A nurse prepares an educational session on the importance of oral hygiene. Which teaching tip should be included in the section about preventing gingivitis?

A firm toothbrush is most effective in plaque removal.

Brushing more than twice per day irritates the gums.

Ensure that dental restorations fit well.

Avoid flossing if there is bleeding at the gumline.

Answer and Explanation

The Correct Answer is C

Choice a reason:
A firm toothbrush is not recommended for plaque removal as it can damage the gums and tooth enamel. Soft-bristled toothbrushes are preferred because they are effective at removing plaque while being gentle on the gums and enamel.

Choice b reason:
Brushing more than twice per day does not necessarily irritate the gums unless done with improper technique or with a hard-bristled toothbrush. It is important to brush gently with a soft-bristled toothbrush and to use fluoride toothpaste to maintain oral hygiene and prevent gingivitis.

Choice c reason:
Ensuring that dental restorations such as fillings and crowns fit well is crucial in preventing gingivitis. Poorly fitted restorations can trap food particles and bacteria, leading to plaque buildup and gum inflammation. Regular dental check-ups can help ensure that restorations remain intact and do not contribute to gingivitis.

Choice d reason:
Flossing should not be avoided even if there is bleeding at the gumline. Bleeding can be a sign of gingivitis, and flossing can help remove the plaque and bacteria causing the inflammation. If bleeding persists, it is important to consult a dentist.

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Correct Answer is C

Explanation

Choice A Reason:
The facial nerve, or cranial nerve VII, is responsible for the taste sensation in the anterior two-thirds of the tongue, not the posterior third. It carries taste sensations from the front part of the tongue via the chorda tympani branch.

Choice B Reason:
The abducens nerve, or cranial nerve VI, has no role in taste sensation. It is primarily involved in controlling the lateral rectus muscle of the eye, which abducts the eye.

Choice C Reason:
The glossopharyngeal nerve, or cranial nerve IX, provides special sensory innervation for taste to the posterior third of the tongue. This enables the sensation of various tastes like salty, sweet, sour, and bitter in this region.

Choice D Reason:
The hypoglossal nerve, or cranial nerve XII, is responsible for motor control of the tongue muscles but does not provide sensory innervation for taste.

A. Rhinitis medicamentosa B. Acute bacterial sinusitis C. Epistaxis D. Allergic rhinitis

Correct Answer is B

Explanation

Choice A Reason:
Rhinitis medicamentosa, also known as rebound congestion, is a condition of nasal congestion without other cold or allergy symptoms, typically caused by the overuse of nasal decongestant sprays. It does not usually present with chronic headaches or tenderness over the sinuses, which are more indicative of sinusitis.

Choice B Reason:
Acute bacterial sinusitis is likely the correct diagnosis in this scenario. It often follows a viral upper respiratory infection and presents with symptoms such as thick, discolored nasal mucus, decreased sense of smell, and facial pain or tenderness over the affected sinuses. The chronic headache and noted tenderness upon palpation over the sinuses in the client are consistent with this condition.

Choice C Reason:
Epistaxis, or nosebleed, is bleeding from the nose that can be caused by various factors, including trauma, medication, or environmental conditions. While it can be a symptom of other nasal conditions, it is not typically associated with chronic headaches or sinus tenderness following an upper respiratory infection.

Choice D Reason:
Allergic rhinitis is an allergic reaction to allergens such as pollen, dust, or pet dander, causing symptoms like sneezing, runny nose, itchy eyes, and sometimes headaches. However, the chronic headache and sinus tenderness described by the client after an infection are more suggestive of sinusitis rather than allergic rhinitis.

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A nurse prepares an educational session on the importance of oral hygiene. Which teaching tip should be included in the section about preventing gingivitis?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

What cranial nerve is responsible for the taste sensation of the posterior third of the tongue?

Correct Answer is C

Explanation

A client reports experiencing chronic headaches after a recent upper respiratory tract infection. On physical examination, the nurse notes tenderness when palpating over the sinuses. Which condition is likely?

Correct Answer is B

Explanation

When planning care for a client with an inner ear infection, the nurse will need to include interventions for which of the following potential problems?

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