QUESTION REVISION TERM 2 BIO 9ADV

Which part of a neuron “receives impulses from other neurons and conducts them to the cell body”?

• Myelin Sheath

• Axon

• Dendrites

• Axon ending

In the below picture ,which letter of the following refers to the structure that helps to control the rate of breathing?

• Hypothalamus

• Cerebrum

• Cerebellum

• Medulla oblongata

Impulse conduction is fastest in neurons that are:

• unmyelinated

• sensory

• myelinated

• none of the above

If there is an injury in the hypothalamus region of the brain, it is most likely to affect

• decision making

• regulation of body temperature

• co-ordination during locomotion

• balance and posture

Which ions are involved in the electrical nerve impulse?

• iodine and calcium ions

• iron and phosphorus ions

• iron and sodium ions

• sodium and potassium ions

The spinal cord is a part of a major division of the nervous system called --------- nervous system

• somatic

• central

• peripheral

• autonomic

A kidney disorder called is due to inflammation of glomeruli

• kidney cancer

• polycystic kidney

• Kidney stone

• nephritis

A neurotransmitter found in the brain that is involved with the control of body movement and feelings of pleasure or reward

• Dopamine

• Adenosine

• Stimulant

• Depressant

Which of the following numbers represents the cochlea in the below picture ?

• 1

• 2

• 3

• 4

What primary function do these structures have?

• enables external respiration

• filters waste and water from body

• allows water from air to be absorbed in body

• produces blood cells