WorksheetsRecap - How much do I remember from Nerve I?
Total questions: 10
Worksheet time: 5mins
Which of the following is a correct pairing of zone-function of a neuron?
Conducting zone - Dendrites
Input zone - Axon terminal
Output zone - Receptors
Trigger zone - Axon hillock
Which of the following is an example of primary active transport?
K+ leak channels on neuronal membrane
Na+-glucose co-transporter on intestinal membrane
Na+-K+ ATPase on neuronal membrane
Aquaporin channels on kidney tubules
A motor neuron is usually a
Unipolar neuron
Bipolar neuron
Multipolar neuron
Pseudopolar neuron
An aggregation of neuron cell bodies in the peripheral nervous system is called
A nerve
A nerve fibre
A ganglion
A satellite
Which of the following glial cells is responsible for the formation of myelin sheath in neuron within the CNS?
Astrocytes
Ependymal cells
Oligodendrocytes
Schwann cells
Which of the following correctly represents the relative ionic concentration in the ICF vs ECF?
ICF [Cl-] < ECF [Cl-]
ICF [K+] < ECF [K+]
ICF [Mg2+] < ECF [Mg2+]
ICF [Na+] > ECF [Na+]
Which of the following determines the membrane potential?
Difference between the electrolyte concentration of ECF and ICF
High [K+] outside the cell
High [Ca2+] within the cell
Unequal distribution of (+) and (-) charges across membrane
Which of the following is the main factor generating the resting membrane potential of a neuron?
Presence of more K+ leak channels
Na+-K+ ATPase pumping out more Na+
Presence of more voltage-gated Na+ channels
Presence of negatively-charged proteins in ICF
Which of the following is the most common ionic basis of a hyperpolarising graded potential?
Influx of K+
Influx of Na+
Influx of Cl-
Efflux of Ca2+
State an example of a graded potential.
(a)
