Pc 705 - Study guides, Class notes & Summaries

PC 705 GI QUESTION AND ANSWERS (VERIFIED ANSWERS)

PC 705 HEM QUESTION AND ANSWERS (VERIFIED ANSWERS)

PC 705 Module 9 Exam - Renal and Integumentary Age related changes in the renal system: -decreased GFR -decreased nephron size and number -increased drug toxicity due to decreased secretion -decreased renal activation of vitamin D -hypertrophy of kidneys -hyperkalemia is common -reduced adaptability to changes in volume What is GFR? -glomerular filtration rate -how much blood is filtered by the kidneys per minute -can use Inulin, Creatinine, Cystatin C It takes how long for plasma creatinine t...

PC 705 Module 4 Exam - Cardiovascular Changes to the cardiovascular system with aging include: -myocardial & blood vessel stiffening -left ventricular hyperteophy and fibrosis -decrease effectiveness of valves (calcification) -decreased baroreceptor activity -decreased control of vascular tone -loss of exercise capacity What are the risks with age in relation to the cardiovascular system? -risk of CVD -risk of atrial fibrillation -risk of HF releated to LV hypertrophy and fibrosis -risk of val...

PC 705 Module 5 Exam - Pulmonary and Pain Age related changes to pulmonary structure & physiology: -loss of elastic recoil -decreased lung compliance -increased flow resistance -decreased compensatory response to hypoxia & hypercapnia -increased risk of respiratory depression -increased risk of infections -decreased vital capacity, increased residual volume, but total lung capacity stays the same What is dyspnea? Subjective experience of breathing difficulty/discomfort What are severe signs of...

PC 705 Module 2 Exam - Immunity and Infection Innate Immunity involves which two things? First line of defense (mechanical and biochemical barriers) & Second line of defense (Inflammatory response) What is the first line of defense? Natural barriers or mechanisms to keep invaders OUT Examples of physical & mechanical barriers during the first line of defense? Tight epithelial cells of skin & mucous membranes of GI, GU, and respiratory tract Mucus that coats and traps microorganisms Cilia to he...

PC 705 Module 6 Exam - Hematologic and Neoplasms Pediatric hematologic system: -RBC count above adult levels at birth & gradually decline thereafter -Fetal Hemoglobin have an increased affinity for oxygen -Hemoglobin reaches adult levels between 6-12 months -Decreased erythrocyte lifespan for infants (60-80 days for full term; 20-30 days for premature infants) -Erythrocyte lifespan in children & adolescents is the same as adults (120 days) -Platelets are adult levels -Coagulation factors reach...

PC 705 Module 8 Exam - Endocrine and Neurological Disorders Hormone release is regulated by: -chemical factors -endocrine factors -neural control Feedback systems provide? -precise monitoring & control of cell environment What is the most common feedback? Negative —a change in chemical, neural, or endocrine response causes a subsequent decrease in synthesis & excretion of the accompanying hormone Which type of hormones can intiate changes in target cells? -free floating hormones The thyroid ...

PC 705 Module 10 Exam - Male and Female Reproductive What is dysmenorrhea? -painful menstruation -higher prevalence in adolescence -primary--physiologic process unrelated to another pathologic disorder -secondary--due to pathologic disorders such as ovarian cysts, endometriosis Pathogenesis of dysmenorrhea? -increased COX activity (prostaglandin synthesis) -excessive release of prostaglandin E & F--which causes uterine hyper contractility, decreased uterine blood flow, increased nerve sensitiv...

PC 705 Module 3 Exam - Gastrointestinal, Liver, Gallbladder, and Pancreas Disorders What is GERD? -gastroesophageal reflux disease -reflux of acid & pepsin or bile salts from the stomach to the esophagus through the lower esophageal sphincter What does GERD mostly contribute to? Esophagitis What are the risk factors for GERD? -obesity (increases intraabdominal pressure) -hiatal hernia (increases intrabdominal pressure) -drugs that may relax the LES (lower esophageal sphincter) Pathogenesis of ...