Which of the following is NOT a difference between erythrocytes and leukocytes?
A. Leukocytes have no hemoglobin.
B. Leukocytes are smaller.
C. Leukocytes are translucent unless stained.
D. Leukocytes have a nucleus.
Answer: B
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Answer the following statements true (T) or false (F)
1. The gray rami communicantes consist of myelinated postganglionic fibers. 2. Splanchnic nerves are mixed motor and sensory nerves. 3. The autonomic nervous system may cause activation or inhibition, depending on the division that is active and the target that is affected. 4. The celiac ganglion is primarily associated with the sympathetic division. 5. The sympathetic chain is composed of collateral ganglia.
Which substance is not secreted into the tubule?
a. hydrogen ions b. potassium ions c. organic ions d. b and c are not secreted e. renin
What type of chemical bond forms when electrons are shared unequally between two atoms?
What will be an ideal response?
Which way would O2 and CO2 diffuse during internal respiration?
a) Both O2 and CO2 would diffuse into the systemic capillaries. b) O2 would diffuse into the systemic capillaries, and CO2 would diffuse into the cells. c) O2 would diffuse into the pulmonary capillaries and CO2 would diffuse into the alveoli. d) O2 would diffuse into the cells, and CO2 would diffuse into the systemic capillaries.