During the assessment of a client's head and neck, the nurse observes the client's facial expressions and the face for symmetry and movement. Which cranial nerve is the nurse assessing?
VII
V
III
VI
The Correct Answer is A
A) VII: The facial nerve (cranial nerve VII) is responsible for controlling the muscles of facial expression. By assessing facial symmetry and movement, the nurse evaluates the integrity and function of this nerve, which is crucial for activities such as smiling, frowning, and raising eyebrows.
B) V: The trigeminal nerve (cranial nerve V) is primarily responsible for sensation in the face and motor functions such as chewing. While it plays a role in facial movement, it does not specifically assess facial expressions.
C) III: The oculomotor nerve (cranial nerve III) controls eye movement and pupil constriction. It does not directly influence facial expressions, so it is not the nerve being assessed in this context.
D) VI: The abducens nerve (cranial nerve VI) is responsible for lateral eye movement. It is unrelated to facial expression or symmetry and is not the focus of this assessment.
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Correct Answer is C
Explanation
A) +10: This score does not exist on the muscle function grading scale, which typically ranges from 0 to 5. Using +10 could confuse the assessment and misrepresent the client's strength.
B) +4: This score indicates good strength against some resistance but not full strength. It suggests that the client has nearly complete function but may still have some limitations in range or strength.
C) +5: This score signifies full muscle strength and complete range of motion in a joint without any limitations. A score of +5 is what you would expect for a client demonstrating full strength, indicating optimal muscle function.
D) +1: This score indicates trace muscle contraction with minimal movement, which is far from the full strength described in the question. It suggests severe weakness and would not apply in this case.
Correct Answer is B
Explanation
A) Dietary history from the patient: This information is subjective as it relies on the patient’s personal account of their eating habits, which may be influenced by memory or perception. It does not provide measurable data.
B) BMI (Body Mass Index): This is an objective measure calculated from a person’s height and weight. It provides quantifiable data that can be used to assess nutritional status and potential health risks associated with body weight.
C) Patient history of alcohol intake: This information is subjective as it is based on the patient’s self-report. It does not provide direct evidence and may vary depending on how the patient perceives their alcohol consumption.
D) Patient complaint of weight loss: This is also subjective data, as it relies on the patient’s perception of their weight change. It does not provide concrete measurements and can be influenced by various factors such as mood or misunderstanding of the situation.