Chemical Coordination and Integration

80 Questions
2011 NEET MCQ
AIPMT 2011 Mains
The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone
A.
calcitonin
B.
prolactin
C.
adrenaline
D.
melatonin
2011 NEET MCQ
AIPMT 2011 Prelims
Given below is an incomplete table on hormones, their source glands and one major effect of each human body. Identify the option representing correct grouping of hormone its gland and effect.

Gland Secretion Effect on body
A Estrogen Maintenance of
secondary sexual
characters
Alpha cells of Islets
of Langerhans
B Raises blood sugar
level
Anterior pituitary C Over secretion leads
to gigantism
A.
A B C
Ovary Glucagon Growth hormone
B.
A B C
Placenta Insulin Vasopressin
C.
A B C
Ovary Insulin Calcitonin
D.
A B C
Placenta Glucagon Calcitonin
2011 NEET MCQ
AIPMT 2011 Prelims
Match the source gland with its respective hormone and function and select the correct option.
A.
Source gland Hormone Function
Anterior pituitary Oxytocin Contraction of uterus
muscles during child
birth
B.
Source gland Hormone Function
Posterior pituitary Vasopressin Stimulates reabsorption
of water in the distal tub-
ules in the nephron
C.
Source gland Hormone Function
Corpus luteum Estrogen Supports pregnancy
D.
Source gland Hormone Function
Thyroid Thyroxine Regulates blood
calcium level
2010 NEET MCQ
AIPMT 2010 Prelims
Which one of the following pairs is incorrectly matched?
A.
Glucagon $-$ Beta cells (source)
B.
Somatostatin $-$ Delta cells (source)
C.
Corpus luteum $-$ Relaxin (secretion)
D.
Insulin $-$ Diabetes mellitus (disease)
2010 NEET MCQ
AIPMT 2010 Prelims
select the correct matching of a hormone, its source and function.
A.
Hormone Source Function
Vasopression Posterior pituitary Increases loss of
water through urine
B.
Hormone Source Function
Norepinephrine Adrenal medulla Increases heart beat,
rate of respiration and
alterness
C.
Hormone Source Function
Glucagon Beta-cells of Islets of
Langerhans
Stimulates glycogenolysis
D.
Hormone Source Function
Prolactin Posterior pituitary Regulates growth
of mammary glands
and milk formation in
females
2010 NEET MCQ
AIPMT 2010 Prelims
Low Ca++ in the body fluid may be the cause of
A.
tetany
B.
anaemia
C.
angina pectoris
D.
gout.
2010 NEET MCQ
AIPMT 2010 Prelims
Injury to adrenal cortex is not likely to affect the secretion of which one of the following?
A.
Aldosterone
B.
Both androstenedione and dehydroepiandrosterone
C.
Adrenaline
D.
Cortisol
2010 NEET MCQ
AIPMT 2010 Prelims
Toxic agents present in food which interfere with thyroxine synthesis lead to the development of
A.
toxic goitre
B.
cretinism
C.
simple goitre
D.
thyrotoxicosis.
2009 NEET MCQ
AIPMT 2009
A health disorder that results from the deficiency of thyroxine in adults and characterised by (i) a low metabolic rate, (ii) increase in body weight and (iii) tendency to retain water in tissues is
A.
simple goitre
B.
myxoedema
C.
cretinism
D.
hypothyroidism.
2008 NEET MCQ
AIPMT 2008
The blood calcium level is lowered by the deficiency of
A.
both calcitonin and parathormone
B.
calcitonin
C.
parathormone
D.
thyroxine.
2008 NEET MCQ
AIPMT 2008
Which one of the following pair of organs includes only the endocrine glands?
A.
Thymus and testes
B.
Adrenal and ovary
C.
Parathyroid and adrenal
D.
Pancreas and parathyroid
2007 NEET MCQ
AIPMT 2007
Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action?
A.
Adrenaline
B.
Glucagon
C.
Gastrian
D.
