Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 42, Problem 2TYK
Summary Introduction
Cilia (singular ‘cilium’) are the hair-like structure found on eukaryotic cells. Cilium is of two types, namely motile and non-motile cilium. Motile cilia are used for locomotion. The non-motile cilia, also called primary cilia, serves as a sensory organelle. In the human lungs, the motile cilia are found on the lining of the trachea, which helps to sweep mucus and dirt out of the lungs.
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What type of epithelium lines the gas exchange surfaces of the alveoli?
a. pseudostratified columnar epithelium
b. ciliated columnar epithelium
c. simple squamous epithelium
d. simple cuboidal epithelium
I believe that it is pseudostratified ciliated columnar epithelium but that is not an option so I don't know what one to choose.
What occurs as air descends down through the conducting zone and respiratory zone structure?
a. Cartilage rings are replaced by plates of Cartilage.
b. Resistance to air flow decreases due to increased number of lobbies.
c. Resistance to air flow increases as bronchioles diminish in diameter.
d. Smooth muscle surrounding the bronchioles increases .
e. The lining of the bronchioles changes from ciliated columnar to simple squamous epithelium.
An exocrine gland with an unbranched duct and branched sack shaped secretory unit would best be described as
A. Simple alveolar
B. Simple branched tubular
C.compound alveolar
D. Simple branched alveolar
Chapter 42 Solutions
Study Guide for Campbell Biology
Ch. 42 - Prob. 1IQCh. 42 - Prob. 2IQCh. 42 - In the following diagram of a mammalian...Ch. 42 - a. Name the valve between an atrium and ventricle....Ch. 42 - Prob. 5IQCh. 42 - Prob. 6IQCh. 42 - Prob. 7IQCh. 42 - What lifestyle choices have been correlated with...Ch. 42 - Prob. 9IQCh. 42 - Prob. 10IQ
Ch. 42 - Prob. 11IQCh. 42 - Identify the labeled structures in the following...Ch. 42 - Prob. 2SYKCh. 42 - Prob. 1TYKCh. 42 - Prob. 2TYKCh. 42 - Prob. 3TYKCh. 42 - Prob. 4TYKCh. 42 - During diastole, a. blood fills the atria and...Ch. 42 - Prob. 6TYKCh. 42 - As a general rule, blood leaving the right...Ch. 42 - The nurse tells you that your blood pressure is...Ch. 42 - Blood flows more slowly in arterioles than in...Ch. 42 - Prob. 10TYKCh. 42 - Prob. 11TYKCh. 42 - Prob. 12TYKCh. 42 - Prob. 13TYKCh. 42 - Exchange between the blood and the tissues of the...Ch. 42 - Which of the following processes would tend to...Ch. 42 - Prob. 16TYKCh. 42 - Prob. 17TYKCh. 42 - Prob. 18TYKCh. 42 - Prob. 19TYKCh. 42 - Prob. 20TYKCh. 42 - What do the alveoli of mammalian lungs, the gill...Ch. 42 - Prob. 22TYKCh. 42 - Prob. 23TYKCh. 42 - Prob. 24TYKCh. 42 - Prob. 25TYKCh. 42 - Prob. 26TYK
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