Physiology Exam! Hardest Trivia Quiz

30 Questions

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Physiology Quizzes & Trivia

Have you been having a hard time understanding what you have covered in physiology class? If this is true, then the 2nd quiz below is exactly what you need to ensure you know them all. Give it a shot and see just how high you score. Be sure to come back and tackle the nest in the series of tests.


Questions and Answers
  • 1. 
    Angiotensin 1 is formed from the plasma protein ______ by the action of the enzyme ______
    • A. 

      Angiotensinogen, rennin

    • B. 

      Angiotensinogen, ACE

    • C. 

      Angiotensin 2, rennin

    • D. 

      Angiotensin 2, ACE

  • 2. 
    Sympathatic nervous system stimulation will lead to
    • A. 

      Reduce heart rate

    • B. 

      Stimulation to adrenal medulla causing release of epinephrine and norepinephrine

    • C. 

      Reduce heart contractillity

    • D. 

      Reduce venous return

  • 3. 
    The main site for delay in conductivity for heart conduction system is
    • A. 

      SA node

    • B. 

      Bundle of his

    • C. 

      AV node

    • D. 

      Purkinje fibers

  • 4. 
    Which of the following pairs is incorrect
    • A. 

      PR interval: repolarization of the atrium

    • B. 

      P wave: depolarization of atria

    • C. 

      QRS: Depolarization of ventricles

    • D. 

      T wave: Repolarization of ventricles

  • 5. 
    Which of the following vessels has the largest effect on total peripheral resistance
    • A. 

      Veins

    • B. 

      Arterioles

    • C. 

      Large arteries

    • D. 

      Capillaries

  • 6. 
    During exercise all of the following occur except
    • A. 

      Vasoconstriction of peripheral arteries

    • B. 

      Increase in heart rate

    • C. 

      Vasoconstriction of coronary arteries

    • D. 

      Increase cardiac output

  • 7. 
    Which of the following is not a mechanism to promote venous return and reduce blood pooling
    • A. 

      Parasympathatic stimulation

    • B. 

      Veins constriction

    • C. 

      Increase in blood volume

    • D. 

      Sympathatic stimulation

  • 8. 
    Right ventricular afterload is determined by
    • A. 

      Right atrial venous return

    • B. 

      Peripheral vascular resistance

    • C. 

      Palmunary vascular resistance

    • D. 

      Inferior vena cava diameter

  • 9. 
    Which of the following hormones is regulated directly by hypothalmus
    • A. 

      Prolactin

    • B. 

      Cortisol

    • C. 

      Thyroxin

    • D. 

      Estrogen

  • 10. 
    One of the following is equivelant to G-protein coupled receptors
    • A. 

      Nicotinic receptors

    • B. 

      Iono-tropic receptors

    • C. 

      Muscarinic receptors

    • D. 

      Ligand gated ion channels

  • 11. 
    Which of the following best describes oxytocin action
    • A. 

      Enhance milk production

    • B. 

      Enhance milk release

    • C. 

      Released from adreno-hypophysis

    • D. 

      Synthesized in neuro-hypophysis

  • 12. 
    Which of the following enzymes will reduce the amount of cyclic AMP inside the cell
    • A. 

      Protein kinase A

    • B. 

      Phosphodiesterase

    • C. 

      Adenylate cyclase

    • D. 

      Phospholipase C

  • 13. 
    Hormone released from posterior pituitary gland will be synthesized in
    • A. 

      Posterior pituitary

    • B. 

      Anterior pituitary

    • C. 

      Hypothalmus

    • D. 

      Hypophysis

  • 14. 
    Which of the following is not a type of signaling molecule
    • A. 

      CAMP

    • B. 

      Adenylate cyclase

    • C. 

      Ca+2

    • D. 

      DAG

  • 15. 
    Which of the following signaling molecule binds to a receptor situated in the cytosol rather than the outer membrane of the cell
    • A. 

      Progesterone

    • B. 

      Growth hormone

    • C. 

      Epinephrine

    • D. 

      ACTH

  • 16. 
    Which of the following process involves combining a message with one signaling molecule with that of another to either enhance or inhibit a cellular effect
    • A. 

      Signal Integration

    • B. 

      Cross-talk

    • C. 

      Signal transduction

    • D. 

      Signal combination

  • 17. 
    Which of the following is not a part of the dead space
    • A. 

      Alveoli

    • B. 

      Nasal cavity

    • C. 

      Trachea

    • D. 

      Main Bronchi

  • 18. 
    Which of the following keeps the lungs inflated
    • A. 

      Thin water film lining the alveoli

    • B. 

      Surfactant

    • C. 

      Surface tension

    • D. 

      Lung elasticity

  • 19. 
    • A. 

      Inspiratory reserve volume

    • B. 

      Total lung capacity

    • C. 

      Vital capacity

    • D. 

      Tidal volume

  • 20. 
    CO2 in the blood is mainly transported in the form of
    • A. 

      Bicarbonate

    • B. 

      Dissolved

    • C. 

      Bounds to hemoglobin

    • D. 

      Bounds to carrier protein

  • 21. 
    At the end of maximum inspiration, the intra alveolar pressure is
    • A. 

      Sub_atmosphiric pressure [-1]

    • B. 

      Higher than atmospheric pressure [+1]

    • C. 

      Same as atmospheric pressure [0]

    • D. 

      None of the above

  • 22. 
    The pressure in pleural space
    • A. 

      More than atmospheric pressure

    • B. 

      Positive in valvular pneumothorax

    • C. 

      Equal to atmospheric pressure

    • D. 

      Negative in valvular pneumothorax

  • 23. 
    Which of the following is not part of function of kdneys
    • A. 

      Secrete antidiuritic hormones

    • B. 

      Regulate blood osmolarity

    • C. 

      Regulate blood volume

    • D. 

      Secrete erythropiotin and rennin

  • 24. 
    The normal glomular filtration rate in adult male person is ________
    • A. 

      125

    • B. 

      120

    • C. 

      115

    • D. 

      130

  • 25. 
    One of the following is correct about the kidney
    • A. 

      Produce antigiotensin II

    • B. 

      Maintaining blood osmolarity

    • C. 

      Receives 2% of cardiac output

    • D. 

      Are the first organs stimulated to maintain acid-base balance

  • 26. 
    Most of the sodium in filtrate will be reabsorbed in
    • A. 

      Proximal tubule

    • B. 

      Distal tubule

    • C. 

      Loop of henle

    • D. 

      Collecting tubules

  • 27. 
    Which of the following will increase GFR:
    • A. 

      Afferent arteriole constriction

    • B. 

      Efferent arteriole dilation

    • C. 

      Efferent arteriole constriction

    • D. 

      None of the above

  • 28. 
    All of the following will be filtrated in Glomelurus except
    • A. 

      Glucose

    • B. 

      Amino acids

    • C. 

      Sodium ions

    • D. 

      Plasma Protein

  • 29. 
    Suppose that we have 500mg of glucose in blood, calculate the amount of filtered glucose
    • A. 

      1mg

    • B. 

      10mg

    • C. 

      50mg

    • D. 

      100mg

  • 30. 
    The percentage of urea reabsorbed back is
    • A. 

      40%

    • B. 

      90%

    • C. 

      50%

    • D. 

      0%