Chapter 23. 23·8–23·14 Our senses detect and transmit stimuli.

Show What You Know - Self Quiz
true
true
You must read each slide, and complete any questions on the slide, in sequence.

Instructions

Check your understanding of concepts from 23·8–23·14 Our senses detect and transmit stimuli by answering the following questions.

1.

1. Why have animals evolved with the bulk of their sensory equipment at the surface of their bodies?

A.
B.
C.
D.
E.

Correct. (See section 23·8 Sensory receptors are our windows to the world around us.)
Incorrect. (See section 23·8 Sensory receptors are our windows to the world around us.)

2.

2. What is the molecular explanation for why the sweetener Splenda is perceived by the human tongue as being sweet?

A.
B.
C.
D.
E.

Correct. (See section 23·9 Taste: an action potential serves up a taste sensation to the brain.)
Incorrect. (See section 23·9 Taste: an action potential serves up a taste sensation to the brain.)

3.

3. Which one of the following statements about the sensory receptors in the human eye is true?

A.
B.
C.
D.
E.

Correct. (See section 23·11 Vision: seeing is the perception of light by the brain.)
Incorrect. (See section 23·11 Vision: seeing is the perception of light by the brain.)

4.

4. Sensory receptors in your skin include:

A.
B.
C.
D.
E.

Correct. (See section 23·13 Touch: the brain perceives pressure, temperature, and pain.)
Incorrect. (See section 23·13 Touch: the brain perceives pressure, temperature, and pain.)

5.

5. Sensory cells in the organs of balance, motion, and hearing are all:

A.
B.
C.
D.
E.

Correct. (See section 23·14 Other senses help animals negotiate the world.)
Incorrect. (See section 23·14 Other senses help animals negotiate the world.)

Activity results are being submitted...