Hormones MCQs | Hormones Multiple Choice Questions and Answers

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Questions
1 Chemical messengers secreted by ductless glands are called___________
A Lymph
B Platelets
C Plasma
D Hormones

Answer: Hormones
2 Which of the following is NOT an endocrine gland?
A Hypothalamus
B Pituitary
C Parathyroid
D Pancreas

Answer: Hypothalamus
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3 Which of the following is Growth hormone inhibiting hormone?
A FSH
B TRH
C GHRH
D Somatostatin

Answer: Somatostatin
4 Mark the one, which is not inhibited by the effect of somatostatin.
A GH
B TSH
C Glucagon
D Dopamine

Answer: Dopamine
5 Name the hormone, which is released by the posterior pituitary.
A Oxytocin
B TSH
C ICSH
D Prolactin

Answer: Oxytocin
6 The first hormone isolated (1902) was
A thyroxine
B vasopressin
C secretin
D adrenaline

Answer: secretin
7 Metabolic rate in mammals is controlled by
A pancreas
B Liver
C Thyroid
D Pituitary

Answer: Thyroid
8 Islets of Langerhans are found in
A Liver
B Spleen
C Pancreas
D Pituaitry

Answer: Pancreas
9 Myxoedema in adults is caused due to
A Hyperthyrodism
B Deficiency of PTH
C over production of PTH
D Deficiency of thyroid hormone

Answer: Deficiency of thyroid hormone
10 Testosterone is secreted by
A Leydig cells
B Sertoli cells
C Histocyte
D Primary spermatocyte

Answer: Leydig cells
11 HCG is secreted by
A placenta
B Ovary
C Thymus
D Thyroid

Answer: placenta
12 Cushing syndrome is due to the hyper secretion of
A Adrenal cortex
B Thyroid
C Pituitary
D Adrenal medulla

Answer: Adrenal cortex
13 Goitre is caused by
A Excess secretion of thyroxin
B Deficiency of iodine
C Over eating
D Defective growth hormone

Answer: Deficiency of iodine
14 Which of these is true of the endocrine system?
A secretes hormones that are transported to target cells by blood
B causes changes in metabolic activities
C effects are prolonged
D All of above are true

Answer: All of above are true
15 Name the gland that is located at the base of the throat, just inferior to the laryngeal prominence (Adam's apple).
A Pituitary
B Pineal gland
C Hypothalamus
D Thyroid

Answer: Thyroid
16 In the pancreas, which are the cells that secrete insulin, decrease the blood levels of glucose.
A delta.
B alpha.
C beta.
D beta.

Answer: beta.
17 Endocrine glands differ from exocrine glands in that:
A Endocrine glands are ductless and exocrine glands release secretions at the body's surface or into ducts
B Endocrine glands release hormones, whereas exocrine glands release waste
C Endocrine glands are formed by epithelial tissue, but exocrine glands are primarily connective tissue
D Endocrine glands are all interconnected; whereas exocrine glands act completely independently

Answer: Endocrine glands are ductless and exocrine glands release secretions at the body's surface or into ducts
18 Which of these is not an endocrine property?
A hormones reach targets through the blood
B effects are slow and cyclic
C rapid acting effects
D effects caused by chemicals

Answer: rapid acting effects
19 The primary target of the releasing and inhibiting hormones of the hypothalamus is the:
A Liver and adipose tissue
B Gonads
C Anterior pituitary
D Bone marrow

Answer: Anterior pituitary
20 Which of these is not an endocrine gland?
A Pancreas
B Testes
C Salivary gland
D Parathyroid

Answer: Salivary gland
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