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NHA Phlebotomy Exam with All 100 Questions and Answers 2023/2024 (Graded A+)
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NHA Phlebotomy Exam with All 100 Questions and Answers 2023/2024 (Graded A+) Which of the following structures begins the heartbeat by starting an electrical impulse in the right atrium? -ANSWER- Sinoatrial (SA) node Which of the following is the correct way a phlebotomist should introduce themse...
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