Tag: gait of animals

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Multiple choice zoology musculo - skeleton system gait of animals basics of joints joints and type of joints skeleton, joints and muscles

Strongest cartilage is

  1. Hyaline cartilage

  2. Fibrous cartilage

  3. Elastic cartilage

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fibrous cartilage is the strongest kind of cartilage, because it has alternating layers of hyaline cartilage matrix and thick layers of dense collagen fibres oriented in the direction of functional stresses. This type of cartilage does not have a perichondrium as it is usually a transitional layer between hyaline cartilage and tendon or ligament. Thus, option B is correct.

Multiple choice zoology musculo - skeleton system gait of animals basics of joints joints and type of joints skeleton, joints and muscles

Which of the following acts as a shock absorber to cushion the tibia and the femur where they come together?

  1. Cartilage

  2. Ligament

  3. Tendon

  4. Disc
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Answer is option A i.e. "Cartilage"
Cartilage is a vertebrate skeletal connective tissue. It is an amorphous matrix and contains glycoproteins, basophilic chondroitin and fine collagen fibres.
Between tibia and femur, cartilage helps as shock absorber, it works to help the knee move smoothly. Cartilage helps in bone to bone ligation. Cartilage is a flexible connective tissue found in many parts of the body.

Multiple choice zoology musculo - skeleton system gait of animals basics of joints joints and type of joints skeleton, joints and muscles

The type of joint between sternum and the ribs in humans is__________________.

  1. Cartilagenous joint

  2. Fibrous joint

  3. Synovial joint

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Answer is option A i.e. "Cartilagenous joint"
The joint between the first rib and the sternum is cartilaginous. It is also called as sternocostal joint. These joints allow a very small amount of movement.
The bones of fibrous joints are joined by fibrous tissue, e.g.  sutures in the skull or the pelvis.  Fibrous joints allow no movement at all.
The bones of synovial joints meet in a joint capsule, e.g. the knee joint where the femur and tibia meet. These joints are the most common and most moveable joints in the human body.

Multiple choice zoology musculo - skeleton system gait of animals basics of joints joints and type of joints skeleton, joints and muscles

At which parts of our body can we bend?

  1. Knee

  2. Elbow

  3. Neck

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
The knee is one of the largest and most complex joints in the body. The knee joins the thigh bone (femur) to the shin bone (tibia). The smaller bone that runs alongside the tibia (fibula) and the kneecap (patella) are the other bones that make the knee joint.
The elbow joint is the synovial hinge joint between the humerus in the upper arm and the radius and ulna in the forearm which allows the hand to be moved towards and away from the body.
The neck is the part of the body that distinguishes the head from the torso or trunk.
Multiple choice zoology musculo - skeleton system gait of animals basics of joints joints and type of joints skeleton, joints and muscles

Which of the following is the most complex joint?

  1. Freely movable

  2. Immovable

  3. Partially movable

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Freely movable joints are the most complex of the joints. Freely movable joints come in different shapes and allow different movements. Six types of freely movable joints exist. The ball-and-socket joint, of which the shoulder is an example, has a ball-shaped head and allows the widest range of motion. The elbow is a hinge joint and is able to move in only one plane etc. Therefore, (a) is the correct answer. 

Multiple choice zoology musculo - skeleton system gait of animals basics of joints joints and type of joints skeleton, joints and muscles

Which joint joins the bones with a joint capsule? 

  1. Immovable joint

  2. Slightly movable joint

  3. Synovial joint

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A synovial joint joins bones with a fibrous joint capsule that is continuous with the periosteum of the joined bones, constitutes the outer boundary of a synovial cavity, and surrounds the bones' articulating surfaces. The synovial (or joint) cavity is filled with synovial fluid. They are the most common and most movable type of joint in the body of a mammal. 

Therefore, (c) is the correct answer.

Multiple choice zoology musculo - skeleton system gait of animals basics of joints joints and type of joints skeleton, joints and muscles

Joints showing almost no or little movement are known as _______________. 

  1. Immovable joints

  2. Freely movable

  3. Slightly movable

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An immovable joint is a place in the body where two bones are joined together but where little or no movement is normally possible and where no joint cavity exists. e.g. skull.