Anatomy and physiology exam 1

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Anatomy and physiology exam 1

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Correct Answer C.

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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. In Anatomy, you also need to learn the names and positions of numerous structures, which requires a great deal of memorization. You become familiar with the actions, origins, and insertions of muscles, as well as the various protrusions and contours of the bones.

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.

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The active transporter does not play a direct role in this process and is therefore not part of a common feedback loop. Explanation In parts of the body, such as the urinary bladder, where considerable distension and stretching occurs, transitional epithelium is expected to be found. Since the father's X chromosome carries the color blindness gene and the mother is a carrier, their daughters will inherit one normal X chromosome from the mother and one X chromosome with the color blindness gene from the father. Vertical plane that divides the body or organ into left and right halves. This is the phase in which DNA synthesis occurs, and each strand of the original DNA molecule serves as a template for the synthesis of a new complementary strand. Childbirth: head to the cervix, oxytocin, uterine contraction. The Ventral refers to the Cohesion refers to the ability of water molecules to stick to each other, allowing for capillary action and the transport of nutrients in plants. Membrane potential, muscular and nervous. 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.

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This potential is responsible for the excitation of both muscular and nervous tissues. They are responsible for the development of melanoma, a type of skin cancer. The nucleus is surrounded by a single membrane called the nuclear envelope, which helps to protect and regulate the movement of molecules in and out of the nucleus. Internal cellular structures are referred to as cytosomes. Major: Posterior aspect: vertebral canal, cranial Anterior aspect: abdominal, pelvic abdominopelvic , thoracic includes pleural and pericardial Minor: Nasal, orbital, Synovial, middle ear. Explanation Cardiac muscle is the correct answer because it is the only type of muscle tissue that possesses both intercalated discs and striations. This is the first stage of mitosis where the nuclear membrane breaks down and the spindle fibers start to form. In this process, solutes move down their concentration gradient, meaning they move from an area of higher concentration to an area of lower concentration. Sign in Don't have an account? However, a hydroxyl functional group, which consists of an oxygen atom bonded to a hydrogen atom and is commonly found in molecules such as alcohols, is not a component of amino acid structure.