Newborn Physiological Adaptations, Exams of Nursing

The key physiological adaptations that occur in newborns as they transition from the intrauterine to the extrauterine environment. It discusses the changes in the cardiovascular, respiratory, and thermoregulatory systems, as well as the assessment and monitoring of vital signs, reflexes, and other important newborn characteristics. The information provided can be useful for nursing students, healthcare professionals, and parents to understand the normal processes of newborn adaptation and identify potential complications or deviations from the expected patterns.

Typology: Exams

2023/2024

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OB PrepU: Chapter 17 Questions
When assessing the newborn's umbilical cord, what should the nurse expect to find?
a. one smaller vein and two larger arteries
b. two smaller veins and one larger artery
c. one smaller artery and two larger veins
d. two smaller arteries and one larger vein - verified answer d. two smaller arteries and one larger
vein
A nursing student is aware that fetal gas exchange takes place in which area?
a. bronchioles
b. placenta
c. lungs
d. uterus - verified answer b. placenta
A mother is upset because her newborn has lost 6 ounces since birth 2 days ago. The nurse informs
the mother that it is normal for a newborn to lose which percentage of their birth weight within the
first week of life?
a. 20% of their birth weight
b. 15% to 18% of their birth weight
c. 10% to 15% of their birth weight
d. 5% to 10% of their birth weight - verified answer d. 5% to 10% of their birth weight
A nurse is teaching newborn care to students. The nurse correctly identifies which mechanism as the
predominant form of heat loss in the newborn?
a. nonshivering thermogenesis
b. radiation, convection, and conduction
c. lack of brown adipose tissue
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OB PrepU: Chapter 17 Questions

When assessing the newborn's umbilical cord, what should the nurse expect to find? a. one smaller vein and two larger arteries b. two smaller veins and one larger artery c. one smaller artery and two larger veins

d. two smaller arteries and one larger vein - verified answer d. two smaller arteries and one larger

vein A nursing student is aware that fetal gas exchange takes place in which area? a. bronchioles b. placenta c. lungs

d. uterus - verified answer b. placenta

A mother is upset because her newborn has lost 6 ounces since birth 2 days ago. The nurse informs the mother that it is normal for a newborn to lose which percentage of their birth weight within the first week of life? a. 20% of their birth weight b. 15% to 18% of their birth weight c. 10% to 15% of their birth weight

d. 5% to 10% of their birth weight - verified answer d. 5% to 10% of their birth weight

A nurse is teaching newborn care to students. The nurse correctly identifies which mechanism as the predominant form of heat loss in the newborn? a. nonshivering thermogenesis b. radiation, convection, and conduction c. lack of brown adipose tissue

d. sweating and peripheral vasoconstriction - verified answer b. radiation, convection, and

conduction The nurse is assessing a neonate as he transitions to extrauterine life. The nurse integrates understanding that which structure closes as a result of the neonate's first breath? a. ductus arteriosus b. foramen ovale c. ductus venosus

d. umbilical artery - verified answer b. foramen ovale

The nurse is assessing a newborn by auscultating the heart and lungs. Which natural phenomenon will the nurse explain to the parents is happening in the cardiovascular system? a. Pressure changes occur and result in closure of the ductus arteriosus. b. The oxygen in the blood decreases. c. Oxygen is exchanged in the lungs.

d. Fluid is removed from the alveoli and replaced with air. - verified answer a. Pressure changes

occur and result in closure of the ductus arteriosus. A newborn's ears are lined up below a line from the inner to outer canthus of the eye, extending past the ear. What other possible findings should the nurse be aware of in this client? Select all that apply. a. Hydrocephalus b. Cognitive impairment c. Deafness d. Cleft palate

e. Internal organ defects - verified answer b. Cognitive impairment

e. Internal organ defects The nurse enters the room and notes the infant is in its bed sleeping, close to the outside window. Which action should the nurse prioritize?

What is the first action taken by a nurse caring for a newborn with suspected hypoglycemia? a. Check the client's blood sugar by a venous blood draw. b. Perform a heel stick to obtain a blood sample for testing for glucose level. c. Start an IV to provide intravenous glucose.

d. Feed the newborn some formula immediately. - verified answer b. Perform a heel stick to obtain

a blood sample for testing for glucose level. A newborn's vital signs are documented by the nurse and are as follows: HR 144, RR- 36, BP- 128/78, and T- 98.6℉ (37℃). Which finding would be concerning to the nurse? a. Heart Rate b. Blood Pressure c. Temperature

d. Respiratory Rate - verified answer b. Blood Pressure

The nurse is assessing reflexes in a newborn infant. What can the nurse do to elicit the rooting reflex? a. Gently stroke the newborn's cheek. b. Place a gloved finger in the newborn's mouth. c. Startle the newborn by letting the head drop back slightly.

