Passive immunity can be produced by administration of (A) Pure antigens (B) Immunoglobulins (C) Toxoids (D) Killed bacteria or viruses

Passive immunity can be produced by administration of (A) Pure antigens (B) Immunoglobulins (C) Toxoids (D) Killed bacteria or viruses
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Answer : B
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Active immunity can be produced by administration of (A) Killed bacteria or viruses (B) Live attenuated bacteria or viruses (C) Toxoids (D) All of these

Description : Active immunity can be produced by administration of (A) Killed bacteria or viruses (B) Live attenuated bacteria or viruses (C) Toxoids (D) All of these

Last Answer : Answer : D

Passive artificial immunity occurs in the body when a/an _____ is injected into the body or when a developing fetus receives antibodies across the placenta. a. antibody-rich serum b. antigens c. haptens d. adjuvant

Description : Passive artificial immunity occurs in the body when a/an _____ is injected into the body or when a developing fetus receives antibodies across the placenta. a. antibody-rich serum b. antigens c. haptens d. adjuvant

Last Answer : a. antibody-rich serum

The unique sets of proteins that present antigens on the surfaces of body cells are a. MHC proteins. b. Cytokines. c. Complement proteins. d. Immunoglobulins.

Description : The unique sets of proteins that present antigens on the surfaces of body cells are a. MHC proteins. b. Cytokines. c. Complement proteins. d. Immunoglobulins.

Last Answer : b. Cytokines.

An antigens develop antibodies. The Antibody which protect the body from harmful bacteria and viruses are?

Description : An antigens develop antibodies. The Antibody which protect the body from harmful bacteria and viruses are?

Last Answer : Immunoglobulins

An attenuated vaccine contains a. Inactive toxins. b. Living, but slow growing (replicating) antigens. c. Killed bacteria. d. Noninfective antigen subunits.

Description : An attenuated vaccine contains a. Inactive toxins. b. Living, but slow growing (replicating) antigens. c. Killed bacteria. d. Noninfective antigen subunits.

Last Answer : b. Living, but slow growing (replicating) antigens.

Which of the following classes of immunoglobulins is important in immunity to T. vaginalis? A A. IgA B. IgG C. IgE D. IgM

Description : Which of the following classes of immunoglobulins is important in immunity to T. vaginalis? A A. IgA B. IgG C. IgE D. IgM

Last Answer : IgA

Assertion : Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host. Reason

Description : Assertion : Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host. Reason

Last Answer : Assertion : Artificially acquired passive immunity results when antibodies or lymphocytes produced outside ... both the assertion and reason are false

Identify the wrong statement with reference to immunity. (a) When exposed to antigen (living or dead) antibodies are produced in the host’s body. It is called “Active immunity”. (b) When ready-made antibodies are directly given, it is called “Passive immunity”(c) Active immunity is quick and gives full response. (d) Fetus receives some antibodies from mother, it is an example for passive immunity.

Description : Identify the wrong statement with reference to immunity. (a) When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called Active immunity . (b) When ... full response. (d) Fetus receives some antibodies from mother, it is an example for passive immunity

Last Answer : c) Active immunity is quick and gives full response.

All forms of immunity depend on an exposure to antigens and a subsequent response by _____ cells. a. basophil b. neutrophil c. NK d. T

Description : All forms of immunity depend on an exposure to antigens and a subsequent response by _____ cells. a. basophil b. neutrophil c. NK d. T

Last Answer : d. T

Which of the following statements concerning perioperative nutrition is true concerning the above-described patient? a. Since the patient’s weight had been stable with no preoperative nutritional deficit, 5% dextrose intravenous solutions are adequate for the initial postoperative source of nutrition b. Preoperative immunologic status should be determined including total peripheral lymphocyte count and delayed hypersensitivity reaction to determine skin-test response to common antigens c. Routine postoperative fluid administration with intravenous 5% glucose solutions can provide the calories to meet basal energy requirements d. A jejunal feeding catheter should be placed at the time of surgery for postoperative enteral feeding

