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Terms in this set (88)Select the sonographic findings that increase suspicion of a choriocarcinoma. B. Mass invasion through the uterine myometrium to the serosa with hypoechoic liver lesions A patient presents as small for gestational age with a known LMP 10 weeks ago. The sonographic exam reveals a gestational sac equivalent to a 6-week gestation. Select the most likely differential. A. Blighted ovum Which of the following is the spontaneous failure and expulsion of an early pregnancy? B. Miscarriage Primitive streak - central region of cells that contributes to the newly developed mesoderm and endoderm layers, Notochord - folded tubular region which eventually is replaced by vertebrae, Neural tube - tubular fold that closes by the end of the 5th week Organogenesis is completed at the end of what gestational week? c. 12th Which portion of the fallopian tube has the highest incidence of ectopic gestations? Ampullary Identify the sonographic finding in the uterus that is made up of bleeding from the decidualized endometrium. Pseudosac The cavity in which the fetus exists is called the: amniotic cavity Findings in ectopic pregnancy include all except which of the following? doubling of the serum beta hCG every other day Choriocarcinoma occurs most commonly after molar pregnancy Select the hormone secreted by both the syncytiotrophoblast and placenta. Human chorionic gonadotropin (hCG) Choose the quantitative pregnancy test. Serum
If a fibroid coexists with a 12-menstrual-week fetus, the sonographer must identify the relationship of the fibroid to the: placenta A 30-year-old, G4P2A1 presents to the department with right lower quadrant pain. Her b-hCG is 1,500, and she is 7 weeks by LMP. The sonographer images the double decidual sign, an embryo, and an endometrial thickness of 9 mm. The right ovary demonstrates increased color Doppler flow in a ringlike pattern. What is the most likely differential for this patient's history and sonographic findings? Normal pregnancy The most common abnormality associated with cystic hygroma is: Turner's syndrome Which term describes an abnormally fast heart rate? Tachycardia Which of the following describes the sonographic findings of an embryonic demise? Lack of heart motion, expanded amnion sign, missing double bleb sign Which of the following fetal membranes lies withing the connecting stalk? allantois Parity refers to the number of deliveries of viable infants. True Define a heterotopic pregnancy. An intrauterine pregnancy (IUP) coexisting with an ectopic pregnancy Identify the type of ectopic pregnancy that is surrounded by less than 5 mm of myometrium. Interstitial The crown-rump length measurement may be used up to the _____ gestational week. 12th The best sonographic correlation in the diagnosis of ectopic pregnancy is the combination of: free fluid and adnexal mass Identify the blastocyst layer that eventually develops into the embryonic portion of the placenta. Trophoblast Name the solid ball of developing cells which occurs after fertilization. Morula A heterotopic pregnancy is: b. simultaneous intrauterine and extrauterine pregnancy Which type of ectopic pregnancy implants on previous cesarean scars? Intramural The serum level of beta hCG with gestational trophoblastic disease is: dramatically elevated Which of the following cardiac malformations identifiable in the first trimester? Hypoplastic left heart syndrome Mesoderm - bones, muscles, connective tissue, GU tract, cardiovascular, lymphatics, Endoderm - epithelial tissue of systems like lungs and GI tract, Ectoderm - CNS system, nails, hair Conceptional age of a fetus is from the time of fertilization, and is commonly used in sonography. False Select the risk factor for an ectopic implantation of a pregnancy. Assisted reproductive therapy In transabdominal scanning, a normal gestational sac can be consistently demonstrated when the beta hCG level is: 1800 mIu/ml Generally speaking, the First International Reference Preparation of maternal serum beta-hCG is of what quantification in relation to the Second International Standard? doubled Cervical effacement is shortening of the cervix during late pregnancy and labor Name the structure that produces the embryo's first blood cells. Umbilical vesicle Which of the following contributes to the maternal portions of the placenta? Decidua basalis In a normal pregnancy, how long does it take the b-hCG to double? 48 hours A 30-year-old woman arrives for a 1st trimester ultrasound. Clinical symptoms include vaginal bleeding and rapidly declining beta hCG levels. Transabdominal and endovaginal imaging demonstrate an empty endometrial cavity and normal bilateral adnexa. This most likely represents: complete abortion The blastocyst burrows into the endometrium at the site of the outer cell mass. False The double bleb sign represents which of the following amniotic sac and the yolk sac A sonogram of a 10-week gestation demonstrates a cystic area within the posterior cranium. This most likely represents: normal rhombencephalon The most common sonographic appearance of a blighted ovum is a large empty gestational sac There is an increase risk of complete hysterectomy when an ectopic pregnancy is located in the: cervix Which of the following types of ectopic pregnancy implants in a uterine horn? Cornual The most common cause of vaginal bleeding in the 1st trimester is: subchorionic hemorrhage The first reliable indicator of an IUP is the gestational sac In early pregnancy, the gestational sac size grows at a rate of: 1.0 mm/day The postpartum presentation of an invasive mole is characterized by amenorrhea. False What is the most frequent sonographic finding in ectopic pregnancy? an adnexal mass Select the gestational age when the yolk sac images between the chorion and amnion. Carnegie stage 20 A partial absence of the cranium is called: acrania A morula is a cell mass containing approximately 23 blastomeres. False The first site of formation of red blood cells that will nourish the embryo is the: primary yolk sac Risk factors for an ectopic pregnancy include all of the following except oral contraceptives Which of the following contributes to the maternal portions of the placenta? B. Decidua basalis Corpus luteum cysts regress and typically are not seen beyond: 16-18 weeks A gestational sac in which the embryo fails to develop describes: d. both a and c The placenta develops in the decidua capsularis. False The diameter of the normal yolk sac should never exceed: 6 mm Which
