Elderly individuals generally have a _______ percentage of body fluid and are therefore _______ prone to fluid imbalances
A.
high; more
B.
high; less
C.
low; less
D.
low; more
D
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When the fulcrum is located between the load and the force, it is called a ________ lever
A) first-class B) second-class C) third-class D) fourth-class E) compound
Answer the following statements true (T) or false (F)
1. Damage to a receptor on the cell membrane would make it more difficult for a cell to respond to a steroid hormone. 2. The “lock and key” model applies only to the functioning of nonsteroid hormones. 3. Researchers believe that prostaglandins influence the production of ATP in the cell. 4. The neurohypophysis produces about twice as many hormones as the adenohypophysis. 5. The hypothalamus produces substances that function as tropic hormones.
Active sites on the actin become available for binding after
A) Actin binds to troponin. B) Troponin binds to tropomyosin. C) Calcium binds to troponin. D) Calcium binds to tropomyosin. E) Myosin binds to troponin.
Which of the following is correctly matched?
A. Sclera - ciliary body B. Aqueous humor - vitreous chamber C. Vitreous humor - anterior chamber D. Retina - canal of Schlemm E. Iris - sphincter pupillae