Jabalpur
MBBS First Professional Examination Feb-2021
Time: 3:00 Hours
Max. Marks: 75
--- Content provided by FirstRanker.com ---
Instructions:a) All questions are compulsory
b) Draw diagrams wherever necessary
c) Answers of Questions and Sub-questions must
be written strictly according to serial order of
--- Content provided by FirstRanker.com ---
question paper.d) MCQ has to be answered in theory answer
book
e) Please write MCQ answer neatly and in serial
order with black or blue pen in brackets; for
--- Content provided by FirstRanker.com ---
example: - 1. (a) 2. (c)f) MCQ has to be answered only once, any kind of
repetition or cutting or erasing or whitener will
be considered as malpractice, such answers will
not be counted in marks and action will be taken
--- Content provided by FirstRanker.com ---
according to UFM rules of university.Q1. Total MCQs: 20
1. The term "glycocalyx" refers to what
(a) the negatively charged
carbohydrate chains that protrude
--- Content provided by FirstRanker.com ---
into the cytosol from glycolipidsand integral glycoproteins
(b) the negatively charged
carbohydrate layer on the outer
cell surface
--- Content provided by FirstRanker.com ---
(c) the layer of anions aligned onthe cytosolic surface of the plasma
membrane
(d) a mechanism of cell-cell
attachment
--- Content provided by FirstRanker.com ---
2. A 17-year-old soccer player sustained afracture to the left tibia after her lower leg has
been in cast for 8 weeks, she is surprised to find
that the left gastrocnemius muscle is significantly
smaller in circumference than it was before the
--- Content provided by FirstRanker.com ---
fracture. What is the most likely explanation(a) decrease in the individual
muscle fibers in the left
gastrocnemius
(b) decrease in the blood flow to
--- Content provided by FirstRanker.com ---
the muscle caused by constrictionfrom cast
(c) temporary reduction in actin
and myosin protein synthesis
(d) increase in glycolytic activity in
--- Content provided by FirstRanker.com ---
the affected muscle3. Pinocytosis occurs
(a) for large protein molecules
(b) by formation of pinocytic vesicle
(c) at sites of membrane called
--- Content provided by FirstRanker.com ---
coated pits(d) all of the above
4. Following substances are absorbed by sodium
cotransport mechanism by intestine
(a) fatty acids
--- Content provided by FirstRanker.com ---
(b) glucose(c) potassium ions
(d) proteins
5. Total number of chromosomes in somatic cells
is
--- Content provided by FirstRanker.com ---
(a) 48(b) 46
(c) 22
(d) 26
6. Nernst potential for sodium is
--- Content provided by FirstRanker.com ---
(a) -94 mV(b) -60 mV
(c) +61 mV
(d) +45 mV
7. Worn out organelles are transferred to
--- Content provided by FirstRanker.com ---
lysosomes by which of the following(a) autophagosomes
(b) granular endoplasmic reticulum
(c) golgi apparatus
(d) mitochondria
--- Content provided by FirstRanker.com ---
8. Which of the following cell organelle is
responsible for producing ATP
(a) endoplasmic reticulum
(b) mitochondria
(c) lysosomes
--- Content provided by FirstRanker.com ---
(d) golgi apparatus9. In a resting adult, the typical ventricular
ejection fraction has what value
(a) 20%
(b) 40%
--- Content provided by FirstRanker.com ---
(c) 60%(d) 80%
10. Which of the following is most likely to cause
the heart to go into spastic condition
(a) increased body temperature
--- Content provided by FirstRanker.com ---
(b) increased sympathetic activity(c) decreased extracellular fluid
potassium ions
(d) excess extracellular fluid calcium
ions
--- Content provided by FirstRanker.com ---
11. Normally, end-diastolic volume to the strokevolume % is
(a) 35
(b) 50
(c) 65
--- Content provided by FirstRanker.com ---
(d) 8012. What is the total delay of the cardiac impulse
in the a-v node + bundle
(a) 0.22 sec
(b) 0.13 sec
--- Content provided by FirstRanker.com ---
(c) 0.09 sec(d) 0.16 sec
12 What is the normal OT interval
(a) 0.03 sec
(b) 0.13 sec
--- Content provided by FirstRanker.com ---
(c) 0.20 sec(d) 0.35 sec
14. Which condition will usually result in left axis
deviation in an ECG
(a) systemic hypertension
--- Content provided by FirstRanker.com ---
(b) pulmonary valve stenosis(c) pulmonary valve regurgitation
(d) pulmonary hypertension
15. The maximum clearance rate possible for a
substance that is totally cleared from the plasma
--- Content provided by FirstRanker.com ---
is equal to which of the following(a) GFR
(b) filtered load of that substance
(c) urinary excretion rate of that
substance
--- Content provided by FirstRanker.com ---
(d) renal plasma flow16. Which change tends to increase peritubular
capillary fluid reabsorption
(a) increase in blood pressure
(b) decreased filtration fraction
--- Content provided by FirstRanker.com ---
(c) increased efferent arteriolarresistance
(d) decreased angiotensin II
17. Which of the following would likely lead to
hyponatremia
--- Content provided by FirstRanker.com ---
(a) excessive ADH secretion(b) restriction of fluid intake
(c) excess aldosterone secretion
(d) administration of 2 liters of 3%
NaCl solution
--- Content provided by FirstRanker.com ---
18. What is the volume of dead space in a normalhealthy adult
(a) 100 ml
(b) 150 ml
(c) 350 ml
--- Content provided by FirstRanker.com ---
(d) 500 ml19. Which of the following applies to patients
with acquired immunodeficiency virus (AIDS)
(a) able to generate a normal
antibody response
--- Content provided by FirstRanker.com ---
(b) increased helper T cells(c) increased secretion of
interleukins
(d) decrease in helper T cells
20. Platelet adhesion is mainly facilitated by
--- Content provided by FirstRanker.com ---
(a) von Willebrand factor(b) fibrinogen
(c) ADP
(d) calcium
Q2. Short Answer Questions
--- Content provided by FirstRanker.com ---
10 x 5 = 50a. Describe short term regulation of blood
pressure
b. Describe movements of small intestine
c. Define hypoxia, enumerate types of hypoxias
--- Content provided by FirstRanker.com ---
and describe hypoxic hypoxiad. Describe process of erythropoiesis
e. Define immunity and discuss humoral
immunity
f. Explain effect of mismatched transfusions
--- Content provided by FirstRanker.com ---
g. Explain the mechanism of formation of HCl ingastric secretion
h. Give a brief note on milieu interior
i. Describe sodium potassium pump
j. Give a brief note on acidification of urine
--- Content provided by FirstRanker.com ---
Q3. Long Answer Questions3 x 10 = 30
a. Discuss the transport of O2 in blood
b. Describe about pathophysiology of shock,
enumerate types of shock & give brief note on
--- Content provided by FirstRanker.com ---
cardiogenic shockC. Define GFR & its regulation and factors
affecting GFR
***