The percentage of oxyhemoglobin in the systemic capillaries....   a. increases as pH decreases   b. decreases as PCO2 increases   c. decreases as temperature decreases   d. decreases as PO2 increases

Q: What happens to preload when there is venousconstriction in the veins?a. It increases.b. It…

A: The heart is a muscular organ in most animals. It pumps blood through the blood vessels of the…

Q: A chemical called EDTA, like citrate, binds to (or “chelates”) Ca2+. Suppose a person had EDTA…

A: Blood circulates under pressure through the vasculature. Following vascular injury, escaping blood…

Q: My instructor has told us that dehydration leads to a drop in blood pressure due to low blood…

A: Blood is the connective tissue with liquid plasma and the formed elements.

Q: Scenario: You and your two other friends were hiking and along the trail, you saw a man who is…

A: Unconscious refers complex mental activities in which the person is not aware about his surrounding…

Q: Which of these organs is able to tolerate the greatest reduction in blood flow? a. Brain b. Heart…

A: Blood flows in the body consists of the red blood cells, which contain haemoglobin. The haemoglobin…

Q: Which of these statements about arteriovenous shunts in the skin is true?a. They divert blood to…

A: Cardiovascular system plays a vital role in the transport/supply of nutrients, gases and removal of…

Q: E. Which of the following is NOT a cause of edema as we age? a) Increased senescence of endothelial…

A: Edema is swelling or puffiness of the body parts mostly observed in hands, legs, feet ankles and is…

Q: Which of the following is True?a. Arteriole diameter is controlled by nerves, hormones,and chemicals…

A: The circulatory system is responsible for the transport of nutrients, electrolytes, wastes gases,…

Q: Which statement accurately explains why arterial walls are thicker than the walls of veins?   A.…

A: The circulatory system consists of three systems that work together; the heart (cardiovascular),…

Q: How do arteries differ from veins?a. Arteries have thicker wall layers to accommodate the changes in…

A: The heart is the most important organ for the body and made up of several different types of tissues…

Q: If a vessel were to dilate to twice its previous radius, and if pressure remained constant, blood…

A: Introduction: According to the Frank-Starling law of the heart, the strength of the vascular…

Q: The two-way exchange of substances between blood and body cells occurs only through (a) arterioles.…

A: Arterioles distribute blood to capillary beds. Venules allow the deoxygenated blood to return from…

Q: In veins the ______ than in capillaries.   A blood pressure is higher and flow velocity is slower…

A: The Blood vessels are the part of our vascular system that is responsible for transporting blood and…

Q: A blood vessel adapted to withstand a highpulse pressure would be expected to havea. an elastic…

A: The various types of blood vessels include: arteries, veins, arterioles, venules and capillaries.…

Q: Plasma solutes enter the tissue fluid most neasily froma. continuous capillaries.b. fenestrated…

A: Answer is b.) fenestrated capillaries.

Q: When the oxygen capacity of the blood is reduced,a. the liver produces more bile.b. the kidneys…

A: The oxygen is needed to burn the fuel in our cells to produce energy. The human body is a highly…

Q: A 29-year-old female develops sepsis and, as a consequence, she experiences profound vasodilation.…

A: Sepsis is a life-threatening complication due to body's response to an infection. Sepsis occurs when…

Q: A major advantage of a double circulation is thata. blood can be pumped to the upper portions of the…

A: The body organs work systematically to regulate the proper body functioning. The different organ…

Q: The osmotic pressure of blood (that is, the plasma proteins) in the capillary forces fluid _____ the…

A: Blood capillaries are small blood vessels that branch out from arterioles. They form networks around…

Q: An increase in mean arterial pressure can result froma. an increase in peripheral resistance.b. an…

A: Mean arterial pressure is defined as the average arterial pressure in one cardiac cycle, which…

Q: If the systemic blood mass of a person is 2.8 kg, what is the body mass of the person? a.) 200 kg…

A: Blood is the fluid that is used to deliver nutrients and the respiratory gases to all the parts of…

Q: 1.A patient comes into the ER who has just rapidly lost 30% of his blood volume. Which of the…

A: Blood loss of more than 30% to 40% of the total fluid volume may cause fall in the blood pressure…

Q: Compared with the interstitial fluid that bathes active musclecells, blood reaching these cells in…

A: One of the defined components of the extracellular fluid apart from the transcellular fluid that…

Q: Why is blood pressure high just after waking up? a. due to normal body circadian rhythm b. body…

A: Blood pressure is the pressure exerted by the blood on walls of the blood vessels .

