Which of the following narrative about hormones is wrong? ____
A: Hormones are highly bioactive substances secreted by various glands in the body
B: Most hormones are transported to target cells long distance away through blood circulation
C: Some hormones can diffuse to adjacent cells through tissue fluid
D: Hormones secreted by nerve cells can reach the adenohypophysis through the pituitary portal vein
A: Hormones are highly bioactive substances secreted by various glands in the body
B: Most hormones are transported to target cells long distance away through blood circulation
C: Some hormones can diffuse to adjacent cells through tissue fluid
D: Hormones secreted by nerve cells can reach the adenohypophysis through the pituitary portal vein
举一反三
- Which of the following is not an accurate statement? A: Hormones are chemical messengers that travel to target cells through the circulatory system B: Hormones often regulate homeostasis through antagonistic functions C: Hormones of the same chemical class usually have the same function D: Hormones are often regulated through feedback loops
- Which one is NOT the characteristic of hormones? ( ) A: Hormone is a chemical substance secreted from endocrine glands or<br/>endocrine cells. B: Hormones are released directly into arteries and circulate in the<br/>blood throughout the body. C: Each hormone exerts specific effects on certain organs or tissues. D: Some hormones have many target organs. E: Some hormones have only one or a few target(s).
- The eicosanoid hormones are ___________ hormones, secreted into the interstitial fluid (not primarily into the blood) and acting on nearby cells. A: endocrine B: autocrine C: paracrine D: neuroendocrine
- Which of the following hormones is secreted by the adenohypophysis A: Prolactin B: Antidiuretic hormone C: Oxytocin D: Cholecystokinin
- Which of the following description about islet hormones is correct? A: Pancreatic alpha cells produce glucagon B: Pancreatic beta cells produce insulin with low glucose C: Somatostatin produced by pancreatic delta cells enhances insulin secretion D: Somatostatin produced by pancreatic delta cells enhances glucagon secretion E: Insulin can pass through the plasma membrane