Bio 161 exam - Study guides, Class notes & Summaries
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BIO 161 EXAM 5 Questions and Answers 100% Pass
- Exam (elaborations) • 57 pages • 2024
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BIO 161 EXAM 5 Questions and Answers 
 
100% Pass 
 
What is the function of red bone marrow in the skeletal system? 
 
a. produces minerals 
b. generates blood cells 
c. stores energy 
d. forms bone structure 
 
 b. generates blood cells 
Red bone marrow produces blood cells within the skeletal system. 
 
List the functions of the skeletal system. 
 
a. supports organs 
b. stores energy 
c. protects internal organs 
d. assists in movement 
 
 c. protects internal organs 
 
2 
 
The skeletal sys...
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Bio 161 Exam 1 Questions and Answers Already Passed
- Exam (elaborations) • 25 pages • 2024
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Bio 161 Exam 1 Questions and Answers 
 
Already Passed 
 
What is the gel-like substance inside the cell where organelles are suspended? 
 
a. nucleoplasm 
b. cytoplasm 
c. endoplasm 
d. protoplasm 
 b. cytoplasm 
Cytoplasm is the gel-like substance within cells where organelles are suspended and many 
cellular processes occur. 
 
Which part of the cell controls what enters and exits, acting as a gatekeeper? 
 
a. nuclear membrane 
b. plasma membrane 
c. cell wall 
d. cytoskeleton 
 
2 
 
 b. pl...
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Bio 161 Exam 4 Latest Version Graded A+
- Exam (elaborations) • 19 pages • 2024
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Bio 161 Exam 4 Latest Version Graded 
 
A+ 
 
Question 1: What is the term for an individual cell of a muscle? 
 
- a. muscle fiber 
 
- b. fascicle 
- c. myofibril 
- d. sarcolemma 
 
- Answer: a. muscle fiber 
 
Explanation: A muscle fiber refers to an individual cell of a muscle, containing multiple 
myofibrils. 
 
Question 2: What is the name given to a group of muscle cells within the belly of a muscle? 
 
- a. sarcolemma 
 
- b. sarcoplasm 
- c. fascicle 
 
2 
 
- d. myofibril 
- Answer:...
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Bio 161 Exam 2- Penn State Questions and Answers Already Passed
- Exam (elaborations) • 19 pages • 2024
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Bio 161 Exam 2- Penn State Questions 
 
and Answers Already Passed 
 
Question 1: What is the definition of current in the context of physiology? 
 
- a. movement of ions 
 
- b. flow of charged particles 
- c. chemical reaction 
- d. electrical discharge 
- Answer: b. flow of charged particles 
 
Explanation: Current refers to the flow of charged particles, such as ions, from one point to 
another, driven by an electrical potential or voltage. 
 
Question 2: What term is used to describe an el...
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bio 161 exam 5 latest update graded A+
- Exam (elaborations) • 13 pages • 2024
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bio 161 exam 5 latest update graded A+ 
 
Question 1: What is the function of the epiphysis in a long bone? 
 
- a. encloses the medullary canal 
- b. covers the surfaces of joints 
- c. forms the shaft of the bone 
- d. forms the end of the bone 
 
- Answer: d. forms the end of a long bone 
 
Explanation: The epiphysis is the rounded end of a long bone, which contributes to joint 
structure and articulation. 
 
Question 2: What part of a long bone is referred to as the shaft? 
 
- a. epiphysis...
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BIO 161 EXAM 5 Practice Questions and Answers (2024/2025)
- Exam (elaborations) • 27 pages • 2024
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BIO 161 EXAM 5 Practice Questions and 
Answers (2024/2025)
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Bio 161 Exam 5 Practice Questions with Verified Solutions
- Exam (elaborations) • 10 pages • 2024
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Bio 161 Exam 5 Practice Questions with 
 
Verified Solutions 
 
1. What is the primary function of osteoprogenitor (osteogenic) cells? 
- a. produces all other cells of bone formation 
- b. synthesizes bone matrix 
- c. regulates bone growth 
- d. erodes bone matrix 
 
- Answer: a. produces all other cells of bone formation 
 
Explanation: Osteoprogenitor cells are responsible for generating all other types of bone cells 
involved in bone formation. 
 
2. What is the role of osteocytes in bone ...
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Bio 161 Exam 4 Review with Complete Solutions
- Exam (elaborations) • 8 pages • 2024
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Bio 161 Exam 4 Review with Complete 
 
Solutions 
 
What is another term for an individual muscle cell? 
 
- Answer: Muscle fiber 
 
Define fasicle in the context of muscle anatomy. 
- Answer: A cluster of muscle cells within the core of a muscle. 
 
Explain the function of the sarcolemma in skeletal muscle cells. 
- Answer: The sarcolemma serves as the outer membrane of skeletal muscle cells, 
maintaining cell integrity and regulating ion movement. 
 
Describe the sarcoplasm and its role wit...
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PSU Bio 161 Exam 1 CQ/ PreWeek/ WrapUP (Body Tissue) Latest Version Graded A+
- Exam (elaborations) • 9 pages • 2024
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PSU Bio 161 Exam 1 CQ/ PreWeek/ 
WrapUP (Body Tissue) Latest Version 
 
Graded A+ 
 
Question 1: How would you describe epithelial tissue based on its role and location in the body? 
 
- a. covers and lines body surfaces 
- b. supports and connects organs 
- c. stores and secretes substances 
- d. provides structural support 
- Answer: a. lines organs, glands, body cavities, ducts, and the surface of our skin 
 
Explanation: Epithelial tissue forms the lining of various organs, glands, body cav...
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Bio 161 Exam 1 Practice Questions and Answers (2024/2025) 100% Pass
- Exam (elaborations) • 8 pages • 2024
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Bio 161 Exam 1 Practice Questions and 
Answers (2024/2025) 100% Pass
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