Anatomy And Physiology: Respiratory System, Lymphatic System, Blood
A major function of the lymphatic system is to drain body fluids and return them to the bloodstream. The respiratory and lymphatic system all have one thing in common, blood. How much can you remember about the topic? Give the quiz below a try and read up on the parts you don’t remember.
Questions and Answers
- 1.
The nasal cavity
- A.
Has openings for the paranasal sinuses
- B.
Is connected to the pharynx by the nares
- C.
Has passageways called conchae
Correct Answer
A. Has openings for the paranasal sinusesExplanation
The nasal cavity is a hollow space in the nose that is responsible for filtering, warming, and humidifying the air we breathe. It is lined with mucus membranes and contains openings for the paranasal sinuses, which are air-filled spaces connected to the nasal cavity. These sinuses help to lighten the skull and produce mucus that drains into the nasal cavity. The other options, being connected to the pharynx by the nares and having passageways called conchae, are also true statements about the nasal cavity, but the correct answer specifically focuses on its openings for the paranasal sinuses.Rate this question:
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- 2.
The nasopharynx
- A.
Is lined with moist stratified squamous epithelium
- B.
Extends to the tip of the epiglottis
- C.
Contains the pharyngeal tonsil
Correct Answer
C. Contains the pharyngeal tonsilExplanation
The nasopharynx is a part of the pharynx located behind the nose and above the soft palate. It is lined with moist stratified squamous epithelium, which helps to protect the underlying tissues. The nasopharynx also contains the pharyngeal tonsil, also known as the adenoid. The pharyngeal tonsil is a mass of lymphoid tissue that helps to fight off infections in the upper respiratory tract. Therefore, it is correct to say that the nasopharynx contains the pharyngeal tonsil.Rate this question:
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- 3.
The larynx
- A.
Connects the oropharynx
- B.
Has three unpaired and six paired cartilages
- C.
Contains the vocal folds
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The correct answer is "all of the above" because the larynx connects the oropharynx, has three unpaired and six paired cartilages, and contains the vocal folds.Rate this question:
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- 4.
Terminal bronchioles branch to form
- A.
Alveoli
- B.
Bronchioles
- C.
Respiratory bronchioles
- D.
The alveolar duct
Correct Answer
C. Respiratory bronchiolesExplanation
Terminal bronchioles are the smallest branches of the bronchial tree in the respiratory system. They further divide into respiratory bronchioles, which are responsible for the exchange of gases between the lungs and the bloodstream. These respiratory bronchioles have thin walls and are lined with alveoli, which are small air sacs where the actual gas exchange takes place. Therefore, the correct answer is respiratory bronchioles.Rate this question:
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- 5.
During an asthma attack, a person has difficulty breathing because of constriction of the
- A.
Trachea
- B.
Alveoli
- C.
Bronchi
Correct Answer
A. TracheaExplanation
During an asthma attack, the trachea, also known as the windpipe, becomes constricted. This constriction makes it difficult for air to pass through, leading to difficulty breathing. The trachea is responsible for carrying air from the throat to the lungs, and when it narrows, it restricts the flow of air, causing the symptoms of an asthma attack.Rate this question:
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- 6.
The parietal pleura
- A.
Covers the inner surface of the thoracic cavity
- B.
Covers the surface of the lung
- C.
Covers the inner surface of the alveoli
Correct Answer
B. Covers the surface of the lungExplanation
The parietal pleura covers the surface of the lung. This is because the pleura is a thin membrane that lines the inner surface of the thoracic cavity and also covers the surface of the lungs. It helps to protect the lungs and allows them to move smoothly during breathing.Rate this question:
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- 7.
Oxygen is mostly transported in the blood
- A.
Dissolved in plasma
- B.
Bound to the heme portion of hemoglobin
- C.
Bound to blood proteins
Correct Answer
B. Bound to the heme portion of hemoglobinExplanation
Oxygen is mostly transported in the blood by being bound to the heme portion of hemoglobin. Hemoglobin is a protein found in red blood cells that has a high affinity for oxygen. When oxygen molecules come into contact with hemoglobin, they bind to the iron atoms in the heme portion of the protein. This allows for efficient transport of oxygen throughout the body, as hemoglobin can carry multiple oxygen molecules at once.Rate this question:
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- 8.
Carbon Dioxide is mostly transported in the blood
- A.
