9ADV Homework 2

Which of the following is correct about the diagram below?

I. Part I is a part of the peripheral nervous system

II. Part II is a part of the CNS

III. Part III feeds information to part I from most of your senses

• I only

• II and III

• I and II only

• I, II and III

Which number(s) represents the central nervous system ?

• A

• D

• F

• G

Which number represent the sensory receptor?

• 1

• 5

• 6

• 2

Which of the following will occurs when the sympathetic system is most active

• Dilation of the pupil of the eye

• Increase salivary production

• Decreased heart rate

• Increase digestion rate

Which of the following divisions of the nervous system keeps you breathing when you fall asleep?

• Central Nervous System

• Sympathetic nervous system

• Parasympathetic nervous system

• Peripheral nervous System

Which of the following effects can be predicated if rod receptors in the eye were damaged?

• Loss of sense of smell

• Loss of ability to see objects in dim light

• Loss of ability to detect sound

• Loss of ability to detect colours

Which of the following receptors may be found in the nose?

• Pressure/touch receptors

• Gustatory receptors

• Cone receptors

• Olfactory receptors

Which of the following is the reason that the taste of salty foods is felt more on the tip of the tongue?

• There are more salty taste bud receptors in those areas

• There are no other taste buds in those areas

• Taste nerves are only located on the sides of the tongue

• The taste buds that detect salty taste on the rest of the tongue are damaged

The part of ear that provides equilibrium/balance

• cochlea

• pinna

• auditory nerve

• semi-circular canals

Which properties of nerve cells are most important for their ability to carry out their task in helping animals deal with sensory input?

• Nerve cells are sometimes packed closely together and sometimes widely spaced.

• Nerve cells can carry signals and connect all parts of the body to the brain.

• Nerve cells can be damaged by a serious injury or by disease.

• Nerve cells grow and reproduce like other cells of the body.