central nervous system
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Q. The medulla oblongata, pons
and midbrain are all components of the:
Q. Which area of the brain
is responsible for involuntary respiratory regulation?
A. Medulla oblongata
Q. Pathological changes in the hypothalamus would not directly
A. Motor coordination
Q. The area of the brain involved in motor coordination is the:
Q. A characteristic of a drug that could enable it to pass easily
through the blood–brain barrier would be:
A. High lipid solubility
Q. With regards to the action potential:
A. During depolarisation sodium flows into the cell viavoltage-gated channels
Q. Systems for removal of a transmitter from the synapse do not
A. Absorption into the receptor
Q. Which type of neurotransmitter is involved in cognition, memory
consciousness and motor control?
Q. Which of the following statements is correct in relation to
theories of neurotransmitter imbalances and disease states?
A. In schizophrenia there is an excess of DA
Q. The symptoms of dementia could potentially be alleviated by
A. Increase levels of Ach
Q. A characteristic of stage 3 anaesthesia is:
A. Paralysis of intercostal muscles and loss of reflexes
Q. Which is the current best theory of the mechanism of action of
A. Modulation of activity of transmitter-gated ion channels
Q. An optimal anaesthetic agent will have:
A. Low blood and tissue solubility
Q. What occurs in a situation of ‘balanced anaesthesia’?
A. The anaesthesia is undertaken using a combination of drugs
Q. The interaction between general anaesthetics and drugs such as
opioids and alcohol could lead to:
A. Potentiation of CNS depression
Q. An example of an inhalational anaesthetic is:
Q. The mechanism of action of local anaesthetics is to:
A. Block voltage-gated sodium ion channels
Q. An adverse effect of administration of a local anaesthetic
containing adrenaline is:
Q. The uncharged amine form of local anaesthetics is:
A. Lipid soluble and can enter cells
Q. Which technique for local anaesthesia used in obstetric procedures
and foot and hand surgery involves injecting the anaesthetic near the nerve
trunk to the affected area?
A. Nerve block
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