NURSING TEST

BIO 255 lab practicum Questions and Answers plasma Liquid part of blood Buffy coat white blood cells and platelets erythrocytes ( red blood cell) leukocytes white blood cells, fight infection platelets blood clotting Blood typing roles of antigen markers that tell your body that something is foreign Roles of antibodies 1. Agglutinate Pathogens 2. Neutralizing Toxins 3. Prevent the pathogen from binding to human cells neutrophils A...

BIOS 255 EXAM 2 Questions and Answers What are the 3 different layers of blood vessels? tunica intima, tunica media, tunica externa What are the three different types of arteries? elastic arteries, muscular arteries, arterioles What kind of blood do arteries carry? oxygenated blood Where do arteries carry blood? away from the heart What are the three different types of capillaries? continuous, fenestrated, and sinusoidal What cells are continuous capillar...

BIOS 255 Comprehensive Exam Questions and Answers Stroke Volume (SV) EDV-ESV Cardiac Output (CO) SV x HR Pulse Pressure (PP) SBP-DBP Mean Arterial Pressure (MAP) diastolic pressure + pulse pressure/3 What is the QRS complex of an ECG? ventricular depolarization endocrine cells release their secretions directly into body fluids exocrine glands secrete chemical substances into ducts that lead either to other organs or out of the body nerve t...

Bio 255 Exam 1 Questions and Answers What are the two main cavities covered in lecture? Dorsal and ventral What is the function of the dorsal cavity and what two subdivisions does it contain? Protection of the nervous system; cranial cavity and vertebral cavity What is the function of the ventral cavity and what two subdivisions does it contain? Encloses internal organs; Thoracic (above diaphragm) and abdominopelvic What does the thoracic cavity contain? Pleural cavity,...

BIOS 255 Exam 2 Questions and Answers Which blood vessel class is the largest and is characterized by having a thick tunica media dominated by elastic laminae? Elastic arteries Which of the following is NOT considered an organ of the lymphatic system? Pancreas The lymphatic capillary bed drains fluid directly from where? Interstitial fluid Which blood vessel carries deoxygenated but nutrient, rich blood from the intestines to the liver? Hepatic portal vein The ma...

Bio 255 Exam 2 Questions and Answers Tunica Interna Innermost layer of blood vessels. Tunica Media Middle layer made of smooth muscle. Tunica Externa Outermost layer; anchors blood vessels. Conducting Arteries Large diameter arteries with elastic lamina. Distributing Arteries Medium arteries that supply specific organs. Resistance Arteries Small arteries; include arterioles. Vascular Resistance Opposition to blood flow in vessels. Blood V...

Bios 255 Exam 3 Questions and Answers red bone marrow and thymus What are the primary lymphatic organs? lymph nodes, tonsils, spleen What are the secondary lymphatic organs? 15% of interstitial fluid that has been absorbed by the lymphatic vessels What is lymph? A pump such as the heart What do lymphatic vessels lack? Stretching of the vessels to open valves that allow one directional flow for lymph What do lymphatic vessels rely on? from blood that is fo...

BIOS 255 Comprehensive exam Questions and Answers Which is the best example of a mechanism that contains a positive feedback loop? blood clotting What surrounds a synovial joint, encloses synovial cavity, & unites the articulating bones? articular capsule The ________ component of connective tissue is found between the cells and fibers & binds cells. ground substance Consisting of 5 fused sacral vertebrae sacrum Layer of dead skin filled with sacs of keratin str...

BIOS 255 Exam 3 Review Questions and Answers Respiratory distress syndrome (surfactant) Condition often seen in premature infants, caused by lack of surfactant, a substance that helps keep the lungs inflated and reduces surface tension in the air sacs. Without enough surfactant, the lungs collapse and there will be difficulty breathing. Conducting Zone The conducting zone of the respiratory system consists of those passages that serve only for airflow, essentially from the nostrils th...

Bio 255 Unit 4 Test Practice Questions and Answers correct Body Systemic means.... Arteries Anything that flows AWAY from the heart veins Anything that flows TO the heart Transportation Regulation Protection What are the 3 function of blood? 8% Blood is what percentage of body weight? 55% 45% In whole blood: _________% Plasma _________% Formed elements (Blood cells) Hematocrit percentage of volume of all formed elements Neutrophils 5...