Introduction to Behavioral Neuroscience
OpenStax
Chapter 8: The Chemical Senses
Multiple Choice
1. Which of the following statements about taste buds is false?
A. When viewing the human tongue the taste buds are visible to the naked eye.*
B. There are three types of receptor cells that make up a taste bud.
C. Type II taste receptor cells are responsible for detecting umami, sweet and bitter
chemicals.
D. Each taste bud has a taste pore where chemicals can interact directory with the
microvilli of taste receptor cells.
Bloom’s Level 2. Understanding
2. Which is NOT a correct match between a taste modality and a receptor or receptor family
primarily thought to be responsible for detecting those tastes?
A. T1R1+T1R3 - umami
B. T1R2+T1R3 - sweet
C. T2Rs – sour*
D. ENaCs -salty
Bloom’s Level 1. Remembering
3. Which two neurotransmitters are primarily responsible for communication between taste
receptor cells and intragemmal nerve fibers?
A. GABA and Glutamate
B. Acetylcholine and ATP
C. Serotonin and ATP*
D. Serotonin and Dopamine
Bloom’s Level 1. Remembering
4. Which of the following statements about the organization of the nucleus of the solitary
tract is most accurate?
A. Oral chemosensation is represented in the rostral NTS*
B. Signals from chemosensors in the digestive tract are represented in the rostral NTS.
C. The appetitive gustatory modalities (sweet and umami) are represented in the caudal
NTS.
D. Sweet chemicals produce active only in neurons located along the at the lateral edge of
the NTS.
1
, Introduction to Behavioral Neuroscience
OpenStax
Bloom’s Level 2. Understanding
5. Key lime pie was once one of your favorite foods. Several years ago, it was the last thing you
ate before getting sick with gastroenteritis (stomach flu). Ever since then, the flavor of limes
in any food makes you feel nauseous. What phenomenon is mediated by neural
connections between the gustatory cortex and amygdala in this example?
A. Conditioned taste aversion*
B. Conditioned taste preference
C. Cued fear conditioning
D. Operant conditioning
Bloom’s Level 2. Understanding
6. Odorant receptors are found on which region of sensory neurons?
A. Cilia *
B. Dendrites
C. Axons
D. Nucleus
Bloom’s Level 1. Remembering
7. In most animals, social odors and pheromones are detected by which structure?
A. The Olfactory bulb
B. The Olfactory epithelium
C. The Vomeronasal organ *
D. The Olfactory peduncle
Bloom’s Level 1. Remembering
8. Anosmia is not an indicator of which disease?
A. Parkinson’s disease
B. Covid-19
C. Alzheimer’s disease
D. Sickle cell disease *
Bloom’s Level 1. Remembering
9. Calcium-activated chloride channels _____ membrane potentials in olfactory sensory
neurons.
A. Diminish
B. Sharpen
2
OpenStax
Chapter 8: The Chemical Senses
Multiple Choice
1. Which of the following statements about taste buds is false?
A. When viewing the human tongue the taste buds are visible to the naked eye.*
B. There are three types of receptor cells that make up a taste bud.
C. Type II taste receptor cells are responsible for detecting umami, sweet and bitter
chemicals.
D. Each taste bud has a taste pore where chemicals can interact directory with the
microvilli of taste receptor cells.
Bloom’s Level 2. Understanding
2. Which is NOT a correct match between a taste modality and a receptor or receptor family
primarily thought to be responsible for detecting those tastes?
A. T1R1+T1R3 - umami
B. T1R2+T1R3 - sweet
C. T2Rs – sour*
D. ENaCs -salty
Bloom’s Level 1. Remembering
3. Which two neurotransmitters are primarily responsible for communication between taste
receptor cells and intragemmal nerve fibers?
A. GABA and Glutamate
B. Acetylcholine and ATP
C. Serotonin and ATP*
D. Serotonin and Dopamine
Bloom’s Level 1. Remembering
4. Which of the following statements about the organization of the nucleus of the solitary
tract is most accurate?
A. Oral chemosensation is represented in the rostral NTS*
B. Signals from chemosensors in the digestive tract are represented in the rostral NTS.
C. The appetitive gustatory modalities (sweet and umami) are represented in the caudal
NTS.
D. Sweet chemicals produce active only in neurons located along the at the lateral edge of
the NTS.
1
, Introduction to Behavioral Neuroscience
OpenStax
Bloom’s Level 2. Understanding
5. Key lime pie was once one of your favorite foods. Several years ago, it was the last thing you
ate before getting sick with gastroenteritis (stomach flu). Ever since then, the flavor of limes
in any food makes you feel nauseous. What phenomenon is mediated by neural
connections between the gustatory cortex and amygdala in this example?
A. Conditioned taste aversion*
B. Conditioned taste preference
C. Cued fear conditioning
D. Operant conditioning
Bloom’s Level 2. Understanding
6. Odorant receptors are found on which region of sensory neurons?
A. Cilia *
B. Dendrites
C. Axons
D. Nucleus
Bloom’s Level 1. Remembering
7. In most animals, social odors and pheromones are detected by which structure?
A. The Olfactory bulb
B. The Olfactory epithelium
C. The Vomeronasal organ *
D. The Olfactory peduncle
Bloom’s Level 1. Remembering
8. Anosmia is not an indicator of which disease?
A. Parkinson’s disease
B. Covid-19
C. Alzheimer’s disease
D. Sickle cell disease *
Bloom’s Level 1. Remembering
9. Calcium-activated chloride channels _____ membrane potentials in olfactory sensory
neurons.
A. Diminish
B. Sharpen
2
