science practice questions TEAS ATI exam version 7 With solutions

In which of the following areas does protein breakdown begin in the human body? A. Mouth B. Stomach C. Small intestine D. Large intestine Correct Answer - B. The stomach The stomach is the first place in the digestive system in which proteinases are produced. Which of the following cell types is responsible for the production of soluble antibodies? A. Cytotoxic T cell B. Macrophage cell C. Helper T cell D. B cell Correct Answer - D. B cell The production of antibodies by B cells is part of the humoral response to antigens. Which of the following organ systems is responsible for transporting nutrients, water, and other substances throughout the human body? A. Respiratory B. Immune C. Nervous D. Circulatory Correct Answer - D. Circulatory The heart pumping blood through the arteries, capillaries, and veins provides the means of transporting substances throughout the body.