Exam (elaborations)
Chapter 8 The Chemical Senses
- Course
- Neuroscience
- Institution
- Stanford University
Chapter 8 The Chemical Senses
[Show more]
Content preview
Chapter Eight The Chemical Senses1. What are chemoreceptors? Choose the correct option.
A) Cells releasing hormones into the extracellular environment
B) Chemically sensitive cells that serve as sensory receptors
C) Chemically sensitive cells that mediate synapses at the neuromuscular junction
D) Special types of muscle cells sensitive to chemical changes in the extracellular
milieu
2. What changes occur in taste receptors when the membrane is depolarized during
receptor potential? Choose the correct option.
A) Voltage-gated Cachannels open, triggering the release of neurotransmitter.
B) Voltage-gated K channels open, triggering the release of neurotransmitter.
C) Voltage-gated Cachannels open, inhibiting the release of
neurotransmitter. D) Voltage-gated K channels open, inhibiting the release
of neurotransmitter.
3. Identify the causative agent for acidity and sourness. Choose the correct option.
A) HighpH
B) Na
C) Anions
D) Protons (H")
4. Identify the difference between sweet receptors and bitter receptors. Choose the
correct option.
A) G-protein-coupled receptors are present in bitter receptors.
B) Bitter receptors have only T2R, whereas sweet receptors have T1R2 and T1R3.
C) The second messenger pathway activation is
different. D) The transduction mechanisms are
different.
5. How does the brain distinguish between alternative tastes? Choose the correct
option.
A) Only by precisely labeled lines
B) Only by population coding
C) By frequency distribution
D) By roughly labeled lines and population coding
6. What is the function of odorant-binding proteins in the mucus? Choose the
correct option.
A) May concentrate odorants
B) May bind to viruses and bacteria
C) Generate new receptor cells
D) Produce the mucus
, Page 1
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller cliffdocs. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now