A patient with CAD is asking the nurse about the mechanisms of the heart.
It would be appropriate for the nurse to respond that when the left ventricle contracts, it pushes blood through the semilunar valve to the:

Choice A rationale:

The medication should be dropped into the conjunctival sac, which is the space between the lower eyelid and the eyeball. This is the correct method for administering ophthalmic drops.

Choice B rationale:

The eyedropper should not touch any part of the eye, including the sclera, to avoid contamination and potential infection.

Choice C rationale:

It is not necessary to don sterile gloves when administering ophthalmic drops. Clean gloves or hand hygiene is sufficient.

Choice D rationale:

Rubbing the eye after instilling medication can cause irritation and may disperse the medication, reducing its effectiveness.

Choice A rationale:

Initiating diuretic therapy is incorrect because it would further decrease the client’s already low calcium level.

Choice B rationale:

Implementing seizure precautions is correct because hypocalcemia can cause neuromuscular irritability and seizures.

Choice C rationale:

Preparing the client for hemodialysis is incorrect because it is not the first-line treatment for hypocalcemia.

Choice D rationale:

Administering phosphate is incorrect because it would further decrease the client’s already low calcium level.