The portal vein brings blood from the intestines to the liver. Which statement is most likely true regarding the portal vein?   A. It carries oxygenated blood at low pressure.   B. It carries oxygenated blood at high pressure.   C. It carries deoxygenated blood at low pressure.   D. It carries deoxygenated blood at high pressure.

Q: Why is hematocrit higher for an athlete training at high altitude?   A. Low oxygen at high altiude…

A: Hematocrit refers to the number of red blood cells (RBCs) present in the total blood by volume. It…

Q: Which property do granular and agranular leukocytes have in common?a. Both lack a nucleus.b. Both…

A: Leukocytes or WBC are the cells of the blood circulatory system which are responsible for the immune…

Q: center of drainage in the dead human body is located at the:     A. Left ventricle of the heart…

A: once the person dies, the circulation comes to a halt. The appearence of livor mortis starts after…

Q: In the fetus, the blood with the highest concentration of oxyhemoglobin will be found in the: Select…

A: The foetal circulation is different to that of the circulation found in adults. This is because the…

Q: Why is eosinopenia often difficult to detect? A. The number of eosinophils in peripheral blood…

A: Eosinophils are a variety of white platelets and one of the immune framework components answerable…

Q: Cardiomyocytes are similar to skeletal muscle because: a. they beat involuntarily b. they are used…

A: Muscular tissue has cells called muscle fibers and has the function of contraction. On the basis of…

Q: What is the biological advantage to the sigmoidal binding curve of hemoglobin for oxygen? A. It…

A: The binding of oxygen to the haemoglobin increases with increase in oxygen partial pressure, Maximum…

Q: Which is/are function(s) of the lymphatic system?   a. Hemopoiesis   b. Inspect lymph for…

A: The lymphatic system is considered as a part of the immune system that includes a network of lymph…

Q: Which of these is a true statement?a. In lung capillaries, carbon dioxide combines with water…

A: Carbon dioxide needs to be transported in the blood from the tissue to the lungs  and this happens…

Q: What does blood deliver to cells? (More than one answer)

A: Blood has a pH of 7.4 (slightly alkaline). The Colour of blood is red. Blood constitutes 7-8% of…

Q: Which of the following situations occurs if a person's blood becomes more alkaline?   A.…

A: The pH of blood ranges between 7.35 to 7.45 that is slightly basic. The pH below 7.35 makes the…

Q: Which statement describes hemoglobin's cooperativity?   A. When tetrameric hemoglobin binds one…

A: The hemoglobin cooperativity binding effect can be defined as it is the ability of hemoglobin…

Q: Endocarditis is an inflammation of which portion of the heart? a. pericardium b. endocardium c.…

A: Heart is an organ that pumps blood and is originated from mesodermal tissue. Heart is exclusively…

Q: the partial pressure of O2 in the plasma islow, how will that affect the movement of O2? ● A. O2…

A: Partial pressure of oxygen is the measurement of oxygen pressure in arterial blood. Its magnitude…

Q: Which of the following sequences is correct? Select one: a. Superior vena cava, azygos vein,…

A: The objective of the question is to identify the correct sequence of blood flow through the veins…

Q: Which of the following describe(s) a characteristic or function of hemoglobin? a. Hemoglobin…

A: The hemeoglobin  group is comprised of a central iron atom complexed to four nitrogen atoms. Oxygen…

Q: What has the highest affinity for oxygen?   a. Maternal hemoglobin without 2,3-bisphosphoglycerate…

A: Hemoglobin transports oxygen effectively by binding of oxygen to hemoglobin which was represented by…

Q: Local metabolic activity is the chief factor determining the rate of blood flow to the:     a.…

A: The question is asking which organ's blood flow is primarily determined by local metabolic activity.…

Q: What acts as a buffer within RBCs? A. Haemoglobin B. Bicarbonate C. Oxygen D. CO2

A: The buffer system maintains the body's acid-base balance and maintains the blood pH around 7.4.…

Q: What blood vessel sends deoxygenated blood away from the heart and to the lungs? a-Aorta b-Pulmonary…

A: The heart is divided into four chambers: the right atrium, the right ventricle, the left atrium, and…

Q: Anemia is most likely to result from failure of which of these organs? a. the heart b. the lungs c.…

A: Answer is a.) the heart.

Q: Which of the following is the correct sequence of events in the circulation of blood? a. Heart…

A: The body comprises a total of eleven organ systems, and each of them is specialized to perform a…

Q: Which is not a function of coagulation activation?     A. Reducing blood loss   B. Inactivating…

A: INTRODUCTION Blood Coagulation During blood coagulation the blood changes from liquid to gel and…

Q: After her workout, Arlene lies down on a mat to stretch out her leg muscles. She stands up suddenly…

A: Whenever an individual lies horizontally and exercises and then stands vertically, the blood supply…

Q: Which of these statements does NOT correctly describe hypercapnia? a. It is observed in…

A: The objective of the question is to identify the statement that does not accurately describe…

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: Why is blood bypassed from the right side of the heart to the left via the ductus arteriosus and…

A: Blood, a specialized connective tissue, circulates throughout the human body and vertebrate animals…

Q: The delivery of oxygen and nutrients to the tissues of the body is accomplished through the_________…

A: The delivery of oxygen and vitamins to the tissues of the frame is more often than not carried out…

Q: Concerning the physical characteristics of the blood, which of these statements is not true? a. The…

A: Blood delivers oxygen and nutrients to the body. Blood has following components - platelets, plasma,…

Q: Platelet plug formation occurs at which point? a. when large megakaryocytes break up into thousands…

A: The blood circulating through the circulatory system is responsible for the transport of oxygen and…

Q: In extravascular hemolysis, heme is converted into what molecule or molecules?  A. Amino acids  B.…

A: Extravascular hemolysis is the hemolysis occur in the liver, spleen, bone marrow, and also in the…

Q: The hepatic portal system Select one: a. has no pumping mechanism between the capillary beds. b.…

A: The hepatic portal system is a part of the circulatory system that supplies blood to the liver. It…

Q: Why does inspiration effectively work to return blood to the heart?   A. Inspiration lowers the…

A: Inspiration can be defined as a physiological process that involves the process of taking in air.…

Q: When a kid is gagging and cannot cry out or breathe due to some marbles, what should you do first?…

A: Choking means that an object or food is stuck in the airway, usually the trachea. When this occurs,…

Q: What does the liver do for the cardiovascular system? a. The liver makes antithrombin to inactivate…

A: One of the largest and most important organs in your body is liver  and performs more than 300…