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Biology 12 Chapter 18 Chemical Coordination - 22
1.
How many parathyroid glands are located on the thyroid gland?
a) Five
b) Two
c) One
d) Four
2.
Where are parathyroid glands located?
a) On pituitary gland
b) On pancreas
c) On gonads
d) On thyroid gland
3.
Where are parathyroid glands located?
a) All four on thyroid gland
b) All on pancreas
c) One on thyroid gland and three on pancreas
d) Three on thyroid gland and one on pancreas
4.
What are the small, light coloured lumps called that stick out from the posterior surface of the thyroid gland?
a) Pituitary gland
b) Parathyroid glands
c) Gonads
d) Pancreas
5.
Which glands are located on thyroid gland?
a) Pancreas
b) Pituitary gland
c) Parathyroid glands
d) Gonads
6.
What is the hormone of parathyroid gland called?
a) Calcitonin
b) Parathormone
c) Insulin
d) Glucagon
7.
Which hormone of parathyroid gland controls the calcium balance of the blood?
a) Parathormone
b) Calcitonin
c) Glucagon
d) Insulin
8.
Which gland releases “Parathormone”?
a) Parathyroid gland
b) Gonads
c) Pituitary gland
d) Pancreas
9.
Which of the following hormone’s release is triggered by low blood Ca@2+#?
a) Pyridine
b) Calcitonin
c) Thyroxin
d) Parathormone
10.
Which of the following hormone is inhibited by high blood Ca@2+# levels?
a) Thyroxin
b) Calcitonin
c) Pyridine
d) Parathormone
11.
Which of the following hormone works antagonistically to to the Parathormone?
a) Thyroxin
b) Glucagon
c) Calcitonin
d) Insulin
12.
Over secretion of which hormone causes parathyroid gland tumour?
a) Parathormone
b) Thyroxin
c) Calcitonin
d) Pyridine
13.
What is the result of over secretion of parathormone?
a) Renin
b) Parathyroid gland tumour
c) Grave’s disease
d) Hyperthyroidism
14.
What is released from the bones?
a) Iodine
b) Calcium
c) Pyridine
d) Insulin
15.
From where, calcium is released in human body?
a) Bones
b) Capillaries
c) Nasal cavity
d) Blood veins
16.
What is the result of hypocalcaemia?
a) Both b and c
b) Decreases the excitability of neurons
c) Weakness of muscles
d) Depresses nervous system
17.
What is the result of excess calcium salts precipitate in the kidneys?
a) Grave’s disease
b) Hyperthyroidism
c) Stone formation
d) Addison’s disease
18.
What does the under secretion of parathormone causes?
a) Hypocalcemia
b) Addison’s disease
c) Hyperthyroidism
d) Parathyroid gland tumour
19.
What is the result of hypocalcaemia?
a) Increase the excitability of neurons
b) Weakness of muscles
c) Both b and d
d) Tetany
20.
Under secretion of which hormone causes hypocalcaemia?
a) Pyridine
b) Parathormone
c) Calcitonin
d) Thyroxin
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