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Obstetrics Ch 1-3

Terms

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Branch of medicine that pertains to the care of women during pregnancy, childbirth, and the postpartum period
OBSTETRICS
The period after delivery until the involution of the uterus is complete, usually 6 weeks.
PUERPERIUM
A physician specializing in the care of women during pregnancy, labor, birth, and the postpartum period
OBSTETRICIAN
The branch of medicine that deals with the child's development and care and the diseases of childhood and treatment
PEDIATRICS
The philosophy, goals, culture, and ethnic practices of the family contribute to their ability to accept and maintain control over health care of family
EMPOWERMENT
father of obstetrics
SORANUS, A GREEK PHYSICIAN
procedure used to rotate a fetus to a breech, or feet first position
PODALIC VERSION
Karl Crede
recommended instilling 2% silver nitrate into newborn's eyes to prevent blindness caused by gonorrhea
Ignaz Semmelweis
discovered relationship between puerperal fever and unwashed hands of doctors and medical students
Louis Pasteur
confirmed spread of bacteria from improper handwashing and contact with contaminated objects
Joseph Lister
introduced antiseptic surgery
Abraham Jacobi
Father of pediatrics
term pertaining to incidence of illness and disease
MORBIDITY
term pertaining to incidence of death
MORTALITY
Provided funds for state-managed programs for maternity care
Sheppard-Towner Act
established a minimum working age of 16 and a minimum age of 18 for hazardous jobs
Fair Labor Standards Act
Rooms in which the pregnant patient receives care during labor and delivery and then remains to recover and care for her new infant
LABOR,DELIVERY, AND RECOVERY (LDR)ROOMS
freestanding buildings outside the hospital that provide comprehensive care, including antepartum, labor-delivery, postpartum, mother's classes, lactation classes, and followup family planning
BIRTHING CENTERS
efficient and effective use of resources
COST CONTAINMENT
A registered nurse who has graduated from an accredited midwife program and is nationally certified by the American-College of Nurse-Midwives. provides comprehensive prenatal and postnatal care and attends uncomplicated deliveries
MIDWIVES
A body of inherited characteristics that one generation hands down to the next
CULTURE
A conscious awareness of the cultural values, beliefs, and perceptions of one's self and others
CULTURAL AWARENESS
A quality, attained by cultural awareness and sensitivity, that enables health care providers to adapt practices to meet the needs of patients from various cultures.
CULTURAL COMPETENCE
An understanding of and sensitivity to cultural practices and values that differ from one's own.
CULTURAL SENSITIVITY
The study of the functions of all of the genes in the human body, with a focus on their interactions with each other and the environment.
GENOMICS
A Medicare system that determines payment for a hospital stay based on the patient's diagnosis
DIAGNOSIS RELATED GROUPS (DRGs)
A medical care delivery system that offers health services for a fixed premium; serves people who are financially stable
HEALTH MAINTENANCE ORGANIZATION (HMO)
A medical care delivery system that contracts with providers for services on a discounted fee-for-service basis for members; serves people who are financially stable
PREFERRED PROVIDER ORGANIZATION (PPO)
A person who intercedes or pleads on behalf of another
ADVOCATE
The process of integrating a physically or mentally challenged child into society
MAINSTREAM
The process of fully integrating a physically or mentally challenged child into society
FULL INCLUSION
Advanced practice Nurse that provides ambulatory and primary care for pediatric patients
PEDIATRIC NURSE PRACTITIONER
Advanced practice nurse who provides care in the hospital or community to specific specialty patients, such as cardiac, neurological, or oncological
CLINICAL NURSE SPECIALIST
A series of steps describing the systematic problem-solving approach nurses use to identify, prevent, or treat actual or potential health problems
NURSING PROCESS
Written instrument of communication among staff members that focuses on individualized patient care
NURSING CARE PLAN
Critical Pathways, care maps, or multidisciplinary action plans.

