Which statement does not apply to macrophages?
a. They participate in inflammation.
b. They process and present antigens to lymphocytes.
c. They secrete antibodies.
d. They secrete interleukin 1.
e. They participate in immune surveillance against cancer.
C
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The ________ is the prediction of the outcome of a disease
A) Diagnosis B) Acute determination C) Syndrome D) Prognosis
Cytotoxic T cells attack foreign cells or body cells infected by viruses by direct contact, and are said to confer ________ on the body tissues they defend.
What will be an ideal response?
Which is TRUE about gastric motility?
A. The basic electrical rhythm of the gastric smooth muscle (three depolarizations per minute) is the same regardless of whether or not food is present. B. When a wave of excitation reaches the pyloric sphincter, action potentials become inhibitory and the sphincter opens wide to allow chyme to exit. C. The force of contraction is decreased by gastrin and increased by enterogastrones. D. The term "slow waves" refer to gastric contractions, while "pacemaker" refers to gastric action potentials. E. Gastric contractions are strongest in the fundus of the stomach.
Thyroid hormone interacts with its target tissue by
A. using the intracellular mediator system. B. binding to a membrane bound receptor. C. increasing iodine uptake in the target cells. D. releasing thyroglobulin. E. binding to receptor molecules in the nucleus.