AMU BIO 250/ BIOL250 quiz 1 | Answered 100% all correct | Updated Fall 2025/26.

Quiz 1 Bio 250 1. This is the physiological value around which the normal range fluctuates? Question options: Average point Set point Median point Normal point Hide question 1 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.5. Question 2 4 / 4 points What is the metabolic process by which larger, more complex substances are broken down into smaller, simpler molecules? Question options: Organization Catabolism Differentation Anabolism Hide question 2 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.3. Question 3 4 / 4 points The state of steady internal conditions maintained by living things is called this. Question options:Homosapien Homeostatic Homeostasis Homostasis Hide question 3 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.1. Question 4 4 / 4 points Which organ system is responsible for delivering oxygen and nutrients to tissues and equalizing the temperature in the body? Question options: Cardiovascular system Endocrine system Respiratory system Muscular system Hide question 4 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 5 4 / 4 points Which body function is responsible for increasing the number of existing cells, increasing, the amount of non-cellular material around cells, and increasing the size of existing cells? Question options: DifferentiationDevelopment Reproduction Growth Hide question 5 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.3. Question 6 4 / 4 points What percentage of atmospheric air is composed of oxygen? Question options: 30 40 50 20 Hide question 6 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.4. Question 7 4 / 4 points What is human physiology? Question options: The scientific study of the body's functions. The scientific study of the body's conditions. The scientific study of the body's purposes.The scientific study of the body's structures. Hide question 7 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.1. Question 8 4 / 4 points What level of organization is composed of two or more different organs that work closely together to perform the functions of a body system? Question options: Organismal Organ system Tissue Cellular Hide question 8 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 9 4 / 4 points The study of the structures that work together to perform a unique body function is called what? Question options: Regional anatomy Systemic anatomy Microscopic anatomy Gross anatomy Hide question 9 feedbackFeedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.1. Question 10 4 / 4 points Which organ system is responsible for producing sex hormones and producing milk for an infant? Question options: Lymphatic system Urinary system Reproductive system Endocrine system Hide question 10 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 11 4 / 4 points This is the highest level of organization and can independently perform all the physiologic functions necessary for life. Question options: Tissue System Organism Cellular Hide question 11 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2.Question 12 4 / 4 points Which organ system is responsible for enclosing internal body structures and is the site of many sensory receptors? Question options: Integumentary system Skeletal system Nervous sytem Muscular system Hide question 12 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 13 4 / 4 points In a negative feedback system, what is component that causes a change to reverse the situation and return to the value in the normal range? Question options: Stimulus Sensor Effector Control Center Hide question 13 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.5. Question 14 0 / 4 points Water makes up approximately what percentage of an adult's body mass? Question options:25 85 50 70 Hide question 14 feedback Feedback Incorrect. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.4. Question 15 4 / 4 points Hydrogen, oxygen, carbon, nitrogen, calcium, and iron are all examples of what? Question options: Element Atom Molecule Cell Hide question 15 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 16 4 / 4 points Which organ system is responsible for controlling water balance in the body and removing waste from blood and excreting it? Question options: Lymphatic system Cardiovascular systemUrinary system Digestive system Hide question 16 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 17 4 / 4 points What is the metabolic process whereby smaller, simpler molecules are combined into larger, more complex substances? Question options: Catabolism Organization Anabolism Differentiation Hide question 17 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.3. Question 18 4 / 4 points The ability of an organism to adjust to changes in either its internal or external environments is called ___________. Question options: responsiveness growth movement homeostasisdevelopment Hide question 18 feedback Feedback Good work; your answer is correct! Question 19 4 / 4 points Which of the following statements is(are) correct when discussing homeostasis? Question options: Maintaining homeostasis requires that the body continuously monitor its internal conditions. A sensor, also referred to a receptor, is a component of a feedback