Description : Which of the following statements concerning perioperative nutrition is true concerning the above-described patient? a. Since the patient's weight had been stable with no preoperative nutritional deficit ... feeding catheter should be placed at the time of surgery for postoperative enteral feeding

Last Answer : Answer: a Most patients undergoing elective operations are adequately nourished. Unless the patient has suffered significant preoperative malnutrition, characterized by weight loss greater than ... gastrointestinal surgery, this technique would not appear indicated in the patient described above

Differentiate the following and give examples of each (a) Innate and acquired immunity (b) Active and passive immunity -Science

Description : Differentiate the following and give examples of each (a) Innate and acquired immunity (b) Active and passive immunity -Science

Last Answer : (a) Innate & acquired immunity Innate immunity, also called inherent, natural, non specific immunity, comprises all those defence elements with which an individual is bom & which are ... Whereas passive immunity is conferred by transfer of immune products like antibodies etc. from other individual

What is the difference between active immunity and passive immunity? -Biology

Description : What is the difference between active immunity and passive immunity? -Biology

Last Answer : answer:

What is passive immunity and active immunity?

Description : What is passive immunity and active immunity?

Last Answer : active immunity is the immunity that is stimulated internally as a a result of antibodies entering the body. Passive is stimulated by substances from an external source

How passive immunity is acquired ?

Description : How passive immunity is acquired ?

Last Answer : Passive immunity is acquired through natural maternal antibodies, antitoxin, and immunoglobulin.

Does vaccination against a disease confer active or passive immunity?

Description : Does vaccination against a disease confer active or passive immunity?

Last Answer : Active immunity is conferred when the body manufactures antibodies in response to direct contact with an antigen. When an individual is again exposed to the antigen, the body remembers it and ... passive immunity helps the newborn to fight disease before its own immune system has developed.  

Short-lived immunity acquired from mother to fetus across placenta or through mother’s milk to the infant is categorised as (a) active immunity (b) passive immunity (c) cellular immunity (d) innate non-specific immunity.

Description : Short-lived immunity acquired from mother to fetus across placenta or through mother’s milk to the infant is categorised as (a) active immunity (b) passive immunity (c) cellular immunity (d) innate non-specific immunity.

Last Answer : (b) passive immunity

_____ implies that if enough people in a population are immunized against certain diseases, then it is very difficult for those diseases to spread. a. Herd immunity b. Passive immunity c. Active immunity d. Natural immunity

Description : _____ implies that if enough people in a population are immunized against certain diseases, then it is very difficult for those diseases to spread. a. Herd immunity b. Passive immunity c. Active immunity d. Natural immunity

Last Answer : a. Herd immunity

_____ acquired _____ immunity usually follows an obvious illness or it may follow a subclinical illness. a. Naturally; passive b. Artificially; active c. Naturally; active d. Artificially; passive

Description : _____ acquired _____ immunity usually follows an obvious illness or it may follow a subclinical illness. a. Naturally; passive b. Artificially; active c. Naturally; active d. Artificially; passive

Last Answer : c. Naturally; active

Immune complex formation and serum sickness are dangers of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.

Description : Immune complex formation and serum sickness are dangers of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.

Last Answer : a. Artificially acquired passive immunity.

Exposure to the flu virus, contracting the flu, and recovering from the disease would be an example of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.

Description : Exposure to the flu virus, contracting the flu, and recovering from the disease would be an example of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.

Last Answer : b. Naturally acquired active immunity.

Differentiate between Active and Passive Immunity along with examples.

Description : Differentiate between Active and Passive Immunity along with examples. 

Last Answer : Active Immunity Passive Immunity  1) Antigens are injected in the human body as result antibodies are formed. 2) it develops slowly 3) it remains for longer time 4) the treatment is ... therapeutic 5) immunological memory is absent 6) Useful for immune-deficient host 7) Ex: Sera

Differentiate between Active and passive immunity.

