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Test your basic knowledge |
Cardiology
Start Test
Study First
Subject
:
health-sciences
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Do you see elevaged ASO titers in rheumatic heart disease
Yes
Preload
Troponin I
Atrial contraction
2. What causes aortic regurg
Aortic dilation - bicuspid aortic valve - RF -
Afterload (proportional to peripheral resistance)
Vasodilators
2nd degree AV block - mobitz type 1
3. When does extracellular calcium enter the cardiac muscle cells during contraction?
Myxoma
During diastole
The plateau period
Tricuspid - don't tri drugs - S. aureus - pseudomonas - candida
4. Most common vasculitis affecting medium and large arteries
Arrhythmia - LV failure and pulm edema - cardiogenic shock - free wall rupture - aneurysm - postinfarcation fibrinous pericarditis - dressler's
Temporal arteritis
Late systolic crescendo murmur with a midsystolic click
3rd degree syphillus - syphillit heart disease can lead to aortic valve incompetence
5. What are the different etiologies of dialted cardiomyopathy
Inc TPR and LA return (expiration)
EtOh - wet Beriberi - Coxsackie B - cocaine - chagas - doxorubicin - hemochromatosis - peripartum cardiomyopathy
Failure of LV to in CO during exercise
Granuloma with giant cells
6. thrombosis w/o necrosis - ST elevation - worsening chest pain at rest or with minimal exertion
Unstable/crescendo angina
Pos inotropy - exercise
Endothelial cell dysfxn - mac and LDL accum - foam cell - fatty streaks - smooth muscle cell migration - fibrous plaque - comlex atheromas
During diastole
7. moncekberg
Holosystoiic
LAD - V1 - V4
QRS complex
Calcification in media of arteries esp radial and ulnar - does not obstruct blood flow - intima not involved
8. When during cardiac nodal cells depolarize?
During diastole
PDA
Sensironeural deafness - defects in sodium and potassium channels - jervell and lange - neilsen syndrome
Atherosclerosis
9. What is the association with wide S2 splitting?
Unstable/crescendo angina
Atherosclerosis
Pulmonic stenosis and RBBB
Increased efferent SANS and decreased efferent PANS
10. retrosternal chest main with exertion - ST depression on ECG - likely due atherosclerosis
Kidney
Strawberry hemangioma
Stable angina
Glossopharyngeal to soliary nucleus of medulla
11. How does angiotensin II raise MAP
Left heart failure
R to L shunt caused by stenoic pulmonic valve
5-10 days - macs have degraded structural components
Vasocxn
12. serum marker for wegener's
Extracellular calcium - calcium induced calcium release
Slow conduction velocity - used by AV node prolongs transmission from atria to ventrical
C - ANCA
Dec P02 - inc PC02 and dec pH
13. Which murmur is heard with VSD?
Holosystolic - harsh sounding murmur - loudest over tricuspid area
Eisenmenger's syndrome
In RA return (inspiration)
RF
14. Wegener's presentation
Ventricular repolarization
Hemoptysis - hematuria - perforation of nasal septum - chronic sinusitis - otitis media - mastoiditis - cough dyspnea
Stable angina
Aneurysms - ischemia - infarcts - peripheral vasc dz - thromboemboli
15. What causes the CO curve to shift downwards?
Mitral>aortic>>tricuspid - high pressure valves affected most
Aortic disecction - intraluminal tear forming false lumen
Neg inotropy - HF - narcotic overdose
10%
16. Which area of the endocardium is especially vulnerable to infarction? Why?
Group a beta hemolytic strep
Subendocardial - fewer collaterals and higher pressure
Inc venous return exaccerbates pulm vasc congestion
Left heart failure
17. lymphatic malignancy associated with persistant lymphadema - post radical mastectomy
Lymphangiosarcoma
Volatage gated Ca channels
2nd degree AV block - mobitz type 2 - may progess to 3rd degree block
Angiosarcoma
18. disruption of the vasa vasorum of aorta - dilation of aorta and valve ring - tree bark appearance (calcifications on aortic root)
3rd degree syphillus - syphillit heart disease can lead to aortic valve incompetence
Sensironeural deafness - defects in sodium and potassium channels - jervell and lange - neilsen syndrome
Turners
Inc venous return exaccerbates pulm vasc congestion
19. friction rub - 3-5 days post MI
Atrial contraction
Group a beta hemolytic strep
Postinfarction fibrinous pericarditis
Crescendo - decrescendo systolic ejection murmur following ejection click
20. What murmur is heard with aortic regurg?
In HF
Immediate high pitched blowing diasystolic murmur with a wide pulse pressure
Arrhythmia - LV failure and pulm edema - cardiogenic shock - free wall rupture - aneurysm - postinfarcation fibrinous pericarditis - dressler's
Ventricular repolarization
21. Which class of drugs decrease preload
Venodilators (nitrogylcerine)
Early deaths from myocarditis
Decrease in activity of Na/Ca exhanger and increase in contractility
Kids
22. L to R shunt becomes R to L due to increase pulm pressures from original congenital heart defect
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23. What channels do the the pacemaker cells lack?
