SEHS Revision SL and HL questions (1)

What's the name of the area connecting a neuron and a muscle or the area connecting different neurons..

• Motor end plate

• The synapse

• The axon

• The Dendrite

What is the structure labelled X in the motor unit below?

• Axon

• Synapse

• Muscle

• Motor end plate

Which movement occurs at the pivot joint?

• Flexion

• Extension

• Rotation

• Circumduction

Which movement occurs at the pivot joint?

• Flexion

• Extension

• Rotation

• Circumduction

Which muscle contraction occurs in the rectus femoris during the downward phase of a squat, moving from position 1 to position 2?

• Eccentric

• Concentric

• Isometric

• Isokinetic

Which bone is part of the appendicular skeleton?

• Skull

• Vertebral column

• Humerus

• Sternum

What best describes synovial joints?

• They permit no movement.

• They are freely moveable.

• They are tightly connected by cartilage.

• They permit only slight movement.

What is the name of the skeletal muscle indicated by X?

• Pectoralis

• Trapezius

• Iliopsoas

• Deltoid

What is a basic function of the interior structure of the nose during respiration?

• To provide a passageway for food

• To create friction during breathing

• To warm and moisten incoming air

• To prevent the lungs from collapsing

Which is an example of a blood cell?

I. Leucocyte

II. Platelet

III. Plasma

• I only

• I and II only

• II and III only

• I, II and III