When constructing a pedigree around a specific health problem, what is the minimal number of generations needed to assess the presence or absence of a genetic factor in disease development accurately?

A. 1
B. 2
C. 3
D. 4


C
At least three generations of family members need to be explored to even begin to rule in (or out) a possible genetic origin to a health problem. Such a problem could be identified in three generations if it had an autosomal dominant pattern of inheritance. If the problem is the result of a recessive gene or an X-linked gene, more than three generations would be needed to establish a pattern of inheritance.

Nursing

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The nurse must verify the dosage of IV heparin that a client is receiving. The IV contains heparin 25,000 units in 500 mL D5W. It is infusing at 20 mL/hr. The nurse knows that the client is receiving heparin at how many units per hour?

a. 50 units/hr c. 1000 units/hr b. 500 units/hr d. 1500 units/hr

Nursing

The concept of male or female gender is considered what type of concept?

A) Concrete B) Abstract C) Variable D) Nonvariable

Nursing

A community health nurse obtains data about the community from primary sources, including which of the following?

A) World Health Organization B) Community members C) State health department D) Other community health nurses

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Documents that provide instructions about the consumer's wishes for end of life care in the event the person is unable to communicate her wishes are

A) ethical practices. B) advance directives. C) the bill of rights. D) grievances.

Nursing