Retake Review For Dissection Test

What is a joint?

• A place where one bone meets 

• A place where  two  bones meet 

• Bones don't meet 

• A place where three bones meet 

Answer explanation

A joint is specifically defined as a place where two bones meet, allowing for movement and support. The correct choice highlights this definition accurately, while the other options either misrepresent or overstate the concept.

These contract and pull on the bones.

• Tendons

• Ligaments

• Marrow

• Muscles

Answer explanation

Muscles are responsible for contracting and pulling on bones, enabling movement. Tendons connect muscles to bones, while ligaments connect bones to other bones. Marrow is found inside bones and does not play a role in movement.

____________________ is shiny, white and allows bones to move without grinding against one another.

• cartilage

• fat

• bone

• muscle

Answer explanation

Cartilage is a shiny, white tissue that covers the ends of bones at joints, allowing them to move smoothly without grinding against each other. This property makes cartilage essential for joint function.

The ulna is ________________, but the radius can rotate.

• able to move freely

• fragile

• fixed in position

• long

Answer explanation

The ulna is fixed in position relative to the humerus, providing stability, while the radius can rotate around the ulna, allowing for movements like pronation and supination of the forearm.

________________ attach muscle to bone and allow for movement when muscles contract.

• ligaments

• skeletal muscle

• protein fibers

• tendons

Answer explanation

Tendons attach muscle to bone, enabling movement when muscles contract. Unlike ligaments, which connect bones to other bones, tendons specifically facilitate the action of muscles on the skeletal system.

The upper arm is formed by one long bone, the ______________________.

• humerus

• femur

• radius

• ulna

Answer explanation

The upper arm is formed by the humerus, which is the only long bone in that region. The femur is in the thigh, while the radius and ulna are located in the forearm.

Name the tissue type indicated by the black leader line (across the probe). *Note it connects muscle to bone

Answer explanation

The tissue type indicated by the black leader line is a tendon, which connects muscle to bone, facilitating movement and stability in the skeletal system.

Which organ is the largest in the

body cavity of the frog?

• liver

• gall bladder

• stomach

• lungs

Answer explanation

The liver is the largest organ in the frog's body cavity, playing a crucial role in metabolism and detoxification, unlike the gall bladder, stomach, and lungs, which are smaller and serve different functions.

Which organ, located under the liver, stores bile?

• kidney

• small intestine

• gall bladder

• spleen

Answer explanation

The gall bladder is the organ located under the liver that stores bile, which is produced by the liver and helps in digestion. The other options do not serve this function.

After the mouth which is the next site of digestion?

• small intestine

• large intestine

• spleen

• stomach

Answer explanation

After the mouth, food enters the stomach, where it is mixed with gastric juices for further digestion. The small intestine follows the stomach, but it is not the immediate next site.