ANA 109- EXAM 1 with correct answers 100% 2026

ANA 109- EXAM 1 with correct answers 100% 2026 What kind of feedback loop regulates body temperature? - Correct Answer Negative The process by which the body maintains a constant internal temperature is known as? - Correct Answer Homeostasis The structure that is composed of two or more tissue types that work together to perform specific functions for the body. - Correct Answer Organ Functional characteristics of life - Correct Answer -energy utilization -growth/repair -responsiveness to stimuli -adaptation -reproduction An assemblage of cells that come together to carryout the same physiological process are known as? - Correct Answer tissue The organ system of the body that functions in the secretion of regulatory molecules called hormones is the ______________ system. - Correct Answer Endocrine John is working near a hot surface when he accidentally leans up against it. Almost instantly and without thinking, he reacts by pulling his hands away from the surface without getting burned. This is because his ______________ system responds fastest to changes in environmental stimuli. - Correct Answer Nervous system Feed forward mechanisms enable small changes in desired outcomes to further stimulate the physiological response. Which of the following is a good example of a positive feedback mechanism? - Correct Answer Enhancement of labor contractions Which of the following imaging devices would best visualize a tumor in a person's brain? - Correct Answer MRI Which of the following processes are not essential for individual survival? - Correct Answer a.) Adaptation b.) Sensing changes in the environment and then reacting or responding to them c.) The nervous system causing all living things to be responsive d.) *Reproduction* Which of the following best describes the operation of the mouth, stomach, liver, small intestine, and large intestine to break down substrates for energy production? - Correct Answer Digestive physiology Which of the following best describes a transverse cut/section? - Correct Answer Horizontal superior and inferior portion of the body The study of large body structures that are visible to the naked eye - Correct Answer Macroscopic anatomy For the body to increase breathing in response to increased carbon dioxide production, what must the body possess? - Correct Answer Ability to respond to changes in carbon dioxide levels Sort in order of increasing levels of complexity. - Correct Answer -atom -molecule -macromolecule -organelles -cells -tissues -organs -organ system -organism Anatomy is the study of ________. - Correct Answer the normal structure of the human body Physiology is the study of ________. - Correct Answer the processes that cells carry out to survive What are the 4 main biomolecules? - Correct Answer -protein -lipid -carbohydrate -nucleic acids Building block of proteins - Correct Answer amino acids Building block of lipids - Correct Answer no single building block for all lipids Building block of carbohydrates - Correct Answer monosaccharides Building block for nucleic acids - Correct Answer nucleotides What is the heart an example of? - Correct Answer Organ Bitter taste perception is an important protective mechanism in humans and animals. Bitter tastes are usually linked to poisonous, spoiled, or generally non-desirable food choices and thus, avoiding such choices can protect from illness. This is an example of ________. - Correct Answer adaptation The four major categories of tissues are _____. - Correct Answer Epithelial tissue Muscle tissue Nerve tissue Connective tissue Groups of cells that are similar in structure and perform a common or related function form ______. - Correct Answer tissue