OMSA
Liberty University
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STUDY OMSA 2020 QUESTIONS AND ANSWERS ALREADY PASSED A+
- Exam (elaborations) • 12 pages • 2023
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Pathway of Blood Flow from Lungs Carrying Oxygen - CORRECT ANS Through the Pulmonic vein to the Left Atrium, through Mitral Valve, to the Left Ventrical , through the Aortic Valve to the Aorta. (P,LA,MV, LV,AV,A) 
Pathway of Blood flow Through the Heart - CORRECT ANS Superior and Inferior Vena Cava to Right Atrium, through Tricuspid Valve into Right Ventrical, past the Pulmonic Valve to the Pulmonary Artery 
How many Chambers does the heart have? What are the upper and the lower chambe...
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OMSA 2021 QUESTIONS AND ANSWERS ALREADY PASSED A+
- Exam (elaborations) • 16 pages • 2023
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Beta one controls the: - CORRECT ANS Heart 
the two systems that comprise the autonomic nervous system - CORRECT ANS parasympathetic and sympathetic 
the pathway of the blood flow through the heart - CORRECT ANS superior and inferior vena cava - right atrium - tricuspid valve - right ventricle - pulmonic valve - pulmonary artery - lungs- pulmonic vein - left atrium - mitrovalve - left ventricle - aortic valve - aorta - body 
insufficient blood flow through the coronary arteries ca...
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OMSA (EXAM #3) 2023 QUESTIONS AND ANSWERS ALREADY PASSED A+
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What is the most common anesthesia related complication in the OS office? - CORRECT ANS Airway obstruction 
What is the earliest change in vital signs following airway obstruction? - CORRECT ANS tachycardia with an increase in respiratory rate 
What is the most common cause of obstruction in the upper airway? - CORRECT ANS the tongue 
What is the best position of the patient's head and neck for airway maintenance? - CORRECT ANS neck slightly extended, mandible supported in a...
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OMSA (EXAM #2) 2023 QUESTIONS AND ANSWERS ALREADY PASSED A+
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Why do you pull back on the plunger of a local anesthetic before injecting? - CORRECT ANSWER Helps avoid injecting local anesthetic directly into a blood vessel 
Why are local anesthetics combined with vasoconstrictors? - CORRECT ANSWER To slow uptake and reduce toxicity, to increase duration, and decrease bleeding at surgical site 
What is the most common side effect of propofol (Diprivan)? - CORRECT ANSWER Decreases blood pressure 
What are two of the most common vasoconstrictor...
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OMSA (EXAM #1) 2023 QUESTIONS AND ANSWERS ALREADY PASSED A+
- Exam (elaborations) • 5 pages • 2023
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Deoxygenated blood flows from the right ventricle into: - CORRECT ANS the pulmonary artery 
Blood flow from the right side of the heart to the left side of the heart is called: - CORRECT ANS pulmonary circulation 
The heart contracts to pump blood during: - CORRECT ANS systole 
Blood flows from the heart through the body in the following order: - CORRECT ANS arteries, arterioles, capillaries, venues, veins 
AACVV 
Oxygen is carried in the blood primarily: - CORRECT ANS o...
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OMSA FALL 2018 PRACTICE TEST QUESTIONS AND ANSWERS ALREADY PASSED A+
- Exam (elaborations) • 13 pages • 2023
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A patient who is a 72 year old male presents for his implant surgery. He has a history of an MI 6 years ago with angioplasty and a stent. He tells you that he stopped his aspirin a week ago (not instructed by his physician but he just did that on his own). Before you start, he complains of a vague chest pain, almost like indigestion, but it is radiating to his left arm. He is also diaphoretic (sweating). Your diagnosis (what is causing it) for this patient is: - CORRECT ANS Angina, possibl...
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UPDATED 2024/2025 OMSA FINAL REVIEW QUESTIONS AND ANSWERS ALREADY PASSED A+
- Exam (elaborations) • 2 pages • 2023
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Your patient arrives for a 1:30 pm surgery and admits he had a sip of water at 1:00pm so he has been NPO for only 30 mins. You tell him: - CORRECT ANSWER its ok to proceed but we must wait 1.5 hours 
There are two main categories of local anesthesia used in dentistry. The most common category of local anesthetic used in oral surgery is an: - CORRECT ANSWER Amide 
You have a 68 yo male pt who has a history of HTN. He has a heart attack awhile back. When he had the heart attack he stat...
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OMSA MIDTERM 2 2023 QUESTIONS AND ANSWERS ALREADY PASSED A+
- Exam (elaborations) • 13 pages • 2023
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Overfitting - CORRECT ANS Number of factors is too close to or larger than number of data points -- fitting to both real effects and random effects. Comes from including too many variables! 
Ways to avoid overfitting - CORRECT ANS - Need number of factors to be same order of magnitude as the number of points 
- Need enough factors to get good fit from real effects and random effects 
Simplicity - CORRECT ANS Simple models are better than complex. When fewer factors exist, less dat...
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OMSA RECERTIFICATION PRACTICE TEST 2023 QUESTIONS AND ANSWERS ALREADY PASSED A+
- Exam (elaborations) • 3 pages • 2023
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1 day after surgery the pt reports an itchy red rash all over her body after taking Amoxicillin, your recommendation is: - CORRECT ANSWER Stop the amoxicillin and take over the counter benadryl 
A pt w/type 1 diabetes insulin dependent would typically be giving themselves insulin shots to control their blood glucose to control diabetes T or F - CORRECT ANSWER True 
compartment syndrome one can see increase pressure in forearm - CORRECT ANSWER This can be caused by venipuncture ...
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OMSA STUDY GUIDE 2023 QUESTIONS AND ANSWERS ALREADY PASSED A+
- Exam (elaborations) • 4 pages • 2023
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Regional - CORRECT ANS Types of anesthesia include, local, _________, and general. 
Minimal sedation - CORRECT ANS • Normal response to verbal stimulation 
• Airway, ventilation and cardiovascular 
function unaffected 
Moderate sedation - CORRECT ANS • Purposeful response to verbal or tactile 
stimulation 
• Able to maintain airway independently 
& continuously 
• Cardiovascular function usually 
maintained 
Deep sedation - CORRECT ANS • An induced state of depres...
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