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A&P 1
Chapter 1 Test
| Question | Answer |
|---|---|
| What requirement of life is the most abundant chemical in the body and is the major component of extracellular fluid? | Water |
| The upper midportion of the abdomen is called the_________ region. | epigastric |
| Magnetic resonance imaging uses__________. | Radio Waves |
| The organ systems responsible for integration and coordination are the nervous and endocrine systems. | True |
| What is illustrated by the recent discovery of taste receptors in the small intestine that detect sweetness? | New discoveries about anatomy and physiology are still being made. |
| Name two types of cavities found in the head. | Paranasal sinuses and nasal cavity |
| What process is defined as the removal of wastes? | Excretion |
| We know all there is to know about the structure and function of the human body. | False |
| What is the origin of the term "anatomy"? | From the Greek word for "cutting up". |
| Which of the following characteristics of life and their descriptions is correct? | Circulation: the movement of substances in body fluids. |
| The ability of an organism to sense and react to changes in its body is an example of__________. | responsiveness |
| The muscular system is responsible for body movements, maintenance of posture, and production of body heat. | True |
| The activities of an anatomist consist of__________, whereas those of a physiologist consist of__________. | observing body parts; studying functions of body parts |
| A body has been sectioned in such a way that both lungs and the urinary bladder are visible. What type of section was used? | Frontal |
| At what level of organization is skin? | Organ Level |
| What type of investigator conducts an experiment to determine how temperature changes affect the rate at which the heart beats? | Physiologist |
| The digestive system filters wastes from the blood. | False |
| In all organisms, what is the basic unit of structure and function? | The cell |
| Which of the following lists best illustrates increasing levels of complexity? | Organelles, cells, tissues, organs, organ systems |
| What is the definition of homeostasis? | The maintenance of stable internal conditions. |
| What is assimilation? | The changing of absorbed substances into different chemical forms. |
| Ceroid pigments and lipofuscin accumulate with aging, impairing the ability of a cell to withstand the damaging effects of oxygen free radicals. | True |
| You accidentally cut your hand. Blood platelets in the area begin to attach to the broken blood vessel walls in the wound. What needs to happen next to create a positive feedback mechanism? | The platelets change shape and encourage more platelets to rush in and stick to each other to form plugs that seal the broken vessels. |
| The field of medicine arose as early healers abandoned superstitions and ideas about magic and started using natural chemicals and wondering why they were effective at treating illness. | True |
| Chromosomes get longer as a cell ages. | False |
| When the body is placed in the anatomical position, which of the following is not true? | The palms are facing backwards. |
| What term refers to an increase in body size without overall change in shape? | Growth |
| Which of the following diseases would originate in the abdominopelvic cavity? | Pancreatitis |
| In negative feedback mechanisms, what occurs due to changes that move a variable away from the normal state? | Stimulation to change the variable in the opposite direction. |
| Simple squamous epithelium is an example of which organizational level? | Tissue |
| The integumentary system is superficial to the skeletal system. | True |
| What organ system includes the kidneys? | Urinary system |
| A researcher has questions about the functions of the greater omentum, a structure found in the abdominal cavity. They begin researching its various functions. This researcher is studying the physiology of the organ. | True |
| Which of the following are typically required to maintain a stable internal environment? | Negative feedback mechanisms. |
| Homeostasis is the maintenance of an unstable internal environment. | False |
| The pancreas releases hormones. It also releases enzymes needed to break down food. Because of this dual role, the pancreas could be considered part of what two organ systems? | Endocrine and digestive systems |
| Absorption is the ability to exhale carbon dioxide. | False |
| A parietal layer of a serous membrane__________, whereas a visceral layer of a serous membrane__________. | lines cavities; covers organs |
| Reproduction is the change in body characteristics over time. | False |
| Which is a physiological description rather than an anatomical one? | Heart muscle is under involuntary control and is fatigue resistant. |
| What type of structures can be visualized using ultrasonography? | Soft internal structures, such as fetuses. |
| Temperature is a form of energy, whereas heat is a measurement of the intensity of the temperature. | False |
| Which of the following processes does not help to maintain the life of an individual organism? | Reproduction |
| Kidneys are part of the lymphatic system. | False |
| Pneumothorax (collapsed lung) is a condition that occurs when an air-filled space forms between the lung and the wall of the pleural cavity. This space would be between which two layers? | Parietal pleura and visceral pleura |
| What is the anatomical term that indicates a structure close to the surface? | Superficial |
| A body in the anatomical position is lying down, as a cadaver would be positioned. | False |
| Aging begins in the fetus. | True |
| An older adult would be less vulnerable to emerging influenzas and other seasonal viruses due to increased cell efficiency and heightened cell division. | False |
| Which of the following is not true of organelles? | They are only in cells of humans. |
| Reproduction is the change in body characteristics over time. | False |
| What causes wrinkling and sagging of the skin? | ... |
| The maintenance of a steady body temperature in the face of fluctuating environmental conditions illustrates homeostasis. | True |
| Paired organs that are bilateral, on the left and right side of the body, would be separated by a midsagittal section. | True |
| Temperature is a form of energy, whereas heat is a measurement of the intensity of the temperature. | False |
| The anatomy of a body part is closely related to its physiology. | True |
| Kidneys are part of the lymphatic system. | False |
| What is the effect of a positive feedback mechanism? | ... |
Created by:
Bbuck1
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