The _____ is/are responsible for oxygen and carbon dioxide transport from and to the maternal bloodstream
1. decidua basalis
2. blastocyst
3. germ layer
4. chorionic villi
4
1. Incorrect. The decidua basalis is the portion of the decidua (endometrium) under the blastocyst where the villi attach.
2. Incorrect. The blastocyst is the embryonic development stage following the morula. At this stage, implantation occurs.
3. Incorrect. The germ layer is a layer of the blastocyst.
4. Correct. Chorionic villi are fingerlike projections that develop out of the trophoblast and extend into the blood-filled spaces of the endometrium. These villi obtain oxygen and nu-trients from the maternal bloodstream and dispose of carbon dioxide and waste products into the maternal blood.
You might also like to view...
A nurse is examining a client reporting right upper quadrant (RUQ) abdominal pain. What technique should the nurse use to assess this client's abdomen?
a. Auscultate after palpating. b. Avoid any palpation. c. Palpate the RUQ first. d. Palpate the RUQ last.
A community health nurse working in a school setting is concerned because parents are not participating in health activities designed to promote child safety. In this situation, the most appropriate initial action is:
A. Implementing a child safety program B. Planning a focused child safety program C. Performing an analysis of health problems related to child safety D. Determining the appropriateness of the planned health activity
A 34-year-old woman has presented to the clinic for the first time, and the nurse learns that she has been taking Depo Provera for the past 13 years. This aspect of the woman's medical history should prompt what assessment?
A) Cardiac stress testing B) Renal ultrasound C) Bone density testing D) Evaluation of triglyceride levels
The nurse is working with a pregnant woman who has systemic lupus erythematosus (SLE). The nurse anticipates the infant might be born with: Note: Credit will be given only if all correct and no incorrect choices are selected
Select all that apply. 1. A tendency to bleed excessively. 2. An increased chance of developing infections. 3. A hemoglobin less than optimal for good health. 4. Problems with vision. 5. Hearing loss.