Which of the following changes would most increase the resistance to blood flow in a blood vessel?
A. halving the diameter of the vessel
B. doubling the diameter of the vessel
C. halving the length of the vessel
D. doubling the length of the vessel
E. decreasing the hematocrit from 50% to 40%
A
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What is found within the lacunae of bone?
A. Monocytes B. Osteoblasts C. Osteocytes D. Osteoclasts E. Chondrocytes
The cell that dominates the deep cortical region of a lymph node is the ________ cell
A) B B) T C) plasma D) nodule E) NK
Peroxisomes
A) are responsible for the atrophy of unused muscles. B) are a type of lysosome. C) use an enzyme to destroy H2O2 that is toxic to the cell. D) are sites for synthesis of fatty acids, steroids, and phospholipids. E) All of the answers accurately describe peroxisomes.
Cardiac muscle cells ________
A) None of the listed responses is correct. B) lack striations C) have more than one nuclei per cell D) interconnect at intercalated discs