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NUR 406 ( LATEST 2024 / 2025 ) EXAM 14 | ACTUAL QUESTIONS AND ANSWERS 100% CORRECT
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NUR 406 ( LATEST 2024 / 2025 ) EXAM 14 | ACTUAL QUESTIONS AND ANSWERS 100% CORRECT
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NUR 406 Exam 141. When is the newborn period?
Answer
The Newborn period is from birth through the first 28 days.
2. What are the nursing goals during newborn transition to extrauterine life?-
Answer
1. Maintenance of a clear airway and stable vital signs
2. Maintenance of a neutral thermal environment
3. Prevention of complications from hemorrhagic disease
4. Prevention of eye infection and other infection
5. Early assessment of neonatal distress
6. Promotion of adequate hydration and nutrition
7. Promotion of safety-security measures and parent education
8. Enhancement of parent-infant attachment and parental knowledge of newborn care
3. What is the respiratory transition?
Answer
Most critical adjustment Newborn must make. First breath initiates
- conversion from fetal to neonatal circulation
- emptying the lungs of fluid
4. What are the four stimuli that allow initiation of newborn respirations?
Answer
Me- chanical
Chemical Sensory Thermal
5. What are some respiratory problems that occur in newborns?
Answer
,Surfactant is deficient - surfactant substance that keeps the tiny air sacs in the lung open.
Newborns delivered by cesarean have more fluid in their lungs as chest was not compressed
during delivery
6. Describe fetal lung development
Answer
20-24 weeks alveolar ducts begin to appear 24-28 weeks primitive alveoli appear
28-32 weeks surfactant is produced
35 weeks surfactant production peaks and remains high until term
7. What is the normal respiratory rate of a newborn?
Answer
Normal respiratory rate of Newborn is 30-60
8. What is periodic breathing?
Answer
Newborn respiratory pattern that is characterized by shallow, irregular breathing, sometimes
interrupted by short pauses of 5-15 seconds
Irregular but Normal
9. Which action best explains the main role of surfactant in the neonate?
Answer
-
Helps the lungs remain expanded after the initiation of breathing
10. Describe fetal circulation
Answer
Oxygenated blood enters the umbilical vein and is directed into inferior vena cava through
ductus venosus
Flows into rt atrium, most of bld passes into lt atrium through foramen ovale, bypassing rt
ventricle and pulmonary circulation
,From lt atrium flows into left ventricle, then to aorta. Bld with highest oxygen content goes to
heart, brain, upper extremities
Bld returning from brain and upper extremities enters heart via superior vena cava, this less
oxygenated blood is directed to right ventricle.
Most bld in rt ventricle bypasses pulmonary circulation by being shunted into descending aortal
through ductus arteriosus. Bld nourishes trunk and lower extrem- ities. Due to high pulmonary
resistance in FC only small amount from rt ventricle goes to the lungs.
*Not tested on in depth
11. The pressure changes close the
Answer
- Foramen ovale (1 to 2 hours after birth)
- Ductus venosus (within 2 months)
- Ductus arteriosus ( functional closure starts at 18 hours after birth, may take as long as 3
weeks to close permanently)
12. What is the normal heart rate of a newborn?
Answer
Heart rate of newborn ranges between 110-160 beats/min
13. What is a transient functional murmur?
Answer
may be heard as result of cardiovas- cular changes at birth (90% are transient)
14. What is the mean blood pressure for an 8lb infant?
Answer
80/58
O2 sat
15. What are the Four mechanisms that control heat loss?
Answer
Evaporation
, Answer
Evap- oration is the process of losing heat through the conversion of water to gas (evapo- ration
of sweat)
Radiation
Answer
body heat rises to cooler surfaces and objects, not in direct contact Convection
loss of warm body surface to cooler air currents
Conduction
loss of heat to cold surfaces in direct contact
16. What type of heat mechanism is utilized in kangaroo care or skin to skin contact?
Answer
Conduction
17. By keeping the nursery temperature warm and wrapping the neonate in blankets, the nurse
is preventing which type of heat loss?
Answer
Radiation
18. What is Kangaroo Care?
Answer
Provides physiological warmth and bonding Skin to skin contact
Can be done with both mom and dad
Used as an intervention in some facilities for low temperatures in newborn
19. What factors influence temperature control in the newborn?
Answer
Large surface area in proportion to mass
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