system that monitors a physiological value. This value is then reported to the control center. The control center is the component in a feedback system that compares the value to the norm If there is a condition that needs to be changed, an effector is the component in a feedback system that causes a change to reverse the situatio range. All of the above are correct/true. Hide question 19 feedback Feedback Good work; your answer is correct! Question 20 4 / 4 points Which of the following are considered primary requirements of life for a multi-celled organism? Question options: Oxygen Water and other nutrients A controlled temperature in which to live A narrow range of atmospheric pressureAll the above are primary requirements of life for a multi-celled organism. Hide question 20 feedback Feedback Good work; your answer is correct! Question 21 4 / 4 points Organization, metabolism, responsiveness, movement, development, growth and reproduction all together are called __________ of a human body. Question options: functions anatomy anabolism catabolism structures Hide question 21 feedback Feedback Good work; your answer is correct! Question 22 4 / 4 points Physiology… Question options: is the study of the structures of the body. explains how the structures of the body work together to maintain life. is the study of the structures that make up a discrete body the study of the interrelationships of all of the structures in a specific body region. cannot be studied all by itself. Hide question 22 feedback Feedback Good work; your answer is correct! Question 23 4 / 4 points The following are all levels of the structural organization of the human body: 1. Organ 2. Organ system 3. Tissue 4. Cell 5. Chemical level Arrange the above levels from least complex to most complex: Question options: 5, 4, 3, 1, 2 3, 4, 1, 2, 5 4, 5, 1, 2, 3 5, 4, 6, 2, 1 1, 2, 3, 4, 5 Hide question 23 feedback Feedback Good work; your answer is correct! Question 24 4 / 4 points A collection of similar tissues that performs a specific function is an ________. Question options: organ organ systemorganism organelle specific tissue Hide question 24 feedback Feedback Good work; your answer is correct! Question 25 4 / 4 points The smallest independently functioning unit of a living organism is a(an): Question options: tissue atom molecule cell organ Attempt 2…. Question 1 4 / 4 points Which organ system is responsible for secreting hormones and regulating bodily processes? Question options: Cardiovascular systemLymphatic system Respiratory system Endocrine system Hide question 1 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 2 4 / 4 points Which organ system is responsible for detecting and processing sensory information and activating bodily responses? Question options: Integumentary system Nervous system Endocrine system Reproductive system Hide question 2 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 3 4 / 4 points What is the smallest independently functioning unit of a living organism? Question options: Element Organ AtomCell Hide question 3 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 4 4 / 4 points What is the study of the structures of the body, visible only WITH the aid of magnification? Question options: Gross anatomy Microscopic anatomy Regional anatomy Systemic anatomy Question 5 0 / 4 points How many distinct levels of organization are there in the human body? Question options: 4 5 6 7 Hide question 5 feedback Feedback Incorrect. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 6 4 / 4 points Which organ system is responsible for removing carbon dioxide from the body and delivering oxygen to blood?Question options: Cardiovascular system Muscular system Respiratory system Lymphatic system Hide question 6 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 7 4 / 4 points What is the most critical nutrient for the human body? Question options: Proteins Lipids Water Carbohydrates Hide question 7 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.4. Question 8 4 / 4 points Every cell in the body uses what chemical compound to store and release energy. Question options: Sodium (Na)Carbon Dioxide (CO2) Adenosine Triphosphate (ATP) Water (H2O) Hide question 8 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.3. Question 9 4 / 4 points What are the tiny functioning units found within the cytoplasm called? Question options: Organ systems Organs Organisms Organelles Hide question 9 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 10 4 / 4 points How many "functions" of human life are there? Question options: 4 6 35 Hide question 10 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.3. Question 11 4 / 4 points Which function of human life deals with the ability of an organism to adjust to changes in its internal and external environments? Question options: Responsiveness Movement Metabolism Organization Hide question 11 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.3. Question 12 4 / 4 points Which organ system is responsible for enabling movement and helping to maintain body temperature? Question options: Skeletal system Cardiovascular system Nervous system Muscular system Hide question 12 feedbackFeedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 13 4 / 4 points