n circulatory system, one the main function of our blood is controlling our body temperature. Explain further this : – Blood regulation fuctions is maintaining body temperature by absorbing amd distributing heat.
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- In circulatory system, one the main function of our blood is maintaining pur body pH Explain further this : – Blood regulation fuctions maintaining normal pH using buffers; alkaline reserve of bicarbonate ionsSodium-Potassium Pumps (N+/K+ ATPase) are fundamental to your body’s physiological function. What is the connection/importance of this phenomenon in the circulatory system with examples?Hyperglycemia associated with diabetes promotes a prothrombotic state by affecting a number of different steps in the clotting pathway. Which of the following would result in more rather than less clotting? Check all that apply. The correct answers reflect the effect of hyperglycemia on the clotting pathway! less conversion of plasminogen to plasmin 7 000000000 abnormally low number of platelets platelets more sensitive to thromboxane A2 elevated conversion of plasminogen to plasmin platelets less sensitive to thromboxane A2 low sensitivity to NO and PGI2 increased prothrombin in the blood increased amount of fibrinogen in the blood less prothrombin in the blood abnormally high number of platelets less fibrinogen in the blood high sensitivity to NO and PGI2
- The production of red blood cells is regulated by a feedback loop involving erythropoietin. In non-disease states, the production of red blood cells is equal to the destruction of red blood cells, thus maintaining sufficient red blood cells to deliver adequate oxygen to the body's tissues. However, when the number of red blood cells decrease and oxygen levels are low, erythropoietin is produced by the liver and kidneys to increase the production of red blood cells. (i) Is this a positive or negative feedback loop and why? (ii) For the above feedback loop, what would be the: 1. signal detected by the sensor: 2. effector: 3. response: 4. final result:Vasoconstriction and vasodilation help maintain our body temperature within a normal Explain how this happens.Which of the following best describes blood plasma? Group of answer choices found inbetween the cells, not in them, so called intracellular found in vessels, not cells, so it is a type of extracellular fluid found between vessels, not in them, so thought of as extracellular found within the cells, not outside, so normally called interstitial The sodium-potassium pump balances intracellular and extracellular ions by: Group of answer choices the use of ionic pressure active transport of ions creating osmotic pressure employing hydrostatic pressure What force drives fluid into lymphatic capillaries? Group of answer choices colloidal osmotic pressure hydrostatic pressure active transport of fluids diffusion of water
- Glucose enters erythrocytes via a GLUT-1 uniporter. As the levels of glucose in the bloodstream decrease between meals, what happens to the glucose in the cells? O Glucose remains in the cell because the GLUT-1 uniporters are gated and the gates close at low glucose concentrations Glucose leaves the cell through the GLUT-1 uniporter, traveling down the new concentration gradient. Glucose remains in the cell because uniporters can only transport in one direction. Glucose remains in the cell because it has been phosphorylated to Glucose-6- phosphate and no longer has affinity for the GLUT-1 uniporterAs an undergraduate intern in psychiatric unit a patient requesting therapeutic marijuana asks you why his physician has recommended a close monitoring of blood cell components. Remembering you took notes on this in one of your neuroscience lectures, you respond that is because marijuana can affect not only cells in the brain but also brain blood circulation lymphocyte count in the blood erythrocyte count in the blood cells in the bone marrowWhich of the following is/are true of a circulatory system (=fluid-transport system): Group of answer choices is an adaptation to large body size. All of the other choices are true. aids diffusion by reducing functional diffusion distances transports substances rapidly between distant cells/tissues.
- When human tissue, such as skin or a blood vessel, is torn or cut, the cells in the damaged region secrete a signal that activates specialized blood cells called platelets in the vicinity. As the platelets come in contact with one another, they begin to form a clot and release ad- ditional chemical signals to attract more platelets as well as other clotting factors until the bleeding is stopped. Which of the following correctly describes the feedback mechanism illustrated by the acti- vation of the platelets? A It is an example of positive feedback because the initial activation of the platelets causes the activation of additional platelets. B с D It is an example of negative feedback because the initial activation of the platelets is caused by a harmful stimulus. It is an example of positive feedback because the ultimate result of initial platelet activa- tion causes the bleeding to stop. It is an example of negative feedback because the initial activation of the platelets causes the…Which of the following statements about red blood cells is false? a. They live about 120 days before being replaced. b. They lack a nucleus and other organelles when they are mature. c. They are replaced when the hormone EPO stimulates stem cells in bone marrow. d. They are replaced as part of a negative feedback loop in which kidney cells monitor blood oxygen levels e. All the above statements are true except b, because all cells require a nucleus in order to function properly.Figure 33.21 State whether each of the following processes are regulated by a positive feedback loop or a negative feedback loop. A person feels satiated after eating a large meal. The blood has plenty of red blood cells. As a result, erythropoietin, a hormone that stimulates the production of new red blood cells, is no longer released from the kidney.