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Test Ch 23 second and third trimester obstetrics (13 to 42 weeks) by curry 4 th^ /5th^ Edition
- Cerebrospinal fluid is produced in the fetus by the: a. meninges b. spine and brain c. cerebellum d. choroid plexus
- In more than 90% of pregnancies, the fetal urinary bladder is visualized sonographically by __________ weeks. a. 10 b. 12 c. 15 d. 20
- The atrial septal opening is the: a. mitral valve b. foramen ovale c. ductus venosus d. ductus arteriosus 4.Which vessels comprise the umbilical cord? a. Portal vein and umbilical artery b. Umbilical artery and right and left portal veins c. Two umbilical arteries and one umbilical vein
d. One umbilical artery and two umbilical veins
5. The cisterna magna is a(n): a. moderately echogenic portion of the brain stem b. highly reflective brain fissure c. anechoic medullary pyramid d. anechoic subarachnoid space 6. The thalami are: a. the bright, drumstick-shaped portions of the lateral ventricles b. centrally located in the brain and appear hyperechoic c. the highly echogenic lines seen dividing the cerebrum d. centrally located in the brain and appear homogeneous 7. The fetal adrenal glands appear _________ to the liver, spleen, and renal cortex. a. anechoic b. anterolateral c. hypoechoic d. hyperechoic 8. The ____________ divides the thalamus into two equal sections. a. falx cerebri b. cavum septum pellucidi
b. falx c. cisterna magna d. 3rd ventricle
13. In regards to gender, visualizing the penis is enough to determine the fetus is male. True False 14. The lateral ventricles are fully developed by ___________ weeks. a. 12 - 13 b. 14 - 15 c. 18 - 20 d. 22 - 24 15. The ____________ is the bright, reflective fold of dura mater in the cerebral fissure that separates the cerebral hemispheres. a. thalamus b. falx c. 3rd ventricle d. 4th ventricle 16. The fetus begins contributing to the amniotic fluid by week: a. 12 b. 14 c. 16
d. 20
17. The spinal cord appears ______________ on ultrasound. a. hyperechoic b. anechoic c. hypoechoic d. echogenic 18. What is the significance of the following finding? a. It is clinically insignificant b. It indicates a poor prognosis c. It has a high association with an abnormal karyotype d. When caught early, treatment can be performed 19. Is the following image at the appropriate level to measure the BPD? a. Yes b. No 20. What does the following image represent? a. BPD b. Indicator of trisomy 21 c. Measurement of the cerebellum
