and CORRECT Answers
Heart and peripheral vascular system functions - CORRECT ANSWER - provide oxygen,
nutrients, and hormones to cells, remove carbon dioxide and waste from cells, and maintain body
temperature
How is Homan's sign checked - CORRECT ANSWER - flex knee of affected leg, and
forcibly and abruptly dorsiflex patient's ankle. Observe if patient reports pain in calf. Pain means
a positive sign, and doctor needs to be notified.
Pericardium - CORRECT ANSWER - protective sac around the heart
Four valves - CORRECT ANSWER - tricuspid, bicuspid(mitral), pulmonic, and aortic
Which pathogen commonly attack the mitral valve - CORRECT ANSWER - strep
Blood enters the heart through - CORRECT ANSWER - veins
Blood leaves the heart through - CORRECT ANSWER - arteries (away)
Inferior vena cava - CORRECT ANSWER - comes up from liver
Blood returns to the left atrium through the - CORRECT ANSWER - pulmonary veins
When the left ventricle contracts - CORRECT ANSWER - blood is forced through the
aortic valve into the aorta
,Blood return to the right atrium from the - CORRECT ANSWER - liver through the
inferior and superior vena cave
In cardiac overload the blood backs up into - CORRECT ANSWER - veins
Coronary arteries - CORRECT ANSWER - supply nutrients and oxygen to the heart
muscle tissue
Widow maker - CORRECT ANSWER - left coronary artery
Conduction system - CORRECT ANSWER - controls the heart beat
Capillaries - CORRECT ANSWER - allow the exchange of oxygen, nutrients, carbon
dioxide, and waste products between the tissues of the body and blood
Trans fat - CORRECT ANSWER - coats the vessels making them rigid and not flexible
Diaphoresis - CORRECT ANSWER - excess sweating
Cardiac symptoms - CORRECT ANSWER - chest pain, dyspnea, edema, fainting,
palpitations, diaphoresis, fatigue, cyanosis, poor skin tugor, distended neck veins(JVD), poor
quality respirations, coughing, heart sounds, ascites, edema, skin temperature, pulses, capillary
refill, and homan's sign
Common diagnostic tests for heart - CORRECT ANSWER - ABG, CBC, hemoglobin,
hematocrit, culture and sensitivity
When would you do a culture and sensitivity test? - CORRECT ANSWER - to figure out
what microorganism is causing infection and treat it correctly
, Electrolytes - CORRECT ANSWER - sodium, potassium, chloride, magnesium
Cardiac biomarkers - CORRECT ANSWER - Troponin I and T, CK, CK-MB, myoglobin
Sympathetic dominance - CORRECT ANSWER - chronic fight or flight, chronic stress
How does sympathetic dominance relate to perfusion - CORRECT ANSWER - the body
can't rest, or repair
What can nurse do to teach our clients to get out of sympathetic dominance - CORRECT
ANSWER - healthy lifestyle, stress, and diet management
components of a healthy lifestyle (SNAP) - CORRECT ANSWER - smoking, (any type of
air pollution), nutrition, alcohol, physical activity, stress management
How to prevent hypertension - CORRECT ANSWER - lifestyle changes: diet, stress,
smoking, physical activity
Dysrhythmias - CORRECT ANSWER - irregularity in rate, rhythm, or conduction of
electrical system of heart
Sinoatrial (SA) node - CORRECT ANSWER - natural pacemaker of the heart, wave
causes atria to contract
Purkinji fibers - CORRECT ANSWER - tiny, part of AV bundle, cause ventricles to
contract
Bradycardia - CORRECT ANSWER - heart rate of 60 beats or less, treatment: atropine or
pacemaker