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Exam 1 Study Prep
Obstetrics
| Question | Answer |
|---|---|
| Implantation of the blastocyst into the endometrium is completed by? | 12 days after fertilization |
| The fusion of the chorion and amnion occurs between? | 14 and 15 weeks |
| Sonography is able to determine which of the following? | Number of gestations |
| The number of yolk sacs usually corresponds to what other structure's number? | Amniotic membrane |
| The villi on the myometrial side of the conceptus is known as the? | Decidua Basalis |
| The term for a multiple pregnancy within one amniotic sac is? | Monoamniotic |
| What is the anechoic center of the gestational sac early in pregnancy? | The chorionic cavity |
| What is the goal of seeking greater balance of clinical "goods" over clinical "harms?" | Beneficence |
| Adherence to moral and ethical principles is called? | Integrity |
| With endovaginal ultrasound, an abnormal pregnancy is suspected when there is failure to visualize the yolk sac with a minimum mean gestational sac diameter (MSD) of? | 8mm |
| The duty of a health care professional to protect the privacy of patient information is called? | Confidentiality |
| Using an endovaginal approach, the first structure visualized within a gestational sac is the? | Secondary yolk sac |
| The cavity in which the fetus exists is called the? | Amniotic cavity |
| Which of the following is not an ethical issue? Non-medical use of sonography, non-maleficience, family traditions, or primum non-nocere. | Family traditions |
| What describes the kind of person we should become and the virtues we should cultivate in doing so? | Morality |
| During the first trimester, when are the limps routinely identified with sonography? | 10 weeks |
| What twinning scenario presents the highest risk of mortality? | Monoamniotic-monochorionic |
| After fertilization of the ovum, the corpus luteum begins to secrete? | Progesterone and Estrogen |
| A sonogram of a 10-week gestation demonstrates a cystic area within the posterior cranium. This most likely represents? | Normal Rhombencephalon |
| A 30-year-old woman arrives for a 1st trimester sonogram. Clinical symptoms include vaginal bleeding and rapidly declining beta hCG levels. Transabdominal and endovaginal imaging demonstrate empty endo. cavity & normal adnexas. What is this? | Complete Abortion |
| A partial or complete absence of the cranium is called? | Acrania |
| What is the most common ovarian mass seen in 1st trimester pregnancy? | Corpus luteum cyst |
| Findings in ectopic pregnancy include? | No evidence of intrauterine pregnancy, adnexal mass, and intraperitoneal fluid |
| Findings in an ectopic pregnancy do NOT include? | Normally doubling of the serum beta hCG every other day |
| Ectopic pregnancy most commonly occurs in the? | Fallopian Tube |
| If a fibroid coexists with a 12-mentrual-week fetus, the sonographer must identify the relationship of the fibroid to the? | Placenta |
| Corpus luteum cysts regress and typically are not seen beyond? | 16-18 weeks |
| A hemorrhage located between the margins of the gestational sac and the myometrium, represents? | Subchorionic hemorrhage |
| The best sonographic correlation in the diagnosis of ectopic pregnancy is the combination of? | Free fluid and adnexal mass |
| A congenital fissure that remains open past 12 weeks in the wall of the abdomen just to the of the umbilical cord is called? | Gastroschisus |
| Beyond 30 weeks of gestation, a renal pelvis is considered abnormal when measuring greater than? | 10 mm |
| Which of the following cannot be ruled out when obtaining a profile of the fetal face? | Cleft Soft Palate |
| When evaluating the fetal spine, it is important to align the transducer? | In a perpendicular axis to the spinal elements |
| Which of the following shunts blood away from the lungs? | Foramen Ovale |
| Measurement of the cistern magna size is obtained by measuring from the? | Vermis to the occipital bone |
| According to the text, fetal anatomy may be assessed accurately after? | 18 weeks |
| The cavum septum pellucidi is observed anterior to the? | Thalamus |
| The presentation of a fetus lying perpendicular to the maternal sagittal axis is? | Transverse |
| This term indicates the fetal head is toward the fundus of the uterus. | Breech |
| Which of the following about the fetal liver is false? | In the fetal liver, the right lobe is larger than the left lobe |
| The cerebrospinal fluid (CSF) travels from the lateral ventricles to the 3rd ventricle via the? | Foramen of Monro |
| The three vessels found in the umbilical cord are? | Two arteries and one vein |
| True or False: Failure to visualize the bladder should prompt the sonographer to recheck for bladder-filling later in the scan. | True |
| The cranial bones ossify by? | 12 weeks |
| Especially in the 3rd trimester, a fetus in the breech position may demonstrate a cranium shape of? | Dolichocephalic |
| This indicates the liver is on right, stomach on the left, and heart apex on the left. | Normal situs |
| What is the term used in referring to the total number of pregnancies for any one female? | Gravidity |
| Because of the high water content and small-sized reflectors of brain tissue, the texture of the brain may appear? | Hypoechoic |
| This structure carries oxygenated blood from the umbilical vein to the inferior vena cava (IVC) | Ductus Venosus |
| At which point should the serial sonograms and further evaluation be considered, when measuring the atrium of the lateral ventricles? | 10.0 mm |
Created by:
marissagirl