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Terms in this set (18)
The kidneys contain approximately 2 million functional units, which are called nephrons. Which of the following anatomical structures absorbs 15% of the filtered NaCl but is not water permeable?
Ascending part of the loop of Henle
Dopamine is synthesized in the
Neurons of the infundibulum (tuberoinfundibular neurons)
The kidneys contain approximately 2 million functional units, which are called nephrons. Which of the following anatomical structures performs the function of the aldosterone-influenced re-absorption of sodium and secretion of potassium?
Collecting tubules and ducts
Feedback systems are usually termed negative. However, there are a few positive feedback systems within the reproductive axis. Which hormone exerts a positive feedback on LH with respect to the female estrous cycle?
Estradiol (an estrogen)
The production of growth hormone can be stimulated by
Which of the following cell structures is responsible for digestion?
Median eminence is a specialized region of the hypothalamus. This region gives rise to another important structure of the hypothalamus. What is that specialized structure?
The kidneys contain approximately 2 million functional units, which are called nephrons. Which of the following anatomical structures performs the function of the ADH controlled osmotic re-absorption of water?
Collecting tubules and ducts
During contraction of skeletal muscle, calcium binds to which structure
Which of the following slightly inhibits gastric secretion, stimulates pancreatic secretions high in digestive enzymes, causes contraction of the gallbladder, and causes relaxation of the hepatopancreatic ampullar sphincter?
Secretin and cholecystokinin are produced and secreted by cells in the lining of the alimentary tract. Which of the following statements about these 2 secretions is true?
They are hormones whose target cells are primarily in the pancreas and biliary tract
Which of the following inhibits aldosterone synthesis in the adrenal cortex?
Atrial natriuretic peptide (ANP)
Which of the following statements concerning water reabsorption is correct?
The ascending limb of the loop of Henle is always impermeable to water
The axis that controls the stress response is called
Which of the following hormones' secretion is stimulated by acidity of chyme?
Secretion of foreign substances, such as drugs, generally occurs in the
The kidneys contain approximately 2 million functional units, which are called nephrons. Which of the following anatomical structures performs the function of the control of blood pressure via Renin Angiotensin system?
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