15 Questions
What is active hyperaemia?
Increased blood flow due to sympathetic neurogenic mechanism
What is a possible cause of passive hyperaemia?
Impaired exit of blood through venous pathways
How is oedema formation primarily driven?
By the release of vasoactive substances
What is an example of localised oedema?
Blushing (flushing of the skin in response to emotion)
Which condition is associated with generalised oedema?
Menopausal flush
Which staining method is used to visualize Mycobacteria in clinical samples such as sputum, CSF, and pus?
Ziehl-Neelsen (ZN) stain
What is the main reason for the acid-fastness of Mycobacteria?
High content of mycolic acid
What are Mycobacteria primarily known as due to their resistance to decolorization by acids after staining?
Acid-fast bacilli (AFB)
Which part of the Mycobacterial cell wall contributes to their resistance to ordinary staining methods like Gram stain?
Polysaccharides (arabinogalactan)
What are the typical characteristics of Mycobacteria when visualized under a microscope using Ziehl-Neelsen (ZN) stain?
Red, straight or slightly curved rods, singly or in small groups
What is the main function of the Autonomic Nervous System (ANS)?
Coordinate activities to keep internal conditions stable
Which part of the nervous system is responsible for controlling involuntary physiological functions?
Autonomic Nervous System (ANS)
What does the term 'autonomic' reflect about the processes regulated by the ANS?
Largely automatic or involuntary nature
Which part of the nervous system implements many of the physiological responses initiated by the hypothalamus?
Autonomic motor system
Where are the circuits that regulate the autonomic nervous system located?
Brain stem and spinal cord
Test your knowledge of active and passive hyperaemia, mechanisms of oedema formation, types of oedema, and disorders associated with oedema in this pathology quiz.
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