Growth & Development Final Exam solved.pdf

Growth & Development Semester 2 - Final Exam 2021-2022 1. If the cytosine content in a double helical DNA is 20%, the content of Adenine is: a) 10% b) 40%...

Growth & Development Semester 2 - Final Exam 2021-2022 1. If the cytosine content in a double helical DNA is 20%, the content of Adenine is: a) 10% b) 40% c) 30% d) 20% 2. Which of the following is the most important cause of a) Child abuse b) Accidents c) Maternal smoking d) Malnutrition 3. Cells which gives origin to all layers of embryo is: a) Hypoblast b) Epiblast c) Trophoblast d) Amnioblast 4. The internal female genital organs include: a) Labia majora b) Mons pupils c) Vagina d) Clitoris 5. Fetal life period screened markers can be described as: a) From week 3 to eighth b) At 6 weeks of development c) Beginning at 9 weeks and extended to the time of birth d) Development of the embryonic plate at three weeks of life 6. Which of the following is function of the placenta? a) Prevent adherence b) Shock absorption c) Movement of fetus d) Transport of nutrients 7. Regarding exclusive breastfeeding, which of the following statements is true? a) Starts in the second week of life b) Glucose water can be given after the first hours of birth c) It is remedy for engorged breasts d) It is mandatory in the first 6 months of life with addition of some 8. First day of LMP - August 4th, 2007, the expected date of delivery is: a) May 11th, 2008 b) June 11th, 2008 c) July 11th, 2008 d) May 15th, 2008 9. One of the following is NOT derived from the ectoderm: a) Myotomes b) Retina of the eye c) Adrenal medulla d) Inner ear 10. A child of 2 years of age has one of the following patterns: a) Slow uncontrolled b) Rapid uncontrolled c) Rapid controlled d) Slow controlled 11. A fetus was born during the sixth or the beginning of the seventh month, which of the following statements is true? a) The Lymphatic and Cardiovascular systems have not differentiated b) The Digestive and Urinary systems have not differentiated c) The Endocrine and Autonomic nervous systems have not differentiated d) The Respiratory and Central nervous systems have not differentiated 12. If the development of the embryo is deficit: a) Embryonic plate differentiate b) Menstrual period continues c) Conceptus is aborted d) The corpus luteum continues to secrete hormones 13. The following phase is not considered a menstrual cycle phase: a) Secretory phase b) Follicular phase c) Menstrual phase d) Proliferative phase 14. Transcription and translation of a gene composed of 60 nucleotides produces how many proteins? a) 20 b) 60 c) 30 d) 40 15. In nucleic acid, the bases are always attached to the ____ carbon. a) 4’ b) 1’ c) 3’ d) 2’ 16. The embryonic period is the period from: a) 4th to 9th week b) 3rd to 8th week c) 4th to 6th week d) 2nd to 6th week 17. Normal Labor is manifested by: a) Bleeding after delivery b) Takes 8 to 12 hours c) Abnormal presentation d) Abnormal lie 18. Which of the following enzymes is a part of ribosomal large subunit? a) Aminoacyl-tRNA synthetase b) Peptydale transferase c) Transaminase d) RNA polymerase 19. Growth and reproduction of human have similarities that are shown by: a) Fusion of gametes at the first day of development b) Development of primitive cells c) The burst of adolescence d) Determined by the genetic blueprint 20. During the replication of DNA, the DNA-Gyrase function is: a) To initiate the synthesis of RNA primers b) To join the nascent chain and Okazaki fragments c) to relieve the torsional strain caused by unwinding d) DNA proofreading and repair 21. Common site of ectopic pregnancy is: a) Ovary b) Cervix of the ovary c) Uterine tube d) Vagina 22. Ovulation is triggered by a surge of ______ production. a) Progesterone b) Estrogen c) FSH d) LH 23. Which of the following structures has no mesoderm? a) Somites b) Cloacal membrane c) Yolk sac d) Notochord 24. Implantation at day 9 is: a) Partial b) More deep c) Complete d) None of the above 25. Fetal part of the placenta is: a) Decidua basalis b) Chorionic frondosum c) Decidua cells d) Chorionic laeve 26. The umbilical cord contains: a) One umbilical artery and one umbilical vein b) Two umbilical artery’s and one umbilical vein c) One umbilical artery and Two umbilical veins d) Two umbilical artery’s and two umbilical veins 27. Which of the following organs estimates the age of the fetus? a) Primitive pit b) Primitive streak c) Somites d) Notochord 28. One of the following statements about reproductive again is true regarding females rather than males ? a) Ova continues to be produced throughout life b) Experience a variety of psychological mood swings c) No age at which reproductive function normally stops d) Menopause is a sign of ovarian follicles depletion 29. Which of the following hormones does NOT regulate the menstrual or ovarian cycle? a) TSH b) Progesterone c) LH d) Estrogen 30. What would be the effect of a mutation in the operon? a) The lac operon would be repressed permanently b) The lac operon would not be expressed c) The lac l gene would not be expressed d) There would be constitutive expression of the lac operon 31. The following is an example of RNA dependent DNA enzyme: a) RNA polymerase b) Reverse transcriptase c) DNA polymerase d) Primase 32. The proteins that block the passage of RNA polymerase is called: a) Activators b) Operator c) Repressors d) Stop codon 33. Most of the major malformations are produced during the process of: a) Oogenesis b) Fetogenesis c) Embryogenesis d) Gametogenesis 34. Which of the following cells has 23 chromosomes? a) Spermatogonia b) Primary spermatocyte c) Secondary spermatocyte d) Spermatozoa 35. The