Ahn 568 unit 1 - Study guides, Class notes & Summaries
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AHN 568 UNIT 1 EXAM 2024-2025
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AHN 568 UNIT 1 EXAM ...
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AHN 568 Unit 1 Questions and Answers 100% Pass
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Relative refractory periods - ️️occurs towards the end of the T-wave when most 
ventricular cells are repolarized and vulnerable to new stimuli; can lead to VT if PVC 
lands during this time 
Refractory = resistant 
Supraventricular Tachycardia (SVT) - ️️§ regular but fast rhythm 
§ rate 150-250 
§ P wave merged with T wave 
§ PRI variable & difficult to measure 
§ QRSà typically narrow 
§ Common causes: stimulants, electrolyte imbalance, hypoxia 
Sinoatrial Node (SA node) 
Rate? ...
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AHN 568 UNIT 1 WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST 2024 – 2025 ALREADY GRADED A+
- Exam (elaborations) • 30 pages • 2024
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AHN 568 UNIT 1 WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST 2024 – 2025 ALREADY GRADED A+
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AHN 568 Unit 1 Questions and Answers 2024/2025
- Exam (elaborations) • 33 pages • 2024
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Sinoatrial Node (SA node) 
Rate? 
Location & Area of intervention? 
EKG? 
 Natural pacemaker of the heart 
Rate: 60-100 bpm 
Location: Upper portion posterior portion of the Right Atrium near superior vena cava 
EKG: represented as the P wave 
Atrioventricular node (AV node) 
Rate? 
Location? 
 A specialized mass of conducting cells located at the atrioventricular junction in the 
heart. (back-up pacer of the heart 
Rate 40-60 bpm 
Location: Near the tricuspid valve 
Bundle of HIS 
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AHN 568 Unit 1, Exam Questions and answers. Verified.
- Exam (elaborations) • 2 pages • 2023
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AHN 568 Unit 1, Exam Questions and answers. Verified. 
 
 
Neural tube defects r/t - -Alpha fetal protein (AFP) 
 
Turner syndrome: Males or females? - -Females 
 
Most common inherited intellectual disability - -Fragile X 
 
AFP Screening (Done as part of quad screen).. When and for what? - -16-21 weeks to check for spina bifida and anencephaly and some other chromosomal abnormalities 
 
Aniridia - -Bilateral eye disorder that results in the absence of the majority of the iris. 
 
Optic neuriti...
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ALL AHN 568 /AHN568 PACKAGED EXAMS WITH QUESTIONS AND 100% VERIFIED ANSWERS
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ALL AHN 568 /AHN568 PACKAGED EXAMS WITH QUESTIONS AND 100% VERIFIED ANSWERS...
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