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স্পেশাল বিসিএস (স্বাস্থ্য) - লং কোর্স

পরীক্ষাস্পেশাল বিসিএস (স্বাস্থ্য) - লং কোর্সতারিখতারিখ অনির্ধারিতসময়30 minutes
মোট প্রশ্ন৩৯
সিলেবাস
টপিক: Physiology - 2 Circulatory system & Respiratory system
ঘনত্ব
উত্তর
উত্তরিতবর্তমানপুনরায় দেখুনঅসম্পূর্ণ

স্পেশাল বিসিএস (স্বাস্থ্য) - লং কোর্স

স্পেশাল বিসিএস (স্বাস্থ্য) - লং কোর্স · তারিখ অনির্ধারিত · ৩৯ প্রশ্ন

.
100 % oxygen therapy is highly effective in-
  1. Hb deficiency
  2. Hypoventilation
  3. Shock
  4. Haemorrage
ব্যাখ্যা
Ganong 25th : 648-651
.
Acute type 2 respiratory failure occurs in
  1. ALVF
  2. Lung Fibrosis
  3. Sleep apnea
  4. Narcotics
.
Factors shifting O2-Hb curve to left
  1. Hb F
  2. Acidosis
  3. Hot Weather
  4. Occurs at tissue level
.
Most diagnostic for asthma
  1. FEV1/FVC ratio more than 80%
  2. Decreased FEV1
  3. Decreased FVC
  4. FVC is increased after bronchodilator therapy
ব্যাখ্যা
কোন ব্যাখ্যা যোগ হয় নি।
.
Spontaneous respiration is ceased by transection at
  1. Superior border of Pons
  2. Lower border of Pons
  3. Medulla
  4. Phrenic Nerve damage
ব্যাখ্যা
Ganong 26 : 645-646
.
Greater portion of CO2 trandsported to lung by binding with
  1. Hb
  2. Protein
  3. HCO3
  4. Freely
ব্যাখ্যা
   
.
standing compared to the upper part of the lung, the lower portion of the lung has a
  1. Higher V/Q ratio.
  2. higher PO2
  3. Larger size of alveoli
  4. More compliance
.
At high altitude there is increase in
  1. pCO2
  2. pO2.
  3. Plasma HCO3
  4. Acidosis
.
Stimulation of baroreceptor
  1. Increase in heart rate
  2. Decrease in force of contraction
  3. Increase in arterial blood pressure
  4. Venodilation of pulmonary vessels
১০.
The second heart sound is caused by
  1. closure of the aortic and pulmonary valves.
  2. vibrations in the ventricular wall during systole.
  3. ventricular filling
  4. closure of the mitral and tricuspid valves.
১১.
Most important factor for CO
  1. VR
  2. EDV
  3. ESV
  4. TPR
ব্যাখ্যা
Although heart function is obviously crucial in

determining cardiac output, the various factors of the  peripheral circulation that affect flow of blood into the heart  from the veins, called venous return, are normally the  primary controllers of cardiac output.

(Ref. Guyton & Hall-14th, P-245
১২.
Most potent vasodilator
  1. CO2
  2. H+
  3. K+
  4. O2
ব্যাখ্যা
কোন ব্যাখ্যা যোগ হয় নি।
১৩.
Plateau phase of action potential
  1. Is due to K efflux
  2. Oprning of transient calcium channel.
  3. Causes prolongation of refractory period
  4. Coincides with ventricular diastole
ব্যাখ্যা
Mainly due to calcium influx

▶  due to slow long lasting ca²+- Na+

▶  coincides with ventricular systole

▶  Results in prolonged refractory period
১৪.
A 55-year-old man comes to his primary care clinician complaining of erectile dysfunction. He is given a prescription for Viagra, and on follow-up, reports that his ability to sustain an erection has been improved markedly by this treatment. The action of which of the following vasoactive mediators would primarily be increased in this patient?
  1. Histamine
  2. Endothelin-1
  3. Prostacyclin
  4. NO
ব্যাখ্যা
কোন ব্যাখ্যা যোগ হয় নি।
১৫.
Ejection systolic murmur is present in
  1. PDA
  2. Tricuspid stenosis
  3. MR
  4. Pulmonary stenosis
১৬.
ECG changes in Hyperkalemia
  1. prominent U wave
  2. ST depression
  3. wide QRS complex
  4. T wave inversion
১৭.
Closure of semilunar valve which heart sound produce
  1. S3
  2. opening snap
  3. S1
  4. S2
১৮.
Amplitude of pulse pressure in the aorta is directly proportional to
  1. Total peripheral resistance
  2. Aortic compliance
  3. Stroke volume
  4. Velocity of blood flow
ব্যাখ্যা
Amplitude of pulse pressure in the corta is directly to-

