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Section 2

Review Questions from Section 2

QuestionAnswer
What type of tissue is blood? Connective tissue
What is the only tissue made of cells floating in a liquid? Blood
The liquid part of blood, a watery straw-colored fluid, is called what? plasma
What part of the blood transports dissolved items such as food, hormones, waste, and ions? Plasma
What part of the blood carries several types of proteins involved in blood clotting, defense, and maintaining water balance? Plasma
Which makes up the majority of blood - plasma or blood cells? Plasma (55%)
What percentage of the blood is made up of blood cells? 45%
Which of the following is NOT a function of blood? A) deliver essentials to cells and remove waste B) create vital hormones C) spread heat around the body D) protector of the body create vital hormones
True or false- only one kind of cell is found in plasma False- several types of cells are found in plasma
What are the three types of blood cells found in plasma? red blood cells, white blood cells, and platelets
What are the two components of blood? Plasma and blood cells
Red blood cells make up what percentage of the cells found in plasma? 99%
Neutrophils, monocytes, and lymphocytes are examples of what kind of blood cell? white blood cells
What is the function of lymphocytes? A) release antibodies B) kill germs C) initiate blood clotting D) plug leaks release antibodies
What is the function of neutrophils? A) release antibodies B) kill germs C) initiate blood clotting D) plug leaks kill germs
What is the function of monocytes? A) release antibodies B) kill germs C) initiate blood clotting D) plug leaks kill germs
What is the function of platelets? A) release antibodies B) kill germs C) initiate blood clotting D) plug leaks Both C&D - plug leaks and initiate blood clotting
What type of blood cell forms from huge bone marrow cells called megakaryocytes? platelets
What type of blood cell is responsible for initiating blood clotting? platelets
Molecular markers made from carbohydrates and proteins and attached to our red blood cells are known as what? Antigens
What determines which blood group a person belongs to? the presence or absence of antigens on their red blood cells
On what type of blood cell are antigens found? red blood cells
Name the four different blood groups A, B, AB and O
What type of antigens does a person with blood type O have? none
The antigens of a person with type A blood will target what other type of antigens? type B antigens
Which blood group contains both anti-A and anti-B antibodies? Type O
Which blood group contains neither anti-A or anti-B antibodies? Type AB
What blood group can be given to all other blood types? Type O
What blood group can receive blood from all other blood groups? Type AB
When anti-B antibodies attack B antigens, what happens? the group B blood cells will clump together, causing pain and possibly death
Which is found on the surface of red blood cells- antibodies or antigens? antigens
What organ is the mighty pump at the core of the circulatory system? the heart
Each half of the heart is divided into how many chambers? Two
What are the names for the two chambers that make up each half of the heart? atrium and ventricle
Which chamber of the heart does blood enter first- the atrium or the ventricle? atrium
Approximately how many seconds does it take a red blood cell to make a complete trip through the circulatory system? 60 seconds
During a complete trip through the circulatory system, how many times will a red blood cell enter and leave the heart? twice
Which half of the heart pumps oxygen-depleted blood to the lungs- right or left? right
Which half of the heart sends oxygen-rich blood out into the body- right or left? left
What type of blood vessels carry blood from the heart to muscle, connective, and all other types of tissues- arteries or veins? arteries
Which of the following is responsible for carrying blood though the tissues of the body? A) arteries B) veins C) capillaries D) ventricles E) atriums capillaries
Which type of blood vessel carries blood back to the heart- arteries or veins? veins
What makes up most of the wall enclosing all four chambers of the heart? cardiac muscle
Other than the heart, where else in the body is cardiac muscle found? Nowhere. It is unique to the heart
Which of the following is NOT true of cardiac muscle: A) its cells generate more energy than regular cells B) its cells can work nonstop for a lifetime C) it can be found in both the heart and lungs D) its cells contain bigger-than-normal mitochondria it can be found in both the heart and lungs (Cardiac muscle is unique to the heart)
What prevents tearing in the cardiac muscle when the cells contract? connective tissue fibers
What type of muscle consists of branching muscle cells firmly anchored to each other and reinforced by connective tissue fibers? cardiac muscle
What is the name for the main artery leaving the heart's left side? the aorta
What is the name of the first two arteries that branch off from the aorta? the coronary arteries
What is the purpose of the special valves found in the heart? enforce a one-way flow of blood
Which valves in the heart are made up of three pockets- the valves at the exit of each ventricle, or the valve between the atrium and ventricle? the valves at the exit of each ventricle
Which of the valves in the heart consists of downward-pointing flaps- the valves at the exit of each ventricle, or the valves between the atrium and ventricle? the valves between the atrium and ventricle
What anchors the flaps of the valve between the atrium and ventricle in their closed, self-sealing position and prevents them from being blown inside out? cords made of collagen
During each heartbeat, which contracts first- the atria or the ventricles? the atria (plural of atrium)
What is the function of the special bundle of cells in the heart called the SA Node? stimulate the contraction of the heart muscles and maintain the pace of the beating heart
Impulses from the SA Node travel to the walls of the left and right atria, and also to a second bundle of fibers known as what? the AV Node
What is the name for the wall that separates the left and right ventricles in the heart? the septum
After the AV node receives a signal from the SA node, which contracts first- the papillary muscles or the ventricle itself? the papillary muscles
What is the name of the artery that runs down the thumb side of your wrist and allows you to feel your pulse? radial artery
What is the name of the inch-wide artery that carries oxygen-rich blood from the heart's left ventricle? the aorta
The elasticity of an artery's muscular tissue allows the artery to _________ and then _________ , ensuring a smooth flow of blood expand and recoil
The radial artery passes over what bone in the forearm? The radius bone
As arteries get farther from the heart, does their elasticity increase or decrease? Decrease
True or false- the muscle layer of an artery can contract or relax in order to control blood flow to a particular tissue True. True Story.
Created by: St Rita SD
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