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Biology 12 Chapter 18 Chemical Coordination -36
1.
Which of the following is produced by placenta?
a) Secretin
b) Progesterone
c) Cholecystokinin
d) Gastrin
2.
Where is progesterone produced?
a) Duodenal wall
b) Brain
c) Stomach walls
d) Placenta
3.
Which of the following hormone maintains pregnancy?
a) Secretin
b) Progesterone
c) Gastrin
d) Cholecystokinin
4.
What is the group of hormone-like compounds called?
a) Endorphins
b) Lipids
c) Prostaglandins
d) Steroids
5.
Which of the following provide protection against infections?
a) Endorphins
b) Steroids
c) Lipids
d) Prostaglandins
6.
What is the function of prostaglandins?
a) To promote formation of muscles
b) To maintain pregnancy
c) To protect against infections
d) To block sensation of pain
7.
What is the function of progesterone?
a) To block sensation of pain
b) To protect against infections
c) To maintain pregnancy
d) To promote formation of muscles
8.
Where are endorphins produced?
a) Placenta
b) Stomach walls
c) Brain
d) Duodenal wall
9.
Which of the following hormone is produced by the brain?
a) Endorphins
b) Somatotrophin
c) Cholecystokinin
d) Gastrin
10.
Which of the following hormone binds to pain receptors?
a) Endorphins
b) Somatotrophin
c) Gastrin
d) Cholecystokinin
11.
Which of the following hormone blocks sensation of pain?
a) Somatotrophin
b) Gastrin
c) Endorphins
d) Cholecystokinin
12.
What is the function of endorphins?
a) To block sensation of pain
b) To promote formation of muscles
c) To maintain pregnancy
d) To protect against infections
13.
What is the function of endorphins?
a) To promote formation of muscles
b) To maintain pregnancy
c) To protect against infections
d) To bind to pain receptors
14.
Which gland is associated with hypothalamus?
a) Parathyroid gland
b) Thyroid gland
c) Pineal gland
d) All of these
15.
To which of the following, pineal gland is associated?
a) Hypothalamus
b) Parathyroid gland
c) Adrenal gland
d) Thyroid gland
16.
What is the primary hormone secreted by pineal gland?
a) Melatonin
b) Gastrin
c) Cholecystokinin
d) Somatotrophin
17.
Which of the following gland secretes melatonin?
a) Thyroid gland
b) Parathyroid gland
c) Pineal gland
d) Hypothalamus
18.
During which age, thymus is most active?
a) Old age
b) Teen age
c) Adult
d) Childhood
19.
What is the hormone called that is produced by thymus?
a) Gastrin
b) Cholecystokinin
c) Thymosin
d) Somatotrophin
20.
Which feedback mechanism is rarely in healthy individuals?
a) Negative- feedback
b) Neutral- feedback
c) Positive- feedback
d) Implication- feedback
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