Blood Group Antibodies and Types Quiz

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Questions and Answers

What type of antibodies are present in the plasma of an individual with blood group A?

  • None
  • Anti-B (correct)
  • Anti-A and Anti-B
  • A and B agglutinins

Which blood group contains both A and B antigens on red blood cells?

  • Blood group AB (correct)
  • Blood group A
  • Blood group O
  • Blood group B

What antibodies are found in the plasma of blood group O individuals?

  • Anti-B only
  • A and B agglutinins
  • Anti-A and Anti-B (correct)
  • Anti-A only

Which of the following blood groups has no agglutinins in the plasma?

<p>Blood group AB (D)</p> Signup and view all the answers

If a person has anti-A antibodies in their plasma, which blood group are they likely to belong to?

<p>Blood group B (D)</p> Signup and view all the answers

Which blood group is known as the universal donor?

<p>Group O (A)</p> Signup and view all the answers

What occurs when erythrocytes from a person with antigen A are mixed with plasma containing anti-A?

<p>Agglutination occurs. (D)</p> Signup and view all the answers

If an individual is Rh-, what can be inferred about their blood type?

<p>They have no Rh antigens present. (C)</p> Signup and view all the answers

What is the expected outcome when Rh+ blood is mixed with Rh- plasma that contains anti-Rh?

<p>Agglutination will occur. (B)</p> Signup and view all the answers

What determines that an individual is Rh+?

<p>Dominant gene RR or Rr. (B)</p> Signup and view all the answers

Why can O Rh- blood be given to someone with AB Rh+ blood?

<p>O Rh- blood lacks A and B antigens. (C)</p> Signup and view all the answers

What is the sequence of adding antisera during blood typing?

<p>A, B, D (B)</p> Signup and view all the answers

Which of the following statements about Rh blood typing is false?

<p>O Rh- individuals have A and B antigens. (D)</p> Signup and view all the answers

What is the purpose of mixing antisera with blood in the blood grouping process?

<p>To observe clumping indicating blood group antigens. (A)</p> Signup and view all the answers

What is the total time required to observe the result after adding antisera to the blood sample?

<p>2-3 minutes (A)</p> Signup and view all the answers

What happens when incompatible blood types are mixed during a transfusion?

<p>They may clump together. (D)</p> Signup and view all the answers

Why is it critical for a blood donor and recipient to have compatible blood groups?

<p>It avoids agglutination that can cause fatal reactions. (D)</p> Signup and view all the answers

Which blood types must share the same group for a safe transfusion?

<p>Both donor and recipient blood groups. (B)</p> Signup and view all the answers

What are the possible blood types in the ABO system?

<p>A, B, AB, O (C)</p> Signup and view all the answers

What could be a major consequence of clumping during a blood transfusion?

<p>Death of the recipient. (A)</p> Signup and view all the answers

What is a primary characteristic of the body shape in individuals with 1-dwarfism due to Growth Hormone deficiency?

<p>Short stature with well-proportioned body (B)</p> Signup and view all the answers

Which gland is primarily responsible for producing Growth Hormone?

<p>Pituitary gland (B)</p> Signup and view all the answers

How does Growth Hormone deficiency affect sexual development in individuals with 1-dwarfism?

<p>Has no impact on sexual development (A)</p> Signup and view all the answers

What aspect of mental development is associated with individuals suffering from Growth Hormone deficiency?

<p>Mental development is usually normal (D)</p> Signup and view all the answers

What specific time does Growth Hormone deficiency need to occur to manifest 1-dwarfism symptoms?

<p>Before puberty (C)</p> Signup and view all the answers

What is one of the primary symptoms associated with diabetes?

<p>Extreme thirst (B)</p> Signup and view all the answers

Which symptom is indicative of hyperthyroidism?

<p>Exophthalmos (A)</p> Signup and view all the answers

In hyperthyroidism, which of the following symptoms may also indicate an increased metabolic rate?

<p>Increased appetite (C)</p> Signup and view all the answers

Which of the following is NOT a symptom of diabetes?

<p>Tachycardia (A)</p> Signup and view all the answers

What blood pressure condition is commonly associated with hyperthyroidism?

<p>Elevated blood pressure (D)</p> Signup and view all the answers

What is the primary cause of symptoms in gigantism?

<p>Increased GH secretion before puberty (D)</p> Signup and view all the answers

Which part of the body is primarily affected by acromegaly?

<p>The terminal portions of the skeleton (A)</p> Signup and view all the answers

What is a common metabolic effect of acromegaly?

<p>Hyperglycemia (C)</p> Signup and view all the answers

Which of the following is a characteristic feature of gigantism compared to acromegaly?

<p>Results in normal body proportions but increased height (D)</p> Signup and view all the answers

At what stage of life does overgrowth in acromegaly typically begin?

<p>After puberty (A)</p> Signup and view all the answers

Which symptom is commonly associated with Addison's syndrome?

<p>Hypotension (C)</p> Signup and view all the answers

What is a primary characteristic of Cushing syndrome?

<p>Hyperglycemia (D)</p> Signup and view all the answers

Which symptom is NOT associated with Addison's syndrome?

<p>Thin skin (B)</p> Signup and view all the answers

What is one of the main symptoms of cretinism?

<p>Short stature and mental retardation (A)</p> Signup and view all the answers

Which symptom is indicative of Cushing syndrome?

