The Nurse Teaching a Diabetic Client Who Has Just Started

question 39

Multiple Choice

The nurse teaching a diabetic client who has just started insulin therapy would include the instruction to

• A) draw up short-acting insulin before longer-acting insulin.
• B) inject at a 30-degree angle.
• C) routinely aspirate before injecting.
• D) shake short-acting insulin vigorously to mix it.

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Definitions:

Receptor Molecules

Molecules, usually found on cell surfaces, that recognize and bind to specific substances, triggering a response.

Neurotransmitter

A chemical substance that is released at the end of a nerve fiber by the arrival of a nerve impulse and, by diffusing across the synapse, causes the transfer of the impulse to another nerve fiber, a muscle fiber, or some other structure.

Ligand-Gated Channels

Ion channels in cell membranes that open or close in response to the binding of a chemical signal (ligand), allowing ions to pass through the membrane.

Synaptic Vesicles

Membrane-bound sacs within presynaptic neurons that store neurotransmitters, which are released into the synaptic cleft to transmit signals to other neurons.