6. A male newborn has renal agenesis on the right. Which of the following primitive rudiments most likely failed to develop?OA) Intermediate mesodermOB) NotochordOC) Paramesonephric (müllerian) ductOD) Prechordal plateOE) Urogenital sinus

Development of human kidney starts early in the third week of embryonic development, with the…

Answered: 6. A male newborn has renal agenesis on…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter50: Animal Development

Section: Chapter Questions

Problem 4TYK

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19. A 5-year-old boy is found to have a fluid-filled mass that communicates with the umbilicus superiorly and the urinary bladder inferiorly. This mass is a remnant derived from which of the following structures? O OA) Allantois B) Mesonephric (wolffian) duct OC) Metanephric blastema OD) Paramesonephric (müllerian) duct E) Urorectal septum
4. The muscular system develops from which embryonic germ layer? a ) Ectoderm B ) Mesoderm D ) Endoderm
40. A 9-month-old boy is brought to the office for a follow-up examination. He has had six episodes of respiratory tract infections and has had frequent constipation since birth. He is unable to sit up or roll over. Laboratory studies show hypoparathyroidism. The most likely cause of these findings is failed development of which of the following embryologic structures? A) First pharyngeal groove B) First pharyngeal pouch C) Second pharyngeal groove D) Second pharyngeal pouch E) Third pharyngeal groove F) Third pharyngeal pouch
A full-term newborn has respiratory distress. Ultrasonography shows that the abdominal organs have eventrated into the let pleural cavity Anomal development of which di be blowing embryonic structures is the most likely cause of this condition? A) Esophageal mesoderm B) Mesoderm in the T7 dermatome OC) Pleuropericardial fold D) Pleuroperitoneal membrane
1. In Deuterostomes, nutrient molecules (monomers) are taken into the space between the endoderm and the ectoderm because a) the ectoderm makes protein for movement, b) the endoderm cells release hydrolytic enzymes that act on polymers, c) the endoderm releases enzymes that carry out dehydration synthesis of proteins. d) mRNA polymerase causes transcription. e) all are correct. 2.The Amoeba cell exhibits specialized abilities that enable it to react to a stimulus by producing a response or a behavior. It can do this because it has adapted properties exhibited by simpler more primitive cells. These cellular properties include a) Separation of the fluid environments inside and outside the cell. b) Active transport of Na+ out of and K+ into the cell, c) diffusion of Na+ in to and K+ out of a cell in reaction to a stimulus, d) the stimulus interacting with a receptor site in a membrane embedded protein, e) All of these are true.
The outermost (most superficial) extra embryonic membrane is____ a ) Allantois b ) Amnion d ) Ectoderm e ) Chorion
299. A 3 month infant is brought to the physician because of an upper respiratory tract infection. She has had intermittent tonic muscle contractions and two previous URI since birth. She has a low set, notched ears. Her serum calcium concentration is 4 mg/dL. Abnormal development of which go the following structures is most likely cause of her disorder? A) First and second branchial grooves B) First and second pharungeal pouches C) Second branchial groove and second pharyngeal pouch D) Third and fourth branchial grooves E) Third and fourth pharyngeal pouches
44. A full-term newborn has respiratory distress. Ultrasonography shows that the abdominal organs have eventrated into the left pleural cavity. Abnormal development of which of the following embryonic structures is the most likely cause of this newborn's condition? A) Esophageal mesoderm B) Pleuropericardial fold C) Pleuroperitoneal membrane D) Tracheoesophageal septum
33. Which of the following events in the formation of the urogenital system is most likely to occur during normal development of an embryo with a 46,XX genotype? A) Estrogen causes the urogenital primordia to differentiate into female structures B) The mesonephric (wolffian) ducts regress because of the absence of androgen C) Paramesonephric (müllerian) duct-inhibiting factor (antimüllerian duct hormone) induces the differentiation of the urogenital primordia D) The paramesonephric (müllerian) ducts develop in response to a factor secreted by the ovary E) Testosterone induces the regression of the paramesonephric (müllerian) ducts
A)Identify two differences (either structures or functions) between gills and lungs in terms of how oxygen is captured from the environment. B) Create a table that compares spermatogenesis and oogenesis. Include a bit of information about the hormonal control of reproduction in the comparison.
2 137. A 17-week fetus is developing normally. She has age-appropriate external female genitalia and a developing uterus, vagina, and falopan tubes. Which of the blowing is the most by explanation for this normal developmental process? A) Absence of functional fetal testicular tissue OB) Migration of primordial germ cells OC) Presence of functional fetal ovarian tissue OD) Presence of maternal estrogen OE) Presence of primary sex cords 3
THE FATE OF THE 1ST OPENING IN THE PROTOSOMES AND THE 2ND OPENING IN THE DEUTEROSTOMES IS DETERMINED BY? A) CHONDROCYTES B) OSTEOCYTES C) NEUROCYTES D) MYOCYTES E) MESODERM

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6. A male newborn has renal agenesis on the right. Which of the following primitive rudiments most likely failed to develop? OA) Intermediate mesoderm OB) Notochord C) Paramesonephric (müllerian) duct OD) Prechordal plate E) Urogenital sinus