Pharmacology Eye & Ear Disorders

A nurse is reinforcing instructions with a client who has a new prescription for timolol how to insert eye drops. The nurse should reinforce with the client to press on which of the following areas to prevent systemic absorption of the medication?

• Bony orbit

• Nasolacrimal duct

• Conjunctival sac

• Outer canthus

Answer explanation

to minimize absorption of the drug into the blood stream and maximize the amount of the drug absorbed in the eye and minimizing possible side effects- close your eye for 1 minute after putting the drops, do not blink, and press with your index finger lightly against the inferior nasal corner of your eyelid to close the .

A nurse is reinforcing teaching with a client who has a new prescription for brimondine opthalmic drops

( used for glaucoma)and wears contact lenses.

Which of the following instructions should the nurse include in the teaching?

• "This medication can stain your contacts."

• "This medication can cause your pupils to constrict."

• 'This medication can absorb into your contact lenses."

• "This medication can slow your heart rate."

Answer explanation

Brimonidine can absorb into soft contact lenses so teach client to remove their contacts and wait at least 15 minutes until putting them back in their eyes.

A nurse who is assisting in the emergency department is reviewing the medical record of a client who is being evaluated for angle closure glaucoma. Which if the following findings are indicative of this condition?

• Insidious onset of painless loss of vision

• Gradual reduction in peripheral vision

• Sever pain around eyes

• Intraocular pressure

  12 mm hg

Answer explanation

Severe pain around the eyes that radiates over the face is a manifestation of acute angle-closure glaucoma

A nurse is reinforcing teaching with a client about preventing otitis externa./ swimmers ear

Which of the following instructions should the nurse include?

• Clean the ear with a cotton tipped swab daily

• Place earplugs in the ears while sleeping at night

• Use a cool water irrigatiin solution to remove ear wax

• Tip the head to the side to remove water from the ears after swimming

Answer explanation

The client should not put anything into the ear

Wear earplus only while swimmimg

The client should not use cool water as it may cause dizziness and vertigo and nausea

The client should remove water from the ear by tilting the ear downward to remove excess water

A nurse in a provider's office is reinforcing instructions with a guardian of a toddler how to administer ear drops. WHich of the following instructions should the nurse include?

(Select all that apply)

• "Place the child on the unaffected side whenyou are ready to administer the medication."

• 'Warm the medication by gently rolling it between your hans."

• "Gently shake medication that is in suspensio form."

• "Keep the child on their side for 5 minutes after instillation of the ear drops ."

• Tightly pack the ear with cotton after installation of the easr drops ."

Answer explanation

The ear shouldmonly be loosely packed with cotton not tightly , some providers do not agree with cotton placed in the ears after installation