Neural Control Pathways

Labelling

Drag and drop the labels to complete the diagram of blood glucose regulation.

What kind of feedback loop is this?

Drag labels to their correct position on the image

Liver breaks down glycogen

Pancreas releases glucagon

Pancreas releases insulin

Insulin enters blood

Cells take up glucose

Glucagon enters blood

Multiple Choice

Homeostasis in the human body is often maintained by a: 

• neutral feedback loop 
• solar feedback loop
• positive feedback loop
• negative feedback loop

Multiple Choice

Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop.

What kind of feedback loop is this?

• Positive Feedback Response
• Negative Feedback Loop 
• Neutral feedback loop

• Circular feedback loop

Multiple Choice

Mike is exercising and carbon dioxide is building up in his blood. This is detected by chemoreceptors in his blood vessels which send a message to the hypothalamus in the brain. This signals the heart rate and breathing rate to increase.

Identify the receptor.

• Hypothalamus

• Increase in carbon dioxide in the blood

• Chemoreceptors

• Increase in heart and breathing rate

Multiple Choice

In the stimulus-response model, recall which part performs the body's response.

• Control Centre

• Receptors

• Effectors

• Stimulus

• Response

Multiple Choice

What are the two types of cells found in the nervous system?

• Neurons and glial cells

• Sensory neurons and motor neurons

• Nerve cells and brain cells

• Afferent neurons and efferent neurons

Multiple Choice

Which best describes myelin?

• it is a neurotransmitter that triggers muscle contraction

• it is a protein that builds the axon

• it is a fat that speeds the message along the axon

• it is a fat that helps the neuron "hear" messages

Multiple Choice

What do motor/efferent neurons do?

• carry messages from the brain and spinal cord to muscles and glands

• carry impulses from the skin and sends to the spinal cord and brain

• carry impulses from sensory neurons to motor neurons

• store messages

Labelling

Label the neuron diagram

Drag labels to their correct position on the image

myelin sheath

Schwann cell

soma

node of Ranvier

ER

axon terminal

nucleus

dendrite

Dropdown

Use the following terms to fill in the blanks in each statement: Inside, Outside, Positively charged, Negatively charged



1. The sodium-potassium pump moves sodium to the ​

Select answer

of the cell.

2. The sodium-potassium pump moves potassium to the ​

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of the cell.

3. During a resting potential, the cell’s cytoplasm is ​

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relative to the outside of the cell.

4. At the peak of the action potential, the cell’s cytoplasm is ​

Select answer

relative to the outside of the cell.

Labelling

Drag the boxes to label the action potential diagram

Drag labels to their correct position on the image

threshold potential

repolarisation

hyperpolarisation

resting potential

depolarisation

Multiple Choice

When the membrane potential reaches +30mV, ________ channels open, ________ occurs, and ________ channels close.

• sodium, depolarization, potassium

• potassium, depoloarization, sodium

• sodium, repolarization, potassium

• postassium, repolarization, sodium

Labelling

Label the diagram of synaptic transmission

Drag labels to their correct position on the image

receptor

axon terminal

reuptake channel

vesicle

dendrite

neurotransmitter

synapse

Multiple Choice

What is the role of calcium ions during synaptic transmission?

• Generate action potentials

• Speed up the impulse transmission

• Depolarisation of the synaptic knob

• Trigger vesicles containing neurotransmitters to fuse with the presynaptic membrane

Multiple Choice

What generates a nerve impulse on the post-synaptic membrane? 

• Calcium binding with a receptor site
• Potassium leaking into the post-synaptic membrane 
• Neurotransmitter binding with receptor sites
• Neurotransmitter being removed from the synapse

Multiple Choice

After exocytosis into the synaptic cleft, neurotransmitters are:

• Degraded by enzymes

• Degraded by enzymes or taken up by the post-synaptic neuron

• Degraded by enzymes or taken up by the pre-synaptic neuron

• Transported into the blood and filtered by the kidneys