APHY 102 (APHY102)

Ivy Tech Aphy 102 Summer 2023 Semester Chapter 20 Notes

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24 páginas

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Ivy Tech Summer 2023 Semester Anatomy and Physiology 102 (APHY102) Chapter 1 Class Notes

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24 páginas

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Within the nephron, the tubular fluid flows from the proximal convoluted tubule directly into the? correct answer: nephron loop Place the following blood vessels in order as blood would flow through them: -efferent arteriole -afferent arteriole -glomerulus correct answer: afferent arteriole glomerulus efferent arteriole List the four organs making up the urinary system correct answer: urinary bladder ureters kidneys urethra Identify the three main parts of a renal tubule corr...

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12 páginas

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When the ventricular walls contract correct answer: the mitral and tricuspid valves close What valve is indicated in the figure? correct answer: pulmonary valve A cold, pale foot could be a sign of a blockage of blood flow in the __________ artery. correct answer: popliteal What valve is located between the right atrium and the right ventricle? correct answer: tricuspid valve The right atrium receives blood directly from correct answer: the superior vena cava, inferior vena cava...

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What regulates pituitary gland secretion? correct answer: The pituitary gland is directly connected to the hypothalamus. Secretion from the 2 lobes of the pituitary gland is controlled by different methods by the hypothalamus What is a hormone and how does it act? correct answer: 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 fo...

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43 páginas

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Who regulates pituitary gland secretion? correct answer: the hypothalamus sends "messages" to the pituitary gland to release hormones What is a hormone and how does it act correct answer: a regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action. a synthetic substance with an effect similar to that of an animal or plant hormone. a person's sex hormones as held to influence behavior or mood. ...

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48 páginas

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What is a hormone and how does it act? correct answer: 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. Understand the role of negative feedback in control of hormone secretions. correct answer: A control mechanism in which rising level of a hormone leads to a decrease in hormone secretion What is a...

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Hormones from the adrenal medulla increase correct answer: blood pressure heart rate breathing rate Secretions that affect only nearby cells are termed correct answer: paracrine Steroid hormones correct answer: are soluble in lipids combine with protein receptor molecules cause messenger RNA synthesis The hormone that stimulates calcium deposition into bone is correct answer: calcitonin The pineal gland is correct answer: attached to the thalamus. Which of the following h...

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Who regulates pituitary gland secretion? correct answer: Releasing hormones from the hypothalamus What is a hormone and how does it act? correct answer: 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. Compare and contrast glucagon and insulin correct answer: Glucagon stimulates the liver to break ...

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61 páginas

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A person under stress may have a lowered resistance to infection. T or F correct answer: True The B vitamins are : a. essential for normal cellular metabolism b. involved in the oxidation of carbohydrates, lipids, and protiens c. grouped because they are in the same foods d. all of the above. correct answer: all of the above. Deficiency of vitamin__________ causes osteomalacia a. E b. D c. C d. A correct answer: b. D Circulation is vital because it a. inflates the...

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25 páginas

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Diabetes insipidus is caused by _____________. correct answer: ADH deficiency T/F: Persons with type AB blood are sometimes called universal donors. correct answer: False Steriod hormones ______________. correct answer: All of the above T/F Plasma contains fibrinogen, serum does not. correct answer: True Sweat gland is an example of a(n) _________ gland. correct answer: exocrine The percentage of red blood cells in a sample of human blood is normally about _______. correct a...

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What is a hormone and how does it act? correct answer: 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. Role of negative feedback in control of hormone secretions correct answer: Most hormones are controlled by negative feedback, in which the hormone feeds back to decrease its own production. This type...

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What is a hormone and how does it act? correct answer: 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. Paracrine Gland correct answer: Hormones enter interstitial fluid but affect only neighboring cells Autocrine Glands correct answer: Hormones affect only the secreting cell Endocrine Glands co...

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Hydrophobic correct answer: 1.) Fear of water. 2.) Steroid hormones: testosterone, estrogen. 3.) Fats. Hydrophilic correct answer: 1.) Love of water. 2.) Amino-acid hormones: insulin. If a hormone is a steroid based hormone, does it bind to a hormone receptor on the cell surface, or does it diffuse through the plasma membrane? correct answer: It diffuses through the plasma membrane. Steroid based hormones correct answer: Bind to internal receptors. Amino-acid based hormones ...

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Which of the following correctly matches a valve to its function? a. Pulmonary valve—permits one—way blood flow from the left ventricle to the aorta b. Tricuspid valve—permits one-way blood flow from the right to the left atrium c. Mitral valve—permits one—way blood flow from the left atrium to the left ventricle d. Aortic valve—permits one—way blood flow from the right ventricle to the pulmonary trunk correct answer: c A person under stress may have a lowered resistance ...

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Diabetes insipidus is caused by excess insulin. insulin deficiency. correct ADH deficiency. excess ADH. correct answer: ADH deficiency. T/F: Persons with type AB blood are sometimes called universal donors. correct answer: False Steroid hormones are soluble in lipids. combine with protein receptor molecules. cause messenger RNA synthesis. correct all of the above. correct answer: all of the above. T/F: Plasma contains fibrinogen, serum does not. correct True False co...

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Pheromones differ from hormones in that correct answer: they are transmitted between members of the same species With age, correct answer: levels of GH decrease but of ADH increase Diabetes insipidus is caused by correct answer: ADH deficiency A hormone is a __ and the target cell is __ correct answer: molecule that has a metabolic effect on another cell: a cell that has receptors for specific hormones What organ has both endocrine and exocrine functions? correct answer: Pancrea...

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The thymus gland secretes hormones called ____ that ____ correct answer: Thymosins; control production and differentiation of white blood cells Exocrine glands differ from endocrine gland in that exocrine glands correct answer: Secrete through ducts or tubes to the body's exterior Oxytocin stimulates the kidneys to conserve water correct answer: False The secretion of parathyroid hormone is controlled primarily by the correct answer: concentration of blood calcium A person under...

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Which of the following is important in maintaining the pH of blood? a Oxygen b Phosphate c Nitrogen d Carbon dioxide correct answer: d Which of the following factors does not directly affect breathing rate? a pH b Partial pressure of oxygen in body fluids. c Degree of lung tissue stretch d Partial pressure of carbon dioxide in body fluids. correct answer: a The first event in inspiration is a atmospheric pressure forces air into the respiratory tract. b lung infl...

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endocrinology correct answer: Study of hormones and endocrine organs functions of the endocrine system correct answer: 1. control reproduction, development and growth 2. prepare the body to combat stress 3. maintain electrolyte and water balance and blood pressure 4. maintain nutrient balance (glucose) 5. regulate cell metabolism 6. increase or decrease cellular activity by changing: plasma membrane permeability, synthesis of proteins, enzyme functions, cellular secretions, rate of cel...

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