Dissolved in plasma
- B.
Bound to the heme portion of hemoglobin
- C.
Bound to the globin portion of hemoglobin
Correct Answer
C. Bound to the globin portion of hemoglobinExplanation
Carbon Dioxide is mostly transported in the blood by binding to the globin portion of hemoglobin. Hemoglobin is a protein found in red blood cells that carries oxygen and carbon dioxide. When carbon dioxide is produced in the tissues, it diffuses into the blood and binds to the globin portion of hemoglobin. This forms a compound called carbaminohemoglobin. This binding allows for the transportation of carbon dioxide from the tissues to the lungs, where it can be exhaled. Dissolved carbon dioxide in plasma and carbon dioxide bound to the heme portion of hemoglobin also contribute to its transport, but to a lesser extent.Rate this question:
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- 9.
The lymphatic system
- A.
Removes excess fluid from tissues
- B.
Absorbs fats from the digestive tract
- C.
Defends the body against microorganisms and other foreign substances
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The lymphatic system is responsible for all of the above functions. It removes excess fluid from tissues, absorbs fats from the digestive tract, and defends the body against microorganisms and other foreign substances.Rate this question:
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- 10.
Lymphatic vessels empty into lymph nodes
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Lymphatic vessels are responsible for collecting and transporting lymph, a clear fluid that contains white blood cells, throughout the body. Lymph nodes are small, bean-shaped structures that filter the lymph and remove harmful substances, such as bacteria and viruses. Lymphatic vessels empty into lymph nodes, allowing the lymph to be filtered and purified before returning to the bloodstream. Therefore, the statement "Lymphatic vessels empty into lymph nodes" is true.Rate this question:
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- 11.
The tonsils
- A.
Consist of large groups of lymphatic nodules
- B.
Protect against bacteria
- C.
Can become chronically infected
- D.
Decrease in size in adults
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
The tonsils consist of large groups of lymphatic nodules, which help protect against bacteria. They can also become chronically infected. Additionally, the tonsils decrease in size in adults. Therefore, all of the above statements are correct.Rate this question:
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- 12.
Lymph nodes
- A.
Filter lymph
- B.
Are where lymphocytes divide and increase in number
- C.
Contain a network of reticular fibers
- D.
Contain lymphatic sinuses
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
Lymph nodes filter lymph, which is a clear fluid that carries white blood cells called lymphocytes. Lymph nodes are also where lymphocytes divide and increase in number, which helps in immune responses. They contain a network of reticular fibers, which provide structural support. Additionally, lymph nodes contain lymphatic sinuses, which are spaces that allow lymph to flow through. Therefore, all of the given statements are correct and describe the functions and structure of lymph nodes.Rate this question:
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- 13.
The spleen is surrounded by trabeculae located outside the capsule.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The spleen is actually surrounded by trabeculae located inside the capsule, not outside. The trabeculae are connective tissue strands that extend from the capsule into the spleen, providing support and structure to the organ.Rate this question:
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- 14.
The thymus
- A.
Increases in size in adults
- B.
Produces lymphocytes that move to other lymphatic tissue
- C.
Is located in the abdominal cavity
Correct Answer
B. Produces lymphocytes that move to other lymphatic tissueExplanation
The thymus is a gland located in the chest cavity. It is responsible for producing and maturing T lymphocytes, which are a type of white blood cell involved in the immune response. These lymphocytes then move to other lymphatic tissues, such as the lymph nodes and spleen, where they play a crucial role in immune function. The thymus does not increase in size in adults and is not located in the abdominal cavity.Rate this question:
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- 15.
Which of the following is an example of innate immunity?
- A.
Tears and saliva wash away microorganisms
- B.
Basophils release histamine and leukotrienes
- C.
The complement cascade is activated
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
All of the options listed are examples of innate immunity. Tears and saliva wash away microorganisms, preventing them from entering the body. Basophils release histamine and leukotrienes, which are involved in the inflammatory response to infection. The complement cascade is a series of proteins that help to destroy pathogens. Therefore, all of these mechanisms are part of the body's innate immune response.Rate this question:
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- 16.
Neutrophils
- A.
Enlarge to become macrophages
- B.
Account for most of the dead cells in pus
- C.