most important control of gene expression is used during: a) Translation b) Transcription c) Replication d) Acetylation 36. Site of fertilization is: a) Uterus b) Ovaries c) Uterine tube d) Vagina 37. At which of the following ages child can appreciate death as an irreversible process? a) 2 Years b) 5 Years c) 14 Years d) 7 Years 38. The second week of development is also called the week of two’s, in which of the following that is shown? a) Two Cavities ( Thoracic & Abdominal) b) The extraembryonic mesoderm is divided into two ( Somatopeluric c) The embryoblast forms the Cytotrophoblast and the syncytiotrophoblast d) The Trophoblast differentiate into Epiblast and hypoblast 39. Monozygotic twins usually have: a) One amnion b) Two placentas c) Two chorions d) One chorion 40. Some patients with familial hypercholesterolemia produce a truncated form of the LDL receptor, termed the “Lebanese” allele, which lacks three of the five domains of the protein and causes it to be retained in the endoplasmic reticulum. Analysis of the mutant gene indicated that the sequence of the protein was normal up to the point where it terminated. The genetic change that produced the mutant LDL receptor in these cases can be classified as which type of mutation? a) Missense b) Nonsense c) Silent d) Frameshift 41. Which of the following systems is not mature by the time beginning a) Neural and Musculoskeletal systems b) Respiratory system c) Urinary system d) Digestive system 42. The average pregnancy is _____ weeks from the last period which is _____ days. a) 38 , 266 b) 36, 277 c) 36 , 245 d) 35 , 278 43. Which factor of the following might distinguish the height of the male & female fetus during conception? a) The restriction of the uterus b) Placenta chorionic hormones c) Uterine contractions d) The size of the placenta 44. Child with pelvic flatter in prone position, start to developing head control when he is at: a) 10 Months b) 5 Months c) 3 Months d) 6 Weeks 45. A two days old neonate was bought because of poor feeding affected with jaundice, the history of his mother that has a fever and vaginal discharge.The most relevant investigation to the neonate is a) TORCH screen b) Blood culture c) Lumber puncture d) C reactive protein 46. Which of the following sequences would be produced from the transcription of UAGCUACGU? a) ATCGATGCA b) ACGTAGCTA c) AUCGAUGCA d) ACGUAGCUA 47. The following predicts the correct developmental age of a child which moves objects from hand to hand, using double babbles words DADA & MAMA, his estimated age is: a) 7 Months b) 5 Months c) 12 Months d) 10 Months 47. Match: Identical twins Embryoblast Teratogen Endoderm Compaction Bilaminar germ disk Spermiogenesis Second polar body Primordial germ cells Graafian follicle 1. During fertilization Second polar body 2. Parenchyma of Thyroid Endoderm 3. Monozygotic Identical twins 4. Second week Bilaminar germ disk 5. Third week Primordial germ cells 6. Secondary oocyte Graafian follicle 7. Blastocyst Impaired glucose tolerance 8. Spermatid Spermiogenesis 9. Morula Compaction 10. Third to eighth week Teratogenic period  48. Complete the following by choosing the correct word: Syndrome Second week Maternal Amniocentesis Zona Pellucida Umbilical cord Ninth week Angiogenesis Buccopharyngeal Cleavage a. Effect of teratogen depends on the Maternal and fetal genotype, the stage of development during the exposure. b. The Amnion is a large sac containing amniotic fluid in which the fetus is suspended by its Umbilical cord. c. The fetal period extends from the Ninth week of gestation until birth. d. Amniocentesis is a procedure in which a needle is placed in the amniotic cavity and fluid sample is withdrawn. e. A Syndrome is a group of anomalies occurring together that have a specific common cause. f. At its cephalic end, the foregut is temporarily bounded by an ectodermal-endodermal membrane called Buccopharyngeal membrane. g. Blood vessels form in two ways: vasculogenises & Angiogenesis. h. By the end of the Second week the blastocyst is completely embedded & the surface defect in the mucosa healed. h. Cleavage is a series of mitotic division that lead to an increase in cells. i. The acrosome reaction is when acrosin and trypsin-like substances are released to penetrate the Zona Pellucida. 49. This anomaly is due to persistence of which structure? a) Notochord b) Neural tube c) Primitive streak d) Primitive node 50. Choose the correct statement: a) A is vagina & B is the uterine tube B A b) A is myometrium & B is the ovary c) A is the perimetrium & B is the ovary d) A is the endometrium & B is the ovary 51. The image shows the _________ villus. a) Primary b) Secondary c) Tertiary d) Umbilical 52. Choose the correct statement: a) A is the prostate & B is the scrotum b) A is the testis & B is the penis B c) A is the epididymis & B is the scrotum d) A is the scrotum & B is the penis A 53. This karyotype belongs to: a) Down syndrome b) Klinefelter syndrome c) Edward syndrome d) fetal alcohol syndrome 54. This karyotype belongs to: a) Down syndrome b) Klinefelter syndrome c) Edward syndrome d) Patau syndrome 55. The labeled structure by the arrow is: a) Corona radiata b) Theca interna c) oocyte membrane d) Zona Pellucida 56. Regarding the following image, which of the Following statements is true? a) Sex cannot be determined b) Fetus assumes human form c) Fetal head is one third the CR length d) Ossification terminates 57. The milestone age is: a) 2-4 Years b) 7 Years c) 9 Months d) 18 Months 58. Choose the milestone age: a) 7 Years Pencil skills b) 2 Years c) 10 Months d) 4 Years 59. Milestone age is: a) 10-12 Months b) 1 Year c) 3-5 Months d) 6-8 Months