Rio Bio 202
Rio Bio 202
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Exam (elaborations)
Rio - Bio 202 - Exam 3 questions and verified correct answers 2023
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--115October 20232023/2024A+
- alimentary organs (descending order) - correct answer mouth, pharynx, esophagus, stomach, small intestine, large intestine 
 
accessory organs - correct answer teeth, tongue, salivary glands, gallbladder, liver, pancreas 
 
length of alimentary canal - correct answer 30 feet in cadaver, shorter in living human because of muscle tone 
 
number of adult teeth - correct answer 32 
 
number of deciduous (baby) teeth - correct answer 20 
 
types of teeth - correct answer molar, premolar, canine, inci...
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brittton
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Exam (elaborations)
RIO BIO 202 ACTUAL EXAM 2025/2026 QUESTIONS WITH ANSWERS GRADED A+
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---9March 20252024/2025A+
- Which of the following describe lymphocytes? - originate in the bone marrow but 
further mature before effective against disease. 
Which one of the following describes lymph nodes? - remove foreign materials 
from the lymph fluid 
What are the connective tissue strands that divide the lymph node into 
compartments? - trabeculae of reticular fibers 
Which of the following describes the activity in the germinal centers of the lymph 
node cortex? - B lymphocytes go through rapid division here 
Whic...
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EXAMCAFE
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Exam (elaborations)
RIO BIO 202 FINAL STUDY EXAM 2025/2026 QUESTIONS WITH ANSWERS GRADED A+
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---8March 20252024/2025A+
- How does Na+ cross the cellular membrane? - it's actively pumped against its 
electrochemical gradient 
Acidosis - abnormally high hydrogen ion concentration in the extracellular fluid 
Alkolosis - abnormally low concentration of hydrogen ions in the extracellular 
fluid 
Respiratory acidosis - person breathes shallowly or gas exchange is changed by 
diseases; CO2 accumulates in blood; falling blood pH and rising pCO2 
Metabolic alkalosis - low blood pH and HCO3 - leels; ingestion of too much...
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EXAMCAFE
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Exam (elaborations)
RIO BIO 202 EXAMINATION 2025/2026 QUESTIONS WITH ANSWERS GRADED A+
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---5March 20252024/2025A+
- Structure of Lymph Nodes - -fibrous dense capsule, trabeculae (divide into 
compartments) 
-Cortex (contains dividing B cells, T cells in transit) 
-Medulla (medullary cords containing T and B lymphocytes and plasma cells) 
Efferent Vessels - Exit the lymph Node 
Afferent Vessels - Travel into lymph node 
Two Types of Defense - -innate
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EXAMCAFE