Part 2 — Answer key

Compare your answers after you have finished Part 1.

1. Which sense is least developed in a healthy full-term newborn baby?
   Vision
2. A newborn baby typically has more bones in their body than a fully grown adult.
   True
3. You warm a bottle of milk for a 2-week-old baby and want to be sure it is not too hot. What is the recommended way to test the temperature?
   Drip a few drops on the inside of your wrist
4. A new parent is about to put their sleepy 3-month-old in the crib for the night. To reduce the risk of sudden infant death syndrome (SIDS), how should the baby be placed to sleep?
   On their back
5. Many people talk about the "soft spot" on a baby's head. What is the medical term for this soft area?
   Fontanelle
6. In the animal world, which baby is called a "joey"?
   Kangaroo
7. Most babies worldwide are born with blue eyes that later change to brown or another color.
   False
8. Supervised tummy time while a baby is awake can help strengthen neck, shoulder, and core muscles.
   True
9. A pediatrician brushes a finger gently along a newborn's cheek, and the baby turns their head toward the touch and opens their mouth. Which reflex is being checked?
   Rooting reflex
10. Someone says that human pregnancy normally lasts "about nine months." Measured the standard medical way from the first day of the last menstrual period, what is the typical length of a full-term pregnancy?
    40 weeks
11. New parents of a healthy 1-week-old are unsure whether the baby is getting enough milk. In a typical day, about how many wet or dirty diapers would you expect from a well-fed newborn?
    6 to 10 per day
12. In the first day or two after birth, a baby's first dark, sticky stool has a special name that staff may mention. What is this first stool called?
    Lanugo
13. Adding rice cereal to a young baby's bottle is a recommended way to help them sleep longer at night.
    False
14. Identical twins always have exactly the same fingerprints.
    False
15. Babies can detect and respond to sweet flavors in the womb before they are born.
    True
16. A 6-month-old baby seems interested in food on the table. Which sign is the clearest indication that the baby is developmentally ready to start trying solid foods?
    Can sit with support and has good head control
17. A toddler is close to outgrowing their rear-facing car seat, and the parents ask when they can turn the seat forward. According to safety experts, what is the best guideline to follow?
    When the child outgrows the height or weight limit of the rear-facing seat
18. Soon after birth, a nurse gives a healthy newborn an injection in the thigh to help prevent dangerous bleeding. This shot usually contains which vitamin?
    Vitamin K
19. A baby is born at 35 weeks of pregnancy and is doing well but is smaller and sleepier than many full-term newborns. How is this baby’s gestational age category usually described?
    Late preterm
20. A breastfeeding parent notices their milk seems to "let down" and flow more quickly when they hear their baby cry or think about feeding. Which hormone is most directly responsible for this let-down reflex?
    Oxytocin
21. A premature baby in the neonatal intensive care unit is placed skin-to-skin on a parent's bare chest for "kangaroo care." Research supports this practice for several reasons, but which primary benefit is most consistently shown for fragile newborns?
    Earlier eruption of baby teeth
22. Arrange these baby motor milestones in the order they typically appear as a child grows, starting with the earliest skill and ending with the latest.
    Correct order: Rolling from tummy to back → Sitting without support → Crawling on hands and knees → Taking independent steps
23. It is considered normal for a healthy newborn to cry for a total of about two to three hours spread throughout a day.
    True