In the Blink of an Eye - 2017

Question 1

• A is correct because paragraph 4 states that the brain has the ability to ignore quick flashes of darkness (blinks) and does not interpret it as an interruption of sight.

• A is correct because there is evidence in the selection that indicates blinking relaxes the eyes.

• A is correct because the selection discusses that removing the eye's dust bothers people.

• A is correct because the selection indicates that vision is interrupted while the brain processes information.

Question 2

• G is correct because the section explains how blinking is affected by electronic devices.

• G is correct because each paragraph in the section describes a factor that affects blink rate.

• G is correct because the section describes the benefits babies and adults get from blinking.

• G is correct because the section explains which parts of the eye are responsible for blinking.

Question 3

• A is correct because three different muscles are labeled that control eye movement compared to one muscle for the eyelid.

• A is correct because the strength of the muscles is illustrated in the diagram labels.

• A is correct because the diagram labels include details about the benefits of blinking.

• A is correct because the diagram includes details about blinking.

Question 4

• G is correct because blinking is not automatic.

• G is correct because people always notice when they blink.

• G is correct because people's eyes close for short periods of time.

• G is correct because a person's automatic responses like blinking and a beating heart go unnoticed as they occur.

Question 5

• C is correct because sentence A explains how blink rate is affected by staring at a computer screen.

• C is correct because sentence B explains how blink rate is affected by staring at a computer screen.

• C is correct because sentence C explains how concentrating on a task affects blink rate.

• C is correct because sentence D focuses on looking at something.