The branch of science that applies to substances that contain carbon is called _____ chemistry.

Positive temperature coefficient (PTC) thermistors increase their resistance as their temperature ____.

A bridge rectifier produces a direct current output for only one-half of the ac sine wave.

EXTRA CREDIT:   Which stenosis measurement is using the ultrasound measurement methodology (A or B)?

What is the purpose of the 6 cardinal fields of gaze?

[Medication1] are contraindicated in ACG (angle-closure glaucoma) because they can cause an acute episode of [reaction1] intraocular pressure by [reaction2] the pupil and pushing the iris back. This blocks the outflow of aqueous humor.  [Medication2] can be given to patients with ACG because they [reaction3] the pupil, which pulls the iris away from the drainage canal. This allows the aqueous fluid to flow freely. 

A patient with otitis media is experiencing severe ear pain. Which nonpharmacological measures does the nurse apply to help relieve this patient’s discomfort? (Select all that apply.)

Labyrinthitis is inflammation or infection of the inner ear.

Which explanation would the nurse give to the patient who had a Snellen chart finding of 20/80?

You’re providing care to a patient who just had glaucoma surgery. The patient is alert and oriented. Vital signs are: heart rate 82 bpm, blood pressure 110/80, oxygen saturation 97% on room air, respiratory rate 18, and pain rating of 2 on 1-10 scale. Which patient finding below requires you to notify the physician?