Neonatal Examination Overview
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Questions and Answers

What can indicate the presence of congenital torticollis in a newborn?

  • Unequal size of the eyes
  • Fluctuation of abdominal tone
  • Presence of caput succedaneum
  • Injury to the sternocleidomastoid muscle (correct)
  • Which statement about fontanelles is accurate?

  • Fontanelles should remain open indefinitely
  • There are three mastoid fontanelles
  • The anterior fontanelle closes at birth
  • Posterior fontanelle closes by the end of the second month (correct)
  • What condition describes a head that is smaller than expected for age and sex?

  • Craniosynostosis
  • Cephalhematoma
  • Macrocephaly
  • Microcephaly (correct)
  • Which of the following is a characteristic of breast engorgement in neonates?

    <p>Presence of clear or milky fluid from nipples</p> Signup and view all the answers

    Which is a feature associated with pectus excavatum in infants?

    <p>Funnel-shaped chest without functional impairment</p> Signup and view all the answers

    What is the primary mechanism of heat loss in newborns?

    <p>Evaporation</p> Signup and view all the answers

    Which process describes the body's ability to balance heat production and heat loss?

    <p>Thermal regulation</p> Signup and view all the answers

    What is the contribution of brown fat metabolism to the newborn's body temperature?

    <p>It generates heat through metabolic processes.</p> Signup and view all the answers

    How does peripheral vasoconstriction help in heat production in newborns?

    <p>By reducing heat loss from the skin.</p> Signup and view all the answers

    Which statement correctly identifies a major risk factor influencing neonatal mortality and morbidities?

    <p>Hypothermia</p> Signup and view all the answers

    What is the average birth weight of a mature female newborn?

    <p>3.4 kg</p> Signup and view all the answers

    What is defined as macrosomia in newborns?

    <blockquote> <p>4.7 kg</p> </blockquote> Signup and view all the answers

    What is the normal heart rate range for a newborn?

    <p>120-160 bpm</p> Signup and view all the answers

    At what age does the average blood pressure of a newborn rise to approximately 100/50 mmHg?

    <p>By the 10th day</p> Signup and view all the answers

    Two common methods to measure a newborn's weight include which of the following?

    <p>Birth and 10 days later</p> Signup and view all the answers

    What is the lower limit of normal birth length for a newborn?

    <p>46 cm</p> Signup and view all the answers

    What heart rate would indicate that a newborn is sleeping?

    <p>100 bpm</p> Signup and view all the answers

    When do murmurs typically disappear in newborns?

    <p>By 6 months</p> Signup and view all the answers

    What is the normal range of respiratory rate for a newborn?

    <p>40-60 breaths per minute</p> Signup and view all the answers

    Which statement is true regarding newborn respiratory characteristics?

    <p>Breathing in newborns is generally irregular.</p> Signup and view all the answers

    Which factor can influence the transition of extrauterine respirations in a newborn?

    <p>Temperature and environmental conditions</p> Signup and view all the answers

    What is considered a low birth weight for newborns?

    <p>&lt; 2500 mg</p> Signup and view all the answers

    How should a caregiver respond if a newborn's temperature is 35.5 degrees Celsius?

    <p>Check the trunk and feet for warmth.</p> Signup and view all the answers

    What is a common respiratory pattern in newborns?

    <p>Abdominal or diaphragmatic breathing.</p> Signup and view all the answers

    Which of the following actions helps maintain the newborn's airway?

    <p>Tilting the head slightly downward</p> Signup and view all the answers

    What is the significance of skin-to-skin contact for newborns?

    <p>It reduces the baby’s crying.</p> Signup and view all the answers

    What might be true about periods of apnea in newborns?

    <p>Less than 15 seconds is considered normal.</p> Signup and view all the answers

    What is the significance of acrocyanosis in newborns?

    <p>It typically occurs during crying.</p> Signup and view all the answers

    What does a lack of pink lips in a newborn indicate?

    <p>Oxygen depletion</p> Signup and view all the answers

    What is indicated by an Apgar score taken within the first 5 minutes of life?

    <p>Need for resuscitation</p> Signup and view all the answers

    Which of the following is NOT a method for measuring an infant's temperature?

    <p>Auricular</p> Signup and view all the answers

    Which sign indicates the neuromuscular maturity of a newborn that assesses wrist flexibility?

    <p>Square window</p> Signup and view all the answers

    What condition may occur if a newborn's testicles do not descend?

    <p>Cryptorchidism</p> Signup and view all the answers

    How is the presence of vernix caseosa relevant to the newborn?

    <p>Protects against infections</p> Signup and view all the answers

    What response should be initiated if a newborn does not breathe spontaneously?

    <p>Rub the back gently</p> Signup and view all the answers

    What defines a premature newborn?

    <p>Gestational age of less than 37 weeks</p> Signup and view all the answers

    In assessing the neck and spine, what feature characterizes extremely immature infants?

