Precapillary sphincter - Study guides, Class notes & Summaries

Which of the following are important sources of resistance to blood flow? - All of the Above A _________ allows an organ to recieve blood from more then one arterial source or drain blood into more then one vein. - vascular anastomoses Arteries can be best defined as - vessels that carry blood away from the heart. A decrease in hematocrit will result in a decrease in ____________ resulting in a decrease in blood pressure. - blood viscosity The systolic pressure - all of the above ...

ANP 1105 Final Exam () || Questions & 100% Accurate Answers ANP 1105 Final Exam () || Questions & 100% Accurate Answers What are the 3 layers of blood vessels? - ANSWER-Tunica intima, tunica media and tunica externa Varicose veins - ANSWER-Homeostatic imbalance - dilated veins caused by incompetent valves. The blood pools in lower limbs and causes valves to weaken Stages of atherosclerosis - ANSWER-Endothelium is injured, lipids accumulate and oxidize in the tunica intima, smooth muscl...

____ are the smallest blood vessels. - Capillaries ____ is the amount of blood pumped out of each ventricle in one minute. - stroke volume ____ is the force per unit area exerted on he wall of a blood vessel by its contained blood. - Blood pressure ____ is the internal resistance to flow, and is related to the thickness of blood. - Blood viscosity ____ refers to the relaxation phase of heart activity. - Diastolic ____ transport blood away from the heart. - Arteries Because of ____, the my...

BIO 169 Exam 1 Practice Questions and Answers | 100% Pass Which of the following are important sources of resistance to blood flow? - Answer️️ - All of the Above A _________ allows an organ to recieve blood from more then one arterial source or drain blood into more then one vein. - Answer️️ -vascular anastomoses Arteries can be best defined as - Answer️️ -vessels that carry blood away from the heart. A decrease in hematocrit will result in a decrease in ____________ resultin...

BIOS 255 Midterm/Finals 2024 Questions & Answers | 100% Correct | Verified Which of the typical blood vessels has a thin tunica tunica media dominated by collagen fibers? - veins Capillaries surrounding the choroid plexus is of which type? - Fenestrated capillaries Blood flow through a capillary bed is passed by what structure? - Atriovenous Anastomosis Blood flows toward the heart in the veins by? - -With the aid of contractions of the adjacent skeletal muscles. -Valves in th...

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MSF Exam 2 Practice TEST QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2023 C. 93 mmHg MAP = diastolic + 1/3(systolic - diastolic) MAP = 80 + 1/3(120 - 80) = 80 + 1/3(40) = 80 + 13.3 = 93 A patient's blood pressure is 120/80, what is mean arterial pressure? A. 40 mmHg B. 120 mmHg C. 93 mmHg D. 133 mmHg C. decrease RR interval on ECG Heart rate would increase due to sympathetic outflow. Faster heart rate reduces the RR interval Sympathetic outflow to the heart would: A. activa...

Blood Vessels - correct answer the components of the circulatory system that transports blood throughout the human body Capillaries - correct answer the smallest blood vessels in the body, connecting the smallest arteries to the smallest veins Venules - correct answer a small blood vessel in the microcirculation that allows deoxygenated blood to retur...

c.The most common type of anomalous venous return is: a. supracardiac b. cardiac infracardiac d. cardiac - Answer a A Pott's operation is an anastomosis of the: a. ascending aorta to the left pulmonary artery b. descending aorta to the pulmonary artery branch c. subclavian artery to the pulmonary artery branch d. ascending aorta to the subclavian artery - Answer a The basic hemodynamic fault in a patent ductus arteriosus is a ____ -to- _____ shunt at the pulmonary artery leve...

1) distribute blood to body organs. A) Veins B) Arteries C) Both A and B D) None of the above Answer: B 2) form branching networks and are barely the diameter of a single red blood cell. A) Veins B) Capillaries C) Arteries D) All of the above Answer: B 3) Tissues rely on to obtain nutrients and oxygen and to remove metabolic wastes. A) capillary gradient B) capillary diffusion C) capillary osmosis D) venous pressure Answer: B WWW.TBSM.WS 4) Which layer o...