MCN 374 Peds Exam 2 Questions and Answers
(Latest Update 2023) GRADED A+
Cardiovascular assessment: inspection - correct answers ✅-color
-WOB
-general appearance
-breathing effort
-jugular distention
Cardiovascualr assessment: palpation - correct answers ✅-cap refill
-pulses for amplitude
-rate (tachy, brady, asystole)
-rhythm (regular vs. irregular)
-skin temp
-edema
Cardiovascular assessment" auscultation - correct answers ✅-murmur
-heart sounds
Prenatal circulation - correct answers ✅-Oxygenation occurs in placenta
,MCN 374 Peds Exam 2 Questions and Answers
(Latest Update 2023) GRADED A+
-travels down ubliical arteries and enters ductus venosus--> enters RA-->
oxygenated blood mixes with deoxygenated and travel through foramen
ovale--> blood enter LA through foramen ovale--> blood travels to LV then
through ductus arteriosus
Pulmonary vascular resistance = ________ in prenatal circulation - correct
answers ✅HIGH (lack of lung perfusion)
Systemic vascular resistance = _________ in prenatal circulation - correct
answers ✅LOW (placenta holding most blood volume)
Postnatal Circulation - correct answers ✅-Oxygenation occurs in lungs
-Pulmonary vascular resistance DEC due to presence of O2
-systemic resistance INC due to removal of placenta
-Ductus arteriosus closes in first 24-48hrs
Why is it important to screen for congenital heart defects - correct answers
✅Early detection can DEC infant morbidity/mortality
,MCN 374 Peds Exam 2 Questions and Answers
(Latest Update 2023) GRADED A+
Procedure of congenital heart defect screening - correct answers ✅*done
when baby >24hrs or shortly before discharge
1. place pulse ox reader on right hand and either foot
2. monitor pre and post ductal sites for 5min
3. record findings
CHD screening results - correct answers ✅-<90% sat in right hand or foot =
FAIL
-90-95% in hand/foot OR >3% difference btw hand/foot = REPEAT
->95% in hand/foot or <3% difference = PASS
**Screen repeated 3x... IF fail or repeat occurs after 3rd time: further eval
needed
Types of cardiac defects - correct answers ✅-congenital (anatomic &
abnormal function)
-Acquired (disease process, infection, autoimmune response, environmental)
, MCN 374 Peds Exam 2 Questions and Answers
(Latest Update 2023) GRADED A+
Pathophysiologic classifications of CCHD - correct answers ✅*Acyanotic*
-INC pulmonary blood flow
-Obstruction of blood flow from ventricles
*Cyanotic*
-DEC pulmonary blood flow
-Mixed Blood Flow
Example/Description of INC pulmonary blood flow defect (CCHD) - correct
answers ✅Ex. Ventricular Septal Defect
Desc: Abnormal connection btw 2 sides of heart (septum or great vessels)
CM CCHD: INC pulmonary blood flow - correct answers ✅-"Pink" babies
-dyspnea
-tachypnea
-crackles
murmur
(Latest Update 2023) GRADED A+
Cardiovascular assessment: inspection - correct answers ✅-color
-WOB
-general appearance
-breathing effort
-jugular distention
Cardiovascualr assessment: palpation - correct answers ✅-cap refill
-pulses for amplitude
-rate (tachy, brady, asystole)
-rhythm (regular vs. irregular)
-skin temp
-edema
Cardiovascular assessment" auscultation - correct answers ✅-murmur
-heart sounds
Prenatal circulation - correct answers ✅-Oxygenation occurs in placenta
,MCN 374 Peds Exam 2 Questions and Answers
(Latest Update 2023) GRADED A+
-travels down ubliical arteries and enters ductus venosus--> enters RA-->
oxygenated blood mixes with deoxygenated and travel through foramen
ovale--> blood enter LA through foramen ovale--> blood travels to LV then
through ductus arteriosus
Pulmonary vascular resistance = ________ in prenatal circulation - correct
answers ✅HIGH (lack of lung perfusion)
Systemic vascular resistance = _________ in prenatal circulation - correct
answers ✅LOW (placenta holding most blood volume)
Postnatal Circulation - correct answers ✅-Oxygenation occurs in lungs
-Pulmonary vascular resistance DEC due to presence of O2
-systemic resistance INC due to removal of placenta
-Ductus arteriosus closes in first 24-48hrs
Why is it important to screen for congenital heart defects - correct answers
✅Early detection can DEC infant morbidity/mortality
,MCN 374 Peds Exam 2 Questions and Answers
(Latest Update 2023) GRADED A+
Procedure of congenital heart defect screening - correct answers ✅*done
when baby >24hrs or shortly before discharge
1. place pulse ox reader on right hand and either foot
2. monitor pre and post ductal sites for 5min
3. record findings
CHD screening results - correct answers ✅-<90% sat in right hand or foot =
FAIL
-90-95% in hand/foot OR >3% difference btw hand/foot = REPEAT
->95% in hand/foot or <3% difference = PASS
**Screen repeated 3x... IF fail or repeat occurs after 3rd time: further eval
needed
Types of cardiac defects - correct answers ✅-congenital (anatomic &
abnormal function)
-Acquired (disease process, infection, autoimmune response, environmental)
, MCN 374 Peds Exam 2 Questions and Answers
(Latest Update 2023) GRADED A+
Pathophysiologic classifications of CCHD - correct answers ✅*Acyanotic*
-INC pulmonary blood flow
-Obstruction of blood flow from ventricles
*Cyanotic*
-DEC pulmonary blood flow
-Mixed Blood Flow
Example/Description of INC pulmonary blood flow defect (CCHD) - correct
answers ✅Ex. Ventricular Septal Defect
Desc: Abnormal connection btw 2 sides of heart (septum or great vessels)
CM CCHD: INC pulmonary blood flow - correct answers ✅-"Pink" babies
-dyspnea
-tachypnea
-crackles
murmur
