AMEDD Anatomy and Physiology Course Exam Questions with Correct Answers 2024 Anatomy can be defined as the study of which of the following? - Correct Answer Parts of the body Which of the following correctly describes the anatomical position of the human body? - Correct Answer Head is level, eyes directed anteriorly; feet flat on the floor and parallel; toes pointed anteriorly; upper limbs at sides of the body with palms facing anteriorly.Homeostasis is the ___1__ of the body's internal environment. The nervous system uses electrical signals called___2____ to transmit instructions that help bring back equilibrium. The endocrine system does the same by using glands to send out molecular messengers known as ____3___. The nervous and endocrine system maintain homeostasis by triggering ___4___. - Correct Answer 1.equilibrium
- nerve impulses
- hormones
- feedback systems
Which of the following components of a feedback system receives information regarding a desired response? - Correct Answer Effector A positive feedback system does which of the following? - Correct Answer Strengthens or reinforces a change in a controlled condition In a negative feedback system in which high blood pressure is detected and reduced to restore homeostasis, which of the following steps represents the action of effectors? - Correct Answer Heart rate slows and blood vessels dilate, decreasing blood pressure.Chemical Level - Correct Answer Includes atoms and molecules cellular level - Correct Answer includes cells, which are composed of chemicals and molecules tissue level - Correct Answer includes groups of cells and the material surrounding them organ level - Correct Answer composed of two or more different types of tissues 1 / 2
system level - Correct Answer includes related organs with a common function organism level - Correct Answer complete organism including all levels In order from smallest to largest - Correct Answer chemical, cellular, tissue, organ, system, organism a human stomach is an example of which of the following structural levels of organization - Correct Answer organ Which of the following major chemical elements makes up most of the total human body mass? - Correct Answer Oxygen Which of the following is one of the body's trace elements - Correct Answer Nitrogen Which of the four major chemical elements in the body forms backbone chains and rings of all organic molecules - Correct Answer Carbon What is the property of water that is described as the uneven sharing of valence electrons, which confers a partial negative charge near the one oxygen atom and two partial positive charges near the two hydrogen atoms in the molecule - Correct Answer polarity What property of water makes it an ideal medium for metabolic reactions since it dissolves so many different substances? - Correct Answer solvent What do enzymes do in the human body to speed up chemical reactions - Correct Answer Increase the activation energy need for reaction What are the smallest units of matter that retain the properties and characteristics of a chemical element such as oxygen - Correct Answer atoms Which of the cells main parts is a large organelle that houses most of the cells deoxyribonucleic acid (DNA) - Correct Answer Endoplasmic reticulum
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