MCQ question and answers about skeleton system

 MCQ question and answers about skeleton system 

1) How many bones are there in an adult human skeleton?

a) 206

b) 180

c) 300

d) 126

Answer: a) 206

explain: 

The number of bones can vary slightly between individuals, depending on factors like bone fusion. However, the standard count for an adult human skeleton is 206 bones.

2) Which of the following is NOT a function of the skeletal system?

a) Support and structure

b) Protection of organs

c) Production of blood cells

d) Storage of minerals

Answer: c) Production of blood cells

explain:

While the skeletal system plays a role in storing minerals and providing support, the production of blood cells is actually the function of bone marrow, which is found inside some bones.

3) The skull is made up of how many individual bones?

a) 8

b) 14

c) 22

d) 30

Answer: c) 22

explain:

The skull is a complex structure composed

 of 22 individual bones, some of which are fused together in adults. These bones  protect the brain and other vital organs in the head.

4) What type of joint allows for the most movement, such as in the shoulder?

a) Ball and socket joint

b) Hinge joint

c) Gliding joint

d) Fibrous joint

Answer: a) Ball and socket joint

explain:

Ball and socket joints allow for a wide range of motion in multiple directions, making them ideal for joints like the shoulder and hip.

5) The smallest bone in the human body is located in which ear?

a) Inner ear

b) Middle ear

c) Outer ear

Answer: b) Middle ear

explain:

The stapes, located in the middle ear, is the smallest bone in the human body. It is only about the size of a grain of rice and plays an important role in hearing.

6) What is the name of the curved bone at the base of the spine?

a) Sacrum

b) Coccyx

c) Scapula

d) Sternum

Answer: a) Sacrum

explain:

The sacrum is a triangular bone that connects the spine to the pelvis. It provides support and stability for the lower back.

7) What type of cartilage is found between the vertebrae in the spine, acting as a cushion?

a) Hyaline cartilage

b) Fibrocartilage

c) Elastic cartilage

d) Articular cartilage

Answer: d) Articular cartilage

explain:

Articular cartilage is a smooth, hyaline-like cartilage that covers the ends of bones where they form joints. It helps to reduce friction and prevent wear and tear.