Why vaccine injection on the shoulder ? (Please choose 2 correct answers)

• because shoulder has thin epidermal layer.

• because shoulder has thick epidermal layer.

• because shoulder has many pain receptor.

• because shoulder has less pain receptor.

The diagram shows one of the common vision defect in human eyes. Name the defect.

• Long-sightedness

• Short-sightedness

One of the common vision defect in human eyes is long-sightedness. This is because the image is formed ........ the retina.

• behind

• in front of

• on the retina

One of the common vision defect in human eyes is short-sightedness. This is because the image is formed .......... the retina.

• behind

• in front of

• on the retina

Tags

NGSS.HS-PS4-1

People with short- sightedness will see ..... (Please choose 2 correct answers)

• near object clearly.

• near object blurry.

• distant object blurry.

• distant object clearly.

People with long- sightedness will see ..... (Please choose 2 correct answers)

• near object clearly.

• near object blurry.

• distant object blurry.

• distant object clearly.

Diagram 2 shows a device. What is the function of the device?

• to hear soft sound

• to fix the hearing problem

• to produce sound by vibration

• to amplify the reflection of sound

When facing astigmatism, what type of lenses are needed to be used in order to correct it?

• Concave lens

• Convex lens

• Cylindrical lens

• Plane mirror

Which of the following is not the reason for short-sightedness?

• Eye lens is too thick.

• Eye ball is too long.

• Image form in front of retina.

• Image form behind of retina.

What will happen to the size of the pupil when we enter a dark room.

• It will get bigger.

• It will get smaller.

• It will turn into black.

• It will turn into white.

Tags

NGSS.MS-LS1-8