A nurse documents that the client has a normal pupillary light reflex. The nurse should recognize that this reflex indicates which of the following?
The eyes converge to focus on the light.
The eye focuses the image in the center of the pupil.
Dilation of both pupils occurs in response to bright light.
Constriction of both pupils occurs in response to bright light.
The Correct Answer is D
A. The eyes converge to focus on the light.
This statement refers to the convergence reflex, where both eyes move medially (towards each other) to maintain single binocular vision when focusing on a near object. It is not related to the pupillary light reflex, which involves changes in pupil size in response to light.
B. The eye focuses the image in the center of the pupil.
This choice does not accurately describe the pupillary light reflex. The pupillary light reflex involves constriction of the pupil in response to light, not focusing an image in the center of the pupil.
C. Dilation of both pupils occurs in response to bright light.
This statement is incorrect. In response to bright light, the pupils should constrict, not dilate. Dilation of pupils in bright light could indicate an abnormal response, such as in cases of certain neurological conditions or drug use.
D. Constriction of both pupils occurs in response to bright light.
This choice is correct. In the pupillary light reflex, both pupils constrict when exposed to bright light. This response is a protective mechanism to prevent excessive light from entering the eyes, ensuring optimal visual acuity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. When bronchial breath sounds are auscultated in the trachea.
Auscultating bronchial breath sounds in the trachea is a normal finding, as the trachea is close to the upper airway, and this is where bronchial sounds are normally heard. However, if these sounds are heard in the peripheral lung fields, it can indicate an abnormal condition.
B. When the client is experiencing excessive sneezing from a tree pollen allergy.
Excessive sneezing due to allergies would not typically result in increased breath sounds. Allergies may cause nasal congestion, but they don't directly lead to increased breath sounds.
C. When the client is resting in bed and not experiencing respiratory issues.
If a client is at rest and not experiencing any respiratory issues, breath sounds should typically be normal. There would be no reason to expect increased breath sounds in this scenario.
D. When the bronchial tree is obstructed by secretions.
Increased breath sounds, such as wheezing or rhonchi, can be auscultated when there is an obstruction in the bronchial tree due to secretions, narrowing of the airways, or other causes. These sounds are typically abnormal and indicate an issue with air movement through the airways.
Correct Answer is A
Explanation
A. Frenulum:
The frenulum is a thin band of tissue in the mouth that connects the tongue to the floor of the mouth. It aids in the tongue's movement and flexibility during speaking and swallowing.
B. Palate:
The palate refers to the roof of the mouth. It has two parts: the hard palate (at the front, made of bone) and the soft palate (at the back, made of muscle). The palate plays a crucial role in speech and swallowing.
C. Uvula:
The uvula is a small, fleshy extension at the back of the soft palate in the mouth. It participates in various functions, including speech articulation, preventing food from entering the nasal cavity during swallowing, and producing certain sounds.
D. Papillae:
Papillae are small, raised structures on the tongue that contain taste buds. They are responsible for detecting different tastes: sweet, salty, sour, bitter, and umami (savory). Papillae give the tongue its rough texture.
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