Thyroxine
2007 NEET MCQ
AIPMT 2007
A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly?
A.
Parotid
B.
Pancreas
C.
Thyroid
D.
Parathyroid
2006 NEET MCQ
AIPMT 2006
A steroid hormone which regulates glucose metabolism is
A.
cortisone
B.
cortisol
C.
corticosterone
D.
11-deoxycorticosterone.
2006 NEET MCQ
AIPMT 2006
Which one of the following statements is correct?
A.
Endocrine glands regulate neural activity, but not vice versa.
B.
Neurons regulate endocrine activity, but not vice versa.
C.
Endocrine glands regulate neural activity, and nervous system regulates endocrine glands.
D.
Neither hormones control neural activity nor the neurons control endocrime activity.
2006 NEET MCQ
AIPMT 2006
Which of the following is an accumulation and release center of neurohormones?
A.
Anterior pituitary lobe
B.
Posterior pituitary lobe
C.
Intermediate lobe of the pituitary
D.
Hypothalamus
2006 NEET MCQ
AIPMT 2006
Which hormone causes dilation of blood vessels, increased oxygen consumption and glucogenesis?
A.
Glucagon
B.
ACTH
C.
Insulin
D.
Adrenaline
2006 NEET MCQ
AIPMT 2006
Which one of the following is not a secondary messenger in hormone action?
A.
cAMP
B.
cGMP
C.
Calcium
D.
Sodium
2004 NEET MCQ
AIPMT 2004
Which one of the following hormones is modified amino acid?
A.
Epinephrine
B.
Progesterone
C.
Prostaglandin
D.
Estrogen
2004 NEET MCQ
AIPMT 2004
Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?
A.
Luteinizing hormone    -    Failure of ovulation
B.
Insulin    -    Diabetes insipidus
C.
Thyroxine    -    Tetany
D.
Parathyroid    -    Diabetes mellitus
2004 NEET MCQ
AIPMT 2004
Chemically hormones are
A.
biogenic amines only
B.
proteins, steroids and biogenic amines
C.
proteins only
D.
steroids only
2003 NEET MCQ
AIPMT 2003
Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?
A.
Relaxin $-$ Gigantism
B.
Prolactin $-$ Cretinism
C.
Parathyroid hormone $-$ Tetany
D.
Insulin $-$ Diabetes insipidus
2002 NEET MCQ
AIPMT 2002
When both ovaries are removed from rat then which hormone is decreased in blood?
A.
Oxytocin
B.
Prolactin
C.
Estrogen
D.
Gonadotropin releasing factor
2002 NEET MCQ
AIPMT 2002
Adrenaline directly affects on
A.
S.A. node
B.
$\beta $-cells of Langerhans
C.
dorsal root of spinal nerve
D.
epithelial cells of stomach.
2002 NEET MCQ
AIPMT 2002
Mainly which type of hormones control the menstrual cycle in human beings?
A.
FSH
B.
LH
C.
FSH, LH, estrogen
D.
progesterone
2002 NEET MCQ
AIPMT 2002
Acromegaly is caused by
A.
excess of STH
B.
excess of thyroxine
C.
deficiency of thyroxine
D.
excess of adrenaline.
2001 NEET MCQ
AIPMT 2001
Which set is similar?
A.
Corpus luteum    -    Graafian follicles
B.
Sebum    -    Sweat
C.
Bundle of His    -    Pace maker
D.
Vitamin B7    -    Niacin
2000 NEET MCQ
AIPMT 2000
MSH is secreted by
A.
anterior lobe of pituitary
B.
middle lobe of pituitary
C.
posterior lobe of pituitary
D.
endostyle.
2000 NEET MCQ
AIPMT 2000
Which gland secretes odorous secretion in mammals?
A.
Bartholins
B.
Prostate
C.
Anal gland
D.
Liver
2000 NEET MCQ
AIPMT 2000
Melatonin is secreted by
A.
pineal body
B.
skin
C.
pituitary gland
D.
thyroid.