This immediate action should be performed before an AED arrives to provide enough circulation to help delay organ damage.
What is CPR
These four structures regulate one‑way blood flow through the heart, separating the atria and ventricles and guarding the exits of the major arteries.
What are the tricuspid, mitral, pulmonary, and aortic valves
This on packaged foods gives the most accurate picture of what you’re actually eating, making it more reliable than marketing terms like “natural” or “wholesome.”
What is the nutrition label
These three regions of the vertebral column appear in a strict top‑to‑bottom sequence, starting just below the skull and continuing down the back before reaching the sacrum.
What are cervical → thoracic → lumbar
This is the very first step in reaching a diagnosis, the reason the patient came to the doctor in the first place.
What is the chief complaint
When the AED announces that a shock is ready, rescuers must do this before pressing the button.
What is "Clear the Patient"
This heart sound is produced at the start of systole.
What is S1/Lub.
The phrase “no pain, no gain” is misleading because muscle growth actually occurs during this phase.
What is recovery/rest
These two arteries are commonly used to check a pulse — one found on the thumb‑side of the wrist, and the other on the inside of the upper arm near the biceps.
What are radial and brachial arteries
This lab test evaluates hemoglobin, white cells, and platelets, making it essential when investigating fatigue or possible anemia.
What is a CBC (Complete Blood Count)
This basic life support acronym reminds rescuers to assess the patient's path for oxygen, their respiration, and their pulse."
What is ABC (Airway, Breathing, and Circulation)
This is the name of the instrument used during eye exams.
What is a Fundoscope/ophthalmoscope
This macronutrient is the brain’s preferred energy source and essential for athletic performance.
Organs used for teaching are commonly stored in this chemical solution, which helps to prevent decay
This term refers to the list of possible conditions a clinician creates when the cause of a patient’s symptoms is not yet clear, and is refined by asking questions and ordering labs.
What is a differential diagnosis
When checking a patient’s oxygen saturation with a pulse oximeter, this percentage range is considered normal for a healthy teen or adult.
What is 95%-100%
This type of tympanic membrane pathology can happen when the pressure around you changes too quickly.
What is a tympanic perforation
When the body breaks down stored fat, most of the lost mass leaves the body in this form.
What is carbon dioxide
In anatomy education, this term refers to a professionally dissected specimen prepared in advance for students to study, rather than dissect themselves.
What is prosection
This mnemonic is used to assess a patient’s pain during history taking.
During one‑rescuer CPR on an adult or teen, you repeat this cycle of chest compressions and rescue breaths to keep blood and oxygen moving through the body.
What is 30 compressions: 2 breaths
To avoid bumping faces during an eye exam, the eye on this side is used if you are looking at a patient’s left eye.
What is the left side.
During deep sleep, the brain’s glymphatic system clears toxic proteins including these two associated with Alzheimer’s disease.
What are beta-amyloid and tau?
Tucked safely behind the stomach in the left upper quadrant of the abdomen, this small, fist-sized organ gets its dark purplish-black color from being packed full of filtered blood.
What is the spleen
his value on a CBC measures the average size of a patient's red blood cells, classifying anemias as microcytic, normocytic, or macrocytic.
What is MCV (Mean Corpuscular Volume)