APHY 102

APHY 102 Midterm-ivytech Exam Questions and Answers 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. Understand the role of negative feedback in control of hormone secretions A control mechanism in which rising level of a hormone leads to a decrease in hormone ...

APHY 102 Midterm Exam - Ivy Tech Questions and Answers 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 gland? A secretion that o...

APHY 102 Lab Exam 2 with correct Answers 100% Axillary Lymph nodes Cervical Lymph nodes inguinal lymph nodes Afferent lymph vessel Efferent lymph vessel Hilum of a lymph node Lymph node germinal center Thymus histology (lobule) Spleen red pulp Spleen white pulp Nasopharynx Pharyngeal tonsils Oropharynx Palatine tonsils lingual tonsils Larynx glottis What is A? True vocal cords What is B?

APHY 201 Lab exam 2 agglutination Clumping of microorganisms or blood cells, typically due to an antigen-antibody interaction. Means that the marker is present. unoppette system collects and dilutes the blood to perform a RBC count hemocytometer a grid that counts the RBC after they have been collected and diluted by the unoppette. Tallquist test stick your finger, put blood on paper, match blood color with the color scale paper. uses a color hemoglobin scale to estimate th...

APHY 102 Ivy Tech, Lecture, Exam 1 Endocrine System and Blood - Questions and Answers Which cells produce insulin? Beta cells in the pancreas The normal development of the immune response is partially controlled by hormones. Where are these hormones produced? Thymus How do nearly all protein or amino-acid based hormones express their signaling effect? Second messengers What are the major targets of Growth Hormone (GH)? Bones & Skeletal muscles Define hormones Steroidal ...

APHY 102 Ch 17: Endocrine System Ivy Tech endocrinology Study of hormones and endocrine organs functions of the endocrine system 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...

APHY 102 Ivy Tech Midterm Exam Questions and Answers 3 functions of blood 1. prevents fluid loss 2. transports body heat 3. prevents infection blood is classified as what type of tissue? connective hematopoiesis production of blood cells transport oxygen into the blood -red blood cells -erythrocytes platelets are small fragments of megakaryocytes the most abundant solute in plasma proteins 2 blood gases that are important to homeostasis oxygen and carbon ...

APHY 102 Ivy Tech Final Study Guide 2024 What regulates pituitary gland secretion? Hypothalamus 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. Compare and contrast glucagon and insulin How are pheromones different than hormones? How is inhibin ...

APHY 102 - Exam 3 Nutrition and Metabolism Questions and Answers What types of fats are associated with increased risk of cardiovascular disease? saturated fats BMI values for overweight 25-30 BMI values for healthy weight 18-24 BMI values for obesity over 30 After absorption from the digestive tract, all monosaccharides are converted by liver enzymes to what compound? glucose What is a complete protein? a dietary protein that provides adequate amounts of all essential amino acids ...

APHY 102 - Exam 3 Nutrition and Metabolism Questions and Answers neuropeptide Y a chemical produced in the brain that stimulates appetite, diminishes energy expenditure, and increases fat storage leptin A hormone produced by adipose (fat) cells that acts as a satiety factor in regulating appetite. ghrelin hormone secreted by empty stomach; sends "I'm hungry" signals to the brain carbohydrates Broken down to glucose to provide energy. proteins Nutrients the body uses to build and m...

APHY 102 - Exam 3 Nutrition and Metabolism Questions and Answers Excess glucose polymerized to form glycogen Glycogenesis Glycogen broken down to form glucose Glycogenolysis Converting non carbs to glucose Gluconeogenesis beta oxidation chemical process of breaking down fatty acid chains to form Acetyl coenzyme A, which can enter the citric acid cycle Fatty acid oxidase An enzyme that catalyzes the removal of hydrogen or electrons from a fatty acid molecule Ketone bodies Compound p...

APHY 102 - Exam 3 Nutrition and Metabolism Questions and Answers Metabolism the coordinated process of transforming nutrients into substrates chemical process your body uses to transform the food you eat into the fuel that keeps you alive Nutrition consists of proteins, carbs & fats Nutrition& metabolism is connected to maintain the homeostasis in the body, fuel is needed to keep the body going Metabolism refers to the sum of all physical and chemical processes by which living organis...

APHY 102 Final Lab Cumulative, Exam 1 Review Material- Questions and Answers 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 Exocrine glands differ from endocrine glands in that exocrine glands secrete through ducts or tubes to the body's exterior The specificity of hormone action derives from target cell receptors that are unique for each hormone Hormones regulate metabo...

APHY 102 FINAL- IVY TECH SUMMER EXAM QUESTIONS AND ANSWERS What regulates pituitary gland secretion? 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? 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 ...

APHY 102 Final Ivy Tech Exam with correct Answers 2024 Which of the following is not a function of the mucus-lined nasal passages? Cooling exhaled air Which of the following has an effect on the pH of blood? Carbon dioxide What causes air to move into the lungs during inspiration? Pressure gradient between atomosphere and alveoli Another word for breathing is ventilation. True Oxygen is carried in the blood in the form of bicarbonate ions and is bound to hemoglobin. Fal...

APHY 102 Final Exam Questions and Answers 2024 A hormone is a secreted molecule that is carried in the bloodstream to where it acts on target cells that bear specific receptors for that hormone. - True - False True Maxwell has a very high metabolic rate, is skinny, and has protruding eyes. These are symptoms of -Hyperthyroidism -Hypothyroidism -hyperparathyroidism -hypoparathyroidism hyperthyroidism Steroid hormones diffuse through cell membranes, then bind with receptors, whe...

APHY 102 Final Exam with correct Answers True A person under stress may have a lowered resistance to infection. T or F all of the above. 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. b. D Deficiency of vitamin__________ causes osteomalacia a. E b. D c. C d. A c. supplies oxygen and nutrients to and remove wastes ...

APHY 102 Final Exam Review with correct Answers What type of epithelium forms the mucosa of the respiratory tract? ciliated columnar epithelium What causes ovulation of mature egg from ovary & production of estrogen & progesterone. Luteinizing hormone phases of ovarian cycle follicular phase, ovulation, luteal phase The site of sperm maturation and storage epididymis Which of the glands is responsible for 60% of the synthesis of semen? Seminal vesicles What does co...

APHY 102 Final Exam with correct Answers what regulates pituitary secretion? hypothalamus, other brain areas, and feedback from target organs What is a hormone? 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. How do hormones work? 1) They are molecular triggers that can only influence specific cells, called Target Cells. 2) They will either stimulate or inhibit a specific actio...

APHY 102 Final Exam with correct Answers what are nodes of the heart sinoatrial (SA) node and atrioventricular (AV) node genetic disorders of the heart Atrial Septal Defect. Atrioventricular Septal Defect. Coarctation of the Aorta. D-Transposition of the Great Arteries. Hypoplastic Left Heart Syndrome. Pulmonary Atresia. Tetralogy of Fallot. Total Anomalous Pulmonary Venous Return types of hormones -Peptide Hormones -Steroid Hormones -Amino Acid Derivative Hormones ...