The relaxation of bronchial smooth muscle is stimulated by what type of
neuron?
A. Sympathetic preganglionic neurons
B. Parasympathetic postganglionic neurons
C. Sympathetic postganglionic neuron
D. Parasympathetic motor neurons
E. Somatic motor neurons
Answer: C. Sympathetic postganglionic ...
1. The relaxation of bronchial smooth muscle is stimulated by what type of
neuron?
A. Sympathetic preganglionic neurons
B. Parasympathetic postganglionic neurons
C. Sympathetic postganglionic neuron
D. Parasympathetic motor neurons
E. Somatic motor neurons
Answer: C. Sympathetic postganglionic neuron
2. Renin is most likely to drive the formation of angiotensin I from
angiotensinogen by doing which of the following?
3.
I. Increasing the concentration of angiotensinogen
II. Lowering the activation energy of the reaction from angiotensinogen
to angiotensin I
III. Stabilizing the angiotensin I molecule to lower the energy of the
products
A. II only
B. II and III only
C. I, II and III only
D. III only
E. I only
Answer: A. II only
3. α-amylase, found in saliva, plays a role in the digestion of what compounds?
A. Fats
B. Amino acids
C. Carbohydrates
D. Proteins
E. All
Answer: C. Carbohydrates
, 4. An individual presents to his physician with an abnormal breathing rhythm.
The physician suspects that the problem may be originating from his brain.
What part of his brain is most likely not functioning properly?
A. Midbrain
B. Medulla oblongata
C. Cerebellum
D. Hippocampus
E. Hypothalamus
Answer: B. Medulla oblongata
5. Skeletal muscle fibers are made up of white and red fibers. White fibers are
considered fast-twitch and red fibers are considered slow-twitch. Which of
these statements incorrectly describes a difference between white and red
fibers?
A. White fibers have less myoglobin than red fibers
B. White fibers fatigue more quickly than red fibers
C. White fibers utilize aerobic respiration more than red fibers
D. Red fibers have more mitochondria than red fibers
Answer: C. White fibers utilize aerobic respiration more than red fibers
6. What is the name of the structure that forms during development when the
embryo becomes a fluid filled ball?
A. Gastrula
B. Neurula
C. Blastocyst
D. Morula
Answer: C. Blastocyst
7. During embryogenesis, the process in which a committed cell develops
distinctive functions and characteristics is known as
A. Determination
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 THEEXCELLENCELIBRARY. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.99. You're not tied to anything after your purchase.
