Anatomy and physiology exam 1

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Anatomy and physiology exam 1

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Explanation Melanocytes are pigment-producing cells found in the stratum basale of the epidermis. The dermis is the layer of skin beneath the epidermis and is composed of connective tissue.

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Anatomy and Physiology may be presented as two different subjects, but they are so closely linked that they are impossible to separate. In Elementary Biology, you learn that structure, even at the level of molecular biology, is directly tied to function. Anatomy and Physiology classes apply this rule in much greater detail. You gain in-depth knowledge of structures in the Anatomy sections of the course, and you are introduced to the specific implications of these structures in the Physiology section. Instruction in Anatomy often begins by discussing bodily structures including muscles, bones, organs, connective tissues, nerves, and vasculature. You learn the mechanics of these structures, implementing some biophysics material into your understanding of biological structures. It becomes important to understand the mechanical properties of various tissues during the physiological analysis, including force-tension analyses, bone structures, bioelectrical conduction, and other characteristics of muscle, bone, and nerves.

Anatomy and physiology exam 1

Which of the following specialties might focus on studying all of the structures of the ankle and foot? A scientist wants to study how the body uses foods and fluids during a marathon run. After you eat lunch, nerve cells in your stomach respond to the distension the stimulus resulting from the food. Which of the following is an example of a normal physiologic process that uses a positive feedback loop?

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Additionally, adipocytes are fat cells and are not found in blood. Explanation The plasma membrane is composed of a double layer of lipids, known as a bi-layer, which surrounds the cell and acts as a barrier. Explanation The joining of 3 fatty acid molecules and a glycerol molecule, with the subsequent removal of 3 water molecules, forms a triglyceride. Childbirth: head to the cervix, oxytocin, uterine contraction. Explanation Water's ability to support life can be attributed to several properties, including cohesion, solvency, and thermal stability. Van der Waals forces, on the other hand, are weak intermolecular forces that are not specific to water and do not play a significant role in its ability to support life. Therefore, the correct answer is "shrivel crenate. Explanation The correct answer is both A and C. Please sign in to add to folders. Correct Answer A. Tendons are fibrous connective tissues that connect muscles to bones, providing strength and stability to the joints. Describe axial and appendicular regions. An individual that stands upright with the feet parallel and flat on the floor, the upper limbs are at the sides of the body, and the palms face anteriorly toward the front ; the head is level, and the eyes look forward toward the observer. Anatomical position.

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Describe the frontal plane. Explanation The correct answer is "membrane potential, muscular and nervous. Explanation Exocrine glands are responsible for secreting substances onto body surfaces or into body cavities through ducts. In this process, solutes move down their concentration gradient, meaning they move from an area of higher concentration to an area of lower concentration. Explanation Blood is classified as a type of connective tissue because it consists of a liquid ground substance called plasma that contains many cellular components, including platelets. Explanation The layer between an epithelium and the underlying connective tissue is referred to as the basement membrane. Rate this question:. Physiology, which is the study of how the body and parts of the body organs, bone structures, etc Control center sends output 6. Explanation When a blood or nerve cell is placed in a hypertonic solution, the concentration of solutes outside the cell is higher than inside the cell. Find out how you can intelligently organize your Flashcards. Upgrade Cancel.