Endocrine system is one of the most important systems in our whole body. The system is responsible for a host of different function without which we cannot survive.
If you have read about the system and you think you know about it pretty well, here is a chance for you to put your knowledge to test.
This endocrine system quiz is simple if you know about it but if you are not familiar with the system, passing the quiz can be a Herculean task. Ready to take up the challenge? Let’s begin…
This is a timed quiz. You will be given 300 seconds to answer all questions. Are you ready?
Which hormone is released after eating food?
Blood sugar levels increase after eating a meal. Insulin is released by the beta cells of pancreas to balance the blood sugar levels.
Which hormone increases the water retention of the kidneys?
Anti-diuretic hormone makes kidneys’ collecting tubes more permeable to water and hence increases the water retention of the kidneys.
Which gland regulates the calcium levels in our blood?
The major function of parathyroid gland is to regulate the calcium levels in our body. When the calcium levels in blood drop, the parathyroid gland secretes parathyroid hormone which stimulates the release of calcium from bones into the blood. When the calcium levels in blood are high, there is no secretion of parathyroid hormone.
The specificity of a hormone of a particular organ depends on which of the following factor?
Specificity of a hormone of an organ depends on the ability of hormone to interact with the molecules of the receptor.
Which hormone is released when we don’t eat anything?
When you don’t eat anything, the blood sugar levels drop and glucagon is released so that glycogen is converted into glucose that could be used by the body.
Which hormone increases the basal metabolic rate of our body?
Thyroid Hormone is responsible for the increase in basal metabolic rate of our body.
Which one of the following glands is both an endocrine and an exocrine gland?
Pancreas is both an endocrine and exocrine gland. As an exocrine gland, it produces pancreatic juice and as an endocrine gland, it releases hormones like glucagon, insulin etc.
Which one of the following organs doesn’t perform endocrine functions?
Lungs doesn’t produce any hormones at all whereas liver, kidneys and heart release hormones and play a small role in the entire endocrine system.
Hormones secreted by hypothalamus are classified under which category?
The hormones of hypothalamus are classified as paracrine because the hormones are diffused short distance to other organs. The hormones which travel long distance to other organs are classified as endocrine hormones.
Hormone’s concentration in the blood is regulated by which of the following factor?
Positive or negative feedback loops play a key role for the glands to understand when to release and when not to release the hormones into the bloodstream.
Which hormone is famous for its fight, freight or flight response?
Adrenal glands release hormones like adrenaline, noradrenaline etc. in response to stress. It is at this time, humans either face the challenge and fight or flee away from challenge (flight) or sometimes humans are too shocked or scared to even move and they remain in freight.
Which gland is affected due to iodine deficiency?
Goiter or Goitre is a disease which causes enlargement of thyroid glands. 90% of the cases of goiter are because of iodine deficiency.
Hormones are not made up of which of the following macromolecules?
Hormones are made up of either proteins or lipids. There are three types of hormones – protein or polypeptide hormones, steroid or lipid hormones, and tyrosine derivative hormones.
How many hormones are secreted by the anterior lobe of pituitary gland?
Anterior lobe of pituitary gland also called the adenohypophysis releases 6 hormones. They are growth hormone, thyroid stimulating hormone, adreno cortico tropic hormone, follicle stimulating hormone, luteinizing hormone, and prolactin.
Which hormone plays a key role in stimulating child birth?
Oxytocin stimulates the smooth muscles of uterus and causes contractions and helps in childbirth. It also induces milk secretion.
Melatonin is secreted by which gland?
Pineal gland secretes melatonin. Melatonin regulates the diurnal rhythm of our body. It also maintains our body temperature, sleep-wake cycle etc.
Eli Lily and Company synthesized which human hormone in large scale in the 1980s?
Eli Lily and Company synthesized human insulin in 1980s. The hormone was first isolated in the year 1922.
Does all the steroid hormones originate from cholesterol?
All steroid hormones originate from cholesterol.
Dwarfism is caused by deficiency of which hormone?
Deficiency of somatotropin hormone or growth hormone causes dwarfism.
Which gland is called the master gland?
Pituitary gland is called the master gland because it secretes hormones which control other glands and other bodily functions.
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