Which term is used to document a hernial protrusion of a saclike ...

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Which term is used to document a hernial protrusion of a saclike cyst through a defect in the posterior arch of a vertebra?
 
  a. Craniosynostosis
  b. Meningocele
  c. Encephalocele
  d. Myelomeningocele

Question 2

Patients diagnosed with myasthenia gravis often have tumors or pathologic changes in the:
 
  a. brain.
  b. pancreas.
  c. thymus.
  d. lungs.

[kbennett34]

Answer to Question 1

ANS: D
A myelomeningocele is a hernial protrusion of a saclike cyst (containing meninges, spinal fluid, and a portion of the spinal cord with its nerves) through a defect in the posterior arch of a verte-bra in the lower spine. Craniosynostosis is the premature closure of one or more of the cranial su-tures (saggital, coronal, lambdoid, metopic) during the first 18-20 months of the infant's life. A meningocele, a saclike cyst of meninges filled with spinal fluid, is a mild form of posterior neural tube closure defect. These can occur throughout the cervical, thoracic, and lumbar spine areas. An encephalocele refers to a herniation or protrusion of brain and meninges through a defect in the occipital region of the skull, resulting in a saclike structure.

Answer to Question 2

ANS: C
Patients diagnosed with myasthenia gravis experience tumors in the thymus, not the brain, the pancreas, or the lungs.

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[softEldritch]

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