Biology Forums - Study Force

The clear liquid secreted by the mammary glands before milk production begins is called
 A) milk.
  B) colostrum.
  C) serum.
  D) plasma.
  E) peritoneal.

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(Question 2) A mother has a lot of milk stored in the breast and mammary glands but cannot seem to expel the milk for her newborn. Her doctor thinks that the cause may be
 A) low levels of oxytocin.
  B) high levels of HCG.
  C) low levels of estrogen.
  D) low levels of progesterone.
  E) unresponsive smooth muscle around the mammary glands.

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(Question 3) The period from 1 month after birth to 1 year is known as
 A) childhood.
  B) post-fetal.
  C) neogen.
  D) infancy.
  E) neonatal.

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(Question 4) The developmental period heralded by the onset of puberty is known as
 A) post-infancy.
  B) adolescence.
  C) early childhood.
  D) teenage years.
  E) pre-teen.

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(Question 5) The neonatal period extends
 A) for the first 24 hours of life.
  B) for the first month of life.
  C) until the first birthday.
  D) for the first six months.
  E) until breast feeding stops.

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(Question 6) ________ is the medical specialty that focuses on postnatal development from infancy to adolescence.
 A) Geriatrics
  B) Orthopedics
  C) Pediatrics
  D) Psychiatrics
  E) Obstetrics

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(Question 7) The merging of ________ forms the right lymphatic duct.
 A) the right jugular, right subclavian, and right bronchomediastinal trunks
  B) the right lumbar, right subclavian, and right bronchomediastinal trunks
  C) two great vessels
  D) the thoracic and mediastinal ducts
  E) superior and inferior lymphatic ducts

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(Question 8) The infancy stage of life is considered to be over at
 A) 3 months
  B) age 2.
  C) 6 months.
  D) 1 month.
  E) 18 months.

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(Question 9) Lymphatic capillaries are known for all of the following except
 A) being the starting point of the lymphatic circulation.
  B) being the smallest lymphatic vessels.
  C) having larger diameters and looser walls than blood capillaries.
  D) having shingle-like endothelial cells.
  E) allowing nutrient and gas exchange.

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(Question 10) As a person ages,
 A) the skin becomes more elastic.
  B) lung tissue becomes more elastic.
  C) peristalsis and muscle tone decrease.
  D) all hormone levels decrease.
  E) peristalsis and muscle tone decrease and some hormone levels decrease.

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