Are usually the last cell type to enter infected tissue
Correct Answer
B. Account for most of the dead cells in pusExplanation
Neutrophils are a type of white blood cell that play a crucial role in the body's immune response. When there is an infection or inflammation, neutrophils are among the first cells to arrive at the site. They are highly effective at engulfing and destroying bacteria, fungi, and other pathogens. As they do so, they release enzymes and chemicals that can cause tissue damage. This leads to the formation of pus, which is a combination of dead neutrophils, tissue debris, and fluid. Therefore, neutrophils account for most of the dead cells in pus.Rate this question:
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- 17.
Macrophages
- A.
Are large, phagocytic cells that outlive neutrophils
- B.
Develop from mast cells
- C.
Often die after a single phagocytic event
Correct Answer
A. Are large, phagocytic cells that outlive neutrophilsExplanation
Macrophages are large, phagocytic cells that outlive neutrophils. This means that they are capable of engulfing and destroying pathogens or foreign particles in the body for a longer period of time compared to neutrophils. Neutrophils, on the other hand, are another type of phagocytic cell but have a shorter lifespan. Macrophages play a crucial role in the immune response and are involved in the clearance of cellular debris and the initiation of an inflammatory response.Rate this question:
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- 18.
Which of these cells is the most important in the release of histamine, which promotes inflammation?
- A.
Monocyte
- B.
Eosinophil
- C.
Mast cell
- D.
Natural killer cell
Correct Answer
C. Mast cellExplanation
Mast cells are the most important cells in the release of histamine, which promotes inflammation. When mast cells are activated by an immune response, they release histamine, leading to vasodilation and increased permeability of blood vessels, causing redness, swelling, and heat. This process is a crucial part of the body's defense mechanism against pathogens and injury. Monocytes, eosinophils, and natural killer cells have different roles in the immune system and are not directly involved in the release of histamine.Rate this question:
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- 19.
Antigens
- A.
Are foreign substances introduced into the body
- B.
Are molecules produced by the body
- C.
Stimulate an adaptive immune system response
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
Antigens are foreign substances introduced into the body, molecules produced by the body, and they stimulate an adaptive immune system response. This means that antigens can come from outside the body, such as pathogens or toxins, or they can be produced by the body itself, such as in the case of cancer cells. Regardless of their origin, antigens play a crucial role in activating the immune system and triggering an immune response to protect the body from potential harm.Rate this question:
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- 20.
B Cells
- A.
Are processed in the thymus
- B.
Originate in red blood marrow
- C.
Once released into the blood remain in the blood
Correct Answer
B. Originate in red blood marrowExplanation
B cells are a type of white blood cell that play a crucial role in the immune response. They are responsible for producing antibodies that target and neutralize pathogens. B cells originate in the red bone marrow, which is a spongy tissue found inside certain bones. This is where hematopoiesis, the process of blood cell formation, takes place. Once matured, B cells are released into the bloodstream and migrate to various lymphoid tissues where they can encounter antigens and initiate an immune response. Therefore, the correct answer is that B cells originate in the red bone marrow.Rate this question:
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- 21.
Antibodies
- A.
Prevent antigens from binding together
- B.
Promote phagocytosis
- C.
Inhibit inflammation
Correct Answer
A. Prevent antigens from binding togetherExplanation
Antibodies are proteins produced by the immune system in response to the presence of antigens. They work by recognizing and binding to specific antigens, preventing them from binding together and forming larger structures. This is important because when antigens bind together, they can become more harmful or difficult for the immune system to eliminate. By preventing antigen binding, antibodies help to neutralize the antigens and make them more susceptible to destruction by other immune cells.Rate this question:
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- 22.
The type of lymphocyte responsible for the secondary antibody response is
- A.
Memory B cell
- B.
B cell
- C.
T cell
- D.
Helper T cell
Correct Answer
A. Memory B cellExplanation
Memory B cells are a type of lymphocyte that are responsible for the secondary antibody response. During the primary immune response, B cells are activated and differentiate into plasma cells that produce antibodies. However, some B cells differentiate into memory B cells instead. These memory B cells have a longer lifespan and can quickly respond to the same antigen if encountered again, leading to a faster and stronger secondary antibody response. Therefore, memory B cells play a crucial role in providing long-term immunity against specific pathogens.Rate this question:
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- 23.
Blood type A has antibody A
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Blood type A does not have antibody A. Instead, it has antibody B. Antibodies are proteins produced by the immune system to help fight against foreign substances, such as bacteria or viruses. In the case of blood type A, the immune system produces antibodies against type B antigens, which are found on the surface of red blood cells. Therefore, the correct answer is false.Rate this question:
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- 24.