Description : Differentiate between Active and passive immunity.

Last Answer : Sr. no Active immunity Passive immunity 1 Antigens are injected in human body as a result, antibodies are formed Readymade antibodies are injected in human body 2 Onset of ... It is termed as serum sickness 6 Preparations : Vaccines , Toxoid Preparation: sera

An attenuated vaccine is one that a. Can provide life-long immunity. b. Contains live microbes or viruses. c. Is closest to the natural pathogens. d. All the above (a-c) are correct.

Description : An attenuated vaccine is one that a. Can provide life-long immunity. b. Contains live microbes or viruses. c. Is closest to the natural pathogens. d. All the above (a-c) are correct.

Last Answer : d. All the above (a-c) are correct.

Which of the following statement(s) is/are true concerning the antibody response to an invading antigen? a. All antibodies are composed of one type of heavy and one type of light protein chain b. The carboxyl terminus of the heavy chain is the antigen binding site c. Antibody of the immunoglobulin G class is the initial antibody produced in response to an antigenic stimulus d. Immunoglobulins A, D, and E play an active role in the circulating humoral response

Description : Which of the following statement(s) is/are true concerning the antibody response to an invading antigen? a. All antibodies are composed of one type of heavy and one type of light protein chain b. ... stimulus d. Immunoglobulins A, D, and E play an active role in the circulating humoral response

Last Answer : Answer: a Humoral defenses consist of antibody (immunoglobulin; Ig) and complement. All Ig classes (IgM, IgG, IgA, IgE, IgD) and IgG subclasses are composed of one type (M, G, A, E, D ... exist in smaller amounts in the circulation and do not appear to play a major role as host defense components

Motoxins are produced by - (1) Bacteria (2) Algae (3) Viruses (4) Fungi

Description : Motoxins are produced by - (1) Bacteria (2) Algae (3) Viruses (4) Fungi

Last Answer : (4) Fungi Explanation: Aflatoxin are naturally occurring mycotoxins that are produced by Aspergillus flavus and Aspergillus parasiticus, species of fungi. They have been associated with various diseases, such as aflatoxicosis, in livestock, domestic animals and humans throughout the world.

Carbohydrates, the most abundant biomolecule on earth, are produced by (a) some bacteria, algae and green plant cells (b) fungi, algae and green plant cells (c) all bacteria, fungi and algae (d) viruses, fungi and bacteria.

Description : Carbohydrates, the most abundant biomolecule on earth, are produced by (a) some bacteria, algae and green plant cells (b) fungi, algae and green plant cells (c) all bacteria, fungi and algae (d) viruses, fungi and bacteria.

Last Answer : (a) some bacteria, algae and green plant cells

Afla toxins are produced by (1) Bacteria (2) Algae (3) Viruses (4) Fungi

Description : Afla toxins are produced by (1) Bacteria (2) Algae (3) Viruses (4) Fungi

Last Answer : Fungi

The body responds to exotoxins by producing antibodies called _____. a. Adhesins b. Antitoxins c. Toxoids d. A-C Are Correct

Description : The body responds to exotoxins by producing antibodies called _____. a. Adhesins b. Antitoxins c. Toxoids d. A-C Are Correct

Last Answer : b. Antitoxins

What are toxoids ? Discuss general methods for preparation of toxoids.

Description : What are toxoids ? Discuss general methods for preparation of toxoids.

Last Answer : Toxoids: The pathogenic bacteria during their growth in a suitable medium produce toxic substances known as toxins . These toxins are disease producing and antigenic in nature. These toxins may be ... are Diphtheria vaccines, Tetanus toxoid (adsorbed) I.P., Staphylococcus toxoid I.P. etc 

Pathogenic bacteria secrete - (1) Antigens (2) Antibodies (3) Hormones (4) Interferons

Description : Pathogenic bacteria secrete - (1) Antigens (2) Antibodies (3) Hormones (4) Interferons

Last Answer : (1) Antigens Explanation: Pathogenic bacteria secrete various virulence factors, including toxins, lipases and pro-teases that allow them to infect, breakdown and colonize host tissue. Among ... while phospholipases cleaves and hydrolyzes the ester bonds of most phospholipids in cell membrane.

