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Chemical Coordination And Integration

226 Questions Start Allen Test
All Exams Allen
Q1 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
A hormone is :-
A.
An enzyme
B.
Chemical messenger
C.
Primary messenger
D.
Both (2) and (3)
Q2 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Endocrine glands can be defined as those glands which pour their secretion :-
A.
Directly into blood
B.
Into blood or ducts
C.
When they are cut
D.
into particular organ
Q3 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
The receptor for protein hormones are present on :-
A.
Nucleus
B.
Endoplasmic reticulum
C.
Cytoplasm
D.
Cell-surface
Q4 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Hormones are :-
A.
Internal secretion mostly discharged in the blood by endocrine glands
B.
Secretion of exocrine glands
C.
Chemical substances secreted into the gut
D.
Inorganic catalysts
Q5 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Hormones are :-
A.
Produced in low amount
B.
Easily diffusible
C.
Non - antigenic
D.
All
Q6 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Statement not correct for hormones is that, these:-
A.
Are not all protein
B.
Are secreted in small amount
C.
Affect metabolism
D.
Acts as catalyst
Q7 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
"Secondary messenger" is :-
A.
Cyclic AMP
B.
ATP
C.
ADP
D.
DNA
Q8 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Hormones are chemically :-
A.
Amino acid
B.
Protein
C.
Steroid
D.
AIl
Q9 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
First discovered hormone :-
A.
Thyroxine
B.
Adrenaline
C.
Secretin
D.
Insulin
Q10 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Which of the following is not a steroid hormone?
A.
Androgen
B.
Aldosterone
C.
Estrogen
D.
Relaxin
Q11 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Which of the following is not an endocrine gland?
A.
Pancreas
B.
Adrenal gland
C.
Thyroid gland
D.
Salivary gland
Q12 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Which of the following hormones is not proteinaceous is nature ?
A.
TSH
B.
Aldosterone
C.
LH
D.
FSH
Q13 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Which of the hormone is polypeptide ?
A.
LH
B.
FSH
C.
Insulin
D.
Thyroxine
Q14 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Steroid hormones transmit their information by :
A.
Stimulating the receptors present on cell membrane.
B.
Entering into the cell and modifying cellular contents.
C.
Entering into the cell and modifying nuclear organisation.
D.
The help of an intracellular second messenger.
Q15 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Which is not a peptide hormone-
A.
Insulin
B.
Cortisol
C.
Glucagon
D.
All of these
Q16 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
If receptor molecule is removed from target organ for hormone action, the target organ will :
A.
Continue to respond but require higher concentration of hormone.
B.
Continue to respond but in opposite way.
C.
Continue to respond without any difference.
D.
Not respond to hormone.
Q17 Allen 1. INTRODUCTION AND MECHANISM OF HORMONE ACTION MCQ
Prostaglandins are ā€“
A.
Amino acid
B.
Steroid
C.
Fatty acid
D.
Carbohydrate
Q18 Allen 2. PITUITARY GLAND AND HYPOTHALAMUS MCQ
Pituitary gland does not control the secretory activity of :-
A.
Thyroid
B.
Adrenal cortex
C.
Adrenal medulla
D.
Testes
Q19 Allen 2. PITUITARY GLAND AND HYPOTHALAMUS MCQ
Which of the following controls spermatogenesis :-
A.
FSH
B.
LTH
C.
LH
D.
Vasopressin
Q20 Allen 2. PITUITARY GLAND AND HYPOTHALAMUS MCQ
Which is called "Master gland" of the body :-
A.
Thyroid
B.
Pituitary
C.
Thymus
D.
Adrenal
Q21 Allen 2. PITUITARY GLAND AND HYPOTHALAMUS MCQ
Hormone secreted by pituitary gland are chemically -
A.
All protein
B.
All steroid
C.
Complex compounds of proteins and carbohydrates
D.
Some steroid and some protein
Q22 Allen 2. PITUITARY GLAND AND HYPOTHALAMUS MCQ
Gonadotrophic hormone is produced by :-
A.
Interstitial cells of testis
B.
Adrenal cortex
C.
Adenohypophysis
D.
Posterior part of thyroid
Q23 Allen 2. PITUITARY GLAND AND HYPOTHALAMUS MCQ
The hormones FSH and LH are together called:
A.
Emergency hormone
B.
Neuro hormone
C.
Gonadotrophic hormone
D.
Antistress hormone
Q24 Allen 2. PITUITARY GLAND AND HYPOTHALAMUS MCQ
Gigantism and acromegaly are due to :-
A.
Hyperpituitrism
B.
Hypopituitrism
C.
Hypothyroidism
D.
Hyperthyroidism
Q25 Allen 2. PITUITARY GLAND AND HYPOTHALAMUS MCQ
If amount of ADH decrease in blood, micturition :-
A.
Remains unchanged
B.
Decreases
C.
Increases
D.
Does not occur