Answer the following statements true (T) or false (F)
1. Positive chemotaxis is a feedback system that signals leukocyte migration into damaged areas.
2. A condition of leukocytosis indicates over 11,000 white blood cells per cubic millimeter in the blood.
3. Basophils increase in number when parasitic invasion occurs.
4. Leukopenia is an abnormally low number of leukocytes.
5. A person with type B blood could receive blood from a person with either type B or type O blood.
1. TRUE
2. TRUE
3. FALSE
4. TRUE
5. TRUE
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From deep to superficial, the order of the strata of the epidermis is
A. Basale - spinosum - granulosum - lucidum - corneum B. Spinosum - granulosum - basale - lucidum - corneum C. Corneum - lucidum - granulosum - spinosum - basale D. Basale - granulosum - spinosum - lucidum - corneum E. Corneum - granulosum - lucidum - spinosum - basale
A major limitation of radiographs is that they
A. are old technology that do not give good results. B. can only visualize bone. C. give only a flat, two-dimensional image of the body. D. have very few applications.
A polysaccharide that is formed in muscle cells to store glucose is
A) lactose. B) cellulose. C) glycogen. D) sucrose. E) fructose.
Deoxygenated blood is carried to the placenta by the
A) umbilical vein. B) umbilical arteries.