BIO202_MH_V3_Topic 13: Human Development, Growth and Aging (GRADED A+)

Page path  BIO202_MH_V3  Topic 13: Human Development, Growth and Aging Started on Friday, October 22, 2021, 8:49 PM State Finished Completed on Friday, October 22, 2021, 9:14 PM Time taken 25 mins 1 sec Grade 40 ...

Page path  BIO202_MH_V3  Topic 13: Human Development, Growth and Aging Started on Friday, October 22, 2021, 8:49 PM State Finished Completed on Friday, October 22, 2021, 9:14 PM Time taken 25 mins 1 sec Grade 40.00 out of 40.00 (100%) Question 1 Correct 2.00 points out of 2.00 Flag question Question text Which of the following is involved in stimulating milk letdown? Select one: a. increased estrogen levels b. increased progesterone levels c. mechanical stimulation of the breasts that cause release of oxytocin d. secretion of a small amount of milk e. None of these choices is correct Question 2 Correct 2.00 points out of 2.00 Flag question Question text What is the acrosomal reaction? Select one: a. The formation of the acrosome in the epididymis b. The activation of enzymes for action on the surface of the egg c. The release of ADP from the mitochondria on the midpiece d. The release of prostatic fluid to produce the semen Question 3 Correct 2.00 points out of 2.00 Flag question Question text Identify the hormone secreted during pregnancy that cause the ducts of the mammary glands to grow and branch when in high levels. Select one: a. Estrogen b. Progesterone c. Prolactin d. Growth hormone Question 4 Correct 2.00 points out of 2.00 Flag question Question text The hormone responsible for milk production is Select one: a. estrogen. b. progesterone. c. oxytocin. d. prolactin. e. FSH. Question 5 Correct 2.00 points out of 2.00 Flag question Question text The hormone(s) responsible for preparing the breasts for lactation during pregnancy is (are). Select one: a. estrogen. b. progesterone. c. oxytocin. d. prolactin. e. both estrogen and progesterone. Question 6 Correct 2.00 points out of 2.00 Flag question Question text A patent ductus arteriosus means that the _____ did not close. Select one: a. intraatrial septum b. intraventricular septum c. connection between the pulmonary trunk and the aorta d. connection between the inferior vena cava and the abdominal aorta e. umbilical arteries and veins Question 7 Correct 2.00 points out of 2.00 Flag question Question text The major difference between an embryo and a fetus is that Select one: a. a fetus can survive outside the mother's womb but an embryo cannot. b. a fetus is smaller than an embryo. c. organ systems are developing in an embryo while all organs are present in a fetus. d. a fetus is a male child while an embryo is a female child. e. None of these choices is correct. Question 8 Correct 2.00 points out of 2.00 Flag question Question text Which of the following will cause contractions of uterine smooth muscle? Select one: a. increasing levels of progesterone b. decreasing levels of estrogen c. decreasing levels of oxytocin d. decreasing uterine stretch e. increasing levels of oxytocin Question 9 Correct 2.00 points out of 2.00 Flag question Question text What structure forms the lower jaw? Select one: a. mesonephros b. mandibular processes c. neural tube d. secondary palate e. somites Question 10 Correct 2.00 points out of 2.00 Flag question Question text The common junction of the digestive, urinary, and genital systems is the Select one: a. cloaca. b. coelom. c. allantois. d. hindgut. e. anus. Question 11 Correct 2.00 points out of 2.00 Flag question Question text Which of the following organ systems is derived from all three germ layers? Select one: a. nervous b. cardiovascular c. endocrine d. integumentary e. skeletal Question 12 Correct 2.00 points out of 2.00 Flag question Question text Puberty in females occurs _____ than in males. Select one: a. earlier b. later c. at the same time Question 13 Correct 2.00 points out of 2.00 Flag question Question text Increased lipid deposits in the tunica intima of large arteries is called Select one: a. atherosclerosis. b. arteriosclerosis. c. a thrombus. d. an embolus. e. hardening of the arteries. Question 14 Correct 2.00 points out of 2.00 Flag question Question text Many of the emotional characteristics of a person are formed during Select one: a. infancy. b. early childhood. c. adolescence. d. adulthood. e. neonatal period. Question 15 Correct 2.00 points out of 2.00 Flag question Question text An infant who has just started cooing and gurgling in response to smiles and attention from its parents is about _____ months old. Select one: a. two b. four c. six d. eight e. ten Question 16 Correct 2.00 points out of 2.00 Flag question Question text Pulling to a standing position is a typical milestone for which age? Select one: a. 6 weeks b. 6 months c. 12 weeks d. 12 months e. 18 weeks Question 17 Correct 2.00 points out of 2.00 Flag question Question text Most congenital birth defects are caused by Select one: a. inherited traits. b. lack of oxygen to the fetus. c. viral infections during pregnancy. d. unknown causes. e. None of these choices is correct. Question 18 Correct 2.00 points out of 2.00 Flag question Question text Failure of the neural tube to close in the region of the head results in Select one: a. anencephaly. b. ventricular enlargement. c. cleft palate. d. soft spots on the skull. e. hydrocephaly. Question 19 Correct 2.00 points out of 2.00 Flag question Question text If the secondary palate does not fuse the result is a Select one: a. cleft palate. b. cleft throat. c. facial cleft. d. cleft lip. e. cleft tongue. Question 20 Correct 2.00 points out of 2.00 Flag question Question text In some neonates the foramen ovale does not close to form the fossa ovalis. This would be called a(n) _____. Select one: a. mutation b. congenital disorder c. teratogen d. genetic anomalY