A cell was isolated from the CNS. A researcher revealed that its main function was to clear cel-lular debris. What type of cell is the researcher studying?
a. Astrocyte
b. Ependymal cell
c. Microglia
d. Schwann cell
ANS: C
Microglia remove debris (phagocytosis) in the CNS. Astrocytes and ependymal cells are neu-roglial cells and do not have phagocytic properties. Schwann cells help form the myelin sheath in the peripheral nervous system (PNS).
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The nursing instructor is teaching her students about monitoring a patient with increased ICP. What is a trend of ICP measurements over time an important indication of?
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The nurse would evaluate the need for no further instructions if the postcystometry patient says that he or she understands that he or she should (select all that apply):
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Which types of clots are thrombolytic events? (Select all that apply.)
a. Scab b. Thrombus c. Embolus d. Clotted intravenous catheter e. Fat embolus
The client with a headache rates the pain at a 3 on a 1–10 scale. Which medication would the nurse administer?
1. Sumatriptan (Imitrex), subcutaneous 2. Dihydroergotamine (D.H.E.45) intranasally 3. Butorphanol (Stadol) IM 4. Ibuprofen (Motrin) PO