**Question:** Breast milk is known to transmit -

A. Pathogens
B. Nutrients and growth factors
C. Hormones and cytokines
D. Immunoglobulins and antibodies

**Core Concept:** Breast milk is a complex mixture of substances that provide essential nutrients, growth factors, and protect the infant from infections. It contains various bioactive components that contribute to the overall health and development of the newborn.

**Why the Correct Answer is Right:** D. Immunoglobulins and antibodies are proteins found in breast milk that play a crucial role in the infant's immune system development and protection against infections. These substances help the newborn's immune system recognize and neutralize harmful pathogens, reducing the risk of infections and diseases.

**Why Each Wrong Option is Incorrect:**

A. Pathogens are microorganisms such as bacteria, viruses, and fungi that can cause infections. Pathogens are not the main purpose of breast milk and are not transmitted via breastfeeding.

B. Nutrients and growth factors are essential components of breast milk that support the infant's growth and development, but they are not the primary purpose of breastfeeding.

C. Hormones and cytokines are involved in regulating various physiological processes in the body, but they are not the primary purpose of breast milk. The primary purpose of breast milk is to provide essential nutrients, protect the infant, and support their immune system development.

**Clinical Pearl:**

Breastfeeding not only provides nutrients and antibodies to protect the infant but also has numerous additional benefits, including reduced risk of asthma, obesity, and allergies in the child. This highlights the importance of promoting and supporting breastfeeding as a key component of a healthy lifestyle for both mother and child.

**Correct Answer:** D. Immunoglobulins and antibodies in breast milk help protect the infant from infections and diseases by strengthening their immune system. This is a key aspect of breastfeeding and highlights the importance of practicing and promoting breastfeeding for optimal health outcomes for newborns.