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Introduction to Human Anatomy and Physiology Exam: Multiple Choice Questions with Answers, Exams of Nursing

A series of multiple-choice questions covering fundamental concepts in human anatomy and physiology. Each question is followed by the correct answer and a brief explanation. The topics covered include homeostasis, feedback mechanisms, levels of organization, and essential life-sustaining factors. This resource can be valuable for students preparing for exams or seeking to reinforce their understanding of key physiological principles.

Typology: Exams

2024/2025

Available from 11/12/2024

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Introduction to Human Anatomy and
Physiology Exam Latest Version with
Answers.
1. Identify a characteristic of a negative feedback mechanism. - Correct
Ans:โœ”โœ” The response to the deviation from set point is in the
opposite direction relative to the initial change.
2. Bodily changes are detected and responses are activated that
reverse that change and restore stability during - Correct Ans:โœ”โœ”
Negative feedback
3. During a race, the body temperature of a runner increases. The
runner responds by perspiring (sweating), which lowers body
temperature. This process is an example of ___. - Correct Ans:โœ”โœ”
Negative feedback
4. What is the control center for the homeostatic mechanism that
regulates body temperature? - Correct Ans:โœ”โœ” Hypothalamus
5. Body temperature is maintained by ___ feedback mechanisms. -
Correct Ans:โœ”โœ” Negative
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Download Introduction to Human Anatomy and Physiology Exam: Multiple Choice Questions with Answers and more Exams Nursing in PDF only on Docsity!

Introduction to Human Anatomy and

Physiology Exam Latest Version with

Answers.

  1. Identify a characteristic of a negative feedback mechanism. - Correct Ans:โœ”โœ” The response to the deviation from set point is in the opposite direction relative to the initial change.
  2. Bodily changes are detected and responses are activated that reverse that change and restore stability during - Correct Ans:โœ”โœ” Negative feedback
  3. During a race, the body temperature of a runner increases. The runner responds by perspiring (sweating), which lowers body temperature. This process is an example of ___. - Correct Ans:โœ”โœ” Negative feedback
  4. What is the control center for the homeostatic mechanism that regulates body temperature? - Correct Ans:โœ”โœ” Hypothalamus
  5. Body temperature is maintained by ___ feedback mechanisms. - Correct Ans:โœ”โœ” Negative
  1. When body temperature decreases, ___ occurs in order to increase the temperature back to the body's set point - Correct Ans:โœ”โœ” Vasoconstriction in the skin
  2. A process that moves conditions away from the normal state is called a ___ feedback mechanism. - Correct Ans:โœ”โœ” Positive
  3. Which of the examples describes positive feedback mechanisms? - Correct Ans:โœ”โœ” A mechanism that increases the strength of uterine contractions during childbirth.
  4. Most feedback mechanisms in the body are ___ feedback mechanisms. - Correct Ans:โœ”โœ” Negative
  5. Indicate which three statements are true regarding homeostatic mechanisms. - Correct Ans:โœ”โœ” They help regulate body temperature and blood pressure
  6. They maintain the concentration of water, nutrients and oxygen within narrow limits.
  7. They allow an organism to survive
  1. Hypothalamus detects a negative deviation from set point, sends signals to effectors
  2. Skin blood vessels constrict, sweat glands are inactive
  3. Body temperature increases back to set point and body heat is conserved
  4. Match the level of organization with example(s) of those levels. - Correct Ans:โœ”โœ” Atom-Hydrogen
  5. Organelle-Mitochondrion
  6. Tissue-Epithelium
  7. Organ-Heart
  8. The fluid that bathes the cell (extracellular fluid) is considered part of the ___ environment. - Correct Ans:โœ”โœ” Internal
  9. What word describes the condition of a stable internal environment? - Correct Ans:โœ”โœ” Homeostasis
  10. Cells of the body are ___, meaning they relay on each other for survival. - Correct Ans:โœ”โœ” Interdependent
  1. Some substance move in the body down a pressure ___, such as from high pressure to low pressure. - Correct Ans:โœ”โœ” Pressure gradient
  2. What is cellular differentiation? - Correct Ans:โœ”โœ” The process of cells becoming specialized
  3. What are feedback loops? - Correct Ans:โœ”โœ” Homeostatic mechanisms that allow for cell-to-cell communication to maintain a stable environment
  4. The procedure called a(n) ___ utilizes high-frequency sound waves to produce images of structures of the body. - Correct Ans:โœ”โœ” Sonography
  5. What is an imaging technique that utilizes magnetic fields and radio waves? - Correct Ans:โœ”โœ” MR imaging
  6. True or false: Most homeostatic mechanisms in the body are negative feedback mechanisms. - Correct Ans:โœ”โœ” True
  7. Unlike negative feedback mechanisms, positive feedback mechanisms temporarily produce ___ conditions, which are, however, very specific, have defined end-results, and are short-lived
    • Correct Ans:โœ”โœ” Unstable

