A nurse is planning to administer an ophthalmic medication to a client. Which of the following actions will
minimize systemic absorption of the medication?
Apply light pressure to the inner canthus just after instilling the eye drops
Wipe the eye from the inner to the outer canthus with a sterile saline-moistened coton ball
Administer the medication drops directly into the lower conjunctival sac of each eye
Wait 5 min after instillation before instilling the drops in the other eye
None
None
The Correct Answer is A
Answer: A. Apply light pressure to the inner canthus just after instilling the eye drops.
Rationale:
A) Apply light pressure to the inner canthus just after instilling the eye drops.
Applying pressure to the inner canthus (the corner of the eye nearest the nose) helps occlude the nasolacrimal duct. This action reduces the systemic absorption of the medication by preventing it from draining into the nasal passages and subsequently into the systemic circulation, thus enhancing the local effect of the eye drops.
B) Wipe the eye from the inner to the outer canthus with a sterile saline-moistened cotton ball.
While this action may help remove excess medication or discharge, it does not minimize systemic absorption. Instead, wiping the eye could inadvertently spread the medication to other areas, increasing the chance of absorption rather than reducing it.
C) Administer the medication drops directly into the lower conjunctival sac of each eye.
While placing drops in the lower conjunctival sac is a standard practice for delivering ophthalmic medications, it does not directly influence systemic absorption. The main goal is to ensure adequate dosing in the eye, but systemic absorption can still occur if the drops drain into the nasolacrimal duct.
D) Wait 5 min after instillation before instilling the drops in the other eye.
Waiting between instillations is good practice to prevent dilution of the first dose and to allow for absorption. However, this action does not significantly impact systemic absorption. It focuses more on ensuring that the first dose is effective before administering a second dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Montelukast is a medication commonly prescribed for the management of asthma symptoms, including the prevention of asthma attacks. The recommended dosing regimen for montelukast is typically once daily, usually in the evening. This helps to provide continuous control of asthma symptoms and reduce the risk of asthma exacerbations.
Administer the medication when the toddler has an acute asthma attack: Montelukast is not intended for immediate relief during an acute asthma attack. It is a long-term control medication aimed at preventing asthma symptoms and reducing the frequency and severity of attacks. For acute asthma attacks, a short-acting bronchodilator such as albuterol is typically used.
Provide an additional dose of the medication prior to physical activity: Montelukast is not specifically indicated as a pre-exercise medication for asthma. However, in some cases, healthcare providers may prescribe it if exercise-induced bronchoconstriction is a significant concern. It is important to follow the specific instructions provided by the healthcare provider regarding medication use before physical activity.
Mix the medication in juice prior to administration: Montelukast tablets or chewable tablets should not be crushed or mixed in juice unless specifically instructed by the healthcare provider. They should be administered whole and taken with water. If the child has difficulty swallowing tablets, alternative formulations like oral granules or chewable tablets may be available.
Correct Answer is A
Explanation
Answer: A
Rationale:
A) Ampicillin: Ampicillin is contraindicated for this client because it belongs to the penicillin class of antibiotics. Since the client is allergic to penicillin, administering ampicillin could trigger an allergic reaction, which could range from mild rash to severe anaphylaxis.
B) Erythromycin: Erythromycin is a macrolide antibiotic and can be used as an alternative for clients who are allergic to penicillin. It is often prescribed for group B streptococcus infections in penicillin-allergic clients, making it a suitable option in this case.
C) Cefazolin: Cefazolin is a cephalosporin antibiotic and is generally considered safe for clients with a penicillin allergy, except in cases of severe penicillin allergies. Cross-reactivity is low, and cefazolin can be an appropriate choice for treating group B streptococcus.
D) Clindamycin: Clindamycin is a lincosamide antibiotic and is often used for clients with penicillin allergies. It is effective against group B streptococcus and does not belong to the penicillin or cephalosporin classes, making it a suitable option for this client.
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