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
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
举一反三
- 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
- 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).
- 2. According to the passage, which of the following about hormones is correct?
- 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
- Hormones play important roles in maintaining homeostasis – fluid and electrolyte, aid-base and energy balances.