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26 Cards in this Set

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The major arterial supply for the hindgut is the:
Inferior mesenteric artery
The midgut segmnet caudal to its junction with the yolk sac becomes the:
Cecal diverticulum
Liver
Foregut
Lungs
Foregut
Ileum
Midgut
Parathyroid glands
Pharyngeal pouches
Cecum
Midgut
Descending colon
Hindgut
Urachus
Allantois
Most of the urinary bladder
Hindgut
Pancreas
Foregut
Jejunum
Midgut
Transverse colon, distal one-half
Hindgut
Tranverse colon, proximal one-half
Midgut
Pylorus
Foregut
Variable growth of the cecum causes variable positioning of the appendix; most common is a:
Retrocecal appendix
A neonate has a membrane-covered sac of intestines protruding through the umbilicus.
Omphalocele
A 6-month old has had intermittent vomiting, irritability, and a tender abdomen, waking her up from sleep on two occasions. She presents to the ER with a tense, painful abdomen, decreased bowel sounds, and bloody diarrhea.
Midgut volvulus
A three-year-old boy is brought for evaluation of a protrusion from his umbilicus. The protruding mass is covered by skin and can be pushed back through the umbilicus. Auscultation of the mass reveals bowel sounds.
Umbilical hernia
A thirty-year-old man presents with severe abdominal pain and indigestion. The abdominal exam reveals normal bowel sounds, no masses, normal liver and spleen. Stool guiac is positive for occult blood. He is observed for possible appendicitis, but his white blood cell count and temperature remain normal.
Meckel diverticulum
The pectinate line marks the division between:
Hindgut endoderm from ectoderm of the proctodeum
The perineal body, the center of the perineum in adults, is the point of:
Fusion between the urorectal septum and the cloacal membrane.
A one year old with Down syndrome has had 2 urinary tract infections, and chronic constipation. The mother reports that the child strains at the stool, and that the stool is well-formed but narrow. Rectal exam discloses a narrow canal filled with soft stool.
Partial anorectal agenesis with fistula
A one year old without medical problems presents for evaluation of chronic constipation with intermittent diarrhea. Rectal exam discloses a dilated, empty rectal ampulla and a small punch biopsy of the rectum reveals a paucity of autonomic neurons.
Hirschsprung anomaly
A newborn presents with distended abdomen, hyperactive bowel sounds, and no documented passage of meconium upon review of the nursing notes. Rectal examination reveals a normal anal opening able to admit only the tip of the finger. Inspection of the open anus shows a bluish membrane that bulges with attempts at defecation.
Imperforate anus
A newborn has a mass protruding from the umbilicus. A thin membrane covers the intestines, and there is no sign of intestinal gangrene. This is most likely an example of:
Omphalocele