Coarcation of aorta
2nd degree AV block - mobitz type 2 - may progess to 3rd degree block
Rapid upstroke - voltage gated Na channels open
Fast volatge gated Na channels
24. What happens in phase 2 of the cardiac ventricular action potential?
Lower right - MC - upper right - AO - upper right AC - lower left MO
1st degree AV blodck
Plateau - influx of calcium through voltage gated ca channels - ca release from SR and contraction
Sarcoid - amyloid - postradiation fibrosis - endocardial fibroelastosis - Loffler - hemochromatosis
25. In an anterolateral infarct - which artery is effected and which leads show Q waves
Inc Kf - capillary perm
Fick principle
LCX - V4- V6
Kussmaul's sign - cardiac tamponade - pulsus paradoxus
26. In an anteroseptal infarct - which artery is effected - and which leads show Q waves?
Tetrology of fallot - pulmonary stenosis - RVH - overiding aorta - VSD
LAD - V1- V2
Inc central venous pressure - inc resistance to portal flow
Non
27. How does digitatlis increase contractility?
Torsades de pointes
Increase in Pc
SA and AV nodes
Increase intracellular Na - resulting in increased Ca
28. what conditions are associated with pulsus paradoxus
Pulmonic stenosis and RBBB
Cardiac tamponade - asthma - obstructive sleep apnea - pericarditis and croup
EKG
Slow conduction velocity - used by AV node prolongs transmission from atria to ventrical
29. Right to left shunts are more common in babies or kids?
Tricuspid - don't tri drugs - S. aureus - pseudomonas - candida
3rd degree syphillus - syphillit heart disease can lead to aortic valve incompetence
Atrial contraction
Babies
30. What other sign is often present with congenital long QT syndrome - why?
Sensironeural deafness - defects in sodium and potassium channels - jervell and lange - neilsen syndrome
Late diastolic murmur following an opening snap
Gap junctions
P02
31. In an EKG - What is the p wave?
RF
Atrial contraction
Decreased
Sarcoid - amyloid - postradiation fibrosis - endocardial fibroelastosis - Loffler - hemochromatosis
32. What is the S1 sound?
Conduction delay through AV node - nl < 200 msec
Mitral and tricuspid closure
Ventricles are depolarized
Inc venous return exaccerbates pulm vasc congestion
33. What causes the murmur heard in tricuspid regurg to enhance
Inc ICP - cerebral ischemia - inc SANS tone (HTN) and reflex bradycardia
In RA return (inspiration)
Inc TPR and LA return (expiration)
S. epidermidis
34. Wegener's tx
Raynaud's
EKG
Cyclophosphamide and corticosteroids
Rapid upstroke - voltage gated Na channels open
35. PROVe
Tetrology of fallot - pulmonary stenosis - RVH - overiding aorta - VSD
RCA
Slow conduction velocity - used by AV node prolongs transmission from atria to ventrical
Changes in CO as a function of preload
36. What is the definition of HTN?
Cardiac tamponde
140/90
Pulmonic stenosis and RBBB
Troponin I
37. Which organ gets the largest share of systemic cardiac output
Pos inotropy - exercise
Liver
Proportional to viscosity and inversely proportional to the radius to the 4th power
Troponin I
38. most common primary cardiac tumor in adults - ball - valve obstruction in left atrium
Babies
Calcification in media of arteries esp radial and ulnar - does not obstruct blood flow - intima not involved
Myxoma
Total anomalous pulmonary trunk venous return
39. Which bacteria causes endocarditis in the presence of colon cancer
The operating point of the heart
ASD
S. bovis
Fever - Arthritis - Night sweats - Myalgia - SKIN nodules - Ocular disturbances - Weak pulses in upper extremities
40. What can cause mitral prolapse?
Atrial contraction
Unstable/crescendo angina
Neg inotropy - HF - narcotic overdose
Myxomatous degeneration - RF - chordae rupture
41. Which murmur do you hear in mitral stenosis?
QRS complex
Abdominal aorta>coronary artery>popliteal artery>carotid artery ACoPCa
Late diastolic murmur following an opening snap
Eisenmenger's syndrome
42. When do coronary arteries fill?
Wegener's
Cardiac tamponde
Sturge weber - vasculitis of caps
During diastole
43. 2/3 diastolic + 1/3 systolic
MAP
Viridans streptococci
Fast volatge gated Na channels
S. aureus
44. Rank the following by speed of conduction - av node - atria - purkinjee - ventricles
During diastole
Purkingee>atria>ventricles>AV node
Kaposi's sarcoma
Sturge weber - vasculitis of caps
45. What does HTN predispose to?
Age related calcifications or bicuspid aortic valve
Atherosclerosis - LVH - stroke - CHF - renal failure - retinopathy - aortic dissection
During diastole
Septal defects - PDA - pulm art stenosis
46. acute - self limiting necrotizing vasculitis in children associated with fever - conjunctivitis - strawberry tongue - desquamatous skin rash - lymphadenitis - coronary sinus aneurysms. Seen in asians
Kawasaki
Inc interstitial osmotic pressure pulling fliud out of capillaries
Rhabdomyomas
Atherosclerosis
47. How are the sarcomeres added in eccentric hypertrophy?
In series
LCX - I - aVL
Mitral valve prolapse
Kids
48. Which organ has ht highest blood flow per gram of tissue
Left heart failure
Polyarteritis nodosum
Inc Kf - capillary perm
Kidney
49. In an EKG - What is the QRS complex?
Ventricular depolarization - nl < 120 msec
QRS complex
Purkingee>atria>ventricles>AV node
RCA
50. Chronic mitral stenosis can lead to what changes in size of the LA
Changes in CO as a function of preload
Dilation
S. aureus
Posterior descending (80% off the RCA - 20% off the circumflex)