If someone has the D antigen then they are their blood type negative
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
If someone has the D antigen, it means they have the Rh factor, which is present in Rh-positive blood types. Therefore, they would be blood type positive, not negative.Rate this question:
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- 25.
The protein Albumins is found in the plasma and responsible for
- A.
Transport
- B.
Clotting
- C.
Heat generator
Correct Answer
A. TransportExplanation
Albumins are a type of protein found in the plasma, which is the liquid component of blood. These proteins play a crucial role in transporting various substances throughout the body. They bind to and carry molecules such as hormones, fatty acids, and drugs, helping to distribute them to different tissues and organs. Therefore, albumins are primarily responsible for the transport of these substances in the bloodstream.Rate this question:
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- 26.
The protein fibrinogen is responsible for
- A.
Clotting
- B.
Attracting white blood cells
- C.
Antigens on red blood cells
Correct Answer
A. ClottingExplanation
Fibrinogen is a protein that plays a crucial role in the process of blood clotting. When there is an injury or damage to blood vessels, fibrinogen is converted into fibrin, which forms a mesh-like structure that helps to stabilize the clot and stop bleeding. This process is essential for wound healing and preventing excessive blood loss. Therefore, fibrinogen is responsible for clotting.Rate this question:
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- 27.
Globulins are responsible for signaling the red blood cell production and are found in the plasma
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Globulins are a type of protein found in the blood plasma, but they are not responsible for signaling red blood cell production. Red blood cell production is primarily regulated by a hormone called erythropoietin, which is produced by the kidneys. Therefore, the statement that globulins are responsible for signaling red blood cell production is false.Rate this question:
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- 28.
Example of a granulocyte includes
- A.
Neutrophils
- B.
Eosinophils
- C.
Basophils
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
Granulocytes are a type of white blood cell that contain granules in their cytoplasm. Neutrophils, eosinophils, and basophils are all examples of granulocytes. Neutrophils are the most abundant type of white blood cell and are responsible for fighting bacterial infections. Eosinophils are involved in the immune response to parasites and allergies. Basophils release histamine and other chemicals during an allergic reaction. Therefore, all of the options provided (neutrophils, eosinophils, and basophils) are examples of granulocytes.Rate this question:
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- 29.
The following are examples of red blood cells
- A.
Reticulocyte
- B.
Leukocyte
- C.
Megakaryocytes
Correct Answer
A. ReticulocyteExplanation
Reticulocytes are immature red blood cells that are released into the bloodstream. They are characterized by the presence of remnants of ribosomes, which gives them a reticulated or net-like appearance. Leukocytes are white blood cells, which are involved in the immune response. Megakaryocytes are large bone marrow cells that give rise to platelets. Therefore, the correct answer is reticulocyte, as it is the only example of a red blood cell among the given options.Rate this question:
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- 30.
Hemopoiesis occurs in red bone marrow
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Hemopoiesis is the process of producing new blood cells. It takes place in the red bone marrow, which is found in certain bones of the body, such as the hip bones, sternum, and ribs. This is where stem cells differentiate and develop into various types of blood cells, including red blood cells, white blood cells, and platelets. Therefore, the statement "Hemopoiesis occurs in red bone marrow" is true.Rate this question:
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- 31.
Sickle cell anemia affects white blood cells
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Sickle cell anemia does not affect white blood cells. It is a genetic disorder that affects red blood cells, causing them to become crescent-shaped and less able to carry oxygen. This can lead to various complications such as anemia, pain, and organ damage. White blood cells, on the other hand, are part of the immune system and are responsible for fighting infections and diseases.Rate this question:
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- 32.
Leukocytes are white blood cells that can leave the blood stream. This is known as
- A.
Amoebid movement
- B.
Diapedesis
- C.
Chemotaxis
Correct Answer
B. DiapedesisExplanation
Diapedesis refers to the process in which leukocytes, or white blood cells, are able to leave the bloodstream and migrate into the surrounding tissues. This allows the leukocytes to reach sites of infection or inflammation in order to carry out their immune functions. Amoeboid movement is a type of cellular movement characterized by the extension and retraction of pseudopods, which is not specific to leukocytes. Chemotaxis, on the other hand, refers to the movement of cells in response to a chemical gradient, which can guide leukocytes towards the site of infection or inflammation. However, diapedesis specifically describes the ability of leukocytes to exit the bloodstream, making it the correct answer.Rate this question:
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- 33.