of the following statements about a pseudogestational sac is false? A pseudogestational sac is eccentrically located within the endometrium. Select the normal chromosome number for an ovum 22,X or 22,Y What is the most common pelvic mass seen in 1st trimester pregnancy? corpus luteum cyst The allantois is associated with the formation of the urinary bladder The DDS sign implies a normal developing early pregnancy The embryonic heart begins to beat at: 35 days Poor prognosis is generally seen in embryos with heart rates below: 90 bpm Select the term describing an oocyte without maternal chromosomes resulting in proliferation of swollen chorionic villi and the absence of
identifiable embryonic structures. Complete hydatidiform mole The zona pellucida degenerates allowing the trophoblastic cells to contact the endometrium. True In the first trimester, herniated bowel with return within the abdominal cavity by the: 12th week The etiology of a complete molar pregnancy is an anuclear empty ovum fertilized by a haploid sperm What structure images after the yolk sac? Embryo An ovum without an embryo is known as: anembryonic pregnancy What process allows for spermatic penetration of the ovum Acrosome disintegration The amnion and chorion fuse around what menstrual age? 14-16 wks Select the mIU/mL discriminatory cutoff for b-hCG. Above 1,500 to 2,500 Using an endovaginal approach, the first structure visualized within a gestational sac is the: secondary yolk sac The fetal urinary bladder becomes sonographically apparent at: 10-12 menstrual weeks What type of ovarian cysts occur with trophoblastic disease? Theca-lutein Where does implantation of the embryo occur? Endometrium This laboratory test indicates pregnancy when the values are elevated: .hCG A congenital fissure that remains open past 12 weeks in the wall of the abdomen just to the right of the umbilical cord is called: gastroschisis Implantation occurs at the blastocyst stage 6-8 days post ovulation. True The blastocyst typically enters the uterus: 4-5 days after fertilization Students also viewedOBGYN chapter 167 terms Nicole_Tsosie vol 5 chp 2 review34 terms headache21 Vol 5 CH 132 terms RJS1994 OBGYN chapter 1512 terms Nicole_Tsosie Sets found in the same folderObgyn final145 terms and1217 OB/GYN quiz 571 terms amy_rocha64 DMS- Obstetrics 1 Midterm (Chapters 13, 14, 15, 16…166 terms paradiseunaffected DMS 201 Final study93 terms alicegalovan Other sets by this creatorOB quiz 357 terms amy_rocha64 OB quiz 1122 terms amy_rocha64 OB quiz 1061 terms amy_rocha64 quiz 9 OB60 terms amy_rocha64 Verified questions
biology Heterotrophs include (1) autotrophs, saprophytes, and herbivores (2) omnivores, carnivores, and autotrophs (3) saprophytes, herbivores, and carnivores (4) herbivores, autotrophs, and omnivores Verified answer physics The diameter of a certain artery has decreased by 25% due to arteriosclerosis. (a) If the same amount of blood flows through it per unit time as when it was unobstructed, by what percentage has the blood pressure difference between its ends increased? (b) If, instead, thee pressure drop across the artery stays the same, by what factor does the blood flow rate through it decrease? (In reality we are likely to see a combination of some pressure increase with some reduction in flow.) Verified answer
physics Water is flowing in a pipe with a circular cross section but with varying cross-sectional area, and at all points the water completely fills the pipe.\ (b) At a second point in the pipe the water speed is $3.80$ m$/$s. What is the radius of the pipe at this point? Verified answer
engineering If you are able to save $5000 in year 1,$5150 in year 2, and amounts increasing by 3% each year through year 20, the amount you will have at the end of year 20 at 10% per year interest is closest to: (a) $60,810 (b)$102,250 (c) $351,500 (d) Over$410,000 Verified answer Recommended textbook solutionsPharmacology and the Nursing Process7th EditionJulie S Snyder, Linda Lilley, Shelly Collins 388 solutions
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What are 3 causes of an ectopic pregnancy?In some cases, the following conditions have been linked with an ectopic pregnancy: inflammation and scarring of the fallopian tubes from a previous medical condition, infection, or surgery. hormonal factors. genetic abnormalities.
What is the most common cause of ectopic pregnancy?An ectopic pregnancy usually happens because a fertilized egg couldn't quickly move down the fallopian tube into the uterus. The tube can get blocked from an infection or inflammation. The tube can get blocked from: pelvic inflammatory disease (PID)
Is miscarriage a risk factor for ectopic pregnancy?The risk factors for recurrent ectopic pregnancy are previous spontaneous miscarriage, tubal damage, and age older than 30years. After treatment with methotrexate, between 62% and 70% of women had a subsequent intrauterine pregnancy, and around 8% had recurrent ectopic pregnancy.
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Risk factors for ectopic pregnancy include all of the following except Quizlet
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