Physiology Final Exam

29 Questions | Attempts: 115
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  • 1/29 Questions

    Which of the following endocrine organs located in the brain? 

    • Hypothalamus 
    • Gonads
    • Thyroid gland 
    • Pancreas 
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Final Exam

Physiology Quizzes & Trivia

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  • 2. 

    Which of the following is not a function of the respiratory system ?

    • Enhances venous system

    • Detoxifies fats

    • Enables speech, singing, and the vocalizations.

    • Provides a route for water loss and heat elimination.

    Correct Answer
    A. Detoxifies fats
  • 3. 

    The functional unit of the lungs is :-

    • Trachea

    • Bronchi

    • Alveoli

    • Bronchus

    Correct Answer
    A. Alveoli
  • 4. 

    Which of the following is an effect of Cortisol 

    • Stimulates glucogenesis

    • Stimulates protein degradation 

    • Stimulates lypolysis

    • All of the above 

    Correct Answer
    A. All of the above 
  • 5. 

    Most O2 transport in blood happens by:-

    • Oxyhemoglobin

    • Plasma

    • Carbaminohemoglobin

    • Bicarbonate ions 

    Correct Answer
    A. Oxyhemoglobin
  • 6. 

    The P wave in an electrodiagram correspondes to:

    • Ventricular depolarization

    • Atrial depolarization

    • Atrial repolarization

    • Ventricular repolarization

    Correct Answer
    A. Atrial depolarization
  • 7. 

    Aldosteron’s target tissues are :

    • Proximal tubule

    • Loope of henle 

    • Distal tubule

    • Distale and collecting tubules

    Correct Answer
    A. Distale and collecting tubules
  • 8. 

    Which of the following is the correct passage of inhaled air ? 

    • Pharynx—larynx—trachea

    • Larynx — pharynx— trachea

    • Bronchioles—bronchi—alveoli

    • Bronchi—bronchioles—trachea

    Correct Answer
    A. Pharynx—larynx—trachea
  • 9. 

    Which one of the following makes up T4

    • Tyrosine + 3 iodine atoms

    • Tyrosine onlt

    • Tyrosine +2 iodine atoms 

    • Tyrosine +4 iodine atoms 

    Correct Answer
    A. Tyrosine +4 iodine atoms 
  • 10. 

    Total peripheral resistance stands for :

    • Venulse

    • Arteries

    • Veins

    • Arterioles

    Correct Answer
    A. Arterioles
  • 11. 

    Which of the following is a heart rate influencing factor :

    • Preload

    • After load

    • Parasympathetic stim

    • Contactility

    Correct Answer
    A. Parasympathetic stim
  • 12. 

    Which of the following stimulate the anterior pituitary to release ACTH? 

    • CHRH

    • GNRH

    • CRH

    • Dopamine 

    Correct Answer
    A. CRH
  • 13. 

    Factors that increase aldosterone secretion are

    • Increase K+ in the blood

    • Renin angrotensin system (RAS) 

    • Increase  Na+ in the blood

    • A+B

    Correct Answer
    A. A+B
  • 14. 

    Boyle’s law states:-

    •  pressure and volume are directly proportional

    • Pressure and volume are inversely proportional 

    • Pressure and area are directly proportional

    • Volume and area are inversely proportional

    Correct Answer
    A. Pressure and volume are inversely proportional 
  • 15. 

    The only way to spread the action potential from the atria to the ventricles is by:

    • Fibrous tissue

    • Gap junctions

    • SA node

    • AV node

    Correct Answer
    A. AV node
  • 16. 

    Which of the following is not correct? 

    • T4 is more active than T3

    • Moat of the thyroid hormones are T4

    • T3 and T4 are generated from follicular cells

    • Could also be called as thyroxine

    Correct Answer
    A. T4 is more active than T3
  • 17. 

    Which of the following matches incorrectly :

    • Ventricular diastole - - - >80 mmHg

    • Systolic blood pressure - - - >120 mmHg

    • Ventricular systole----> 120 mmHg

    • Diastolic blood pressure ---->80 mmHg

    Correct Answer
    A. Ventricular diastole - - - >80 mmHg
  • 18. 

    All of the following about surfactants are true except for:-

    • Made by Type II alveolar cells

    • Mixture of lipids and proteins

    • Increases surface tension

    • Contributes to lung stability

    Correct Answer
    A. Increases surface tension
  • 19. 

    Autorythamic cells have:

    • Unstable resting potential

    • Stable resting potentials at - 70mv

    • Stable resting potentials at - 90 mv

    • None of the above 

    Correct Answer
    A. Unstable resting potential
  • 20. 

    Mean atrial pressure (MAP) equals to:

    • Diastole pressures +1/3 (Diastole - systole) 

    • Systole pressure +1/3(diastole - systole) 

    • Diastolic pressure +1/3(pulse pressure)

    • Systolic pressure +1/3(pulse pressure)

    Correct Answer
    A. Diastolic pressure +1/3(pulse pressure)
  • 21. 

    Which one of the following matches correctly? 

    • GH-soft tissues >>increase in strength and length 

    • GH-soft tissues>>hyperplasia , hypertrophy 

    • GH-skeleton>>  increase in thickness before puberty 

    • GH-skeleton >>increase in in length after puberty 

    Correct Answer
    A. GH-soft tissues>>hyperplasia , hypertrophy 
  • 22. 

    Vital capacity can be used to measure:-

    • Expiratory capacity

    • Inspiratory capacity

    • Functional residual capacity

    • Lung capacity

    Correct Answer
    A. Lung capacity
  • 23. 

    The largest pure indocrine gland:

    • Pancreas 

    • Thyroid gland 

    • Pituitary gland

    • Adrenal gland 

    Correct Answer
    A. Thyroid gland 
  • 24. 

    Heart rate is determined by:

    • The rate of repolarization in autorythamic cells

    • The rate of depolarization in autorythamic cells

    • The rate of depolarization in contractile cells

    • The rate of repolarization in contractile cells

    Correct Answer
    A. The rate of depolarization in autorythamic cells
  • 25. 

    The difference between the end- expiratory volume and the end- inspiratory volume is known as:- 

    • Residual volume 

    • Tidal volume

    • Total lung capacity

    • Inspiratory reserve volume

    Correct Answer
    A. Tidal volume
  • 26. 

    The most important member in the mineral corticoid family is :

    • Cortisol

    •  adrenal androgens

    • Aldosterone

    • None of the above

    Correct Answer
    A. Aldosterone
  • 27. 

    The difference between the intra-alveolar pressure and the intrapleural pressure is:- 

    • Atmospheric pressure

    • Transmular pressure

    • Intra-alveolar pressure

    • Positive pressure

    Correct Answer
    A. Transmular pressure
  • 28. 

    The lub sounds of the heart is caused by:

    • Ventricular diastole

    • Closure of the AV

    • Ventricular systole

    • B+C

    Correct Answer
    A. B+C
  • 29. 

    Which of the following is not an effect of the parasympathetic simulation

    • Decreases rate of the depolarization threshold

    • Decrease heart rate

    • Decrease AV nodal delay

    • Decreases excitability

    Correct Answer
    A. Decreases rate of the depolarization threshold

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  • Jul 30, 2019
    Quiz Edited by
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  • Jul 27, 2019
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    Pharmacgy
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