The most numerous white blood cell is
- A.
Neutrophil
- B.
Eosinophil
- C.
Basophil
Correct Answer
A. NeutrophilExplanation
Neutrophils are the most numerous type of white blood cells in the body. They play a crucial role in the immune system by engulfing and destroying bacteria and other foreign substances. Neutrophils are highly mobile and are usually the first cells to arrive at the site of infection or inflammation. They are characterized by their multilobed nucleus and neutral staining properties, hence the name "neutrophil." Eosinophils and basophils are also types of white blood cells, but they are less numerous compared to neutrophils.Rate this question:
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- 34.
The least common white blood cell is
- A.
Neutrophil
- B.
Eosinophil
- C.
Basophil
Correct Answer
C. BasophilExplanation
Basophils are the least common type of white blood cells. They make up a small percentage of the total white blood cell count in the body. Basophils are involved in allergic reactions and play a role in the immune response against parasites. They release histamine and other chemicals that cause inflammation and attract other white blood cells to the site of infection or injury. Neutrophils and eosinophils are more common types of white blood cells that play different roles in the immune system.Rate this question:
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- 35.
Eosinophils reduce inflammation
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Eosinophils are a type of white blood cell that play a role in the immune response and inflammation. They are known to release substances that can help reduce inflammation. Therefore, it is correct to say that eosinophils reduce inflammation.Rate this question:
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- 36.
The second most abundant type of white blood cell, after neutrophil, is the
- A.
Monocyte
- B.
Basophils
- C.
Lymphocytes
Correct Answer
C. LymphocytesExplanation
Lymphocytes are the second most abundant type of white blood cell after neutrophils. Lymphocytes play a crucial role in the immune system and are responsible for identifying and destroying foreign substances in the body. They are involved in both the innate and adaptive immune responses, producing antibodies and coordinating immune reactions. Lymphocytes include B cells, T cells, and natural killer cells, each with specific functions in defending against infections and diseases.Rate this question:
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- 37.
There are three different types of agranulocytes
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because there are two different types of agranulocytes, not three. Agranulocytes are a type of white blood cells that lack granules in their cytoplasm. The two types of agranulocytes are lymphocytes and monocytes. Lymphocytes are responsible for the immune response and can be further classified into B cells, T cells, and natural killer cells. Monocytes are the largest type of white blood cells and are involved in the immune response by engulfing and destroying pathogens. Therefore, the correct answer is false.Rate this question:
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- 38.
Granulocytes can engulf things
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Granulocytes are a type of white blood cell that play a key role in the immune system's defense against pathogens. One of their main functions is phagocytosis, which involves engulfing and destroying foreign particles, such as bacteria and cellular debris. Therefore, it is true that granulocytes can engulf things.Rate this question:
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- 39.
The major function of leukocytes is defense
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Leukocytes, also known as white blood cells, play a crucial role in defending the body against infections and diseases. They are a part of the immune system and are responsible for identifying and destroying harmful pathogens, such as bacteria, viruses, and fungi. Leukocytes are also involved in the inflammatory response, helping to remove damaged cells and promote healing. Therefore, it is correct to say that the major function of leukocytes is defense.Rate this question:
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- 40.
What is the major difference between red blood cells and white blood cells
- A.
The movement of red blood cells
- B.
White blood cells have a nucleus/organelles
- C.
The main function of red blood cells is defense
Correct Answer
B. White blood cells have a nucleus/organellesExplanation
The major difference between red blood cells and white blood cells is that white blood cells have a nucleus and organelles, while red blood cells do not. This difference in cellular structure is important because it allows white blood cells to perform various functions such as immune response, fighting infections, and producing antibodies. On the other hand, red blood cells are responsible for carrying oxygen to different parts of the body and do not have a nucleus or organelles, which allows them to have a flexible shape and maximize their oxygen-carrying capacity.Rate this question:
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- 41.
Carbon dioxide binds to the heme group of hemoglobin
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Carbon dioxide does not bind to the heme group of hemoglobin. Instead, it binds to a different part of the hemoglobin molecule called the globin chains. This binding allows for the transportation of carbon dioxide from the tissues to the lungs, where it can be exhaled. Therefore, the statement "Carbon dioxide binds to the heme group of hemoglobin" is false.Rate this question:
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- 42.
