Which type of epithelial tissue provides protection against respiratory infections, due to the presence of mucus and cilia?
A. Stratified squamous
B. Simple squamous
C. Stratified columnar
D. Simple cuboidal
E. Pseudostratified columnar
Answer: E
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You are training for a marathon. As you increase your level of physical fitness, you've noticed that the time spent recovering (breathing heavily after stopping running) is decreasing. What change to your muscle cells might account for this?A) Increase in actin concentrationB) Increase in muscle size (hypertrophy)C) Increase in myoglobin concentrationD) Increase in creatine concentrationE) Increase in myosin concentration
What will be an ideal response?
The breathing rate of an infant
a) Is twice as fast as an adult b) Causes greater water loss from the lungs c) Removes less carbon dioxide than in an adult d) Makes the infant blood more acidic e) Is normal to an adult
Paired organs, such as the kidneys or lungs, are said to be
A) bivalent. B) bilingual. C) bisexual. D) bilateral.
Which of the following is found in spongy bone but not compact bone?
A. Matrix B. Osteocytes in lacunae C. Collagen D. Trabeculae E. Hydroxyapatite