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NURS 320 Exam 3 newest (142 questions) with verified answers

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NURS 320 Exam 3 newest (142 questions) with verified answers

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NURS 320 Exam 3 newest
with verified answers

Newborn:
- Blood pressure (BP) - correct answer ✔- 1 hour postpartum: 60-80 systolic/40-50 diastolic
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Newborn:
- Heart rate (HR) - correct answer ✔110-160 beats/minute
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Newborn:
- Respiratory rate (RR):
|||||| |||||| ||||||




- Pattern - correct answer ✔- 30-60 respirations/minute
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- Pattern:
||||||




*Irregular (pauses in respirations lasting <20 seconds)
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*Shallow


These episodes of periodic breathing occur most often during the active (rapid eye
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




movement [REM]) sleep cycle and decrease in frequency and duration with age
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Newborn:
- Temperature (axillary) - correct answer ✔97.7°F - 98.6°F
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Newborn:
- Glucose - correct answer ✔- <24 hours: 40-60 mg/dL
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- >24 hours: 50-90 mg/dL
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,Newborn:
- Heat loss modes - correct answer ✔Heat loss in the newborn occurs by four (4) modes:
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1.) Convection
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2.) Conduction
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3.) Radiation
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4.) Evaporation
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Adaptations to Increase Heat Production: - correct answer ✔- Increased muscle activity |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




*Cold infants may cry and appear restless
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- Increased cellular metabolic activity
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*Increases oxygen and glucose consumption |||||| |||||| |||||| ||||||




- Vasoconstriction
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*The infant's skin can feel cool to touch
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*Acrocyanosis may be present |||||| |||||| ||||||




- Nonshivering thermogenesis
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*Adults are able to produce heat (thermogenesis) through shivering; however, the shivering
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mechanism of heat production is rarely operable in the newborn unless there is prolonged
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cold exposure ||||||




Heat Conservation: - correct answer ✔- Assume a position of flexion
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




*Diminishes the amount of body surface exposed to the environment |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




- Peripheral vasoconstriction
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*Reduces the loss of internal heat through the body surface |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||

,Nonshivering thermogenesis (NST): |||||| ||||||




- Mechanism - correct answer ✔- Metabolism of brown fat, which is unique to the newborn
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- Increased metabolic activity in the brain, heart, and liver
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Hypothermia:
- Presentation - correct answer ✔- Pale and mottled skin
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- Skin feels cool, especially on the extremities
|||||| |||||| |||||| |||||| |||||| |||||| ||||||




*Peripheral vasoconstriction as a means of conserving internal heat |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Brown adipose tissue: |||||| ||||||




- Characteristics - correct answer ✔- Unique to newborns
|||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




- Present for several weeks after birth
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- Rapidly depleted through cold stress
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- Richer vascular and nerve supply than ordinary adipose tissue
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- The amount of brown adipose tissue increases with the weeks of gestation
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*A full term newborn has greater stores than a preterm infant
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- Gestation: 17-20 weeks
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- Increases heat production by 100%
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, Evaporative heat loss: - correct answer ✔- Insensible heat loss |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




- Evaporative heat loss results from moisture vaporization from the skin
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




- Evaporative heat loss is intensified by failing to completely dry the newborn after or with
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




bathing


- Evaporative heat loss, as a component of insensible water loss, is the most significant
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




cause of heat loss in the first few days of life
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Evaporative heat loss: |||||| ||||||




- Interventions - correct answer ✔- Place the neonate under warmer
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




- Completely dry the neonate after birth and after bathing
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- Remove wet linens and/or clothing
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- Placing a cap on the neonate's head immediately after birth
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What is the APGAR score? - correct answer ✔The APGAR score is a routine rapid
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




assessment of the newborn's overall status and response to resuscitation |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




APGAR Score: ||||||




- 0-3 - correct answer ✔Severe distress
|||||| |||||| |||||| |||||| |||||| ||||||




APGAR Score: ||||||




- 4-6 - correct answer ✔Moderate difficulty adjusting to extrauterine life
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||

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