HAND AND ARM Anatomy Quiz

Which bone is located on the thumb side of the forearm?

• Radius

• Ulna

• Humerus

• Scaphoid

How many carpal bones form the wrist joint?

• 8

• 5

• 3

• 2

Which of the following is NOT a carpal bone?

• Metacarpal

• Scaphoid

• Lunate

• Hamate

What is the function of the flexor carpi radialis muscle?

• Flexes the wrist and bends it towards the thumb side

• Flexes the wrist and bends it towards the little finger side

• Extends the wrist and fingers

• Rotates the forearm

What is the function of the flexor digitorum profundus muscle?

• Bends the tips of the fingers

• Straightens the fingers

• Extends the wrist

• Bends the thumb

What is the main function of lymph capillaries in the arm and hand?

• Carry lymph fluid towards the chest

• Collect fluid from tissues

• Filter bacteria and waste

• Control movement and sensation

Which nerve controls movement and sensation on the back of the arm, hand, and thumb side?

• Ulnar nerve

• Radial nerve

• Median nerve

• Sciatic nerve

Explain how the lymphatic system supports the immune system and prevents swelling in the arm and hand. Use evidence from the main features of the lymphatic system described.

• By carrying oxygen to tissues and removing carbon dioxide

• By collecting fluid from tissues, carrying it towards the chest, and filtering bacteria and waste before returning fluid to the bloodstream

• By controlling movement and sensation in the hand

• By pumping blood through arteries and veins

What is the main function of the circulatory system?

• Blood supply and nutrient delivery

• Sensation and control

• Structure and movement

• Waste removal and immune support

Explain how the lymphatic system supports the body’s immune function and waste removal. Use evidence from the key parts and main function listed.

• The lymphatic system uses lymph vessels and nodes to remove waste and support immune function.

• The lymphatic system uses arteries and veins to deliver nutrients.

• The lymphatic system uses bones for structure and movement.

• The lymphatic system uses nerves for sensation and control.