A deficiency of which of the following intermediate cells would result in a marked increase in the clotting time of blood?
A. Lymphoblast
B. Megakaryoblast
C. Monoblast
D. Proerythroblast
E. Myeloblast
Answer: B
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Specialized animal cells that have contractile properties are called __________, or muscle cells
Fill in the blank with the correct word.
Medicines that overstimulate respiratory centers in the brain lead to
A. respiratory acidosis. B. respiratory alkalosis. C. metabolic acidosis. D. metabolic alkalosis.
Air enters the respiratory passageways when the pressure inside the lungs is lower than the:
blood pressure atmospheric pressure abdominal pressure arterial pressure all of the choices are correct
Which of the following is an example of simple squamous epithelial tissue?
a) lining/gastrointestinal tract b) lining/blood vessels c) epidermis/skin d) kidney tubules