Chapter 2: NLS - Infancy-Lactation Flashcards
Increase in number of cells through cell division. It is reversible when the stimulus is removed.
Hyperplasia
Simultaneous cell division and cell enlargement.
Cell proliferation
Cell enlargement
Hypertrophy
Changes in structure and function begin in the head, proceed toward the body, then downward the legs
Cephalocaudal
Starts in the central axis and progresses toward the extremities
Proximodistal
The first rapid growth spurt occurs; growth rate tapers off in the second half of the year
At 5 months, an infant will have doubled birth weight and at 1 year may have tripled it.
Infancy
Growth rate slows and become erratic
For some, there are plateaus, and at others, small growth spurts occur.
Childhood (preschool and school age)
The second rapid growth spurt occur
Body undergoes enormous physical changes of puberty
Hormonal influences bring multiple body changes
Adolescence
Final phase of the normal life cycle
Growth levels iff in the adult plateau and gradually declines during senescence
Adulthood
A decapeptide chain of 10 amino acid targeted for the anterior pituitary gland
Luteinizing hormone-releasing hormone (LHRH)
Source of Luteinizing hormone-releasing hormone
Hypothalamus
Both are small glycoproteins
Luteinizing hormone-releasing hormone (LHRH) and Follicle Stimulating Hormone (FSH)
Source of Luteinizing hormone-releasing hormone and Follicle Stimulating Hormone
Anterior Pituitary Gland
These are steroids synthesized from cholesterol and acetyl coenzyme A and they are transported in the blood loosely bound with the plasma albumin or specific binding globulins.
Estrogen and Progesterone
Source of Estrogen and Progesterone
Ovaries
Absence of menstrual periods caused by lack of nutritional support. It is a distinct sign of malnutrition in women
Amenorrhea
It declines toward the end of a woman’s reproductive life
Estrogen secretion
Puberty age range for female
11-15 years old
Menopausal age range
45-55 years old
It is a complex highly specialized metabolic organ.
An oval, spongy structure
Placenta
Size of the placenta
15-17 cm in diameter
Weight of the placenta
450 g
Hormone produced by the placenta during the second half of pregnancy that stimulates the metabolism of glucose
Placental lactogen
Hormone produced by the chorionic villi of the placenta that stimulates the production of estrogen and progesterone.
Human chorionic gonadotropin
Nervous system and epidermis
Ectoderm
Lining of the GI tract and liver, pancreas, and thyroid
Endoderm
Skeleton, connective tissues, vascular and urogenital systems, dermis, and skeletal and smooth muscles
Mesoderm
The week when the body begins to take form and can be identified as human
7th week (1 and a half month)
Fetal portion of the placenta
Chorion
Projections
Chorionic villi
Hollow spaces filled with blood from the endometrial arteries and veins; these spaces join and form a labyrinth of channels and columns lined with the highly selected functional trophoblast cells
Lacunae
Serve as the depot of transfer
Intervillous spaces
Agents of transfer
Chorionic villi
Occurs after sexual intercourse no more than 72 hours before ovulation but not later than 24 hours after
Fertilization
Number of hours for the sperm to complete the journey up to the female duct system to the end of the uterine tubes
1-2hrs
Occurs during the first 2 weeks or 14 days of gestation, the fertilized ovum becomes embedded in the wall of the uterus
Implantation
Differentiation of major organs and tissues
Organogenesis
Strong predictor of health and development of the infant.
Infant birth weight
Weight gain pattern for underweight and normal weight women
Less than 0.5 lb (0.25 kg) per week in the second half of pregnancy
Less than 0.75 lb (0.37 kg) per week in the third trimester of pregnancy
Weight gain pattern for overweight and obese women
Less than 0.5 lb (0.25 kg) per week in the third trimester of pregnancy
Third trimester weight gains
Exceeds 1.5 lb (0.7 kg)
Highest around mid-pregnancy prior to the time the fetus gains most of its weight
Rate of weight gain
Vitamin D deficiency during pregnancy for the mother
Osteomalacia
Vitamin D deficiency during pregnancy for the infant
Rickets
Folate deficiency during pregnancy
Placental and fetal abnormalities
NTDs
Iodine deficiency during pregnancy
Cretinism
Zinc deficiency during pregnancy
LBW
Vitamin D stimulates the absorption of?
Calcium
What vitamin stimulates Iron absorption?
Vitamin C
Participates in the activation of Vitamin D and in the release of the parathyroid hormone that acts on the kidneys and bones to raise blood calcium
Magnesium
What is Hyperemesis gravidarum
Intractable vomiting during pregnancy
During pregnancy, when is the best time to take iron supplementation?
An hour before a meal or 2 hours after a meal
With liquids such as: water or orange juice
Never drink with milk and coffee
What is the recommended weight gain for individuals with an underweight pre-pregnancy BMI?
28 - 40 lb (12.7 - 18.2 kg)
What is the recommended weight gain for individuals with an normal weight pre-pregnancy BMI?
25 - 35 lb (11.4 - 15.9 kg)
What is the recommended weight gain for individuals with an overweight pre-pregnancy BMI?
15 - 25 lb (6.8 - 11.4 kg)
What is the recommended weight gain for individuals with an obese pre-pregnancy BMI?
