Chemoreceptors in the carotid and aortic bodies sense pressure differences in:

c
Chemoreceptors respond to slight increases in arterial or
cerebrospinal carbon dioxide pressures, which would stimulate an increase in respiratory rate.

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c
The Z-track method of injection is a technique used
when irritating preparations such as iron are given IM. A new
needle is attached to the syringe after preparing the drug so
that no solution remains on the outside of the needle. The
subcutaneous tissue is drawn to one side before inserting the
needle, to promote absorption and prevent skin staining and
pain.

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c
Schedule 2 drugs can be sold by the pharmacist's assist
ant, but Schedule 3 drugs need to be sold by the pharmacist
(after asking certain pertinent questions, such as history of
asthma for the sale of Nurofen Plus).

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b
Sweating, confusion, pallor and tachycardia are symptoms of hypoglycaemia. This can easily be treated with
oral glucagon (which can also be given subcutaneously or
intramuscularly).