Identify two hormones that are involved in regulating blood pressure and briefly describe the role of
each. What will be an ideal response?
1. Angiotension II is a vasoconstrictor that results in an increase in blood pressure.
2. Angiotension II also increases the synthesis of the hormone aldosterone which in turn increases
retention of sodium ions by the kidneys and consequently increases blood pressure via increased blood
volume.
3. Antidiuretic hormone increases blood pressure by increasing the reabsorption of water in the
kidneys and consequently blood volume.
4. Atrial natriuretic peptide increases the excretion of sodium ions, which reduces blood volume and
consequently lowers blood pressure.
5. Nitric oxide causes vasodilation and consequently lowers blood pressure.
You might also like to view...
What type of ecosystem process is a volcanic eruption?
a) geological b) chemical c) biological d) human
Chromosomes are attached to the nuclear envelope by
a. centromeres. b. telomeres. c. origins of replication. d. nuclear lamin genes. e. Both a and b
The relationship between a plant and mycorrhizal fungi is best described as
A) parasitic. B) competitive. C) mutualistic. D) commensal.
When referring to attenuation in regulation of the trp operon, it would be safe to say that when there are high levels of tryptophan available to the organism, ________
A) transcriptional termination is likely B) ribosomes are stalling during translation of the attenuator region C) translational termination is likely D) the trp operon is being transcribed at relatively high levels E) tryptophan is inactivating the repressor protein