Outdoor Emergency Care Chapter 22

Front

Which of the following structures works like a camera shutter to adjust the amount of light entering the eye? The sclera, The iris, The lens, The posterior chamber

Back

The iris

Front

The part of the eye that focuses light on the retina is called the:

Back

lens.

Front

Light stimulates nerve endings in which of the following structures to send signals to the brain via the optic nerves? Retina, Iris, Lachrymal glands, Lens

Back

Retina

Front

Which of the following statements concerning the eye socket or orbit is false?
It is easy to injure the orbital bones.
It protects the fluid-filled eyeball.
It anchors the muscles that control voluntary eye movement.
It is formed by the skull and facial bones.

Back

It is easy to injure the orbital bones.

Front

You are assessing a patient who was punched in the eye. You note blood in the white part of his eye. This area of the eye is known as the:

Back

sclera.

Front

A young girl is complaining of eye pain after having bleach thrown in her face. When assessing her eyes, you note redness and significant tearing in the right eye. You would treat this girl by:

Back

flushing the eye with sterile water.

Front

During an altercation, your patient was cut with a sharp knife. Your assessment reveals a laceration across the right eyelid down to the right cheek that is oozing dark red blood. It also appears that the patient’s eye was cut with the knife. You would:

Back

cover both eyes with a sterile dressing.

Front

What instructions would you give to an OEC candidate who asks how to treat a patient who has visible blood in the anterior chamber of the eye? Options: “It is important to keep the pressure in the eye low, so we will transport this patient in a sitting position.”, “Apply a cold pack to the eye and transport this patient immediately.”, “Put a shield over the eye and bandage tightly to apply some pressure to the eye.”, “Put a shield over the eye and cover both eyes before immediately transporting this patient.”

Back

“Put a shield over the eye and cover both eyes before immediately transporting this patient.”

Front

You have responded to a scene at which a young man tells you he splashed a chemical into his eye. He is complaining of burning and pain in his right eye. After performing a primary assessment and finding no life-threatening conditions, you would:

Back

hold the patient’s injured eye open and flush it with large amounts of sterile water from the nose to the outer edge of the eye.

Front

You respond to the vehicle maintenance department, where a middle-aged man is flushing his eyes with tap water. He tells you that acid splashed in his eyes and that they are burning. Which of the following questions is the most important one to ask right away?
“What is your past medical history?”
“Are you wearing contact lenses?”
“Do you take any medications?”
“Have you ever had a previous eye injury?”

Back

“Are you wearing contact lenses?”