
Understanding Heart Anatomy
Authored by Fista Utami
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Apa empat ruang utama jantung?
atrium kanan, ventrikel kanan, atrium kiri, ventrikel kiri
atrium atas, atrium bawah, ventrikel atas, ventrikel bawah
atrium kanan, ventrikel kanan, atrium kiri, ventrikel kiri
atrium kanan, ventrikel kiri, atrium kiri, ventrikel kanan
Answer explanation
The four main chambers of the heart are the right atrium, right ventricle, left atrium, and left ventricle. This choice correctly identifies all four chambers, while the other options contain inaccuracies or incorrect terminology.
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Jelaskan peran ventrikel dalam sistem peredaran darah.
Ventrikel memompa darah keluar dari jantung; ventrikel kanan ke paru-paru dan ventrikel kiri ke tubuh.
Ventrikel menyimpan darah sebelum dipompa keluar dari jantung.
Ventrikel bertanggung jawab untuk pertukaran oksigen dalam darah.
Ventrikel menerima darah dari tubuh dan paru-paru.
Answer explanation
The correct choice highlights that the ventricles are crucial for pumping blood: the right ventricle sends deoxygenated blood to the lungs for oxygenation, while the left ventricle pumps oxygenated blood to the rest of the body.
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Apa signifikansi septum di jantung?
Septum memungkinkan darah mengalir bebas antara ruang-ruang jantung.
Septum mencegah pencampuran darah yang teroksigenasi dan tidak teroksigenasi di jantung.
Septum mengatur laju dan ritme jantung.
Septum bertanggung jawab untuk memompa darah ke paru-paru.
Answer explanation
The septum is crucial as it separates the left and right sides of the heart, preventing the mixing of oxygenated blood from the left side with deoxygenated blood from the right side, ensuring efficient circulation.
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Apa tujuan dari katup jantung?
Tujuan dari katup jantung adalah untuk memastikan aliran darah satu arah dan mencegah aliran balik di dalam jantung.
Untuk mengatur detak jantung
Untuk meningkatkan tekanan darah di jantung
Untuk menyimpan darah kaya oksigen
Answer explanation
The heart valves play a crucial role in maintaining unidirectional blood flow, ensuring that blood moves forward through the heart chambers and preventing any backflow, which is essential for efficient circulation.
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Jelaskan peran arteri koroner.
Arteri koroner bertanggung jawab untuk memompa darah ke seluruh tubuh.
Arteri koroner memasok darah kaya oksigen ke otot jantung.
Arteri koroner menghubungkan jantung ke paru-paru untuk pertukaran oksigen.
Arteri koroner menghilangkan produk limbah dari otot jantung.
Answer explanation
Coronary arteries are crucial as they supply oxygen-rich blood to the heart muscle, ensuring it receives the necessary nutrients to function effectively. This distinguishes them from other vessels that serve different roles.
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Apa itu perikardium dan fungsinya?
Perikardium adalah kantung pelindung di sekitar jantung yang mengurangi gesekan dan mengikat jantung.
Perikardium adalah otot yang memompa darah ke seluruh tubuh.
Perikardium adalah lapisan lemak yang mengisolasi jantung.
Perikardium adalah jenis katup jantung yang mengatur aliran darah.
Answer explanation
The correct choice describes the pericardium as a protective sac around the heart, which serves to reduce friction during heartbeats and anchors the heart in place, ensuring its proper function.
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Apa peran dari nodus sinoatrial (SA) di dalam jantung?
Nodus SA bertindak sebagai pemacu alami jantung, memulai impuls listrik yang mengatur detak jantung.
Nodus SA bertanggung jawab untuk memompa darah ke paru-paru.
Nodus SA mencegah aliran balik darah di dalam jantung.
Nodus SA terlibat dalam pertukaran oksigen dan karbon dioksida dalam darah.
Answer explanation
The SA node is crucial as it serves as the heart's natural pacemaker, generating electrical impulses that control the heartbeat, unlike the other options which describe different heart functions.
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