Anursing diagnosis is a clinical judgment concerning an undesirable human response to a health condition/life process that exists in an individual, family, group, or community.

A problem-focused nursing diagnosis is a clinical judgment concerning an undesirable human response to a health condition/life process that exists in an individual, family, group, or community.

Explanation:

A nursing diagnosis can be described as a clinical judgement that depends on human responses towards different health conditions. It helps to determine the nursing priorities.

A problem-focused nursing diagnosis determines the problem of the client at the time of the nursing assessment. For example, the anxiety of the patient, chronic pain.  

The answer is True

1. Bilaterian are triploblastic possessing three germ layers.

2. They are bilaterally symmetrical.

3. They are basically invertebrates thus lacking a back bone.