NURS 629
NURS 629 Exam 4 Study Questions with
Correct Answers 2025
What is physiological jaundice? -Correct Answer ✔-occurs when baby accumulates
bilirubin
-secondary to immature liver in newborns
-common first 2-4 days of life and resolves by 2 weeks
What level is conjugated hyperbilirubinemia? -Correct Answer ✔serum conjugated
bilirubin concentration greater than 1 mg/dL if the total bilirubin is less than 5.0 mg/dL
or more than 20% of the total bilirubin if the the total bilirubin is greater than 5 mg/dL
(p. 862 AAP book)
What is breastfeeding jaundice? -Correct Answer ✔-due to poor intake that causes lack
of stools and urine output
-common in first week and resolves once milk comes in and infant is feeding well-more
stools and urinary output
-peaks around 2-3 weeks
How do you diagnose jaundice? -Correct Answer ✔-dx with a bili level of 5 mg/dL
-12 mg/dL threshold for all newborns having jaundiced appearance
-direct/indirect bili levels
-CBC
-reticulocyte count
How do you treat jaundice? -Correct Answer ✔increased intake
indirect sunlight
NURS 629
,NURS 629
phototherapy
IV fluids
What are other causes of jaundice? -Correct Answer ✔abnormal blood cell shapes (like
sickle cell)
Rh incompatibility
cephalohematoma
polycythemia (increased RBCs, SGA infants, twins)
infection
specific enzyme disorders
What is biliary atresia? -Correct Answer ✔-life-threatening condition causing a blockage
of bile ducts inside or outside of liver
-leads to build-up of toxins (like bilirubin)
-malabsorption of fat-soluble vitamins A,D,E,K
-scaring of the liver, loss of tissue, cirrhosis
-not inherited
What are the two types of biliary atresia? -Correct Answer ✔fetal- noted in womb (other
defects like heart, spleed, intestines)
perinatal- appears 2-4 weeks after birth
What causes biliary atresia? -Correct Answer ✔-infection after birth (cytomegalovirus or
rotavirus)
-autoimmune disorder
-developmental issue in womb
-exposure to toxic substances
NURS 629
, NURS 629
What are symptoms of biliary atresia? -Correct Answer ✔jaundice
dark urine
light to white stools
poor wt gain and growth
How do you diagnose biliary atresia? -Correct Answer ✔any infant with jaundice present
2-3 weeks after birth
-direct and indirect serum bilirubin
-LFTs
-abdominal x-ray
-abdominal US
-liver bx
How do you treat biliary atresia? -Correct Answer ✔surgery (Kasai procedure)
liver transplant
What are risk factors for dehydration? -Correct Answer ✔GI virus
vomiting/diarrhea
What are s/sx of dehydration? -Correct Answer ✔sunken anterior fontanel
tachycardia and decrease cap refill
decrease urine output is sensitive but nonspecific
increase in urine specific gravity
decrease BP- late finding=more than 10% fluid loss
NURS 629
NURS 629 Exam 4 Study Questions with
Correct Answers 2025
What is physiological jaundice? -Correct Answer ✔-occurs when baby accumulates
bilirubin
-secondary to immature liver in newborns
-common first 2-4 days of life and resolves by 2 weeks
What level is conjugated hyperbilirubinemia? -Correct Answer ✔serum conjugated
bilirubin concentration greater than 1 mg/dL if the total bilirubin is less than 5.0 mg/dL
or more than 20% of the total bilirubin if the the total bilirubin is greater than 5 mg/dL
(p. 862 AAP book)
What is breastfeeding jaundice? -Correct Answer ✔-due to poor intake that causes lack
of stools and urine output
-common in first week and resolves once milk comes in and infant is feeding well-more
stools and urinary output
-peaks around 2-3 weeks
How do you diagnose jaundice? -Correct Answer ✔-dx with a bili level of 5 mg/dL
-12 mg/dL threshold for all newborns having jaundiced appearance
-direct/indirect bili levels
-CBC
-reticulocyte count
How do you treat jaundice? -Correct Answer ✔increased intake
indirect sunlight
NURS 629
,NURS 629
phototherapy
IV fluids
What are other causes of jaundice? -Correct Answer ✔abnormal blood cell shapes (like
sickle cell)
Rh incompatibility
cephalohematoma
polycythemia (increased RBCs, SGA infants, twins)
infection
specific enzyme disorders
What is biliary atresia? -Correct Answer ✔-life-threatening condition causing a blockage
of bile ducts inside or outside of liver
-leads to build-up of toxins (like bilirubin)
-malabsorption of fat-soluble vitamins A,D,E,K
-scaring of the liver, loss of tissue, cirrhosis
-not inherited
What are the two types of biliary atresia? -Correct Answer ✔fetal- noted in womb (other
defects like heart, spleed, intestines)
perinatal- appears 2-4 weeks after birth
What causes biliary atresia? -Correct Answer ✔-infection after birth (cytomegalovirus or
rotavirus)
-autoimmune disorder
-developmental issue in womb
-exposure to toxic substances
NURS 629
, NURS 629
What are symptoms of biliary atresia? -Correct Answer ✔jaundice
dark urine
light to white stools
poor wt gain and growth
How do you diagnose biliary atresia? -Correct Answer ✔any infant with jaundice present
2-3 weeks after birth
-direct and indirect serum bilirubin
-LFTs
-abdominal x-ray
-abdominal US
-liver bx
How do you treat biliary atresia? -Correct Answer ✔surgery (Kasai procedure)
liver transplant
What are risk factors for dehydration? -Correct Answer ✔GI virus
vomiting/diarrhea
What are s/sx of dehydration? -Correct Answer ✔sunken anterior fontanel
tachycardia and decrease cap refill
decrease urine output is sensitive but nonspecific
increase in urine specific gravity
decrease BP- late finding=more than 10% fluid loss
NURS 629
