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)