Question 1

True or False: A single type of receptor is responsible for detecting all tactile pressure in humans.A variety of specialized receptors detect different degrees of pressure at different levels in the skin.

Accepted Answer

A) True 
 B)False

Question 2

What does the middle ear consist of?

Accepted Answer

A)  three ossicle bones
B)  the ear canal
C)  the ear drum
D)  the vestibular canalE) A) and B)
F) A) and C)

Question 3

Why do we perceive chili peppers as "hot" and peppermint as "cold"?

Accepted Answer

A)  It is a cultural convention to speak of chili peppers as hot and peppermint as cold.
B)  Capsaicin and menthol act as agonists of TRP channels normally activated by temperature changes.
C)  We are conditioned to think so because chili-containing foods are served hot, while mint-containing foods are served cold.
D)  Neurons sensitive to heat or capsaicin project to nearby regions of the brain, while neurons sensitive to cold or menthol project to other adjacent regions.E) A) and B)
F) A) and C)

Question 4

Which of the following constitute the vestibular apparatus?

Accepted Answer

A)  saccule and utricle only
B)  semicircular canals, saccule, and utricle
C)  ampullae of Lorenzini
D)  saccule, utricle, and Organ of CortiE) A) and B)
F) B) and D)

Question 5

The ampullae of Lorenzini are jelly-filled pores that allow fish to sense electromagnetic currents.What is an important property of the jelly in these organs?

Accepted Answer

A)  It secretes pheromones for conspecifics.
B)  It is a good electrical conductor.
C)  It contains gustatory receptors.
D)  It is an electrical insulator.E) C) and D)
F) B) and D)

Question 6

After years of listening to loud music on headphones, the cilia on Bob's hair cells are damaged.What is the result?

Accepted Answer

A)  vestibular problems
B)  hearing loss
C)  vision problems
D)  taste hallucinationsE) None of the above
F) All of the above

Question 7

Which letter indicates the direction of incoming light in a typical vertebrate?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) A) and B)
F) A) and C)

Question 8

You decide to perform an experiment to test this why plants possess TRP channel agonists.You first set up batches of plants in the field WITH or WITHOUT applied capsaicin or menthol.What parameter do you then measure?

Accepted Answer

A)  photosynthetic rate
B)  amount of leaf or fruit damage
C)  metabolic rate
D)  palatability to humansE) A) and D)
F) A) and B)

Exam 44: Sensory Systems

Which letter indicates the direction of incoming light in a typical vertebrate?

Correct Answer
verified

After years of listening to loud music on headphones, the cilia on Bob's hair cells are damaged.What is the result?

Correct Answer
verified

Why do we perceive chili peppers as "hot" and peppermint as "cold"?

Correct Answer
verified

You decide to perform an experiment to test this why plants possess TRP channel agonists.You first set up batches of plants in the field WITH or WITHOUT applied capsaicin or menthol.What parameter do you then measure?

Correct Answer
verified

True or False: A single type of receptor is responsible for detecting all tactile pressure in humans.A variety of specialized receptors detect different degrees of pressure at different levels in the skin.

Correct Answer
verified

The ampullae of Lorenzini are jelly-filled pores that allow fish to sense electromagnetic currents.What is an important property of the jelly in these organs?

Correct Answer
verified

Which of the following constitute the vestibular apparatus?

Correct Answer
verified

What does the middle ear consist of?

Correct Answer
verified

Exam 44: Sensory Systems

Which letter indicates the direction of incoming light in a typical vertebrate?

Correct AnswerverifiedShow Answer

After years of listening to loud music on headphones, the cilia on Bob's hair cells are damaged.What is the result?

Correct AnswerverifiedShow Answer

Why do we perceive chili peppers as "hot" and peppermint as "cold"?

Correct AnswerverifiedShow Answer

You decide to perform an experiment to test this why plants possess TRP channel agonists.You first set up batches of plants in the field WITH or WITHOUT applied capsaicin or menthol.What parameter do you then measure?

Correct AnswerverifiedShow Answer

True or False: A single type of receptor is responsible for detecting all tactile pressure in humans.A variety of specialized receptors detect different degrees of pressure at different levels in the skin.

Correct AnswerverifiedShow Answer

The ampullae of Lorenzini are jelly-filled pores that allow fish to sense electromagnetic currents.What is an important property of the jelly in these organs?

Correct AnswerverifiedShow Answer

Which of the following constitute the vestibular apparatus?

Correct AnswerverifiedShow Answer

What does the middle ear consist of?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified