Which level of organization consists of two or more cell types working for a common function?
A) Atom
B) Cellular
C) Organ
D) Tissue
Answer: D
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Describe what is happening during the phase of the cardiac action potential labeled 2 in the diagram
What will be an ideal response
The ________ is the main switch station for memory; if the right and left areas are destroyed, the result is widespread amnesia
A) hypothalamus B) Wernicke's area C) thalamus D) hippocampus
Active tension in a muscle is defined as
A) the tension applied to load when the muscle is stretched but not stimulated. B) the tension applied to a load when myofilaments within sarcomeres minimally overlap. C) the tension applied to a load when the muscle contracts. D) muscle contraction produced wholly from complete tetanus.
A female has a blood test. One mL of her blood is drawn, sspun in a centrifuge, and the plasma volume is measured and found to be 0.6 mL
Two months later the same patient returns to the doctor and, after doing another blood test, the doctor tells the patient that she has become anemic compared to her previous visit. Which of the following is most likely to be the woman's hematocrit on the second visit? A. 35% B. 50% C. 70% D. 100% E. 0.6 mL