Which of the following happens during the first trimester of pregnancy?Group of answer choicesC) The cervix thins and begins to stretch.B) A woman can no longer tell if she’s pregnant by using a urine test.D) The zygote implants itself in the lining of the uterus.A) Chemical messages are sent to the brain to start menstruation.

11.  Pregnancy causes multiple body changes that are normal but can cause discomfort.  Which                  change does not normally occur during the first trimester?*1 pointA. HemorrhoidsB. Increased vaginal dischargeC. Breast tendernessD. Fatigue12.  Which of the following placental hormones are commonly employed tests for pregnancy to detect?*1 pointA. EstrogenB. ProgesteroneC. Human Placental LactogenD. Human Chorionic Gonadotrophin13. A woman tells you she has difficulty achieving orgasm. Orgasm in females results mainly from*1 pointA. Penile PenetrationB. Clitoral StimulationC. Uterine StimulationD. Arousal14. Jessica, 21-year-old student, approached you one afternoon asking about her fertile days. She stated that her cycle is 26 and she had a contact with her boyfriend, Mike, last July 12. Her last menstrual period was on July 1 and ended on July 5. Was Jessica fertile on the time she had contact with her bf?*1 pointA. Yes, she is fertileB. No she isn’tC. Fertility will be 2 days after the contactD. Fertility happens 2 days before the contact15. The nurse is palpating the uterus of a client who is 20 weeks pregnant to measure the fundal height. Which area of the abdomen where the nurse should expect to feel the uterine fundus?*1 pointA. On the level of umbilicusB. Symphysis pubisC. Near xyphoid processD. Between symphysis pubis and umbilicus16. What body structure is responsible for the production of Follicle-Stimulating Hormone (FSH)?*1 pointA. TestesB. Anterior Pituitary GlandC. HypothalamusD. Ovaries17. It serves as the fetal lungs, kidneys, gastrointestinal tract and a separate endocrine organ throughout pregnancy.*1 pointA. PlacentaB. Umbilical CordC. Amniotic FluidD. Decidua18. This vein allows oxygenated blood to move directly from the right to the left side of the heart.*1 pointA. Foramen OvaleB. Ductus VenosusC. Ductus ArteriosusD. Vena Cava19. A phospholipid substance produced by the alveolar cells on the 24th week of gestation that decreases alveolar surface tension on expiration preventing respiratory distress syndrome to the newborn.*1 pointA. SurfactantB. ProstaglandinC. AmnonD. Chorion20. The hormone responsible for muscular development, physical growth and increase in sebaceous gland in both boys and girls.*1 pointA. ProgesteroneB. OxytocinC. AndrogenD. Estrogen21. This gland secretes a thin alkaline fluid in which 60% of semen is derived from this structure.*1 pointA. Skene's GlandB. Bartholin's GlandC. Prostate GlandD. Cowper's Gland22. Are two folds of adipose tissue covered by loose connective tissue and epithelium?*1 pointA. Labia MajoraB. Labia MinoraC. Mons VenerisD. Mons Pubis23. The structure that is cut before birth of a child to enlarge the vaginal opening.*1 pointA. HymenB. PrepuceC. Perineal MuscleD. Fourchette24. This serves the important function of constricting the tubal junctions and preventing regurgitation of menstrual blood into the tubes.*1 pointA. EndometriumB. PerimetriumC. MyometriumD. Epithelium25. It produces the amniotic fluid.*1 pointA. Chorionic MembraneB. Amniotic MembraneC. Decidua BasalisD. Decidua Vera26. It acts as a protective mechanism for the fetus against a blow on the mother’s abdomen.*1 pointA. Amniotic FluidB. Umbilical CordC. PlacentaD. Deciduas27. This provides a circulatory pathway connecting the embryo to the chorionic villi.*1 pointA. Amniotic FluidB. Wharton's JellyC. SurfactantD. Umbilical Cord28. A 15-year-old female visits the clinic for a routine examination. The nurse notes that she exhibits changes in her appearance that commonly occur during pregnancy, including an increase in breast size. Which hormone is partly responsible for the growth and increase vascularity of breast tissue during pregnancy?*1 pointA. HCGB. EstrogenC. FSHD. Progesterone29. A pregnant woman comes to the clinic complaining of nasal stuffiness. Nasal stuffiness during pregnancy is caused by:*1 pointA. Increased Cardiac OutputB. HCGC. EstrogenD. Progesterone30. Fainting is common in pregnant clients during the first trimester due to:*1 pointA. HypertensionB. HyperventilationC. HyperglycemiaD. Hypoglycemia

Which of the following occurs during the germinal period?Multiple choice question.The heart begins to beat.The zygote becomes an embryo.The zygote attaches to the uterine wall.The neural tube develops.

During which stage of development is the egg fertilized by the sperm and the zygote undergoes cleavage?Multiple choice question.Embryonic periodFetal periodPre-embryonic period

Which of the following describes the embryonic period?Group of answer choicesall of thesethe period during which the umbilical cord developsthe period during which the major organs and structures of the organism first developthe period during which the zygote moves down to the uterus and begins to implant in the lining

A 28-year-old female presents to the obstetrics office, suspecting she may be pregnant. Which of the following would the nurse recognize as a presumptive sign of pregnancy?A. AmenorrheaB. Positive fetal cardiac activity on ultrasoundC. Enlarged uterusD. Auscultation of fetal heart tones