Change in the form of a substance that does not cause a chemical reaction is a(n) _____ change.

An atom or molecule that carries an electrical charge is a(n) _____.

A chemical combination of matter in definite (fixed) proportions is a _____.

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.)