Biology 44

17 Questions
Biology Quizzes & Trivia
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Questions and Answers
  • 1. 
    • A. 

      The amount of O2 in venous blood would decrease.

    • B. 

      The amount of Co2 in venous blood would decrease.

    • C. 

      The amount of oxygen in arterial blood would decrease.

    • D. 

      The amount of Co2 in venous blood would increase.

  • 2. 
    Which of the four muscular chambers of the human heart directly propels blood into the systemic circulation?
    • A. 

      Right ventricle

    • B. 

      Left atrium

    • C. 

      Left ventricle

    • D. 

      Right atrium

  • 3. 
    When a patient has his gallbladder removed, what food type would a doctor recommend this patient consume in lower quantities?
    • A. 

      Carbs

    • B. 

      Fats

    • C. 

      Sodium

    • D. 

      Sugar's

  • 4. 
    • A. 

      The insect would consume less water

    • B. 

      The kidney would release renin in response to the low water volume

    • C. 

      Nothing, the insect uses standard respiratory system

    • D. 

      The insect would increase water consumption.

  • 5. 
    A rabbit taken from a meadow near sea level & moved to a meadow high on a mountainside would have some trouble breathing. Why?
    • A. 

      The partial pressure of Co2 in the air at low elevations is higher than at sea level.

    • B. 

      The partial pressure of oxygen in the air at high elevations is lower than at sea level.

    • C. 

      The partial pressure of oxygen in the air at low elevation is higher than at sea level.

    • D. 

      Rabbits don't breath in wonderland.

  • 6. 
    The process of breaking down food into smaller molecules is known as ____.
    • A. 

      Consumption

    • B. 

      Digestion

    • C. 

      Synthesize

    • D. 

      Absorption

  • 7. 
    What is the importance of the mucins that are released by salivary glands?
    • A. 

      They stimulate the release of lipase to aid in the break down of fats.

    • B. 

      They release amylase to break down carbohydrates.

    • C. 

      They are glycoproteins that make food slippery enough to slide easily through the esophagus.

    • D. 

      They are glycoproteins that aid in the digestion of proteins.

  • 8. 
    Over-the-counter medications for acid reflux or heartburn block the production of stomach acid. Which of the following cells are directly affected by this medication?
    • A. 

      Parietal cells.

    • B. 

      Chief cells.

    • C. 

      Lymp cells.

    • D. 

      Blood cells

  • 9. 
    When you are jogging, your muscles are using more oxygen & releasing more carbon dioxide into the blood than when you are at home on the couch. Which of the following would occur during your jog?
    • A. 

      The heart rate would decrease

    • B. 

      Respiration would decrease

    • C. 

      Respiration would increase.

    • D. 

      This would cause hyperventilation

  • 10. 
    After a large meal the production of insulin will increase. After fasting the production of glucagon will increase.
    • A. 

      True

    • B. 

      False

  • 11. 
    Which is most likely to have mouthparts modified into long, thin, hollow extensions?
    • A. 

      Deposit feeders

    • B. 

      Fluid feeders

    • C. 

      Mass feeders

  • 12. 
    Lipids are molecules that  are absorbed from the lumen of the small intestine into epithelial cells through simple diffusion?
    • A. 

      True

    • B. 

      False

  • 13. 
    In what way does hemoglobin act as a buffer against changes in blood pH?
    • A. 

      Hemoglobin binds some of the excess ions released by cellular respiration.

    • B. 

      Does not, ph balance is maintained at 7.35-7.45.

    • C. 

      Hemoglobin binds to hco3 to decrease the ph

    • D. 

      Hemoglobin binds some of the excess protons released by carbonic acid.

  • 14. 
    Where does the chemical digestion of proteins begin?
    • A. 

      The stomach

    • B. 

      The mouth

    • C. 

      The small intestine

    • D. 

      The liver

  • 15. 
    The oxygen content of water increases linearly with increase oxygen partial pressure while the oxygen content of blood increases in a sigmoidal fashion. Why?
    • A. 

      Hemoglobin exchanges o2 for Co2

    • B. 

      Ionic bonds are formed within the tiretry protein of the hemoglobin

    • C. 

      Hemoglobin shows cooperative oxygen binding.

    • D. 

      Blood is negative pressure and therefor react with the blood to increase the sigmoidal value

  • 16. 
    Which of the following is the correct sequence of terms describing fluid movement throughout the vessels & tissues of the body, starting with the circulatory system?
    • A. 

      Blood--> blood--> interstitial fluid--> lymph

    • B. 

      Blood--> interstitial fluid--> lymph-->Interstitial fluid

    • C. 

      Interstitial fluid--> lymph--> blood

    • D. 

      Blood--> interstitial fluid--> lymph--> blood.

  • 17. 
    Which of the following mechanisms are used to regulate blood pressure in the closed circulatory system of vertebrates?
    • A. 

      Force of heart contraction

    • B. 

      Blood volume

    • C. 

      Constriction and dilation of blood vessels

    • D. 

      Release of catecholamines