Biology Forums - Study Force

When the body achieves physical maturity, growth:
 A) ceases and cells immediately begin to die.
  B) continues, but at a slower rate.
  C) begins to accelerate rapidly.
  D) ceases and the body enters a phase of maintenance.

Q. 2

The developmental origins of health and disease hypothesis states that:
 A) infants born with intrauterine growth restriction have birth weights above the 90th percentile.
  B) diseases that develop in the fetus persist for the rest of its life.
  C) abnormalities that develop in the fetus predispose the mother to certain chronic diseases later in life.
  D) less than optimal prenatal and early postnatal conditions increase the risk of developing diseases.

Q. 3

__________are structures made up of milk-producing cells.
 A) Alveoli
  B) Villi
  C) Microtubules
  D) Vesicles

Q. 4

Over time, age-related bone loss can lead to_____, which in turn can make bones fragile.
 A) diabetes
  B) osteoporosis
  C) hypertension
  D) obesity

Q. 5

__________refers to the acquisition of a skill or a function.
 A) Maturation
  B) Development
  C) Growth
  D) Senescence

Q. 6

_____ are particularly important to the development of strong, healthy bones throughout childhood.
 A) Magnesium-rich foods
  B) Folate-rich foods
  C) Iron-rich foods
  D) Calcium-rich foods

Q. 7

Which of the following is a difference between prolactin and oxytocin?
 A) Prolactin stimulates the synthesis of milk, whereas oxytocin causes the muscles around the alveoli to contract.
  B) Prolactin is released by the pituitary gland, whereas oxytocin is released by the thyroid gland.
  C) Prolactin is released by the pituitary gland only during periods of anxiety, stress, and fatigue, whereas oxytocin is released only during low-stress and low-anxiety periods.
  D) Prolactin is a hormone that reduces the number of milk-producing cells in the alveoli, whereas oxytocin increases the number of milk-producing cells in the alveoli.

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