Cardiovascular System Trivia

1. What is the scientific term for a red blood cell?

From Quiz The Humble Red Blood Cell

Answer: Erythrocyte

Erythrocyte comes from the Greek erythros (red) and -cyte (cell). Most red cells appear as flexible, bi-concave discs with a diameter of six micrometres but there are abnormal cell shapes and sizes.

From Quiz Ruby's Bloody Adventure

Answer: In bone marrow

It took about seven days for Ruby to grow and mature in bone marrow, and then she was sent off into the bloodstream. A hormone called erythropoietin controls how many red blood cells are produced. The cells are disc-shaped, but they can change shape easily to fit through different blood vessels.

From Quiz Fascinating Cardiovascular Facts

Answer: Pulmonary and Systemic

Pulmonary circulation takes oxygen-depleted blood to the lungs, where carbon dioxide is released and oxygen is absorbed, then the now oxygenated blood is returned to the heart. The heart then sends that blood out to the rest of the body, via the systemic circulation system, through the left ventricle and the aorta.

From Quiz A Thin Line

Answer: four

The average human heart has four chambers. The right side of the heart has the right atrium on top leading to the right ventricle. The left side of the heart has the left atrium on top leading to the left ventricle. Typically you would not have a opening between the two atria or the two ventricles. Different types of animals have different numbers of chambers in the heart. Mammals, which includes humans, have four chambers. Reptiles and amphibians have three chambers--two atriums and one ventricle through which both oxygenated and deoxygenated blood passes. Fish have two chambered hearts, with one atrium and one ventricle.

From Quiz You're So Vein

Answer: deoxygenated blood/to the heart

The body uses oxygenated blood to help the organs operate. When the organs use the oxygen, the blood is sent back to get more oxygen - and the cycle begins again. The veins carry deoxygenated blood to the heart, to be replenished.

From Quiz The Anatomy of the Human Heart

Answer: Interventricular septum

The word Septum is the Latin term for wall, the prefix Inter- means between. Interventricular septum is the wall between the ventricles.

From Quiz I'm Not Sure You're My Type

Answer: AB

The four human blood types, O, A, B and AB, are immunologically distinct and genetically determined erythrocyte antigens. In smaller words (and, overly simplistic), that would be: individual components of each human's immune system travel within their blood serum and characteristics of that serum are inherited.

From Quiz A Lesson in Cardiovascular Disorders

Answer: High blood pressure.

Hypertension is the medical term for high blood pressure. Increased activity and high metabolism usually is related to hyperthyroidism. A decreased ability to focus on the things around you is often related to ADHD.

From Quiz The Amazing Heart and the Blood that it Pumps

Answer: sinoatrial node

The sinoatrial node is located in the right atrium, and sends electrical impulses further down to the atrioventricular node.

From Quiz It Was In Vein

Answer: Bovine

The tail vein is the site of choice for collection of blood from cattle, bovines. They are regularly handled in restraint chutes. This makes lifting the tail for access to the vein easy.

From Quiz Red Cell Antigens

Answer: N-acetyl-D-galactosamine

D-galactose is the B antigen. Both A1 and B are part of the ABO blood group system, the most important in transfusion medicine. Acetylcholinesterase, an enzyme primarily known to degrade acetylcholine, exists as a dimer on the red cell surface and forms what is known as the Cartwright antigen. The Cartwright blood system has two antithetical antigens, Yt(a) and Yt(b), formed by an amino acid substitution at position 353 of histidine (Yt(a)) and asparagine (Yt(b)). The enzyme is active on the red cell membrane, however its function in this setting is unknown. As a trivia note, a form of acetylcholinesterase is found in the Pacific Torpedo ray, Torpedo californica. Glycophorin A is one half of the MNSs (more strictly, the MNS) blood group system, the M and N antigens. Glycophorin B forms the S and s antigens. The M and N antigens are a result of two amino acid substitutions. The M antigen has a serine and glycine and positions 1 and 5, respectively, while the N antigen has leucine and glutamic acid.

From Quiz Bloody Vessels

Answer: Arteries carry blood away from the heart, veins towards the heart.

Most, but not all, arteries carry oxygenated blood: the pulmonary artery carries deoxygenated blood (to the lungs) and the pulmonary vein carries oxygenated blood, and the vessels of the umbilical cord are another exception.

From Quiz Antibodies and Compatibility in Blood Banking

Answer: O Rh (D) negative

Only O negative should be transfused in an O negative individual. O negative donors are the universal donors. This blood type can be given to people with any of the other blood groups without risking an adverse event. O positive can be transfused, however there is a risk of the recipient developing an antibody to the Rh D antigen. A Rh (D) negative will cause an acute haemolytic transfusion reaction because the recipient's circulating anti-A will react with the transfused A cells. The patient will die if given group A red cells.

From Quiz Blood Bank and Haematology Collide

Answer: Anti-B antibodies

Anti-B antibodies will be present in the person. This is usually after six months of age. They are referred to as "naturally occurring" as if they arise spontaneously but are thought to be a cross-reactivity of the antibodies for capsular antigens of bacteria in the gut with the ABO blood group antigens. The ABO antibodies are always against the antigen the red cells do not express. That means that group A people have anti B, group B have anti-A, group O have anti-A and anti-B and group AB have no antibodies. For the purists, group O individuals have a combined anti-A/B as well as anti-A and anti-B. Group AB individuals may well have antibodies to sub-groups of A antigens. Let me get to that in another quiz.

