pengantaran impuls pada sinapsis

Interactive Video
•
Biology
•
12th Grade
•
Hard
DIYAH MARLINA
FREE Resource
4 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Pada sinapsis kimia, bagaimana mekanisme penghantaran impuls saraf dari satu neuron ke neuron berikutnya?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika terjadi gangguan pada proses reuptake neurotransmiter di sinaps, apa kemungkinan dampak yang terjadi pada penghantaran impuls saraf?
Impuls berhenti total
Impuls berjalan lebih lambat
Neurotransmiter menumpuk di celah sinaps dan dapat menyebabkan stimulasi berlebihan
Tidak ada pengaruh
Sinaps berubah menjadi sinaps listrik
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika sebuah obat memblokir reseptor neurotransmiter pada neuron postsinaptik, apa akibat yang paling mungkin terjadi?
Impuls saraf akan diteruskan lebih cepat
Tidak terjadi penghantaran impuls ke neuron berikutnya
Sinaps akan berubah menjadi sinaps listrik
Jumlah neurotransmiter meningkat drastis
Impuls saraf berjalan dua arah
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam proses penghantaran impuls di sinaps, peran utama ion kalsium (Ca²⁺) adalah...
Menstabilkan membran neuron
Mengaktifkan enzim penghancur neurotransmiter
Memicu pelepasan neurotransmiter ke celah sinaps
Menghambat penghantaran impuls
Membantu reuptake neurotransmiter
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