What is the infant's only source of nutrition during the first 2-3 days postpartum?
Lactose
Casein
Colostrum
Meconium
The Correct Answer is C
A. Lactose is a sugar in breast milk and is not the only source of nutrition during the first 2-3 days postpartum.
B. Casein is a protein found in breast milk but not the sole source of nutrition for the infant.
C. Colostrum is the nutrient-rich first milk produced by the mother in the first 2-3 days postpartum and provides essential nutrients and antibodies to the newborn.
D. Meconium is the infant's first stool and not a source of nutrition.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The liver is indeed the largest gland in the human body, weighing about 1.5 kilograms in an average adult. It performs numerous vital functions, including detoxification, protein synthesis, and the production of biochemicals necessary for digestion (e.g., bile).
Correct Answer is A
Explanation
A. The bicarbonate, phosphate, and protein: The major chemical buffer systems in the body are the bicarbonate buffer system, the phosphate buffer system, and the protein buffer system. These buffers help maintain pH balance in the blood and other fluids.
B. The urinary and digestive: The urinary and digestive systems are involved in excretion and digestion, not buffering.
C. The bicarbonate, nucleic acids, and protein: Nucleic acids are not major buffering systems in the body; the bicarbonate, phosphate, and protein systems are the primary ones.
D. The urinary and respiratory systems play roles in regulating acid-base balance through excretion and gas exchange but are not chemical buffer systems themselves.
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