# 1pilihan
What are the TWO major divisions of the nervous system?
Central NS and Peripheral NS
Sensory NS and Motor NS
Somatic NS and Autonomic NS
Involuntary NS and Voluntary NS
COORDINATION PART 1
MEOR SYAZLAN
Ikut Turutan
Universiti
Sains
COORDINATION PART 1
161
Universiti
Sains
COORDINATION PART 1
161
20 soalan
Larangan jawapan yang salah
Sembunyikan jawapan
public kuiz
# 2Jawapan pendek
The functional cell of nervous system is called
neuron
neurons
Neuron
Neurons
# 3Jawapan pendek
The resting membrane potential of axon's membrane is _____ mV
-70
- 70
# 4pilihan
Which of these components are important for Resting Membrane Potential?
sodium - potassium pump, pumps out 3 Na+ and pumps in 2K+
more K+ diffuse out than Na+ diffuse into the axon's membrane
voltage - gated ion channels remains close
large anions unable to leave axoplasm
# 5pilihan
Explain action potential (1)
More: Na+ : into : slightly depolarise : treshold : -55
Some : Na+ : into : slightly depolarise : treshold : -55
Some : Na+ : out of : slightly depolarise : treshold : +35
More: Na+ : out of : depolarise : treshold : +35
# 6pilihan
Explain action potential (2)
rising : more : Na+ : into : depolarised : +35 mV
rising : some: Na+ : into : depolarised : +35 mV
falling: more : K+ : into : depolarised : +30 mV
falling: more: K+ : out: repolarised : -70 mV
# 7pilihan
Explain action potential (3)
K+ : K+ : out of : depolarised : -70
Na+ : Na+ : out of : repolarised : -70
Na+ : Na+ : into : depolarised : -70
K+ : K+ : out of : repolarised : -70
# 8pilihan
Explain action potential (4)
more : Na+ : out of : hyperpolarised : below
some: Na+ : into : hyperpolarised : above
more : K+ : out of : hyperpolarised : below
more : K+ : into : hyperpolarised : above
# 9Jawapan pendek
The gap where one neuron communicate with another neuron, using neurotransmitter is called
synapse
Synapse
# 10pilihan
Explain synapse (1).
terminal : presynaptic : pre: depolarised : Ca2+ :
terminal: presynaptic : pre : depolarised : Na2+ :
terminal : postsynaptic : post : depolarised : Ca2+ :
terminal : presynaptic : post : repolarised : Ca2+ :
# 11pilihan
Explain synapse (2).
Ca2+ : vesicles : postsynaptic : neurotransmitter : exocytosis
Na+ : Cleft: presynaptic : neurotransmitter : endocytosis
Na+ : vesicles : postsynaptic : neurotransmitter : endocytosis
Ca2+ : vesicles : presynaptic : neurotransmitter : exocytosis
# 12pilihan
Explain synapse (3).
receptor : ion : post : Na+ : post : depolarisation
receptor : Na+: post : Na+ : post : depolarisation
receptor : ion: post : K+ : post : depolarisation
receptor : ion : post : Na+ : post : repolarisation
# 13pilihan
Explain synapse (4).
Excited : post : depolarization : post
Excited : post : repolarization : post
Excitatory : pre : depolarization : pre
Excitatory : post : depolarization : post
# 14pilihan
Explain synapse (5).
degraded : vesicles: into : pre : active
degraded : cleft : into : pre: passive
degraded : cleft : into : pre : active
produced : vesicles: into : pre : active
# 15pilihan
Which of these are the similarities of impulse along axon and at synapse?
Impulse are transmitted unidirectional
Impulse is chemically transmitted
Involves voltage – gated Ca2+ channel
Involves the depolarisation of the membrane.
# 16pilihan
Which of these are the characteristics of impulse generated along the axon, compared to synapse?
chemically transmitted
Impulse transmission is faster
Does not involve diffusion of Ca2+
Excitatory Postsynaptic Potential (EPSP) is not generated.
Does not involve receptor protein on ligand – gated ion channel
# 17Jawapan pendek
The plasma membrane of skeletal muscle cells is called
sarcolemma
Sarcolemma
# 18Jawapan pendek
The endoplasmic reticulum of skeletal muscle cells is called
sarcoplasmic reticulum
Sarcoplasmic reticulum
# 19Jawapan pendek
The cytoplasm of skeletal muscle cells is called
sarcoplasm
Sarcoplasm
# 20pilihan
Which of these are the similarities between synapse and neuromuscular junction?
Involves the depolarisation of the presynaptic membrane
Involve the opening of voltage – gated Ca2+ channel on postsynaptic membrane
Involve the fusion of synaptic vesicles with presynaptic membrane
Neurotransmitter is released into synaptic cleft.
Neurotransmitter binds to receptor of ligand – gated ion channel
Google Classroom Share