RETEST - Biology 5

Which structures are part of the appendicular skeleton?

• The skull (cranium)    

• The upper arm (humerus)       

• The spine (vertebral column)

•  The ribcage (thoracic cage)

This event occurs during muscular contraction

I. H-zone disappears

II. A band widens

III. I band shortens

IV. Width of A band is unaffected

V. M line and Z line get closer

•  I, II and III       

• I, III, IV and V  

•  II, IV and V     

•  I, II and V

The muscles that you cannot control that make up the myocardium of the heart are called ____________ muscles

• smooth muscles

• skeletal muscle

• cardiac muscle

• ciliary muscle

Which of the following types of joints are correctly matched?

I Hinge joint – between vertebrae

II Gliding joint – wrist joint

III Ball and socket joint – shoulder and hips joint

IV Pivot joint – radio - ulnar joint

• I, II

• II, III, IV

• I, II, IV

• III

What is the basic functional unit of skeletal muscle tissue?

• the muscle fibre

• the sarcomere

• the myofibril

• the sarcoplasmic reticulum

A band of tough, inelastic fibrous tissue that connects a muscle with its bony attachment:

• Tendon

• 
  Extensor

•  

  Flexor

• 
  Smooth

Muscles that extend or straighten a body part:

• Extensor

•  

  Flexor

•  

  Tendon

•  

  Smooth

Which part of the skeleton protects the lungs?

• The Femur

• The Ribcage

• The Skull

• The Humerus

Which two muscles are in your upper arm?

• Biceps and triceps

• 
  Biceps and hamstrings

• 
  Hamstrings and quadriceps

Which of the following is connected by the ligaments?

• Cartilage to the bone

• Muscle to the bone

• Bone to the Bone

• Tendons to the muscles