CHAPTER 1: STIMULUS AND RESPONSE (PART 1)

Which of the following is a component of the central nervous system of human?

• Peripheral nerve

• Spinal cord

• Somatic nerve

• Cranial nerve

Which of the following is a component of the pheripheral nervous system of human?

• Peripheral nerve

• Spinal cord

• Somatic nerve

• Cranial nerve

The following statements related to the function of human nervous system EXCEPT

• detects stimuli

• sends information in the form of impulses

• send oxygen to all parts of the body

• produces appropriate responses

Voluntary actions are ________________________ and are controlled by the _______________________.

• conscious action,brain

• unconscious action,brain

• conscious action, spinal cord

• unconscious action, spinal cord

The followings are examples of involuntary action Involving medulla oblongata EXCEPT

• Heartbeat

• Breathing

• Peristalsis

• Running

Diagram 1 shows the flow map of impulse in a response. Which response has a similar pathway?

• knee jerk

• singing

• jumping

• reading

Which of the following sensory organs can detect chemical substances?

• eye

• skin

• nose

• ear

Which of the following eye structures contains the photoreceptors

• sclera

• choroid

• retina

• cornea

Table 1 shows the structure and function of the human eyes. What are represented by X and Y?

• X - iris, Y - cornea

• X - cornea, Y - iris

• X - retina, Y - choroid

• X - choroid, Y - retina

Diagram 1 shows the path of an impulse after a stimulus is received by the skin. Which of the following represents K, L and M?

• M - brain, L - effector, K - receptor

• M - receptor, L - receptor, K - brain

• M - effector, L - brain, K - receptor

• M - receptor, L - brain, K - effector