Nervous System Recap

Which of the following statements on the brain is the most correct?

• The parietal lobe is responsible for your sense of hearing and smell

• The brain and spinal cord make up the peripheral nervous system

• The frontal lobe is responsible for sight

• Interneurons in the brain are responsible for the near-instant responses of reflexes

A stimulus is:

• An organ in the body that senses changes

• A function your body does in response to a change in the external or internal environment

• Any detectable change in the internal or external environment

• An organ or structure in the body that brings about a response

While cooking, you touch a hot pan. Draw a stimulus response model to how you might react.

Jane has been diagnosed with 'Multiple Sclerosis', a disease that results in the degradation of myelin in neurons. Which of the following can be expected?

• Neurons without myelin will not be able to receive signals from another neuron.

• Neurons without myelin will carry the signals more efficiently.

• Neurons without myelin will not be effective in carrying out their signals.

• Neuron functioning will not be affected

The gap between neurons, where neurotransmitters are released, is known as:

• Axon terminal

• Synapse

• Dendrite

• Axon

Which of the following is found at the back of the eye and is responsible for detecting light?

• Optic nerve

• Photoreceptors

• Cornea

• Vitreous Humour

After experience a jump-scare, Peter's heart doubled to 140 beats per minute (bpm). Half an our later, Peter's heart rate returned to an average of 70bpm. Which of the following best explains this change:

• The sympathetic nervous system raised Peter's heart rate, the parasympathetic system lowered it

• The parasympathetic nervous system raised Peter's heart rate, the sympathetic system lowered it.

• The somatic nervous system raised Peter's heart rate, the autonomic system lowered it

• The autonomic system raised Peter's heart rate, the somatic system lowered it.

Which of the following would NOT be controlled by the autonomic nervous system?

• Expanding your lungs when you inhale

• Tapping your foot/nodding your head to a funky song

• The gag reflex (contractions at the back of the mouth to try and cough/vomit unwanted objects out)

• Pupils in the eye dilating (getting larger) in response to increased brightness

Which of the following is part of your central nervous system?

• The spinal cord

• Photoreceptors in your eyes

• Chemoreceptors in your nose

• Pain receptors under your skin

Label the four lobes of the brain