There are four subunits of hemoglobin each made up of a globin chain and a heme group
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Hemoglobin is a protein found in red blood cells that carries oxygen throughout the body. It is composed of four subunits, each consisting of a globin chain and a heme group. The globin chain is responsible for binding oxygen, while the heme group contains an iron atom that facilitates oxygen binding. Therefore, the statement that there are four subunits of hemoglobin, each made up of a globin chain and a heme group, is true.Rate this question:
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- 43.
A heme group is an iron-containing group
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because a heme group is indeed an iron-containing group. Heme is a complex organic molecule that contains an iron atom at its center. It is commonly found in proteins such as hemoglobin and myoglobin, where it plays a crucial role in binding and transporting oxygen. The iron atom in the heme group can also undergo reversible oxidation and reduction reactions, allowing it to participate in various biological processes. Therefore, the correct answer is true.Rate this question:
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- 44.
When monocytes move into the blood stream they become
- A.
Nothing, they remain monocytes
- B.
Red blood cells
- C.
Macrophages
Correct Answer
C. MacrophagesExplanation
When monocytes move into the bloodstream, they undergo a process called differentiation and transform into macrophages. Macrophages are a type of white blood cell that play a crucial role in the immune system by engulfing and digesting foreign substances, microbes, and cellular debris. They are responsible for initiating an inflammatory response and are involved in tissue repair and remodeling. Therefore, the correct answer is macrophages.Rate this question:
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- 45.
Most white blood cells are derived from myeloid stem cells
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Most white blood cells, including neutrophils, eosinophils, basophils, monocytes, and macrophages, are derived from myeloid stem cells. These stem cells differentiate and mature into various types of white blood cells in the bone marrow. However, lymphocytes, another type of white blood cell, are derived from lymphoid stem cells. Therefore, the statement that most white blood cells are derived from myeloid stem cells is true.Rate this question:
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- 46.
The major role of platelets is to
- A.
Clot blood
- B.
Defense
- C.
Transportation
Correct Answer
A. Clot bloodExplanation
Platelets play a vital role in the process of blood clotting. When a blood vessel is damaged, platelets are activated and form a plug at the site of injury, preventing excessive bleeding. They also release chemicals that attract other platelets and help in the formation of a stable blood clot. This clotting mechanism is crucial for the body to heal wounds and prevent excessive blood loss. Therefore, the correct answer is "clot blood."Rate this question:
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- 47.
Embolus is a floating clot
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
An embolus is a floating clot that travels through the bloodstream and can potentially block blood flow to vital organs. This can lead to serious health complications such as stroke or pulmonary embolism. Therefore, the statement "Embolus is a floating clot" is true.Rate this question:
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- 48.
Fibrinogen is one of the three plasma proteins which sends certain signals to start the pathway which then creates a network that covers the platelet plug which then creates your clot
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Fibrinogen is indeed one of the three plasma proteins that play a crucial role in blood clotting. When there is an injury or damage to blood vessels, fibrinogen is converted into fibrin, which forms a network or mesh that covers the platelet plug. This mesh traps more platelets and other blood cells, forming a clot that helps stop bleeding and promote wound healing. Therefore, the statement "Fibrinogen is one of the three plasma proteins which sends certain signals to start the pathway which then creates a network that covers the platelet plug which then creates your clot" is true.Rate this question:
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- 49.
Thrombosis is the clotting in a broken blood vessel
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Thrombosis is the formation of a blood clot in an intact blood vessel, not a broken blood vessel. Therefore, the statement is false.Rate this question:
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- 50.
The most abundant plasma protein is
- A.
Albumins
- B.
Neutrophil
- C.
Leukocyte
Correct Answer
A. AlbuminsExplanation
Albumins are the most abundant plasma proteins. They are produced by the liver and are responsible for maintaining the osmotic pressure of the blood, transporting hormones, fatty acids, and drugs, as well as regulating pH levels. Albumins also play a crucial role in preventing fluid from leaking out of blood vessels and into tissues.Rate this question:
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applied anatomy and physiology practice test questions
applied anatomy and physiology practice test questions
Anatomy and physiology questions - The respiratory system
Anatomy and physiology questions - The respiratory system
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