Back to quiz

6. the valves that prevent backflow of blood during ventricular relaxation are the

  • ventricular valve
  • semilunar valves
  • aortic valve
  • bicuspid valves

7. which of the following best describes the function of the effector

  • it interprets all information recieved
  • it recieves information from the control centre and produces a response
  • it recieves information from the receptor and produces a response
  • it sends information to the control centre

8. the airway is protected during swallowing because

  • the pharynx moves down to cover the oesophagus
  • the larynx moves down to cover the trachea
  • the larynx moves up and is covered by the epiglottis
  • the pharynx moves up and is covered by the epiglottis

9. Which side of the heart contains oxygenated blood?

  • Both Sides
  • Only the right side
  • Only the left side
  • Both the atria and the ventricles

10. the nervous system contain special cells called

  • neurotransmitt
  • neurons
  • neurofibrils
  • axons

11. the common passage for both air and food is the

  • pharynx
  • oesophagus
  • trachea
  • lung

12. in order, on its way to the exterior urine passes through the

  • none of the above
  • glomerulus, collecting duct, calyx, urethra, bladder and ureter
  • collecting duct, calyx, renal pelvis, ureter, bladder, urethra
  • renal pelvis, collecting duct, calyx, ureter, bladder, urethra

13. which of the following is not regulated by a negative feedback mechanism

  • blood clotting
  • blood pressure
  • body temperature
  • blood glucose levels

14. The cell membrane is very specialised because

  • cells bringing O2 and other nutrients can pass through it
  • only selective substances can enter the cell through the membrane
  • O2 and other gases are the only substances capable of crossing the membrane
  • only harmless substances may enter the cell through the membrane

15. Which of the following is listed in the correct order

  • receptor, efferent pathway, control centre, afferent pathway, effector
  • effector, efferent pathway, afferent pathway, control centre, effector
  • Receptor, afferent pathway, control centre, efferent pathway, effector
  • control centre, efferent pathway, receptor, afferent pathway, effector

16. The two body systems that regulate homeostasis are

  • cardiovascular and endocrine systems
  • endocrine and respiratory systems
  • nervous and endocrine systems
  • nervous and cardiovascular systems

17. Human beings are able to maintain a certain constancy of their internal environment. This statement refers to:

  • positive feedback mechanisms work
  • the homeostasis of the body
  • physiology of the vascular system
  • direct control of cell activities by nucleus

18. the brain stem consists of the following parts

  • mid brain, pons and medulla oblongata
  • medulla oblongata, cerebrum, cerebellum
  • mid brain, cerebrum, pons
  • cerebrum, cerebellum, pons

19. the sternum is located in the

  • under the clavical
  • lower leg
  • chest cavity
  • upper arm

20. the hollow space in the middle of bone is filled with

  • tissue fluid
  • blood cells
  • bone marrow
  • bone cells