Which physiological response is due to a "positive feedback loop"? Question options: Blood pressure regulation Blood loss regulation Body temperature regulation Blood sugar regulation Hide question 13 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.5. Question 14 4 / 4 points What is an anatomically distinct structure of the body composed of two or more tissue types with the purpose of performing one or more specific physiological functions? Question options: Organ Chemical Cell Tissue Hide question 14 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 15 4 / 4 pointsWhich organ system is responsible for processing food used by the body and removing waste from undigested food? Question options: Digestive system Urinary system Respiratory system Reproductive system Hide question 15 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.2. Question 16 4 / 4 points Which is NOT one of the functions of human life? Question options: Organization Metabolism Unresponsiveness Reproduction Hide question 16 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.3. Question 17 4 / 4 points What is human anatomy? Question options: The scientific study of the body's functions.The scientific study of the body's conditions. The scientific study of the body's purposes. The scientific study of the body's structures. Hide question 17 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section. Section 1.1. Question 18 4 / 4 points Which of the following statement(s) is(are) correct? Question options: Anabolism is a process in which complex structures or molecules are broken down into much simpler ones. Catabolism is a process in which simple molecules can be combined to form more complex molecules or tissues. Metabolism is the sum of all anabolic and catabolic reactions that take place in the body. A waste product of all the reactions that take place in a cell is the molecule ATP. All of the above statements are correct. Hide question 18 feedback Feedback Good work; your answer is correct! Question 19 4 / 4 points Which of the following statements is/are true? Question options: The heart is located in the thoracic cavity.The lungs are located in the abdominal cavity. The brain is located in the cranial cavity. The intestines are located in the abdominal cavity. A, C, and D are all correct and true. Hide question 19 feedback Feedback Good work; your answer is correct! Question 20 4 / 4 points Which of the following statements is true? Question options: Human anatomy is the scientific study of the body's structures. Gross anatomy is the study of the larger structures of the body. C. Microscopic anatomy is the study of structures that can be observed only with the use of a microscope or other magnification devices. Human physiology is the scientific study of the chemistry and physics of the structures of the body and how they work together to support th All of the above statements are true. Hide question 20 feedback Feedback Good work; your answer is correct! Question 21 4 / 4 points If some condition of the body needs to be returned to its "set point", i.e. homeostasis, then a(n) _________ feedback loop comes into play. Question options:continuous outside reversed positive negative Hide question 21 feedback Feedback Good work; your answer is correct! Question 22 4 / 4 points Almost all of the liver of a human being is located in which abdominopelvic quadrant? Question options: Epigastric quadrant Right lower quadrant (RLQ) Right upper quadrant (RUQ) Left lower quadrant (LLQ) Left upper quadrant (LUQ) Hide question 22 feedback Feedback Good work; your answer is correct! Question 23 4 / 4 points What is the position of the body when it is in the "normal anatomical position?" Question options:The person is standing facing the observer, with upper limbs extended straight up and lower limbs close together. The person is prone with upper limbs, including palms, touching sides and lower limbs touching at sides. The person is supine with upper limbs, including palms, touching sides and lower limbs touching at sides. The person is standing facing the observer, with upper limbs extended down and palms of both hands facing forward and with the lower limb straight forward. The person is standing facing the observer, with upper limbs extended out at a ninety-degree angle from the torso and lower limbs in a wide s Hide question 23 feedback Feedback Good work; your answer is correct! Question 24 4 / 4 points Which of the following statement(s) is(are) correct? Question options: Regional anatomy is the study of the interrelationships of all of the structures in a specific body region Systemic anatomy is the study of the structures that make up a discrete body system. Your study of anatomy and physiology will make more sense if you continually relate the form of the structures you are studying to their func Like most scientific disciplines, anatomy has areas of specialization. All of the above statements are true. Hide question 24 feedback Feedback Good work; your answer is correct! Question 25 4 / 4 points Humans have the most urgent need for a continuous supply of ________. Question options:water a controlled temperature oxygen nitrogen food Hide question 25 feedback Feedback Good work; your answer is correct!