    <p>Tightly fused eyelids</p> Signup and view all the answers

    What increases oxygen depletion in newborns according to crying levels?

    <p>Increased crying leads to higher oxygen depletion</p> Signup and view all the answers

    What head circumference measurement indicates microcephaly in newborns?

    <p>Below 10th percentile</p> Signup and view all the answers

    What condition is associated with a head circumference greater than 90th percentile?

    <p>Hydrocephalus</p> Signup and view all the answers

    How do you correctly measure the head circumference of a newborn?

    <p>From the forehead to the occiput</p> Signup and view all the answers

    What is the expected normal chest circumference for newborns?

    <p>32 to 33 cm</p> Signup and view all the answers

    Why is it recommended not to measure abdominal circumference in newborns unless there is suspicion of distention?

    <p>It is usually inaccurate</p> Signup and view all the answers

    What physiological change initiates the transition from fetal to neonatal circulation?

    <p>Clamping of the umbilical cord</p> Signup and view all the answers

    What happens to the ductus venosus within the first three days of life?

    <p>It closes and becomes a ligament</p> Signup and view all the answers

    How does the closure of the foramen ovale occur following birth?

    <p>When left atrial pressure exceeds right atrial pressure</p> Signup and view all the answers

    What is the typical timeframe for the closure of the ductus arteriosus in a newborn?

    <p>Within 15 hours post birth</p> Signup and view all the answers

    Which statement best describes peripheral cyanosis in neonates?

    <p>It is normal within the first 48 hours after birth.</p> Signup and view all the answers

    What characterizes the first stool eliminated by a neonate?

    <p>Sticky, thick, black, and odorless</p> Signup and view all the answers

    Which reflex is characterized by the infant moving its head when the side of its cheek is stroked?

    <p>Rooting reflex</p> Signup and view all the answers

    What is indicated by a weak or delayed femoral pulse in a newborn?

    <p>Possible aortic coarctation</p> Signup and view all the answers

    What describes the characteristic color and odor of breastfed stool?

    <p>Pasty and yellow with a sour odor</p> Signup and view all the answers

    Which assessment finding might suggest that a neonate has congenital heart disease?

    <p>Peripheral cyanosis</p> Signup and view all the answers

    When should a newborn begin voiding after birth?

    <p>Within 24 hours of birth</p> Signup and view all the answers

    What is a common characteristic of the transitional stool of neonates?

    <p>Greenish brown to yellowish brown</p> Signup and view all the answers

    Which of the following reflexes might indicate a neurological problem if absent after 2 months?

    <p>Grasping reflex</p> Signup and view all the answers

    What is a common condition that can be observed in 0.3% of newborns, characterized by macular purple or dark-red lesions?

    <p>Nevus flammeus</p> Signup and view all the answers

    Which condition is described as the baby’s big toe moving forward when the sole of the foot is stroked?

    <p>Babinski reflex</p> Signup and view all the answers

    What can be inferred when a newborn's eyes are cloudy?

    <p>Normal finding for newborns</p> Signup and view all the answers

    Study Notes

    Neonatal Examination

    • Skin Elasticity: Evaluate skin elasticity by grasping a fold between thumb and fingers.
    • Fetal Skull Marks:
      • Forceps Marks: Rarely used today.
      • Fontanelles:
        • 2 mastoid
        • 2 sphenoid
        • Anterior fontanelle closes by end of second month
        • Posterior fontanelle
    • Suture Molding: A shaping of the skull bones.
    • Caput Succedaneum: Scalp edema on the presenting part of the head.
    • Cephalhematoma: A collection of blood under the scalp of a newborn
    • Craniotabes: Softening of the cranial bones, potentially due to fetal pressure.
    • Head Size Variations:
      • Microcephaly: Head smaller than expected for age and sex.
      • Macrocephaly: Head larger than expected for age and sex.
    • Eyes: Assess eye position for symmetry and equal size.
    • Congenital Torticollis: Caused by injury to the sternocleidomastoid muscle.
    • Chest and Lungs: Evaluate shape, symmetry, and breath sounds.
      • Chest Shape: Barrel-shaped, symmetrical.
      • Breast Engorgement: Present in both male and female neonates, due to maternal hormones. Clear or milky fluid discharge from nipples.
      • Chest Wall Variations
        • Pectus Excavatum (Funnel Chest): A depression of the chest wall.
        • Pectus Carinatum (Pigeon Chest): Protrusion of the sternum.
        • Prominent Xiphoid: Normal; prominence of the xiphoid process.
    • Abdomen: Assess tone, hernias, and diastasis recti.
      • Umbilical Cord: 2 veins, 1 artery
      • Meconium Passage: Expected passage within 48 hours after birth.

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    Description

    This quiz covers essential aspects of neonatal examination, including skin elasticity, skull marks, and head size variations. It also addresses specific conditions like caput succedaneum and congenital torticollis. Perfect for medical students and healthcare professionals eager to enhance their understanding of newborn assessments.

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