If fluid intake increases dramatically over a short time frame,
A. there is no effect on ADH secretion.
B. ADH (antidiuretic hormone) secretion increases.
C. ADH secretion stops.
D. ADH secretion decreases.
E. None of the choices are correct.
Answer: D
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A) all stimuli will produce identical action potentials. B) all stimuli great enough to bring the membrane to threshold will produce identical action potentials. C) the greater the magnitude of the stimuli, the greater the intensity of the action potential. D) only sensory stimuli can activate action potentials. E) only motor stimuli can activate action potentials.
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What will be an ideal response?
Arrange the following events in protein secretion in the proper sequence.
1. The polypeptide chain enters the lumen of the endoplasmic reticulum. 2. A secretory vesicle is formed. 3. A transport vesicle is formed. 4. The polypeptide chain enters the lumen of the Golgi complex. A) 3, 1, 4, 2 B) 1, 3, 4, 2 C) 1, 3, 2, 4 D) 1, 2, 3, 4 E) 4, 3, 1, 2
Central venous blood pressure:
a. can be almost zero in the inferior vena cava b. is usually 120 mm Hg during systole c. is usually 80 mm Hg during diastole d. both B and C above