Which of the following lipids are produced in response to cellular injury or disease?
A) cholesterol
B) glycolipids
C) phospholipids
D) sex steroids
E) leukotrienes
Answer: E
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In a patient taking a hypothetical immunosuppressive drug, all adaptive responses are inhibited. All innate immune responses are still functional, although some are reduced in strength. While taking this drug, which of the following events will still occur in response to infection?
A. Production of antibodies that bind to antigens B. Antigen interaction with lymphocytes C. Activation of lymphocytes D. Vasodilation of local blood vessels E. B-cell differentiation into plasma cells
Answer the following statements true (T) or false (F)
1. In the second messenger system, the hormone is assumed to be the first messenger. 2. One difference between prostaglandins and hormones is that prostaglandins circulate throughout the body whereas hormones go only to target cells. 3. If prostaglandins influence the production of cAMP, they could impact the function of steroid hormones. 4. An increase in ADH would increase the amount of urine the body produces. 5. Hypersecretion of ADH results in diabetes insipidus.
Why are physiology and anatomy frequently studied together?
What will be an ideal response?
Denaturation is
A. a change in the three-dimensional structure of a protein. B. a negatively charged ion. C. a substance that conducts electricity when placed in solution. D. a positively charged ion. E. a combination of atoms held together by chemical bonds.