1) Diagram shows the transmission pathway. Which of the following are represented by X and Y? a) X- Brain, Y-Relay neuron b) X- Brain, Motor neuron c) X- Relay neuron, Y- Brain d) X- Motor neuron Y- Brain 2) Which of the following matches the receptor and its stimuli correctly? a) Baroreceptor- Change in pressure b) Nociceptor- Touch and pressure c) Chemoreceptor - Light d) Photoreceptor- Change in temperature 3) Diagram shows the structure of human brain. Which of the parts labelled A,B,C and D controls the body balance? a) A b) B c) C d) D 4) Diagram shows the cross-section of a spinal cord. What is X? a) Ventral root b) Dorsal root c) Grey matter d) White matter 5) Diagram shows a type of neuron. Which of the following is the type of neuron? a) Neurotransmitter b) Motor neuron c) Relay neuron d) Sensory neuron 6) Diagram shows the structure of a motor neuron. Which of the following parts labelled A, B, C and D transmits nerve impulses away from the cell body? a) A b) B c) C d) D 7) There is a layer of fatty substance which covers a nerve fibre. This fatty layer acts as an insulator and increases the speed of transmission of impulses. What is this fatty layer known as ? a) Cell body b) Axon c) Node of Ranvier d) Myelin sheath 8) Diagram shows a synaptic knob. which of the following is structure U and its function? a) Synaptic vessel- secretes the neurotransmitter b) Synaptic vesicle- Conducts impulses to the end of the synaptic knob c) Mitochondrion- Produces energy to conduct impulses across the impulse d) Mitochondrion- Transmits the impulse to the body 9) Diagram shows the transmission of the nerve impulse through a synaptic vesicle. Which of the following is substance X? a) Neurotransmitter b) Antibody c) Hormone d) Enzyme 10) Diagram shows a specialised cell. The cell is ________________________ a) White blood cell b) Relay neuron c) Motor neuron d) Sensory neuron

Nervous system

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