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Chapter 14.3, Problem 7QC

Summarize the effects of the parasympathetic nervous system on the smooth muscle cells of the following structures.

a. Pupil

b. Lens

c. Blood vessels serving the penis

d. Digestive tract

e. Urinary and digestive sphincters

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Fiyona Biomagnification Through a Food Chain Purpose: You will use M&M candies to model bioaccumulation and biomagnification through a food chain. Background: Shortly after WWII, a new super-pesticide was put into wide-spread use across the United States. Dichloro- diphenyl-trichloroethane (DDT), the first synthetic pesticide, had been used with massive success during World War II to combat malaria and other diseases carried by insects. Not until 1962, did people start to question this chemical and the unforeseen negative effects it was having on the environment. DDT stayed within a food chain, building in toxicity as it was passed in the tissues from one trophic level to the next. This phenomenon, known as biomagnification, seemed to affect larger birds more than smaller ones and not by simply killing them, but by altering how they metabolized calcium. Because they could not process calcium properly, these birds could not build shells strong enough to last through incubation. Thus, by…
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Chapter 14 Solutions

Human Anatomy & Physiology Plus Mastering A&P with Pearson eText -- Access Card Package (2nd Edition) (What's New in Anatomy & Physiology)

Ch. 14.2 - Describe the effects of the sympathetic nervous...Ch. 14.2 - Prob. 6QCCh. 14.3 - What is the basic function of the parasympathetic...Ch. 14.3 - Where are the preganglionic parasympathetic cell...Ch. 14.3 - How does the arrangement of neurons in the...Ch. 14.3 - 4. Which neurotransmitter is released by all...Ch. 14.3 - Prob. 5QCCh. 14.3 - Prob. 6QCCh. 14.3 - Summarize the effects of the parasympathetic...Ch. 14.4 - Prob. 1QCCh. 14.4 - Prob. 2QCCh. 14.4 - 3. What is autonomic tone? Ch. 14.4 - How does the CNS mediate control over the ANS?Ch. 14 - Which of the following best describes the basic...Ch. 14 - 2. Fill in the blanks: The sympathetic nervous...Ch. 14 - 3. Sympathetic preganglionic neurons synapse: a....Ch. 14 - Differentiate between adrenergic and cholinergic...Ch. 14 - Prob. 5CYRCh. 14 - Explain what happens when sympathetic neurons...Ch. 14 - Prob. 7CYRCh. 14 - Mark each of the following as an effect of the...Ch. 14 - Mark the following statements as true or false. If...Ch. 14 - 10. Fill in the blanks: _______receptors are...Ch. 14 - Parasympathetic ganglia are typically: a. located...Ch. 14 - Central nervous system control over the ANS is...Ch. 14 - 1. Using 20 or fewer words, define each of the...Ch. 14 - You are running a race to the top of a mountain....Ch. 14 - 3. Describe all the changes initiated by the...Ch. 14 - 1. Which cranial nerves would be affected by a...Ch. 14 - 2. A patient, Dr. Young, has both asthma and high...Ch. 14 - Mr. Chevalier has been diagnosed with Horner...Ch. 14 - Many chemical warfare agents, such as the...
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