Excessive aldosterone secretion would induce ________.
A. no change in plasma ion balance
B. decreased plasma chloride
C. decreased plasma potassium
D. decreased plasma sodium
Answer: C
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Following are events that occur during the cardiac cycle. 1. Ventricular pressure increases and exceeds pressure in the arteries. 2. Ventricles fill passively. 3. Atrial relaxation begins. 4. Atrial contraction forces a small amount of additional blood into relaxed ventricles. 5. Pressure in ventricles drops and blood flows back against cusps of semilunar valves, forcing them closed. 6. Ventricular contraction pushes AV valves closed. Choose the correct order of events in the cardiac cycle.
A) 4, 6, 3, 1, 2, 5 B) 2, 6, 1, 4, 3, 5 C) 3, 6, 1, 5, 4, 2 D) 2, 5, 1, 6, 3, 4 E) 4, 3, 6, 1, 5, 2
Which statement regarding the elderly and age as predisposing factor to disease is false?
A. General body function is reduced as people age. B. Aging changes normal body function. C. As people live longer they become more susceptible to disease. D. All organs have the ability to regenerate so they work better as one gets older.
Answer the following statements true (T) or false (F)
1. Minerals are inorganic elements or salts found naturally in the earth. 2. Both vitamins and minerals are necessary for the proper functioning of enzymes. 3. Someone who has just eaten a big meal is not under basal conditions. 4. Someone who is awake but inactive is not under basal conditions. 5. Your TMR is usually above your BMR.
Aerobic cellular respiration and dehydration synthesis reactions result in
A. preformed water output. B. insensible water output. C. preformed water intake. D. obligatory water output. E. metabolic water intake.