
TA MODUL 10 (VERSI 1)
Authored by Ibes Ibes
Computers
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan kompleks QRS pada sinyal ECG?
Gelombang yang merepresentasikan kontraksi atrium
Gelombang yang merepresentasikan depolarisasi ventrikel
Gelombang yang merepresentasikan repolarisasi ventrikel
Gelombang yang merepresentasikan denyut jantung
Answer explanation
Kompleks QRS merepresentasikan depolarisasi ventrikel pada siklus jantung.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan kode berikut untuk membaca sinyal ECG:
```
import wfdb
record = wfdb.rdsamp('____')
```
Format ID yang tepat untuk data MIT-BIH adalah:
ECG1
100
signal
data
Answer explanation
MIT-BIH database menggunakan format numerik untuk ID rekaman.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan kode berikut:
```
from scipy.signal import ____
peaks, = findpeaks(filtered_signal, distance=fs*0.6)
```
Function apa yang digunakan untuk deteksi puncak?
detect_peaks
find_peaks
peak_detection
get_peaks
Answer explanation
find_peaks adalah fungsi scipy untuk deteksi puncak sinyal.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana cara menghitung Heart Rate Variability (HRV)?
```
hrv = ____ / rr_intervals
```
30
45
60
100
Answer explanation
HRV dihitung dalam beats per minute (60 detik).
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dihitung oleh interval RR?
Jarak antara dua gelombang P
Jarak antara dua puncak R
Jarak antara gelombang Q dan S
Jarak antara dua gelombang T
Answer explanation
Interval RR adalah waktu antara dua puncak R berurutan.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Komponen apa yang TIDAK ada dalam sinyal ECG normal?
Gelombang P
Kompleks QRS
Gelombang D
Gelombang T
Answer explanation
Tidak ada gelombang D dalam sinyal ECG normal.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan kode berikut:
```
plt.plot(filtered_signal[:3000])
plt.plot(peaks, filtered_signal[peaks], "x")
```
Apa tujuan dari kode tersebut?
Menampilkan sinyal mentah
Menandai puncak R pada plot
Menghitung interval RR
Menampilkan spektrum frekuensi
Answer explanation
Kode tersebut memplot sinyal dan menandai lokasi puncak R.
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