What of the following is true concerning fertilization in mammals?Multiple choice question.The nuclear membrane surrounding each haploid nucleus breaks down and a new membrane forms around the two haploid nuclei.The nuclear membrane surrounding the haploid nuclei breaks down and a new membrane forms around each haploid nucleus forming two new haploid nuclei.The haploid nuclei of the sperm and egg fuse to form a diploid nucleus.

During fertilization, two diploid gametes fuse to form a haploid organism.Choose 1 answer:Choose 1 answer:(Choice A)   trueAtrue(Choice B)   falseBfalse

61. Which statement best describes when fertilization occurs?*1 pointA. When the spermatozoon passes into the ovum and the nuclei fuse into a single cell.B. When the embryo attaches to the uterine wallC. When the sperm and the ova undergo developmental changes resulting in a reduction in the number of chromosomesD. When the ovum is discharged from the ovary near the fimbriated end of the fallopian tube62. It contains the testes, epididymis and the lower portion of the spermatic cord.*1 pointA. Leydig cellB. ScrotumC. Prostate glandD. Seminiferous tubules63. An additional hollow tube surrounded by arteries and veins and protected by thick fibrous coating.*1 pointA. Vas deferensB. UrethraC. Ejaculatory ductD. Epididymis64. Which of the following statement is true?*1 pointA. The testicle maintains a body temperature similar to the scrotumB. Scrotum reacts to its environment and constrict on hot weatherC. Estrogen is responsible for primary female sex characteristicsD. Pubic hair and axillary hair development is a result of androgen production65. The following statement is true regarding Vas Deferens:*1 pointA. It carries sperm from the epididymis through the inguinal canal into the abdominal cavity, where it ends at the seminal vesicles and the ejaculatory ducts.B. The length is controversial, approximately 20 ft long.C. Sperm mature as they pass through the vas deferensD. It acts as reservoir for sperm between ejaculations.66. The uterine layer responsible for expelling the fetus during birth is the:*1 pointA. EndometriumB. MyometriumC. ParametriumD. Decidua67. What part of the fallopian tube is the site for fertilization? *1 pointA. InfundibulumB. Inner thirdC. MidwayD. Outer third68. The ovary will release the egg cell once it is mature. What is the term used for mature ovum?*1 pointA. Primary follicleB. Graafian folliclesC. Primordial follicleD. Oogenesis69. The patient complains of dyspareunia, one factor would be lack of lubrication. What gland is responsible for lubrication of the distal vagina?*1 pointA. Vulvovaginal glandB. Bulbourethral glandC. Paraurethral glandD. Skene’s gland70. If Aime’s Last menstrual period was May 27, her menstrual cycle is 28, when does her ovulation starts? *1 pointA. May 31B. June 10C. June 9D. June 871. What is the life span of the ovum once it is released by the ovary?*1 pointA. 72 HRSB. 24 HRSC. 12 HRS.D. 5 Days72. An 18-year-old women in her 8th week of pregnancy is being evaluated. Which positive sign of pregnancy should the nurse expect to be present?*1 pointA. Visualization of the fetus by ultrasound examinationB. Fetal heart tones detectable by a fetoscopeC. Fetal heart tones detectable by Doppler stethoscopeD. Fetal movement detectable by palpation73. The umbilical cord contains:*1 pointA. Two veins and two arteriesB. Two arteries and one veinC. One vein and one arteryD. Two veins and one artery74. You plan to review normal menstruation with an early adolescent. You would teach that during the second half of a typical menstrual cycle, the endometrium of the uterus becomes:*1 pointA. Thin and transparent due to progesterone stimulationB. Twisted and ragged due to estrogen releasedC. Thick due to HCGD. Corkscrew-like due to progesterone released75. In a regular 32-day menstrual cycle, the client will probably ovulate:*1 pointA. On day 22B. On day 18C. On day 11D. 10 days after the start of the last menses76. The following are characteristics of normal sperms. Which one is not included?*1 pointA. Life span is 72 hoursB. pH is acidicC. Normal count is 50-120 million per mlD. Volume per ejaculation is 3-5 ml77. A pregnant client asks you about fetal development. At approximately what gestational age does the fetus’ single and chambered heart begin to beat and pump its own blood cells through main blood vessels?*1 pointA. 10 weeksB. 8 weeksC. 5 weeksD. 3 weeks78. This layer of cells is instrumental in the production in the production of HCG, HPL, estrogen and progesterone.*1 pointA. TrophoblastB. BlastocystC. CytotrophoblastD. Syncytiotrophoblast79. The GTPAL system is used to document a client’s previous pregnancies. Which phrase does TPAL stands for?*1 pointA. Total neonates, Pretem neonates, Anacephalic neonates and live births.B. Total neonates, Problem pregnancies, Abortions and Live births.C. Term neonates, Preterm neonates, Anacephalic neonates and Live birthsD. Term neonates, Preterm neonates, Abortions, and Living children80. Referred to as the “hormone of mothers”*1 pointA. HCGB. HPLC. EstrogenD. Progesterone

Identify the first step of fertilization in terrestrial animals.Multiple choice question.Fusion of nucleiSperm penetration and membrane fusionEgg activationCleavage

Multiple Choice QuestionIn terrestrial animals, the last step of fertilization is the Blank______.Multiple choice question.fusion of nucleicleavageblastulationegg activation

What is the status of the nucleus in the sperm and the egg as they meet, just prior to fertilisation occurring?:Group of answer choicesd. Sperm are not fully haploid but female are haploidb. Neither sperm and egg are haploidc. Sperm are haploid but female are not fully haploida. Both sperm and egg are haploid