A Patient Who Is Unconscious and Has a Pulse Is

question 6

Multiple Choice

A patient who is unconscious and has a pulse is brought to the emergency department. The patient is wearing a Medic-Alert bracelet indicating type 1 diabetes mellitus. The nurse will anticipate an order to administer:

• A) cardiopulmonary resuscitation (CPR).
• B) glucagon.
• C) insulin.
• D) orange juice.

Recognize the basic principles of membrane potential and its impact on neuron function.

Identify the characteristics and implications of action potentials in neurons.

Describe the functions and properties of ion channels and their role in neuron activity.

Understand the mechanisms underlying synaptic transmission and the types of synapses.

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Definitions:

Pyrimidines

A type of organic compound, characterized by a single six-membered ring, that includes cytosine, thymine, and uracil, essential components of nucleic acids.

Telomerase

A special DNA replication enzyme that can lengthen telomeric DNA by adding repetitive nucleotide sequences to the ends of eukaryotic chromosomes; typically present in cells that divide an unlimited number of times.

Cancerous Cells

Cancerous cells are abnormal cells that divide uncontrollably and have the potential to invade and spread to other parts of the body, forming tumors.

Telomere Length

The length of the protective caps at the end of chromosomes, which shortens with each cell division and is associated with aging.