APHY 102

APHY 102 IVY TECH MIDTERM EXAM QUESTIONS WITH COMPLETE ANSWERS {GRADED A+} What is a hormone and how does it act? - Hormones are chemical messengers that are responsible for regulation. They are secreted into body fluids, mainly blood. It has specific actions on target tissues, which are any tissue that has specific receptors for that particular hormone. What is a paracrine gland? - a secretion that enters interstitial fluid but affects only neighboring cells What is an autocrine...

APHY 102 EXAM 3 QUESTIONS AND ANSWERS What are the organs of the respiratory system and where are they located? The organs of the respiratory system can be found in the head, neck, and thoracic cavity and include: -Blood vessels of the pulmonary circuit -Rib cage -Respiratory muscles -Lungs -Respiratory tract What is the respiratory tract, and where does gas exchange occur within it? A system of hollow tubes, and gas exchange occurs in the alveoli. The upper passages are from _______...

APHY 102 Exam 3 Chapter (19-21) Questions and Answers 2024 The events of respiration are ventilation, external and internal Breathing functions to deliver oxygen to cells, where it takes part in the reactions of cellular respiration that liberate energy from nutrient molecules and get rid of carbon dioxide, which maintains the pH of the internal environment. The mucous membrane lining the nasal cavity warms incoming air. moistens incoming air. entraps dust. correct all of the above. ...

APHY 102 Exam 3 Chapter (19-21)Review Questions and Answers 2024 The superior portion of the heart where major blood vessels enter and exit is the: Base Apex Inferior border Left border Base The inferior point of the heart is called the: Base Apex Inferior border Left border Apex Most of the mass of the heart lies to the ______ of the midline: Area above Area below Left Right Left Most of the middle layer in the heart wall is composed of: Cardiac muscle cells Chond...

APHY 102 Exam 1 Endocrine System and Blood Questions and Answers Virtually all amino acid-based hormones exert their signaling effects through intracellular ________. second messengers Which of the following is NOT a category of endocrine gland stimulus? enzymatic Chemical substances secreted by cells into the extracellular fluids that travel through the blood and regulate the metabolic function of other cells in the body are called ________. hormones Which of the following is NOT a car...

APHY 102 Exam 1 Chapters 13 – 15 Questions and Answers Hormones from the adrenal medulla increase blood pressure heart rate breathing rate Secretions that affect only nearby cells are termed paracrine Steroid hormones are soluble in lipids combine with protein receptor molecules cause messenger RNA synthesis The hormone that stimulates calcium deposition into bone is calcitonin The pineal gland is attached to the thalamus. Which of the following hormones primarily affects the ...

APHY 102 Blood Exam with correct Answers 100% The amount of blood the average adult has 4.7-5.5 liters makes up majority of blood Plasma What percentage of the blood is plasma 55% List the protective functions of blood phagocytosis, antibody production, blood clotting/coagulation What is the combination of plasma and formed elements called whole blood what does hematocrit measure percentage of red blood cells in the blood what is the normal PH range for blood 7.35-7.45 which pla...

APHY 102 Anatomy and Physiology Study Questions Endocrine System with correct Answers List the steps of the action of most non steroid hormones 1. Combines with receptor site on membrane, activating G protein 2. Adenylate cyclase is activated by G protein in target cell 3. Adenylate cyclase converts ATP to Cyclic AMP 4. Cyclic AMP activates protein kinases 5. Protein kinases activate protein substrates in the cell that change metabolic processes 6. Cellular changes produces the hormones...

IvyTech APHY 102 Midterm new Exam with correct Answers compared to the nervous system, the endocrine system may have a longer lasting effect A hormone is a _______________ and the target cell is_______________________. molecule that has a metabolic effect on another cell; a cell that has receptors for specific hormones. In an ECG pattern, the P wave is caused by depolarization of atrial muscle fibers. The great saphenous vein is the longest vein in the body. True The typ...

APHY 101 IVYTECH test 1, midterm, test 3, final Signs of aging at the cellular level are: impaired cell division and the ability to break down and recycle worn cell parts. In all organisms, the basic unit of structure and function is The cell The thoracic cavity lies _____________ the abdominopelvic cavity. Superior to The diaphragm separates the thoracic and the abdominopelvic cavities. T/F True Which action is the main function of the digestive system? Absorption of n...