Which of the following is an example of labile cells?
A. Skeletal muscle fibers increase in size by adding more cytoplasmic components.
B. Both "hemocytoblasts are cells that divide and give rise to multiple types of blood cells" and "liver cells have the ability to divide and give rise to other liver cells" are correct.
C. Hemocytoblasts are cells that divide and give rise to multiple types of blood cells.
D. Liver cells have the ability to divide and give rise to other liver cells.
Answer: C
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What is the effect of excess fat tissue on flexibility?
A. Excess fat enhances elastic and plastic elongation. B. Excess fat increases body temperature and enhances range of motion. C. Excess fat eventually leads to subluxation. D. Excess fat increases resistance to movement and hampers joint mobility. E. Excess fat cools body temperature and lowers resistance to movement.
List the six major functions of proteins
What will be an ideal response?
How would a drug that competes with acetylcholine for receptors at the motor end plate affect skeletal muscle?
A) It would make the muscles more excitable. B) It would produce uncontrolled muscle spasms. C) It would cause spastic paralysis (muscles are contracted and unable to relax). D) It would cause flaccid paralysis (muscles are relaxed and unable to contract). E) It would have no effect on skeletal muscles.
When blood pH begins to rise, the respiratory control centers in the brain are ________
A) accelerated B) depressed C) not effected D) shut off E) controlled by the kidneys