11 - 20 lb (5.0 kg - 9.1 kg)
What is the recommended weight gain for those with twin pregnancy?
25 - 54 lb (11.4 - 24.5 kg)
The pregnant woman loses weight after pregnancy; in the following weeks, she loses more as her _____ returns to normal and she sheds _____
blood volume; accumulated fluids
Second trimester (week #)
Week 13 - to week 26
Third trimester (week #)
Week 27 to the end of pregnancy
First trimester of pregnancy
Week 0 to week 13
Age at risk for pregnancy
15 years old or younger
35 years old or older
Do not use this drug during the last 3 months of pregnancy because it may present problems in the unborn child or excessive bleeding during delivery
Aspirin
This drug is used by pregnant women for severe acne can cause abortion of malformed infants
Accutane
Use of this drug leads to higher incidence of meconium staining, poor prenatal weight gain, very short or prolonged labor, operative delivery, and other perinatal problems.
Marijuana
The intake of this psychotropic drug leads to increases risk of Epstein’s anomaly, goiter, diabetes insipidus, neonatal toxic disturbances (cyanosis, hypothermia, and bradycardia)
Lithium
A rate of cardiovascular abnormality
Epstein’s anomaly
This drug is associated with an abnormal fetal heart rate
Diazepam
Medication effect on the fetus is pulmonary hypertension and neonatal bleeding
Salicylates (large doses)
Medication effect on the fetus is renal failure
Acetaminophen
Medication effect on the fetus is growth retardation and mental retardation
Anticonvulsants
Medication effect on the fetus is masculinization and advanced bone age
Oral progestogens, androgens, and estrogens
Medication effect on the fetus is inhibition of bone growth and discoloration of teeth
Tetracyclines
Illicit drug effect on the fetus is short-term irritability at birth
Marijuana
Illicit drug effect on the fetus is drug addition and acute narcotic withdrawal symptoms (tremors, excessive, high-pitch crying, and disturbed sleep), LBW
Heroine and methadone
Illicit drug effect on the fetus is placental abruption and spontaneous abortion, uncontrolled jerking motion, paralysis, depressed interactive behavior, poor organizational response to environmental stimuli
Cocaine
Illicit drug effect on the fetus is facial malformations, tremors, LBW
Phencyclidine
Total cost of a single pregnancy in iron stores (mg); and how much is used by the infant?
500 - 800 mg
300 mg is used by the fetus
Caused by blood loss during the puerperium period of confinement after labor than during gestation
Hemorrhagic anemia
Results from folic acid deficiency; symptoms include intensified nausea, vomiting, and anorexia
Megaloblastic anemia
A disease of malnutrition related to diets poor in protein, calories, calcium, and salt; a metabolic disturbance that occurs in the third trimester
Pregnancy-induced hypertension
Services for pregnant women in the Philippines (PIIRS)
Prenatal care
Iron/folic acid supplementation
Immunization
Reproductive health
Salt iodization
Establishment of sustainable, cost-effective approach of delivering health services that ensure access of disadvantaged women to acceptable and high quality maternal and newborn health services. and to enable them to safely give birth in health facilities
Safe motherhood program
The period of production of milk by the mother’s mammary glands to feed the baby; an automatic physiologic process; a natural extension of pregnancy
Lactation
A learned behavior that most successful in a supportive environment
Breastfeeding
Process of milk synthesis and secretion of the mammary gland
Lactogenesis
Are highly specialized secretory glands composed of glandular tissues, connective tissues, and fat
Female breast or mammary glands
Milk producing cells
Glandular epithelium
During the first 2 to 3 days postpartum, a small amount of _____ is secreted
Colostrum
Involves both the synthesis of milk components and the passage into the ducts
Secretion of milk
Milk passes along the duct system
Propulsion or ejection
This hormone acts on alveolar cells, promotes continual production and release, stimulates milk production, and inhibits, olvulation
Prolactin
Stimulates milk ejection and promotes uterine contraction
Oxytocin
Inhibits milk production
Estrogen
Initiation of lactation
Growth hormone and chorionic somatomammotropin
Continuation of lactation (3)
ACTH, thyroxine, thyrotropin-releasing hormone
Milk secretion reflex
Prolactin reflex
Process of streams of milk flowing out of the nipple
Let-down reflex
Human milk consists of?
Protein, sugar, and salts
Colostrum volume (mL)
2 - 10 mL
Colostrum kcal
67 kcal/mL
Mature milk kcal
75 kcal/mL
Has higher CHON, sugar, and fat
Colostrum
Incomplete closure of the spinal cord and its bony ecasement
Spina bifida
Small head
Microcephaly
Water on the brain
Hydrocephalus
An infant is considered premature if he/she is born fewer than _____ days of gestation or weight less than _____ g
270 days; 2500 g (5.5 lbs)
Prematurity as a cause of LBW is more often a problem with multiple births or when mothers gain too little (_____) or too much (_____)
16 lbs or 7 kg; 30 lbs or 14 kg
food contaminants - heavy metals
associated w/ abortion
lead toxicity
food contaminants - heavy metals
can cause brain damage
mercury toxicity