d. Turn the head to one side without moving the rest of the body. - verified answer a. Gently stroke

the newborn's cheek. A nursing instructor informs the student that which stimuli initiate respirations in the newborn? Select all that apply. a. decreased CO b. acidosis c. alkalosis d. hypercapnia

e. hypoxia - verified answer b. acidosis

d. hypercapnia e. hypoxia A nurse is teaching a new mother about how newborns regulate their temperature. As part of the teaching, the nurse explains brown fat. Which information would the nurse include? Select all that apply. a. Only mature newborns have brown fat. b. Brown fat is brown and rich in blood vessels and nerve endings. c. The most common places to find brown fat are the scapulae, neck, mediastinum, and areas near the kidneys and adrenals. d. The newborn keeps itself warm by oxidizing brown fat in response to exposure to the cold.

e. Brown fat makes up 10% of a term newborn's body weight. - verified answer a. Only mature

newborns have brown fat. b. Brown fat is brown and rich in blood vessels and nerve endings. c. The most common places to find brown fat are the scapulae, neck, mediastinum, and areas near the kidneys and adrenals. d. The newborn keeps itself warm by oxidizing brown fat in response to exposure to the cold. A 2-month-old infant is admitted to a local health care facility with an axillary temperature of 96.8° F (36° C). Which observed manifestation would confirm the occurrence of cold stress in this client? a. lethargy and hypotonia b. hyperglycemia c. increase in the body temperature

d. increased appetite - verified answer a. lethargy and hypotonia

A nurse is explaining to new parents how a newborn adapts to extrauterine life. When discussing the physiologic changes that occur, the nurse would explain that this transition usually occurs within the first: a. 6 to 10 hours of life. b. 4 to 6 hours of life.

d. a respiratory rate of 15 breaths per minute with nasal flaring - verified answer d. a respiratory

rate of 15 breaths per minute with nasal flaring At what point should the nurse expect a healthy newborn to pass meconium? a. within 1 to 2 hours of birth b. before birth c. within 24 hours after birth

d. by 12 to 18 hours of life - verified answer c. within 24 hours after birth

A nurse is assessing a newborn's temperature. Which reading would the nurse document as normal? a. 35.0° C (95.0° F) b. 38.0° C (100.4° F) c. 36.0° C (96.8° F)

d. 37.0° C (98.6° F) - verified answer d. 37.0° C (98.6° F)

The nurse notes a newborn has a temperature of 97.4oF (36.3oC) on assessment. The nurse acts to prevent which complication first? a. Seizure b. Respiratory distress c. Hypoglycemia

d. Cardiovascular distress - verified answer b. Respiratory distress

What should the nurse expect for a full-term newborn's weight during the first few days of life? a. There is an increase in 3% to 5% of birth weight by day 3 in formula-fed babies. b. There is a loss of 5% to 10% of the birth weight in the first few days in breastfed infants only. c. There is a loss of 5% to 10% of birth weight in formula-fed and breastfed newborns.

d. A formula-fed newborn should gain 3% to 5% of the initial birth weight in the first 48 hours, but a

breastfed newborn may lose up to 3%. - verified answer c. There is a loss of 5% to 10% of birth

weight in formula-fed and breastfed newborns. A nurse is teaching a new mother about what to expect for bowel elimination in her newborn. Because the mother is breastfeeding, what should the nurse tell her about the newborn's stools? a. Stools should be yellow-green and loose. b. Stools should be greenish and formed in consistency. c. Stools should be yellow-gold, loose, and stringy to pasty.

d. Stools should be brown and loose. - verified answer c. Stools should be yellow-gold, loose, and

stringy to pasty. A nursing student is preparing a class for new mothers about adaptations they can expect in their newborns. Which information about newborn vision should the student include in the presentation? a. Newborns cannot focus on any objects. b. Newborns have the ability to focus only on objects far away. c. Newborns have the ability to focus on objects in midline.

d. Newborns have the ability to focus only on objects in close proximity. - verified answer d.

Newborns have the ability to focus only on objects in close proximity. A nursing student observing newborns in the nursery is amazed that a crying infant put her fingers in her mouth, instantly stops crying, and then falls asleep. This behavior can best be explained as: a. motor maturity. b. self-quieting ability. c. social behavior.

d. the sleep state. - verified answer b. self-quieting ability.

A 12-hour-old infant is receiving IV fluids for polycythemia. For which complication should a nurse monitor this client? a. tachycardia

a. hematocrit (Hct) 40% (0.4) b. hemoglobin (Hbg) 17 g/dL (170 g/L) c. platelet count 75,000/μL (75 ×109/L)

d. white blood cell (WBC) count 40,000/mm³ (40 ×109/L) - verified answer b. hemoglobin (Hbg) 17

g/dL (170 g/L)