Question 1
The concentration of nervous cells in the head region is called .
Correct!
cephalization
Question 2
The central nervous system consists of brain, spinal cord and glands.
Correct!
- True
- Selected: False
Question 3
The division of nervous system promote all responses associated with a relaxed state.
Correct!
parasympathetic
Question 4
The somatic nervous system is responsible for controlling .
Correct!
- pupil dilation
- intestinal peristalsis
- cardiac muscle contraction
- Selected: Skeletal muscle movement
Question 5
The primate has a trichromatic vision with peak sensitivity to the following colour spectrums EXCEPT?
Correct!
- Red
- Blue
- Green
- Selected: Ultra Violet
Question 6
The foveal region in human eye consists of tightly packed cone shape photoreceptors that enables these visual capacities EXCEPT?
Correct!
- Colour perception
- High visual acuity
- Selected: Good scotopic vision
- Good at tracking movement
Question 7
The hair cells that enable fish to detect vibration with their lateral line is a type of .
Correct!
- nociceptor
- chemoreceptor
- Selected: mechanoreceptor
- electromagnetic receptor
Question 8
A chemoreceptor that detect chemical in gaseous state is categorized as olfactory receptor.
Correct!
- Selected: True
- False
Question 9
The Pit viper can detect body heat emitted by its prey with an infrared receptor located within the eye.
Correct!
- True
- Selected: False
Question 10
The branched projection on neuron cell that receives stimulus from either sensory receptor or another neuron is called .
Correct!
interneuron
Question 11
The potential difference that exist between intracellular and extracellular regions of an axon due to disproportionate ion distribution is called a potential.
Correct!
membrane
Question 12
An action potential occurs in all-or-none manner depending on whether the depolarization caused by a stimulus exceeds the level.
Correct!
threshold
Question 13
During the repolarization stage of an action potential, _.
Correct!
- Selected: the sodium gated Ion channel opens
- the membrane potential changes from -65 mV to +40 mV
- potassium ions exit the axonal membrane into extracellular fluid
- sodium-potassium pump restore the ion distribution inside neuron cells
Question 14
The action potential travels faster in axon via a condition known as saltatory conduction.
Correct!
myelinated
Question 15
Transmission of nerve impulse between adjacent neurons may only occur via electrical stimulation.
Correct!
- True
- Selected: False
Result:
15/15
