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OMSA Exam Questions With 100% Verified Answers. The heart is divided into how many chambers - answer4 chambers: 2 atria and 2 ventricles Insufficient blood flow through the coronary arteries can result in: - answerAngina Beta one controls the - answerHeart Name the two systems that comprise th...

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  • October 2, 2024
  • 21
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • omsa exam questions with 100 verified answers

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OMSA Exam Questions With 100% Verified
Answers.


The heart is divided into how many chambers - answer✔4 chambers: 2 atria and 2 ventricles

Insufficient blood flow through the coronary arteries can result in: - answer✔Angina

Beta one controls the - answer✔Heart

Name the two systems that comprise the autonomic nervous system: - answer✔Parasympathetic
and Sympathetic

Stimulation of the Vagus nerve will __________ the heart rate - answer✔decrease

Another name for the Parasympathetic nervous system is: - answer✔Cholinergic

Another name for the Sympathetic nervous system is: - answer✔Adrenergic

What sound does the heart make? What causes this sound? - answer✔Lub-dub; The sound is
caused by the closing of the valves. The lub is the tricuspid and mitral valves closing, the dub is
the pulmonic and aortic valves closing.

Name the four valves in the heart - answer✔1) Aortic
2) Pulmonary
3) Bicuspid
4)Bicuspid (aka mitral valve)

Where is the mitral valve located? - answer✔between left atrium and left ventricle

Where is the tricuspid valve located? - answer✔between right atrium and right ventricle

What is the purpose of valves in the heart? - answer✔To prevent back-flow of blood

Trace the pathway of the conduction system through the heart. - answer✔SA (Sinoatrial/Sinus)
node to the AV (atrioventricular) node, to the Bundle of His to the Bundle Branches, to the
Purkinjie Fibers. -SA AV Bundle of junkies.-

, ©BRAINBARTER 2024/2025


Trace the pathway of blood through the heart. - answer✔-superior/inferior vena cava
-right atrium
-tricuspid valve
-right ventricle
-pulmonic valve
-pulmonary artery
-lung
-capillaries
-pulmonic vein
-left atrium
-mitral valve
-left ventricle
-aortic valve
-aorta
Which pt needs antibiotic premedication?
-A 28 yr old with a repaired atrial septal defect which was repaired at birth
-A 70 yr old with a prosthetic heart valve
-A 67 yr old with a previous history of an MI

-A 20 yr old who reports a childhood heart murmur - answer✔-A 70 year old with a prosthetic
heart valve

What is the difference between angina and an MI? - answer✔Angina is chest pain due to
inadequate oxygenation while an MI means death of the actual heart muscle (necrosis).

Left sided heart failure often leads to: - answer✔right sided heart failure

mnemonic for an MI - answer✔MONA/FONA

MONA stands for: - answer✔Morphine
Oxygen
Nitroglycerin

, ©BRAINBARTER 2024/2025


Aspirin

FONA stands for: - answer✔Fentanyl
Oxygen
Nitroglycerin
Aspirin

What causes a heart murmur? - answer✔turbulent blood flow across the valves of the heart

Right sided heart failure symptoms - answer✔-Ascites
-Pitting edema

Left sided heart failure symptoms - answer✔-Orthopnea
-Paroxysmal nocturnal dyspnea
-Shortness of breath
-Pulmonary edema

Necrosis means: - answer✔Death of tissue or bone

The first heart sound is caused by: - answer✔the tricuspid and mitral valves closing

What medication is used in the treatment of angina? - answer✔nitroglycerin

What do beta blockers do? - answer✔decrease BP and HR

The two kinds of heart failure: - answer✔Left and right

What does ischemia mean? - answer✔inadequate blood supply

The mnemonic for diagnosing a stroke is: - answer✔FAST

FAST stands for: - answer✔Face, Arm, Speech, Time
Does a pt with a history of CABG (coronary artery bypass grafting) need to premed with
antibiotics? - answer✔No.

Symptoms of severe hypotension: - answer✔-dizziness
-orthostatic hypotension (postural hypotension)
-syncope

Tx for a hypertensive crisis includes: - answer✔Beta blockers and a vasodilator

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