvis.
  The parietal, temporal, ethmoid, sphenoid, frontal, and occipital bones fuse together to form the cranium.
• Cranium.
  The parietal, temporal, ethmoid, sphenoid, frontal, and occipital bones fuse together to form the cranium.
• Sternum.
  The parietal, temporal, ethmoid, sphenoid, frontal, and occipital bones fuse together to form the cranium.

6. How many ribs does a human have?

• 8 pairs.
  12 pairs.
• 12 pairs.
  12 pairs.
• 14 pairs.
  12 pairs.

7. Of the 12 pairs of ribs in your body, which ones are the longest?

• 4th.
  The 7th rib averages 9.5 inches in length, and the next longest rib, the 8th rib, averages 9.1 inches.
• 7th.
  The 7th rib averages 9.5 inches in length, and the next longest rib, the 8th rib, averages 9.1 inches.
• 11th.
  The 7th rib averages 9.5 inches in length, and the next longest rib, the 8th rib, averages 9.1 inches.

8. What is the longest bone in the human body?

• Femur (thighbone).
  The femur is the longest bone in the human body, averaging 19.9 inches. The next longest is the tibia (shinbone) averaging 16.9 inches, and third longest is the fibula averaging 15.9 inches.
• Fibula (lower leg).
  The femur is the longest bone in the human body, averaging 19.9 inches. The next longest is the tibia (shinbone) averaging 16.9 inches, and third longest is the fibula averaging 15.9 inches.
• Radius (outer lower arm).
  The femur is the longest bone in the human body, averaging 19.9 inches. The next longest is the tibia (shinbone) averaging 16.9 inches, and third longest is the fibula averaging 15.9 inches.

9. What is the smallest bone in the human body?

• Stirrup (an inner ear bone).
  The stirrup bone, also known as the stapes, is the smallest bone in the human body, ranging from 0.25 to 0.33 cm long. It is the innermost of three small bones in the middle ear.
• Pisiform (a wrist bone).
  The stirrup bone, also known as the stapes, is the smallest bone in the human body, ranging from 0.25 to 0.33 cm long. It is the innermost of three small bones in the middle ear.
• Metatarsus (a foot bone).
  The stirrup bone, also known as the stapes, is the smallest bone in the human body, ranging from 0.25 to 0.33 cm long. It is the innermost of three small bones in the middle ear.

10. Any of the bones of the fingers or toes are known as:

• Patella.
  The answer is phalanges. The patella is another name for the kneecap, and the coccyx is another name for the tailbone.
• Coccyx.
  The answer is phalanges. The patella is another name for the kneecap, and the coccyx is another name for the tailbone.
• Phalanges.
  The answer is phalanges. The patella is another name for the kneecap, and the coccyx is another name for the tailbone.