Removal of the posterior pituitary will immediately cause
A. an increase in urine volume.
B. no change in urine volume.
C. a decrease in urine volume.
Answer: A
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Which of the following statements correctly compares water-soluble hormones with lipid-soluble hormones?
a) Both types of hormone are carried in the blood attached to a carrier protein. b) Both types of hormone almost always stimulate increases in mRNA transcription. c) Only water-soluble hormones use second messengers. d) Only water-soluble hormones require a receptor. e) Lipid-soluble hormones are not found in the bloodstream.
Which of the following chromosomal abnormalities most severely affect a fetus?
A) Trisomy 21 B) Monosomy for a large autosome C) XXY D) XXX
Explain what thrombolysis accomplishes
What will be an ideal response?
Increased pressure in the aortic arch will activate the aortic arch reflex and cause
A. increased parasympathetic stimulation of the heart. B. vasoconstriction of peripheral vessels increasing the blood pressure. C. increased ADH secretion. D. a decrease in the frequency of action potentials from the aortic baroreceptors. E. increased sympathetic stimulation of the heart.