Pathogenic bacteria secrete (1) Antigens (2) Antibodies (3) Hormones (4) Interferons

Description : Pathogenic bacteria secrete (1) Antigens (2) Antibodies (3) Hormones (4) Interferons

Last Answer : Antigens

Variable regions are present in (A) Immunoglobulins (B) α-Chains of T cell receptors (C) β-Chains of T cell receptors (D) All of these

Description : Variable regions are present in (A) Immunoglobulins (B) α-Chains of T cell receptors (C) β-Chains of T cell receptors (D) All of these

Last Answer : Answer : D

All immunoglobulins contain (A) 4 L chains (B) 4 H chains (C) 3 L chains (D) 2 L chains and 2 H chains

Description : All immunoglobulins contain (A) 4 L chains (B) 4 H chains (C) 3 L chains (D) 2 L chains and 2 H chains

Last Answer : Answer : D

The immunoglobulins are classified on the basis of (A) Light chains (B) Heavy chains (C) Carbohydrate content (D) Electrophoretic mobility

Description : The immunoglobulins are classified on the basis of (A) Light chains (B) Heavy chains (C) Carbohydrate content (D) Electrophoretic mobility

Last Answer : Answer : B

The immunoglobulins are differentiated and also named on the basis of (A) Electrophoretic mobility (B) Heat stability (C) Molecular weight (D) Sedimentaiton coefficient like 7 S, 19 S etc.

Description : The immunoglobulins are differentiated and also named on the basis of (A) Electrophoretic mobility (B) Heat stability (C) Molecular weight (D) Sedimentaiton coefficient like 7 S, 19 S etc.

Last Answer : Answer : D

Plasma proteins act as (A) Buffers (B) Immunoglobulins (C) Reserve proteins (D) All of these

Description : Plasma proteins act as (A) Buffers (B) Immunoglobulins (C) Reserve proteins (D) All of these

Last Answer : Answer : D

Immunoglobulins are characterized by their (A) Heavy chains (B) Molecular weight (C) Light chains (D) Electrophoretic behaviour

Description : Immunoglobulins are characterized by their (A) Heavy chains (B) Molecular weight (C) Light chains (D) Electrophoretic behaviour

Last Answer : Answer : A

MHC Class III proteins include (A) Immunoglobulins (B) Components of complement system (C) T cells receptors (D) CD4 and CD8 proteins

Description : MHC Class III proteins include (A) Immunoglobulins (B) Components of complement system (C) T cells receptors (D) CD4 and CD8 proteins

Last Answer : Answer : D

Immunoglobulins are classified on the basis of (A) Type of light chains (B) Type of heavy chains (C) Types of light and heavy chains (D) Molecular weight

Description : Immunoglobulins are classified on the basis of (A) Type of light chains (B) Type of heavy chains (C) Types of light and heavy chains (D) Molecular weight

Last Answer : Answer : B

Light chains of immunoglobulins are of following types: (A) Alpha and kappa (B) Alpha and gamma (C) Lambda and delta(D) Kappa and lambda

Description : Light chains of immunoglobulins are of following types: (A) Alpha and kappa (B) Alpha and gamma (C) Lambda and delta(D) Kappa and lambda

Last Answer : Answer : D

An Afro-Carribean male aged 48 years presents with gradual onset of exertional dyspnoea, non productive cough, malaise, weight loss and polyarthralgia. Schirmers test indicates a dry eye. X-ray of the hand shows punched out osteopenic lesions. Which of the following investigation is unlikely to be helpful in establishing the diagnosis of this condition: 1) Serum calcium 2) Serum phosphorus 3) Urea and electrolytes 4) Thallium Scan 5) Quantitative Immunoglobulins.

