Date: 25-11-2023
1123E354
First Year MBBS Examination
I MBBS Physiology Paper 2
Time: 3 hours Max Marks: 100
separate answer books for each section. 3.
Draw diagrams wherever necessary.
Section 1
1.Write the following structured long
a. Enumerate the ascending tracts of the spinal
cord. Trace the pathway of Pain. Discuss the
types of pain, referred pain, role of dorsal
horn of spinal cord on modulation of pain.
b. What is the role of cerebellum in motor
activity?What are the symptoms of
cerebellar disease and what is the
pathophysiology of the symptoms? (4+6)
applied short notes (any 2 out of 3) (12)
a. A 55 yrs. old non-diabetic female had
rheumatoid arthritis and was treated with
teroids for four months, after which she was
two weeks before stopping it completely.
Along with steroids she was given calcium
tablets daily and her blood sugar was tested
every month. During her course of treatment,
of neck, purplish stria along the body, hair
loss from scalp and hirsutism.a) Give
physiological basis of the symptoms that she
developed. (2) b) Why were the steroids
the end of four months? (2) c) Why was she
given calcium along with steroids and why
was her blood sugar tested every month? (2)
b. An 85 year old male suffers from memory
is intact and so is his skills and reflexive
memory. What do you think is the most
likely diagnosis? What is the physiological
basis of this disease?
3.Write short notes (any 3 out of 4) (18)
a. HCI secretion in the stomach
b. Gastrointestinal hormones
c. Hormonal changes in menstrual cycle
4.Answer in only 2-3 sentence (any 5 out of
6) (10)
a. Why salivation increases by mere thought or
sight of food?
but it causes uterine contractions only at the
time of delivery. Why?
c. Babies born to elderly mothers are at a
higher risk of developing Down'syndrome
mother, yet it is well tolerated.
e. Why people sometimes experience pain in
their limb which has been amputated and is
no longer present
Section 2
5.Write the following structured long
question (any 1 out of 2) (10)
a. Name the hormones regulating the blood
action of insulin? What is the difference
between type1 and type 2 diabetes? (2+2+6)
b. Name the hormones secreted from Pituitary
gland? How is the secretion of these
6.Write short notes (any 2 out of 3) (12)
a. Action potential of cardiac muscle
b. Excitation Contraction coupling of skeletal
muscle
7.Write short notes (any 3 out of 4) (18)
a. Organ of Corti
b. Fight or Flight response
c. Color Vision
8.Answer in only 2-3 sentence (any 5 out of
6) (10)
a. What happens to a person who suddenly
enters cinema hall from the bright light?
b. Why there is polyphagoa in diabete patients?
c. What is the difference betweenconduction
velocity in myelinated and non myelinated
nerve fibers and why?
and contracture?
e. Why tea doesn't taste sweet if it is taken just
after having sweet dish
f. Why vagotomy is done in severe cases of
1123E354
First Year MBBS Examination
I MBBS Physiology Paper 2
Time: 3 hours Max Marks: 100
--- Content provided by FirstRanker.com ---
Instructions: 1. Answer to the points. 2. Useseparate answer books for each section. 3.
Draw diagrams wherever necessary.
Section 1
1.Write the following structured long
--- Content provided by FirstRanker.com ---
question (any 1 out of 2) (10)a. Enumerate the ascending tracts of the spinal
cord. Trace the pathway of Pain. Discuss the
types of pain, referred pain, role of dorsal
horn of spinal cord on modulation of pain.
--- Content provided by FirstRanker.com ---
(2+2+6)b. What is the role of cerebellum in motor
activity?What are the symptoms of
cerebellar disease and what is the
pathophysiology of the symptoms? (4+6)
--- Content provided by FirstRanker.com ---
2.Write the following case - based scenario /applied short notes (any 2 out of 3) (12)
a. A 55 yrs. old non-diabetic female had
rheumatoid arthritis and was treated with
teroids for four months, after which she was
--- Content provided by FirstRanker.com ---
advised to taper the medicine slowly alongtwo weeks before stopping it completely.
Along with steroids she was given calcium
tablets daily and her blood sugar was tested
every month. During her course of treatment,
--- Content provided by FirstRanker.com ---
she developed swelling on her face and backof neck, purplish stria along the body, hair
loss from scalp and hirsutism.a) Give
physiological basis of the symptoms that she
developed. (2) b) Why were the steroids
--- Content provided by FirstRanker.com ---
tapered slowly and not stopped abruptly atthe end of four months? (2) c) Why was she
given calcium along with steroids and why
was her blood sugar tested every month? (2)
b. An 85 year old male suffers from memory
--- Content provided by FirstRanker.com ---
loss of recent events. The long term memoryis intact and so is his skills and reflexive
memory. What do you think is the most
likely diagnosis? What is the physiological
basis of this disease?
--- Content provided by FirstRanker.com ---
c. Describe the various indicators of ovulation.3.Write short notes (any 3 out of 4) (18)
a. HCI secretion in the stomach
b. Gastrointestinal hormones
c. Hormonal changes in menstrual cycle
--- Content provided by FirstRanker.com ---
d. Sertolii cells4.Answer in only 2-3 sentence (any 5 out of
6) (10)
a. Why salivation increases by mere thought or
sight of food?
--- Content provided by FirstRanker.com ---
b. Oxytocin is present in the blood all the timebut it causes uterine contractions only at the
time of delivery. Why?
c. Babies born to elderly mothers are at a
higher risk of developing Down'syndrome
--- Content provided by FirstRanker.com ---
d. Explain why, fetus is a 'transplant' in themother, yet it is well tolerated.
e. Why people sometimes experience pain in
their limb which has been amputated and is
no longer present
--- Content provided by FirstRanker.com ---
f. What is Babinski's reflex?Section 2
5.Write the following structured long
question (any 1 out of 2) (10)
a. Name the hormones regulating the blood
--- Content provided by FirstRanker.com ---
glucose levels. What is the mechanism ofaction of insulin? What is the difference
between type1 and type 2 diabetes? (2+2+6)
b. Name the hormones secreted from Pituitary
gland? How is the secretion of these
--- Content provided by FirstRanker.com ---
hormones regulated? (3+7)6.Write short notes (any 2 out of 3) (12)
a. Action potential of cardiac muscle
b. Excitation Contraction coupling of skeletal
muscle
--- Content provided by FirstRanker.com ---
c. Classification of nerves7.Write short notes (any 3 out of 4) (18)
a. Organ of Corti
b. Fight or Flight response
c. Color Vision
--- Content provided by FirstRanker.com ---
d. Nicotinic and muscarinic receptors in ANS8.Answer in only 2-3 sentence (any 5 out of
6) (10)
a. What happens to a person who suddenly
enters cinema hall from the bright light?
--- Content provided by FirstRanker.com ---
Why?b. Why there is polyphagoa in diabete patients?
c. What is the difference betweenconduction
velocity in myelinated and non myelinated
nerve fibers and why?
--- Content provided by FirstRanker.com ---
d. What is the difference between rigor mortisand contracture?
e. Why tea doesn't taste sweet if it is taken just
after having sweet dish
f. Why vagotomy is done in severe cases of
--- Content provided by FirstRanker.com ---
peptic ulcer?