How does comparative anatomy contribute to the study of human gross anatomy?
What will be an ideal response?
Observed similarities of anatomical structure among different species of animals demonstrate evolutionary
relationships and the similarity of developmental processes. Comparison of the same systems among different
animals also shows how these systems are adapted to serve different anatomical and physiological functions.
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The expected response to the triceps-jerk reflex is
A) plantar flexion. B) plantar extension. C) extension of the forearm. D) flexion of the forearm.
An incompetent pulmonary semilunar valve could result in less blood reaching the
A. lungs. B. heart muscle. C. right ventricle. D. aorta. E. right atrium.
Helper T cells bind to antigen complexes with class II MHC proteins, while cytotoxic T cells bind to antigen complexes with class I MHC proteins.
Answer the following statement true (T) or false (F)
Antibiotics are often used to treat acne by reducing the number of bacteria on the skin. Knowing there are both 'good' and 'bad' forms of Propionibacterium acnes, which of the following statements about using antibiotics is true?
A. Some "bad" bacteria are reduced. B. Some new bacterial infections can be prevented. C. Only old infections can be controlled. D. Some "good" bacteria are reduced. E. Some new bacterial infections can begin. F. Some "good" bacteria can become resistant and therefore lead to more infections. G. Only "bad" bacteria are reduced. H. Some "bad" bacteria can become resistant and therefore lead to more infections.