Which of the following is not accomplished by antibodies?
a. neutralization of bacterial toxins
b. direct destruction of foreign cells
c. activation of the complement system
d. enhancement of phagocytosis
e. stimulation of killer (K) cells
B
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Sympathetic activation leads to
A) relaxation in skeletal muscle of bronchioles, causing bronchodilation. B) contraction of smooth muscles of bronchioles, causing bronchoconstriction. C) relaxation in smooth muscles of bronchioles, causing bronchodilation. D) relaxation of smooth muscles of bronchioles, resulting in bronchoconstriction. E) contraction of smooth muscles of bronchioles, causing bronchodilation.
Glycogen accounts for 80-85% of stored energy in the body
Indicate whether the statement is true or false
The sacrum is a single bone consisting of the fused components of ________ sacral vertebrae
A) 1-3; it can vary B) 2 C) 3 D) 5 E) 4-6; it can vary
The cervical region of the spinal cord lacks associated autonomic nuclei. How will a cross section of the spinal cord in this region differ from a cross section of the thoracic region?
A. There should be no difference in the appearance from one region compared to other regions. B. Posterior gray horns are lacking in the cervical region. C. Lateral gray horns are not present in the cervical region. D. Ventral gray horns are smaller in the cervical region due to fewer motor nuclei.