Description : An Afro-Carribean male aged 48 years presents with gradual onset of exertional dyspnoea, non productive cough, malaise, weight loss and polyarthralgia. Schirmers test indicates a dry eye. X-ray ... 2) Serum phosphorus 3) Urea and electrolytes 4) Thallium Scan 5) Quantitative Immunoglobulins.

Last Answer : Answers-4 This condition is sarcoidosis. Serum calcium, Serum phosphorus, Chem7 and Chem 20 and Quantitative Immunoglobulins are all used in establishing the diagnosis. Gallium scan is helpful in ... areas of poor perfusion. It is particularly used in cardiology to detect areas of ischaemia.

A normal cell can be transformed into a cancer cell by all of the following except (A) Ionising radiation (B) Mutagenic chemicals (C) Oncogenic bacteria (D) Some viruses

Description : A normal cell can be transformed into a cancer cell by all of the following except (A) Ionising radiation (B) Mutagenic chemicals (C) Oncogenic bacteria (D) Some viruses

Last Answer : Answer : C

Restriction endonucleases are present in (A) Viruses (B) Bacteria (C) Eukaryotes (D) All of these

Description : Restriction endonucleases are present in (A) Viruses (B) Bacteria (C) Eukaryotes (D) All of these

Last Answer : Answer : B

Non-coding sequence are present in the genes of (A) Bacteria (B) Viruses (C) Eukaryotes (D) All of these

Description : Non-coding sequence are present in the genes of (A) Bacteria (B) Viruses (C) Eukaryotes (D) All of these

Last Answer : Answer : C

Introns are present in DNA of (A) Viruses (B) Bacteria (C) Man (D) All of these

Description : Introns are present in DNA of (A) Viruses (B) Bacteria (C) Man (D) All of these

Last Answer : Answer : C

Mitochondrial DNA is present in (A) Bacteria (B) Viruses (C) Eukaryotes (D) All of these

Description : Mitochondrial DNA is present in (A) Bacteria (B) Viruses (C) Eukaryotes (D) All of these

Last Answer : Answer : C

Select the correct statement from the following. (a) Biogas is produced by the activity of aerobic bacteria on animal waste. (b) Methanobacterium is an aerobic bacterium found in rumen of cattle. (c) Biogas, commonly called gobar gas, is pure methane. (d) Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.

Description : Select the correct statement from the following. (a) Biogas is produced by the activity of aerobic bacteria on animal waste. (b) Methanobacterium is an aerobic bacterium found in rumen of ... sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.

Last Answer : (d) Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.

A security audit performed on the internal network of an organization by the network administration is also known as ___________. a. Grey-box testing b. Black-box testing c. White-box testing d. Active testing E. Passive testing

Description : A security audit performed on the internal network of an organization by the network administration is also known as ___________. a. Grey-box testing b. Black-box testing c. White-box testing d. Active testing E. Passive testing

Last Answer : c. White-box testing

A security audit performed on the internal network of an organization by the network administration is also known as ___________. A. Grey-box testing B. Black-box testing C. White-box testing D. Active testing E. Passive testing

Description : A security audit performed on the internal network of an organization by the network administration is also known as ___________. A. Grey-box testing B. Black-box testing C. White-box testing D. Active testing E. Passive testing

Last Answer : C. White-box testing

A security audit performed on the internal network of an organization by the network administration is also known as ___________. ∙ A. Grey-box testing ∙ B. Black-box testing ∙ C. White-box testing ∙ D. Active testing ∙ E. Passive testing

Description : A security audit performed on the internal network of an organization by the network administration is also known as ___________. ∙ A. Grey-box testing ∙ B. Black-box testing ∙ C. White-box testing ∙ D. Active testing ∙ E. Passive testing

Last Answer : C. White-box testing