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...
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.-
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
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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