<p>Fragile capillaries (D)</p> Signup and view all the answers

Which symptom is associated with myxedema?

<p>Hates winter due to sensitivity to cold (B)</p> Signup and view all the answers

What is a common treatment focus for patients diagnosed with Addison's syndrome?

<p>Hormone replacement therapy (A)</p> Signup and view all the answers

What distinguishes a person with cretinism from someone with myxedema?

<p>Primary manifestations occur in childhood for cretinism (D)</p> Signup and view all the answers

What physical feature is NOT typically associated with cretinism?

<p>Increased height (C)</p> Signup and view all the answers

What is a common emotion experienced by individuals with myxedema during cold weather?

<p>Discomfort (B)</p> Signup and view all the answers

Flashcards

Rh- blood transfusion

Rh- blood can be given to Rh+ patients, but Rh+ can not be given to Rh-.

Universal donor blood type

Blood type O Rh-

Universal receiver blood type

Blood type AB Rh+

Blood grouping Protocol - Step 1

Put 3 drops of blood on a glass slide.

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Blood grouping Protocol - Step 2

Add antisera A, B, and D sequentially, mixing with toothpicks.

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Universal Donor

Blood type O, containing no A or B antigens, can be given to any blood type.

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Universal Recipient

Blood type AB, containing both A and B antigens, can receive any blood type.

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Rh+ blood type

Blood containing the Rh antigen (D).

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Rh- blood type

Blood lacking the Rh antigen (D).

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Agglutination

Clumping of red blood cells due to incompatible blood types.

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What are blood groups?

Blood groups are categories based on the presence or absence of specific antigens on red blood cells.

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What are antigens?

Antigens are molecules found on the surface of red blood cells that trigger the immune response.

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What are antibodies?

Antibodies are proteins in plasma that bind to specific antigens, helping to protect the body.

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What are the ABO blood groups?

The ABO blood group system classifies people into four groups: A, B, AB, and O, based on the presence of A and B antigens on their red blood cells.

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Why is blood type important?

Understanding blood types is essential for safe blood transfusions, as incompatible blood types can cause dangerous reactions.

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Blood Transfusion

Transferring blood from one person to another.

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Blood Clumping

Red blood cells sticking together when incompatible blood mixes.

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Blood Group Compatibility

Donor and recipient must have the same blood type for safe transfusion.

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Why is blood clumping dangerous?

Clumped blood cells can block blood vessels, leading to serious complications and death.

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Endocrine System

A network of glands that produce and release hormones to regulate various bodily functions.

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Pituitary Gland

A small gland located in the brain that controls the activity of other endocrine glands, often called the "master gland".

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Growth Hormone Deficiency

A condition where the pituitary gland doesn't produce enough growth hormone, leading to stunted growth.

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1-Dwarfism

Another name for Growth Hormone Deficiency, characterized by short stature but with normal proportions and development.

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Hypothalamus

A brain region that controls the pituitary gland by sending signals.

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Gigantism

Excessive growth in height due to excess growth hormone before puberty.

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Acromegaly

Overgrowth of hands, feet, and skull due to excess growth hormone after puberty.

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What's the difference between gigantism and acromegaly?

Gigantism affects the whole skeleton during childhood, while acromegaly only affects extremities after puberty.

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What are the symptoms of gigantism?

Increased height, overgrowth of internal organs, and normal body proportions.

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What are the symptoms of acromegaly?

Enlargement of hands, feet, and skull, as well as potential for hyperglycemia.

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Hypothyroidism

A condition caused by decreased secretion of thyroid hormone, leading to various symptoms.

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Cretinism

Hypothyroidism present since birth or childhood, causing mental, physical, and sexual retardation.

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Myxedema

Hypothyroidism in adults, marked by mental and sexual function depression, cold sensitivity, and edema.

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Cretinism Symptoms

Mental & physical retardation, swollen eyelids, enlarged tongue, and abdominal swelling.

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Myxedema Symptoms

Mental & sexual function depression, sensitivity to cold, and increased body weight due to edema.

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Diabetes

A condition where the pancreas doesn't produce enough insulin, leading to high blood sugar levels.

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Foot ulceration in diabetes

A common complication for diabetics, caused by nerve damage that affects blood flow to the feet, leading to ulcers.

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Exophthalmos

Protruding eyeballs, a symptom of hyperthyroidism.

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Thyroid enlargement

An increased size of the thyroid gland, a common symptom of hyperthyroidism.

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Addison's Syndrome

A condition caused by hyposecretion of adrenocortical hormones, leading to symptoms like fatigue, weight loss, and skin pigmentation.

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Cushing Syndrome

An endocrine disorder characterized by excess cortisol production, resulting in symptoms like moon face, obesity, and thin skin.

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What are common symptoms of Addison's Syndrome?

Symptoms include fatigue, weight loss, skin pigmentation, low blood pressure, and increased urination.

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What are common symptoms of Cushing Syndrome?

Symptoms include moon face, buffalo hump, obesity, purple stretch marks, high blood sugar, fragile skin, muscle weakness, and poor wound healing.

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Why is understanding adrenal gland abnormalities important?

Recognizing the symptoms of Addison's and Cushing syndromes is crucial for early diagnosis and treatment, which can prevent serious health complications.

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