Q: Veins and arteries catty blood. Which of these carry blood?a) Away from the heart?b) Back to the…

A: Blood is the body fluid that is composed of plasma and formed cell that circulates through the…

Q: Which of the following characteristics is unique to capillaries and not to other blood vessels?…

A: The blood vascular system has various components that help in the smooth circulation throughout the…

Q: Which physiological response will counteract the drop in blood pressure due to active hyperemia in…

A: KEY WORDS :- Hyperemia - It is the large amount of blood supplied through vessels.

Q: Up to 65% of the body's blood supply is found in __________.   A arteries and arterioles   B…

A: Blood is a viscous fluid present in animals and humans that carries all essential nutrients,…

Q: If partial pressure of oxygen were about 35 MMHG and the capillaries then

A: The normal partial pressure at sea level in capillaries is 75-100 mmhg. The partial pressure in…

Q: You have an older patient who over the years has steady increase in blood pressure due to changes in…

A: Blood Vessel Compliance is a property of blood vessels. It it is the ability of these blood vessels…

Q: Which of the following statements regarding blood pressure is NOT true? a.)Blood pressure is…

A: Blood is a type of connective tissue which flows in the body through blood vessels i.e. arteries,…

Q: If a patient has cirrhosis of the liver and is unable to produce sufficient albumin and other plasma…

A: Alcohol abuse, viral hepatitis, accumulation of fat in the liver, buildup of iron, cystic fibrosis,…

Q: The advantage of having a heart with two atria is that a) oxygenated and deoxygenated blood are…

A: The human heart has 4 chambers :  Left atrium Right atrium Left ventricle Right ventricle The…

Q: Compared with the interstitial fluid that bathes active muscle cells, blood reaching these cells in…

A: Changes in flow resistance in the intramuscular arterioles control blood flow in skeletal muscle.…

Q: When moving from lying down to standing, blood pressure would drop most significantly where?     a)…

A: Hypertension also called High blood pressure  which is the blood pressure that is higher than normal…

Q: The following statements about blood are true EXCEPT that _____. a. It contains dissolved gases b.…

A: Blood is a body fluid that delivers necessary substances such as nutrients and oxygen to the cells…

Q: Blood pressure is higher in the ______ than in the ______.   A "systemic veins, systemic arteries"…

A: The force by which the blood pushes itself against the the walls of the organs and components of of…

Q: Consider a healthy person. Which is/are FALSE?   a. Average capillary hydrostatic pressure is…

A: A person with healthy electrolyte balance and urinary system would not have edema. Several processes…

Q: Calcium channel blockers are drugs that are given to cause a. an increase in the volume of blood…

A: Introduction: When voltage-gated sodium ion channels open temporarily on a nodal cell, sodium raises…

Q: (a) Name the type of blood vessel labelled (i) C. (ii) D. (b) In which direction does blood in…

A: Lungs are essential parts of the respiratory system. A pair of lungs in humans are formed in such a…

Q: Why is the bilood pressure important during sleep? a. When blood pressure increases, it is not felt…

A: Blood pressure is the quantity of force subjected to the inner membranes of the vessels by the blood…

Q: 2. During exercise, an increase in sympathetic nervous system activity leads to constriction in most…

A: Whenever there is vasoconstriction in the skeletal muscle bed, there will be increased peripheral…

Q: Which of the following statements is true?a. The longer the vessel, the lower the resistanceand the…

A: Blood is a fluid connective tissue that circulates all over the body delivering nutrients and oxygen…

Q: Sympathetic impulses to the smooth muscles in the walls of arteries and arterioles produceA.…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The presence of __________ stabilizes the wall of arterioles and capillaries.   A gap junctions   B…

A: An arteriole is a very small blood vessel as it has a very small diameter. These arterioles are…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.