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Which type of immunity is transferred from a mother to her baby through breast milk?

A.

Active immunity

B.

Innate immunity

C.

Adaptive immunity

D.

Passive immunity

Answer and Explanation

The Correct Answer is D

Explanation: Passive immunity. Passive immunity is acquired when preformed antibodies are transferred from one individual to another. In this case, the mother's antibodies are transferred to her baby through breast milk, providing temporary protection against certain infections.

Incorrect choices:

a. Active immunity is acquired when the immune system is exposed to a pathogen or vaccination, leading to the production of memory cells and long-term protection.

b. Innate immunity is the body's first line of defense against infections and is not transferred from the mother to the baby but rather present from birth.

c. Adaptive immunity is another term for acquired immunity and involves the production of memory cells after exposure to a specific pathogen or vaccination. It is not transferred through breast milk.


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Related Questions

Correct Answer is C

Explanation

Explanation: The human papillomavirus (HPV) vaccine is recommended for adolescents to protect against certain types of HPV infections, which can lead to cervical, vaginal, vulvar, penile, anal, and throat cancers.

Incorrect choices:

a. The hepatitis B vaccine is typically given in infancy and does not protect against certain types of cancer.

b. The influenza vaccine is recommended annually for people of all ages to prevent the flu, not certain types of cancer.

d. The meningococcal vaccine protects against meningococcal infections, not certain types of cancer.

Conclusion xx

Correct Answer is C

Explanation

Explanation: Hormones are chemical messengers produced by the endocrine system to regulate various physiological processes in the body. While the endocrine system and immune system can influence each other's activities, hormones are not considered a direct component of the immune system.

Incorrect choices:

a. Lymphocytes are a type of white blood cell and a critical component of the immune system. They include B cells, T cells, and natural killer cells, which play essential roles in immune responses.

b. Antigens are molecules or substances that can trigger an immune response in the body. They are recognized by the immune system as foreign or non-self and can elicit the production of antibodies.

d. Antibodies are proteins produced by B cells in response to the presence of antigens. They play a vital role in recognizing and neutralizing foreign substances in the body.

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