  Stroke volume
  velocity of blood flow
  Elasticity of vessel
  Raised in old age
১৯.
Anemic Hypoxia
  1. CO poisoining
  2. CN poisoining
  3. Narcotics
  4. Hamorrage
ব্যাখ্যা
Anemic Hypoxia
CO poisoining
Stagnant/Ischemic hypoxia
CCF,He,Shock
Histotoxic hypoxia
Cyanide Posoining,Narcotics
২০.
During normal quiet breathing
  1. Most of the tidal air enters in the upper part of lungs
  2. Venous return increases during inspiration
  3. Heart rate decreases duing inspiration
  4. Physiological splitting of 2nd heart sound occurs in expiration
২১.
RV=?
  1. 1200 ml
  2. 1100ml
  3. 4600 ml
  4. 5800 ml
ব্যাখ্যা
Guyton  13th-501-502
২২.
decrease in old age
  1. RV
  2. V/Q
  3. elastc recoil
  4. A-a gradiant
ব্যাখ্যা
কোন ব্যাখ্যা যোগ হয় নি।
২৩.
lowest component of surfactant
  1. Lipids
  2. Protein
  3. CHO
  4. Phospholipid
ব্যাখ্যা
Ganong 26 th p 619-620
২৪.
Regarding work of breathing,highst % of work done by
  1. Elastic work
  2. Viscous
  3. Airway resistance
  4. None
ব্যাখ্যা
Elastic work 65%

Ganong 26,Page 620
২৫.
Find the true
  1. VA and Q normal,Va/q normal
  2. VA=O and Q=N normal,Va/q normal
  3. VA= N and Q= O ,Va/q normal
  4. Va/q= 0 max gas excahnge
ব্যাখ্যা
কোন ব্যাখ্যা যোগ হয় নি।
২৬.
myocardiial contraction is best correleated to
  1. Calcium
  2. Na
  3. Cl
  4. K
২৭.
Pacemaker of heart
  1. SA node
  2. AV node
  3. RBB
  4. Purkinjie fibre
ব্যাখ্যা
কোন ব্যাখ্যা যোগ হয় নি।
২৮.
Gas exchange unit of lung
  1. Alveolus
  2. Acinus
  3. Terminal brochiole
  4. Atrium
ব্যাখ্যা
Davidson 24th
২৯.
Find the false about the apex of lungs
  1. Greater transmural pressure
  2. Large alveoli
  3. intrapleural pressure positive
  4. less blood flow
ব্যাখ্যা
Ganong 26th Page 624
 
৩০.
Diffusion of gas through respiratory membrane is inversly proportional to
  1. Surface area
  2. Diffusion co efficient
  3. Pressure differene
  4. MW
ব্যাখ্যা
Guyton 13 th page 522
৩১.
Which ion is affected in respiratory alkalosis
  1. K
  2. Na
  3. Ca
  4. Cl
ব্যাখ্যা
কোন ব্যাখ্যা যোগ হয় নি।
৩২.
Biot breathing is found in
  1. Sleep
  2. Head injury
  3. High altitude
  4. Uremia
৩৩.
Tissue oxygenation is not dependent on
  1. Cardiac output
  2. Hb
  3. Oxygen saturation
  4. Pulse rate
ব্যাখ্যা
কোন ব্যাখ্যা যোগ হয় নি।
৩৪.
Mismatch regarding lab finding of respiratory alkalosis
  1. increased K
  2. Decreased Cl
  3. Anion gap= Normal
  4. Base excess negative
ব্যাখ্যা
ABC biochem 7th -401
৩৫.
Tidal volume is
  1. the amount of air that normally moves into (or out of) the lungs with each respiration.
  2. the amount of air that enters the lungs but does not participate in gas exchange
  3. the amount of air expired after maximal expiratory effort.
  4. the amount of gas that can be moved into and out of the lungs in 1 min.
৩৬.
O2 level in peripheral circulation depends on?
  1. Hb level
  2. O2 dissolving capacity of Hb
  3. CO
  4. Temperature
ব্যাখ্যা
কোন ব্যাখ্যা যোগ হয় নি।
৩৭.
The main respiratory control neurons
  1. are unaffected by stimulation of pain receptors
  2. are located in the pons.
  3. send out regular bursts of impulses to inspiratory muscles during quiet respiration
  4. are unaffected by impulses from the cerebral cortex.
ব্যাখ্যা
কোন ব্যাখ্যা যোগ হয় নি।
৩৮.
1st line investigation of Pulmonary embolism
  1. DTPA
  2. CTPA
  3. MRI
  4. CT Scan
ব্যাখ্যা
Davidson 24th
৩৯.
Differential cyanosis is found in
  1. PDA
  2. VSD
  3. TOF
  4. IBD
ব্যাখ্যা
Dr Abdullah Short Case