From Quiz Blood Donation

Answer: The Red Cross

It is officially known as the International Federation of Red Cross and Red Crescent Societies (Red Crescent is used in place of the cross for Islamic countries). As of 2002, they operate in over 175 countries worldwide. in Israel, the Red Cross becomes the Magen David Adom, or Red Star of David. In Canada, donations are dealt with by the Canadian Blood Services.

From Quiz Anatomy And Physiology Of Blood

Answer: Neutrophil

Neutrophils account for fifty five percent of white blood cells.

From Quiz The Cardiovascular System

Answer: cardiology & cardiologist

The physicians who treat problems of the cardiovascular systen include the cardiologist, the interventional cardiologist, and the cardiac surgeon. The vessels are treated by vascular surgeons, also called cardiovascular surgeons.

From Quiz Hematology

Answer: Blood

Blood is the mechanism that moves nutrients, gases, hormones, and cells throughout the body.

From Quiz It's Your Blood

Answer: 5.0 liters or about 5.3 quarts

The metric system is normally used for scientific measurements and by that system the total blood volume in the human adult is about 5 liters. This about 5.3 quarts.

From Quiz It's Your Heart

Answer: 310 grams or about 11 ounces

The average adult human heart is about the size of a large man's closed fist and weighs about 310 grams or 11 ounces. This relatively small mass of special cardiac muscle, nerves, coronary vessels, smooth interior lining and valves beats an average of 60 to 80 times per minute without our even thinking about it. ((70 x 60) x (24)) amounts to more than 100,000 heart beats per day

From Quiz Ruby's Bloody Adventure

Answer: Plasma

Blood is a tissue made of plasma. Platelets, white blood cells, and red blood cells float around in it and are carried around the body. Plasma is mostly made of water with proteins, nutrients, and a few other things suspended in it. Cytoplasm is the fluid inside cells and iron oxide is another name for rust.

From Quiz Fascinating Cardiovascular Facts

Answer: Artery

A pulse can be felt where an artery, carrying oxygenated blood at high pressure, passes close to the surface of the skin. Bleeding from an artery tends to be bright red due to the high oxygen content and spurts due to the high pressure.

From Quiz A Thin Line

Answer: Pulmonary artery

The pulmonary arteries carries deoxygenated blood from the right ventricle to the lungs where it receives a new supply of oxygen which it takes to the left atrium and ventricle and from there out to the rest of the body. The carotid artery carries blood to the head and neck. The radial arteries carry blood to the lower arms The descending artery is part of the aorta which is how blood leaves the left ventricle. The aorta is the largest artery in the human body.

From Quiz So You Want to Be a Blood Donor

Answer: You had a tattoo two weeks ago

Many people enjoy getting tattoos, but it can be a risky procedure. There have been cases of diseases such as hepatitis being transmitted by tattoo needles. Where I live, one is not eligible to donate until a year has passed after getting a tattoo (other places may have a different waiting period). You may also be ineligible if you have traveled to certain countries, or have engaged in sexual activity that puts you at risk of having contracted the AIDS virus. Another common reason you might not be allowed to give blood is if you have taken aspirin or products containing aspirin recently as aspirin interferes the ability of the blood to clot properly.

From Quiz The Anatomy of the Human Heart

Answer: myocardium

Myocardium is the actual cardiac muscle and fibrous skeleton, the latter of which prevents the overstretching of the vessels and valves.

From Quiz I'm Not Sure You're My Type

Answer: O-

To say that O- (or, O Neg or Type O Rh D negative) blood is the "universal donor" is a broad generalization (often) said for the purposes of blood transfusion. as well as for good media sound bites. Since O- blood contains the LEAST antibodies it is anticipated that there should be the least chance of an immune reaction between the host and the transfused blood. This however applies to the transfusion of "whole blood" only.

From Quiz The Amazing Heart and the Blood that it Pumps

Answer: stroke volume

The average cardiac output is about 70ml of blood per heartbeat.

From Quiz It Was In Vein

Answer: Left azygous vein

Azygous is a term used to refer to something that is unpaired. The left azygous vein is present in pigs. Ruminants usually have the left azygous vein, but rarely both will persist. Dogs and most other common domesticated animals have the right azygous vein present.

From Quiz Red Cell Antigens

Answer: CD44

The Indian blood group system is named from the distinct phenotype found on 4% of the population in India. It comprises of two antithetical antigens, In(a) and In(b), and is carried on the CD44 glycoprotein. CD (cluster of differentiation) markers are used to identify cell surface antigens on leukocytes, though these markers are present on cells of haematopoietic lineage. CD44 is involved in cell-to-cell interactions, cellular adhesion and migration. The Kell and Kidd glycoproteins are the components of the Kell and Kidd blood group systems, respectively.

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Last Updated Apr 13 2024 5:46 AM

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