A client is clenching the jaw closed to avoid taking a prescribed oral medication. The nurse can use this observation to confirm the client is demonstrating motor function of which cranial nerve?

Glossopharyngeal

Trigeminal

Vagus

Facial

Answer and Explanation

The Correct Answer is B

A.   The glossopharyngeal nerve is involved in several functions, including taste sensation on the posterior third of the tongue, salivation, and the sensation of the pharynx. It also plays a role in swallowing and gag reflex. However, it is not responsible for the movement of the jaw or clenching of the jaw.
B.   The trigeminal nerve is responsible for sensation in the face and also controls the muscles of mastication (chewing). It has both sensory and motor functions. The motor branches of the trigeminal nerve, specifically the mandibular division, innervate the muscles that allow for jaw movement, including clenching.
C.   The vagus nerve has a broad range of functions, including regulating heart rate, digestive tract motility, and some aspects of speech and swallowing. It does not control jaw movement or clenching, so it is not relevant to this observation.
D.   The facial nerve controls the muscles of facial expression, including movements like smiling, frowning, and closing the eyes. It is not involved in the motor control of the jaw or clenching actions.

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Correct Answer is A

Explanation

A. A grade of 4/5 indicates that the patient can move the upper arms against gravity and can tolerate some resistance. This aligns with the description of the patient being able to move the arms against gravity and some resistance. A grade of 4 suggests that the strength is less than normal but still functional.
B. A grade of 2/5 means the patient can move the arms only with gravity eliminated, meaning they can move the arm when it is in a horizontal position but not against gravity. Since the patient can move the arms against gravity and some resistance, this grade is too low.
C. A grade of 5/5 indicates normal strength, where the patient can move the arm against full resistance with no difficulty. The description states that the patient can move the arms against gravity and some resistance, but not necessarily against full resistance, so 5/5 might be too high of a grade in this case.
D. A grade of 0 indicates no muscle contraction or movement at all. This grade would not apply since the patient is able to move the arms against gravity and some resistance.

A. Bursitis B. Meningitis C. Spondylitis D. Arthritis

Correct Answer is B

Explanation

A. Bursitis is the inflammation of the bursa, a small fluid-filled sac that reduces friction between bones and soft tissues. It typically causes localized pain and tenderness in the area of the bursa, often in the shoulders, elbows, or hips.

B. Meningitis is an infection or inflammation of the protective membranes covering the brain and spinal cord (the meninges). It often presents with symptoms such as fever, headache, neck stiffness, and photophobia. The neck stiffness, particularly difficulty flexing the head forward (nuchal rigidity), is a classic sign.
C. Spondylitis refers to inflammation of the spine. It can present with chronic back pain and stiffness but is typically associated with long-term symptoms rather than acute systemic symptoms like fever and chills. Conditions such as ankylosing spondylitis can cause chronic back pain and stiffness but are less likely to present with acute fever and headache.
D. Arthritis is inflammation of the joints and can cause pain, swelling, and stiffness in the affected joints. While arthritis can affect the neck (cervical spine arthritis), it typically does not present with systemic symptoms such as fever and chills unless there is an associated infection or inflammatory process.

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A client is clenching the jaw closed to avoid taking a prescribed oral medication. The nurse can use this observation to confirm the client is demonstrating motor function of which cranial nerve?

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Naxlex Comprehensive Predictor Exams

A patient is able to move both upper arms as follows: active movement against gravity, and some resistance. The nurse should document the muscle strength of the upper arms as:

Correct Answer is A

Explanation

Correct Answer is B

Explanation

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