PSW 151 Midterm Exam Actual
Questions and Answers 2026
Function of skeletal system -
correct answer ✅1. It allows for movement. Storage of minerals
and fat.
2. Supports the body.
3. Protects the internal organs.
4. Keeps you in the shape of your body.
5. Produces red blood cells.
6. Endocrine regulation. With hormones, metabolism.
4 types of bones and their functions -
correct answer ✅1.Flat - Protect the organs (Skull, ribs.)
2.Irregular - Allow various degrees of movement and flexibility and
bear some weight. (Jaw)
3.Long - Bear the wight of our bodies, provides strength, structure,
and mobility.
4.Short - Allow skill and ease in movement, articulate with more
than one bone. (Wrist, foot.)
What is a joint and list the 3 types -
correct answer ✅1. Synovial (Freely moveable) Elbow, wrists,
shoulder
, PSW 151 Midterm Exam Actual
Questions and Answers 2026
2. Cartilaginous (Slightly moveable) Spinal column
3. Fibrous (Immovable) (Skull bones)
Define synovial joint and explain the difference between it and
allother joints -
correct answer ✅Structure of synovial joins: Bones coming
together, cartilage at the end of the bones, bones can rub on each
other without cracking and causing pain.
Around the bone is ligaments, pull the bones together and hold it in
place. Ligaments are tissue.
Fluid in the joins, acts like oil in car, sac holds in liquid. If you hear
cracking or pain, lack of cartilage.
Synovial joints:
No direct union between the bones.
Ends of bones are covered with a layer of cartilage which reduces
friction.
Main difference between this and all other joints is it has a fluid
filled sac.
State the structure of synovial joints and list the three types -
correct answer ✅1. Ball and socket: Shoulder, hip. A bone with a
Questions and Answers 2026
Function of skeletal system -
correct answer ✅1. It allows for movement. Storage of minerals
and fat.
2. Supports the body.
3. Protects the internal organs.
4. Keeps you in the shape of your body.
5. Produces red blood cells.
6. Endocrine regulation. With hormones, metabolism.
4 types of bones and their functions -
correct answer ✅1.Flat - Protect the organs (Skull, ribs.)
2.Irregular - Allow various degrees of movement and flexibility and
bear some weight. (Jaw)
3.Long - Bear the wight of our bodies, provides strength, structure,
and mobility.
4.Short - Allow skill and ease in movement, articulate with more
than one bone. (Wrist, foot.)
What is a joint and list the 3 types -
correct answer ✅1. Synovial (Freely moveable) Elbow, wrists,
shoulder
, PSW 151 Midterm Exam Actual
Questions and Answers 2026
2. Cartilaginous (Slightly moveable) Spinal column
3. Fibrous (Immovable) (Skull bones)
Define synovial joint and explain the difference between it and
allother joints -
correct answer ✅Structure of synovial joins: Bones coming
together, cartilage at the end of the bones, bones can rub on each
other without cracking and causing pain.
Around the bone is ligaments, pull the bones together and hold it in
place. Ligaments are tissue.
Fluid in the joins, acts like oil in car, sac holds in liquid. If you hear
cracking or pain, lack of cartilage.
Synovial joints:
No direct union between the bones.
Ends of bones are covered with a layer of cartilage which reduces
friction.
Main difference between this and all other joints is it has a fluid
filled sac.
State the structure of synovial joints and list the three types -
correct answer ✅1. Ball and socket: Shoulder, hip. A bone with a
