Which of the following should NOT be found in the filtrate in the Bowman's capsule?
A) glucose
B) potassium
C) white blood cells
D) sodium
Ans: C) white blood cells
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________ contain nearly 60% of the total blood volume and are considered as storage areas for blood.
A. Arteries B. Capillaries C. Veins D. Arteries and veins
Match the cell type with its description.
1. These are the most abundant leukocyte; they are formed in the bone marrow. 2. Cytotoxic, these cells are associated with allergic reactions and parasitic infestations. Usually these cells are less than 3% of the leukocyte population, and only live up to 12 hours. 3. Precursors of macrophages, these cells are relatively rare in blood because they are actually in transit to some other site. 4. These cells are related to mast cells, and both release chemical mediators such as histamine and heparin, which aid in the immune response. 5. Estimated to reach populations of one trillion in normal adults, most of these cells reside in the lymphoid tissues of the body. These cells look quite similar to one another under the microscope, yet function very differently. A. lymphocytes B. neutrophils C. monocytes D. eosinophils E. basophils
What reflex causes muscle relaxation?
A) stretch reflex B) crossed-extension reflex C) Golgi tendon reflex D) flexion (withdrawal) reflex
Which region includes B cells, follicular dendritic cells and macrophages?
a) B b) C c) D d) E e) F