HESI A2 Anatomy and Physiology questions and answers graded A+.

HESI A2 Anatomy and Physiology questions and answers graded A+. Which of the following is NOT a function of the digestive tract? - correct perform gas exchange What are functions of the digestive tract? - correct answers.To remove waste from the body, to use peristalsis to move food along, and to use enzymes to break down food. The body, at all times, attempts to maintain homeostasis. The best definition of homeostasis is: - correct answers.a process that maintains the stability of the human body's internal environment in response to changes in internal and external conditions. The endocrine system of the body is responsible for: - correct nication through the use of hormones. The endocrine system of the body manufactures hormones, which stimulate cells. to perform certain actions. Hormones can be considered signaling molecules Anatomical position shows the body in a(n) ______ position. - correct answers.In anatomical position, the body is in an anterior (forward-facing) position with palms facing anterior as well. Vitamin K is created in - correct answers.The intestinal tract contains bacteria that synthesize vitamin K that can be used throughout our body. The largest organ in the body is the _____. - correct answers.The skin is considered an organ and is therefore the largest in the body. A medical scientist wants to study the parenchyma of the kidney. This scientist would correctly be known, most specifically, as a: - correct answers.Histologist; Where biology focuses on life, in general, histology is the study of tissues. Because it is not clear whether the scientist has a degree, doctor may not be appropriate. An anatomist would be studying the structure of the body in general, and not specifically tissues of the kidney. What is Erythropoiesis? - correct answers.Red blood cell formation; Blood cell formation is called Hemopoiesis. Erythropoiesis is the process which produces erythrocytes (red blood cells). In which of the body is keratin found? - correct answers.Keratin is a family of fibrous structural proteins. Keratin is the key structural component of hair, nails, and the outer layer of human skin. What is the relationship between sarcomeres and muscle cells? - correct answers.Muscle cells contain myofibrils, which are made up of sarcomeres. A person who has torn their vastus lateralis muscle will need which of the following? - correct answers.The vastus lateralis muscle is a voluntary muscle in the legs. It is a part of the quadriceps. This person will most likely need a cane or crutches to assist in walking. Muscles produce contraction due to the sliding action of: - correct answers.During muscle contraction, filaments slide together by using energy supplied by ATP. The medulla oblongata has what primary responsibility? - correct answers.The medulla oblongata is responsible for basic vital functions, including respiration and heart rate. Which of the following is true about simple reflexes? - correct answers.Simple reflexes, known also as spinal reflexes, travel through the spinal cord only, and do not reach the brain. What is the primary role of estrogen in the female reproductive system? - correct answers.The primary role of estrogen is to thicken the endometrium in preparation for pregnancy. What is the name of the structure that transfers urine from the kidneys to the bladder? - correct answers.The ureters are the structures that allow urine to flow from the kidneys to the bladder. Humans can survive most easily without which of the following? - correct answers.The gallbladder's function is to store bile, but the GI tract is more than capable of producing bile to digest fat without it. (However you must limit the amounts of fat you intake at a time). Which of the following are roles of cortisol? - correct answers.- Reducing inflammation. - Raising the blood sugar level. - Inhibiting the release of histamine. What system controls motor impulses? - correct answers.The nervous system controls motor impulses How many pair of spinal nerves are known to exit the spinal cord? - correct answers.31 The spinal cord reaches from the base of the skull to the first or second lumbar vertebra. The base of the skull is also known as: - correct answers.The foramen magnum is the name for the base of the skull. The cerebellum and corpus callosum are parts of the brain. Filaments are inside muscle cells.