The Neurosurgical Procedure Called a Cingulotomy Is Sometimes Used to Relieve

question 46

Multiple Choice

The neurosurgical procedure called a cingulotomy is sometimes used to relieve severe symptoms of obsessive-compulsive disorder (OCD) .Why would a cingulotomy usually be considered only after drugs and psychological treatments had failed?

• A)Only about 30 percent of patients who undergo this procedure benefit substantially.
• B)There is a high risk of mortality associated with this procedure.
• C)Neuroscientists still aren't sure whether the cingulate bundle is involved in OCD.
• D)There are ethical concerns over the use of neurosurgery.

---

Definitions:

CCA Rate

Capital Cost Allowance Rate, which is the rate at which businesses in Canada can claim depreciation on certain assets for tax purposes.

Required Rate of Return

The minimum annual percentage return an investor expects to receive from an investment, considering its risk.

NPV

Net Present Value; a calculation used to assess the profitability of an investment by summing the present values of incoming and outgoing cash flows.

CCA Class

In Canadian taxation, a classification system for capital cost allowance that categorizes assets for depreciation purposes.