Collaborative guidelines that define multidisciplinary care in terms of outcomes within a timeline

CLINICAL PATHWAYS
The process of gathering and analyzing numerical data
STATISTICS
Purposeful, goal-directed thinking based on scientific evidence rather than assumption or memorization
CRITICAL THINKING
Using the best evidence obtained from current, valid, published research
EVIDENCE BASED PRACTICE
A period of rapid change in the lives of boys and girls during which the reproductive systems mature and become capable of reproduction
PUBERTY
When does puberty end?
When mature sperm are formed or when regular menstrual cycles occur
What are the external MALE genitalia?
PENIS AND SCROTUM (which contain the testes)
cheese like sebaceous substance that collects under the foreskin of the penis and also produced by the clitoris
SMEGMA
Two functions of the penis
1. Provides a duct to expel urine from bladder
2. Deposits sperm in the female vagina to fertilize an ovum
Sperm Production
SPERMATOGENESIS
What are the internal MALE genitalia?
TESTES, VAS DEFERENS, PROSTATE, SEMINAL VESICLES, EJACULATORY DUCTS, URETHRA, AND ACCESSORY GLANDS
Two functions of the testes?
1. Manufacture sperm (in the seminiferous tubules)
2. Secrete male hormones (androgens)
Where are sperm produced?
Seminiferous tubules
Initiates the production of testosterone in the Leydig cells of the teestes
Luteinizing hormone (LH)
What are the accessory glands of the MALE reproductive system?
Seminal vesicles, prostate gland, and bulbourethral glands (Cowper's glands)
Combined seminal plasma and sperm
SEMEN
What are the external FEMALE genitalia?
mons pubis, labia majora, labia minora, fourchette, clitoris, vaginal vestibule, perineum.
The external FEMALE genitalia are called?
VULVA
a fold of tissue just below the bagina where the labia majora and labia minora meet
(fourchette) OBSTETRICAL PERINEUM
What are the 5 structures of the Vaginal Vestibule?
1. urethral meatus (approx 2 cm below clitoris)
2. Skene's ducts (provide lubrication for urethra)
3. Vaginal introitus (division between internal and external genitalia)
4. Hymen
5. Ducts of the Bartholin glands



Strong, muscular area between vaginal opening and the anus
Perineum
Painful sexual intercourse
Dyspareunia
What are the internal FEMALE genitalia?
vagina, uterus, fallopian tubes, and ovaries
What is the tubular structure made of muscle and membranous tissue that connects the external genitalia to the uterus
VAGINA
Transverse ridges of the mucous membrane lining that makes stretching of the vagina possible during delivery
RUGAE
Three functions of the vagina
1. provides a passage way for sperm to enter the uterus
2. Allows a drainage of menstrual fluids and other secretions
3. Provides a passageway for the infant's birth

Most important of the Pelvic Floor Muscles?
levator ani- supports three structures that penetrates it: urethra, vagina, and rectum
The developing structure in the early stage of development-- the period from about 3-8 weeks of gestation
EMBRYO
What are the ligaments that support the uterus?
BROAD LIGAMENT
ROUND LIGAMENT
CARDINAL LIGAMENT
UTEROSACRAL LIGAMENT


Provides stability to the uterus in the pelvic cavity
BROAD LIGAMENT
Surrounded by muscles that enlarge during pregnancy and keep the uterus in place
ROUND LIGAMENT
Prevent uterine prolapse
CARDINAL LIGAMENTS
surrounded by smooth muscle and contain sensory nerve fibers that may contribute to the sensation of dysmenorrhea
UTEROSACRAL LIGAMENTS
What are the three layers of the Fundus and Corpus?
1. Perimetrium (outermost)
2. Myometrium (middle)
3. Endometrium (inner)

internal opening of the cervix near the uterine corpus
INTERNAL OS
cervical opening into the vagina
EXTERNAL OS
Four functions of the mucosal lining of the cervix
1. lubricates the vagina
2. acts as a bacteriostatic agent
3. provides an alkaline environment to shelter sperm from acidic pH of vagina
4. produces a mucous plug in the cervical canal during pregnancy


