An inflammatory response is triggered when
A) red blood cells release pyrogens.
B) T cells release interferon.
C) mast cells release histamine and heparin.
D) neutrophils phagocytize bacteria.
E) blood flow to an area increases.
C
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What term is used to describe the steady-state value for any variable that the body attempts to maintain?
A. Median value B. Equilibrium potential C. Set point D. Reflex arc E. Error signal
Which of the following parts of a reflex arc monitors body conditions?
a) Sensory receptor b) Integrating center c) Motor neuron d) Effector e) Interneuron
Answer the following statements true (T) or false (F)
1. A bundle of axons within the CNS that shares a common origin, destination, and function is called a tract. 2. A connection between the brain and other organs in the body is called a pathway. 3. A bundle of axons in the PNS is called a nerve. 4. A group of cell bodies within the PNS is called a nucleus. 5. A group of axons in a specific region of the spinal cord is called a column.
Which respiratory-associated muscles would contract if you were to blow up a balloon?
A) External intercostals would contract, and the diaphragm would relax. B) Diaphragm would contract; external intercostals would relax. C) Internal intercostals and abdominal muscles would contract. D) None of the listed responses is correct.