CNS Cancers

1.       Cancer of the central nervous system (CNS) includes tumors of:

• Motor nerves

• Sensory nerves

• Brain & Meninges

• Brain & spinal cord

Which one of the following cancers is the most prevalent in central nervous system malignancies?

• Primary brain tumor  

• Metastatic brain tumor

• Primary spinal cord tumor

• Metastatic spinal cord tumor

__________ is the only definitive risk factor related to the development of CNS cancers.

• Genetic factors

• Ionizing radiation

•     Electromagnetic fields

• Chemical& Environmental factors

Basic anatomical and functional unit of the nervous system are:

• Glial cells

• Astrocytes

• Neurons

• Microglia

Glial cells provide all the following functions EXCEPT :

• Structural support

•   Basic structure

• Nourishment

• Protection

Which type of the cells can undergo anaplasia and are the major source of primary tumors of the CNS.

• Glial cells

•   Astrocytes

• Neurons

• Microglia

The majority of gliomas are

• Astrocytomas

•      Oligodendrogliomas

• Ependymomas

• Meningiomas

Brain is divided into____________ main areas.

• Five

• Four

• Three

•        Two

How many pairs of cranial nerves are part of the peripheral nervous system?

•   10

•      12

• 14

•      16

Which one of the following nursing interventions is helpful in venous drainage in a patient with raised intracranial pressure?

• Hip flexion

• Lying on the abdomen

• Elevating the head of the bed

• Positive end expiratory pressure