Four sections of Fallopian tubes
1. interstitial (extends into uterine cavity)
2. isthmus (narrow area near uterus)
3. ampulla (wider area, site of fertilization)
4. infundibulum ( funnel-like enlarged distal end of tube)


Fertilized ovum
ZYGOTE
Two functions of the ovaries
1. production of hormones, chiefly estrogen and progesterone
2. stimulation of an ovum's maturation during each menstrual cycle
The four bones that attach to the lower spine to form the pelvis
Two innominate bones (ilium, pubis, and ischium)
Sacrum
Coccyx

Three functions of the bony pelvis
1. Supports and distributes body weight
2. Supports and protects pelvic organs
3. Forms the birth passageway

Four basic types of pelves
Gynecoid
Anthropoid
Android
Platypelloid


Distance between the suprapubic angle and the sacral promontory
DIAGONAL CONJUGATE
The smallest inlet diameter. Measurement determines if fetus can pass through birth canal
OBSTETRIC CONJUGATE
Largest diameter of the inlet. Determines the inlets shape
TRANSVERSE DIAMETER
A measurement of the distance between the inner surfaces of the ischial tuberosities
BIISCHIAL DIAMTER
small sebaceous glands in the areola that secrete a substance to lubricate and protect the breasts during lactation
MONTGOMERY'S GLANDS
Stimulates the maturation of a follicle in the ovary that contains a single ovum
FOLLICLE-STIMULATING HORMONE (FSH)
Occurs when a mature ovum is released from the follicle about 14 days before the onset of the next menstrual period
OVULATION
Beginning of menstruation
MENARCHE
A period of years during which the woman's ability to reproduce gradually declines
CLIMACTERIC
The final menstrual period
MENOPAUSE
Four phases of human sexual response
1. excitement
2. plateau
3. orgasmic
4. resolution


Stimulates contraction of the uterus and dilation of the cervical canal
OCYTOCIN
22 pairs of body chromosomes
AUTOSOMES
drugs that cause damage to growing cells such as some prescribed medications
TERATOGENS
Two types of cell division
MITOSIS AND MEIOSIS
Cell division that is a continuous process by which the body grows and develops and dead body cells are replaced
MITOSIS
Cell division in which reproductive cells undergo two sequential divisions
MEIOSIS
23 chromosomes as a result of meiosis
HAPLOID
when the sperm and ovum unite
FERTILIZATION
the formation of gametes by meiosis
GAMETOGENESIS
Where does fertilization normally occur?
In the outer third of the fallopian tube near the ovary
The endometrium after the zygote has been implanted
DECIDUA
What are the germ layers?
ECTODERM
MESODERM
ENDODERM

Outer layer of embryonic cells
CHORION
bag of waters that permit the embryo to float freely
AMNIOTIC SAC
What is the volume of amniotic fluid at 37 weeks gestation
1000 mL
What are the 5 functions of amniotic fluid?
1. maintain even temperature
2. prevent amniotic sac from adhering to fetal skin
3. allows symmetrical growth
4. allows buoyancy and fetal movement
5. acts as a cushion to protect fetus and umbilical cord from injury



What are the three basic stages that characterize prenatal development
zygote
embryo
fetus

At 20 weeks the lungs have matured functionally enough for the fetus to survive outside the uterus
AGE OF VIABILITY
afterbirth/ a temporary organ for fetal respiration, nutrition, and extretion
PLACENTA
What are the 4 hormones produced by the placenta
progesterone
estrogen
Human chorionic Gonadotropin (hCG)
Human Placental Lactogen (hPL)


covers and cushions the cord vessels and keeps the three vessels separated
Wharton's Jelly
What are the three fetal circulatory shunts
Ductus venosus
Foramen ovale
Ductus arteriosus

identical twins
MONOZYGOTIC TWINS (MZ)
FRATERNAL TWINS
DIZYGOTIC TWINS (DZ)

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