Chapter 46: Sensory Systems

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

Multiple Choice

 

1. Humans are unable to see the _______ region of the electromagnetic radiation spectrum.
2. infrared
3. orange
4. green
5. violet
6. None of the above; humans can see all of these regions.

Answer: a

Textbook Reference: 46.0 Out of range

Page: 964

Bloom’s Category: 1. Remembering

 

2. The advantage of communicating by means of extremely low-frequency sound waves is that
3. it permits coordination of attacks on prey.
4. these waves travel a very long distance.
5. the echoes of these waves bouncing back help locate prey.
6. the echoes of these waves bouncing back help in navigation.
7. All of the above

Answer: b

Textbook Reference: 46.0 Out of range

Page: 964

Bloom’s Category: 2. Understanding

 

3. Which anatomical adaptation allows bats to hear the echoes of their high-pitched sound pulses?
4. A pit organ in front of their eyes
5. Fatty deposits surrounding their jaw
6. Small muscles that adjust their hearing sensitivity
7. Membranes of their wings that vibrate in response to the echoes
8. None of the above

Answer: c

Textbook Reference: 46.0 Out of range

Page: 965

Bloom’s Category: 1. Remembering

 

4. In general, _______ are cells of the nervous system that transduce physical or chemical stimuli into signals that are transmitted to other parts of the nervous system for processing and interpretation.
5. sensory cells
6. effectors
7. glial cells of the blood–brain barrier
8. nuclei within the midbrain
9. None of the above

Answer: a

Textbook Reference: 46.1 How Do Sensory Cells Convert Stimuli into Action Potentials?

Page: 965

Bloom’s Category: 1. Remembering

 

5. Which of the following statements regarding the stimulation of receptor proteins within plasma membranes is true?
6. The receptor proteins of mechanoreceptors and thermoreceptors are themselves the ion channels.
7. The receptor proteins of chemoreceptors and photoreceptors initiate biochemical cascades that eventually open and close ion channels.
8. Receptor proteins are integral to the sensory process.
9. Both a and b
10. All of the above

Answer: e

Textbook Reference: 46.1 How Do Sensory Cells Convert Stimuli into Action Potentials?

Page: 965

Bloom’s Category: 2. Understanding