A child is born with a congenital disease that results in total loss of B cells. Which of the following would be a consequence of this immunodeficiency?
A. Inability to form any type of memory cell
B. No antigens on the cells
C. Lack of antibody formation
D. No lymphokine production
E. Nonfunctioning complement system
Answer: C
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The infancy stage of life is considered to be over when the baby reaches ________ of age
A) 1 year B) 2 years C) 6 months D) 1 month E) 18 months
Active transport, facilitated diffusion, and osmosis all directly require the expenditure of metabolic energy
Indicate whether the statement is true or false.
Which of the following hormones stimulate the development of female secondary sex characteristics such as adipose deposition in the breast?
What will be an ideal response?
The duodenum, the jejunum, and the ileum are parts of which part organ?
A- liver B- small intestine C- large intestine D- stomach