๏‚ท Control center (set point)

  1. A ___ mechanism is a self-regulating control system that helps maintain some aspect of internal environment. - Correct Ans:โœ”โœ” homeostatic
  2. The function of the human ___ system is to maintain the human species from generation to generation. - Correct Ans:โœ”โœ” Reproductive
  3. Digestion of ___ (one of the requirements for organisms) is necessary to provide the body with nutrients. Some of these chemicals are used as energy sources, others as raw material for building new living matter or to regulate chemical reactions. - Correct Ans:โœ”โœ” Food
  4. ___ is the general term that refers to the sum total of all chemical reactions occurring in cells to obtain, release, and use energy. - Correct Ans:โœ”โœ” Metabolism
  5. The ___ environment is the environment within the body in which the cells live in. - Correct Ans:โœ”โœ” Internal
  1. Identify the organ systems that sustain the life of an individual human: - Correct Ans:โœ”โœ” I. Respiratory system II. Nervous system III. Endocrine system IV. Cardiovascular system V. Lymphatic system
  2. Match term with the phrase it best completes: - Correct Ans:โœ”โœ” I. Respond- II. Transport- III. Growth- IV. Reproduce-
  3. "Food" is a general term for nutrients that ___. - Correct Ans:โœ”โœ” Provide raw materials for growth and repair of living matter
  4. Supply chemical energy that can be converted to a form cell can use
  5. What role does oxygen play in that maintenance of life? - Correct Ans:โœ”โœ” Oxygen is used to drive the extraction of energy from food nutrients.
  1. Heat- A form of energy that helps regulate the rate of metabolic reactions
  2. Pressures- Physical forces that influence the movement of substance into, through and out of the body
  3. What factor of life is a form of energy necessary in regulating the rates of metabolic reactions? - Correct Ans:โœ”โœ” Heat
  4. Within the human body the most abundant chemical compound is ___. - Correct Ans:โœ”โœ” Water
  5. An example of a stimulus is ___. - Correct Ans:โœ”โœ” A specific change in the condition of the environment
  6. A(n) ___ is a molecule, cell, or organ that directly carries out a response to a stimulus. - Correct Ans:โœ”โœ” Effector
  7. Water contributes to the maintenance of life in many ways, including, which three ways listed below. - Correct Ans:โœ”โœ” Serving as a medium for chemical reactions in the body
  1. Serving as a solvent inside cells as well as in fluids that transport substance throughout the body
  2. Regulations of body temperature
  3. The set point of a homeostatic mechanism (e.g. body temperature or hormone levels) is the ___. - Correct Ans:โœ”โœ” Normal value for a condition
  4. The term for the branch of science that is concerned with the study of body functions is ___. - Correct Ans:โœ”โœ” Physiology
  5. True or false: The function of a particular body part is not related to the way the part is constructed or organized - Correct Ans:โœ”โœ” False
  6. Match each term with the meaning of its prefix (First part of term) or suffix (last part of term). - Correct Ans:โœ”โœ” ๏‚ท Cerebrum-Largest part of the brain ๏‚ท Nasal-Pertaining to the nose ๏‚ท Parietal membrane - Membrane that lines the wall of a cavity ๏‚ท Pleural membrane- membrane that encloses the lungs ๏‚ท Superior- body part located above author