Which one is NOT the characteristic of hormones? ( )
A: Hormone is a chemical substance secreted from endocrine glands or
endocrine cells.
B: Hormones are released directly into arteries and circulate in the
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).
A: Hormone is a chemical substance secreted from endocrine glands or
endocrine cells.
B: Hormones are released directly into arteries and circulate in the
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).
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
- 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 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
- The endocrine system is made up of ———————————— A: the endocrine glands and the hormones they secrete. B: the endocrine glands
- Which of the following hormones is not secreted by the<br/>adenohypophysis?<br/>() A: growth hormone B: oxytocin C: LH D: FSH E: Prolactin