
quiz fisiologi blok 3.1
Quiz
•
Science
•
University
•
Practice Problem
•
Hard
diannataliamagdalenadachi 24000054
FREE Resource
71 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sistem saraf berperan penting dalam menjaga homeostasis tubuh. Mekanisme ini dapat digambarkan melalui contoh berikut, kecuali:
Aktivasi kelenjar keringat saat suhu tubuh meningkat
Peningkatan frekuensi napas saat aktivitas berat
Terhambatnya pelepasan neurotransmiter saat stres
Vasodilatasi kulit untuk menurunkan panas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sistem saraf pusat bertanggung jawab terhadap fungsi berikut, kecuali:
Integrasi informasi sensorik
Koordinasi respon motorik
Deteksi langsung rangsangan eksternal
Penyimpanan memori
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu ciri khas impuls saraf adalah prinsip “all or none”. Maknanya adalah:
Besarnya impuls bergantung pada intensitas rangsangan
Bila stimulus mencapai ambang, impuls akan dihasilkan penuh
Semakin besar stimulus, semakin cepat impuls
Impuls akan dihasilkan hanya pada sinaps motorik
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Neuron motorik termasuk jenis neuron:
Aferen
Eferen
Interneuron
Bipolar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sistem penghantaran impuls listrik dalam neuron terutama bergantung pada:
Difusi pasif ion Na+ ke luar sel
Potensial aksi akibat pergerakan ion Na+ dan K+
Sekresi neurotransmiter oleh dendrit
Aktivitas pompa Cl- dan H+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peran utama sel glia yang membedakannya dengan neuron adalah:
Menghasilkan impuls listrik
Menyokong dan melindungi neuron
Membentuk badan Nissl
Mengatur sinaps kimia secara langsung
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kerusakan sel Schwann akan menyebabkan:
Hambatan konduksi impuls pada sistem saraf pusat
Penurunan kecepatan hantaran impuls di saraf perifer
Perubahan aktivitas neurotransmiter pada otak
Gangguan refleks monosaptik sumsum tulang belakang
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