Medical Materials And Lines Of Defense
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Questions and Answers
- 1.
What is it?
- A.
Surgical cap
- B.
Hospital gown
- C.
Face shield
- D.
Option 4
Correct Answer
A. Surgical capExplanation
The given correct answer for this question is "surgical cap". A surgical cap is a head covering worn by healthcare professionals in operating rooms to prevent their hair from contaminating the surgical field. It helps maintain a sterile environment during surgeries and other medical procedures. Surgical caps are typically made of lightweight, breathable material and have elastic bands to secure them in place. They are an essential part of personal protective equipment (PPE) used in healthcare settings.Rate this question:
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- 2.
What is it?
- A.
Face shield
- B.
Hospital gown
- C.
Surgical mask
- D.
Option 4
Correct Answer
B. Hospital gownExplanation
The given question is asking for the identification of an item, and the correct answer is "hospital gown." A hospital gown is a loose-fitting garment worn by patients in medical facilities to provide modesty and easy access for medical examinations or procedures. It is typically made of lightweight fabric and has an open-back design for easy wearing and removal. The other options mentioned, such as a face shield and surgical mask, are also commonly used in medical settings but are not specifically referred to in the question.Rate this question:
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- 3.
What is it?
- A.
Goggles
- B.
Face shield
- C.
Medical gloves
- D.
Option 4
Correct Answer
C. Medical glovesExplanation
The correct answer is medical gloves because the question is asking for the item being described as "it." Out of the given options, medical gloves are the only item that matches the description. Goggles, face shield, and medical gloves are all listed as separate options, so they cannot be the answer.Rate this question:
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- 4.
We have three line of defense to fight against the pathogens.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because our body has three lines of defense to fight against pathogens. The first line of defense includes physical barriers like the skin and mucous membranes that prevent pathogens from entering the body. The second line of defense involves the innate immune system, which includes inflammation and the release of chemicals to destroy pathogens. The third line of defense is the adaptive immune system, which produces specific antibodies to target and eliminate pathogens. Together, these three lines of defense help protect our body from harmful pathogens.Rate this question:
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- 5.
Skin, breathing, mouth, stomach and tears are part of the second line of defense
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The given statement is false. Skin, breathing, mouth, stomach, and tears are actually part of the first line of defense, not the second. The first line of defense refers to the physical and chemical barriers that prevent pathogens from entering the body, such as the skin acting as a physical barrier, breathing trapping pathogens in mucus, and stomach acid killing pathogens. The second line of defense involves the immune response, including inflammation and the activation of white blood cells.Rate this question:
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- 6.
The second line of defense releases histamine, which causes swelling, redness and heat.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Histamine is a chemical released by the immune system as part of the inflammatory response, which is the second line of defense against pathogens. When histamine is released, it causes blood vessels to dilate, leading to increased blood flow to the affected area. This results in swelling, redness, and heat, which are common symptoms of inflammation. Therefore, the statement that the second line of defense releases histamine, which causes swelling, redness, and heat, is true.Rate this question:
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- 7.
The third line of defense releases phagocytes, which surround the pathogens.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The third line of defense in the immune system is the adaptive immune response, which involves the activation of T and B cells. These cells produce antibodies and coordinate a targeted attack against specific pathogens. Phagocytes, on the other hand, are part of the second line of defense and are responsible for engulfing and destroying pathogens. Therefore, the statement that the third line of defense releases phagocytes is false.Rate this question:
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- 8.
The third line of defense is formed by the lymphocytes.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The lymphocytes are a type of white blood cell that plays a crucial role in the immune response. They are responsible for recognizing and attacking foreign substances, such as bacteria and viruses, in the body. This makes them an essential part of the third line of defense, which is the immune response that specifically targets and eliminates pathogens. Therefore, the statement that the third line of defense is formed by the lymphocytes is true.Rate this question:
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- 9.
The first line of defense is formed by physical ________
Correct Answer
barriersExplanation
Physical barriers are the first line of defense because they provide a physical obstacle or obstruction that prevents or hinders the entry or access of potential threats. These barriers can include walls, fences, doors, locks, gates, and other physical structures that create a boundary or limit access to a particular area. By acting as a deterrent or preventing unauthorized entry, physical barriers help to protect and secure a space, reducing the likelihood of security breaches or attacks.Rate this question:
- 10.
The first line of defense is also formed by chemical barriers, for example, the stomach acids, tears and ________
Correct Answer
mucusExplanation
Chemical barriers are the first line of defense in the body's immune system. Stomach acids, tears, and mucus are examples of these chemical barriers. Stomach acids help to kill harmful bacteria that enter the body through food or drink. Tears contain enzymes and antibodies that can neutralize pathogens on the surface of the eye. Mucus, on the other hand, acts as a physical and chemical barrier in the respiratory and digestive systems. It traps and immobilizes pathogens, preventing them from entering further into the body. Mucus also contains antimicrobial substances that can kill or inhibit the growth of pathogens.Rate this question:
- 11.
The inflammatory response is part of the ________ line of defense.
Correct Answer
secondExplanation
The inflammatory response is part of the second line of defense. The first line of defense includes physical barriers like the skin and mucous membranes, while the second line of defense involves the inflammatory response. This response is triggered by the presence of pathogens or tissue damage and involves the release of chemical signals that attract immune cells to the site of infection or injury. These immune cells then work to eliminate the pathogens and initiate the healing process.Rate this question:
- 12.
________ engolf (surround) and destroy the pathogens.
Correct Answer
PhagocytesExplanation
Phagocytes are cells in the immune system that engulf and destroy pathogens. They play a crucial role in the body's defense against infections. When pathogens enter the body, phagocytes recognize them as foreign and surround them, forming a protective barrier. They then proceed to engulf the pathogens, enclosing them within a membrane-bound vesicle called a phagosome. Once inside the phagosome, the phagocytes release enzymes and other toxic substances that destroy the pathogens, effectively eliminating the threat.Rate this question:
- 13.
The ________ are part of the third line of defense.
Correct Answer
lymphocytesExplanation
Lymphocytes are a type of white blood cell that plays a crucial role in the immune system. They are considered part of the third line of defense because they are involved in the adaptive immune response. When the body is exposed to a specific pathogen, lymphocytes recognize and target it for destruction. They can differentiate into different types, such as B cells and T cells, which work together to produce antibodies and directly attack infected cells. Overall, lymphocytes are an important component of the immune system's defense against pathogens.Rate this question:
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Current Version
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Jun 20, 2023Quiz Edited by
ProProfs Editorial Team -
Nov 28, 2018Quiz Created by
Ximena
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