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PBS Unit 2.1 Vocab
| Term | Definition |
|---|---|
| ATP (adenosine triphosphate) | Adenosine triphosphate is an organic compound that provides energy to drive and support many processes in living cells, such as muscle contraction, nerve impulse propagation, condensate dissolution, and chemical synthesis |
| Biomolecules | a molecule that is produced by a living organism |
| Blood pressure | a measure of the force that your heart uses to pump blood around your body. |
| Cancer | a disease caused by an uncontrolled division of abnormal cells in a part of the body. |
| Chemical Reaction | Chemical reactions that take place inside living things are called biochemical reactions. The sum of all the biochemical reactions in an organism is referred to as metabolism. Metabolism includes both exothermic (heat-releasing) chemical reactions and end |
| Cholesterol | a compound of the sterol type found in most body tissues. Cholesterol and its derivatives are important constituents of cell membranes and precursors of other steroid compounds, but a high proportion in the blood of low-density lipoprotein (which transpor |
| demeanor | Your demeanor is your outward behavior. It includes the way you stand, the way you talk, your facial expressions, and more. Someone with a friendly demeanor might smile a lot and look you in the eye while talking to you. |
| diagnosis | diagnosis, the process of determining the nature of a disease or disorder and distinguishing it from other possible conditions. |
| Diastole | Diastole is when the heart muscle relaxes. When the heart relaxes, the chambers of the heart fill with blood, and a person's blood pressure decreases. |
| diastolic pressure | measures the pressure in your arteries when your heart rests between beats. |
| Empathy | Empathy is about awareness of other people's emotions and understanding their feelings. Compassion is about taking action in response to empathy. Both are critical for establishing trust with patients and providing care that meets their needs; however, em |
| erythrocytes | Erythrocytes, red blood cells (RBC), are the functional component of blood responsible for the transportation of gases and nutrients throughout the human body. Their unique shape and composition allow for these specialized cells to carry out their essenti |
| glucagon | Glucagon is a hormone that your pancreas makes to help regulate your blood glucose (sugar) levels. Glucagon increases your blood sugar level and prevents it from dropping too low, whereas insulin, another hormone, decreases blood sugar levels |
| HDL | HDL (high-density lipoprotein) cholesterol, sometimes called “good” cholesterol, absorbs cholesterol in the blood and carries it back to the liver. The liver then flushes it from the body. High levels of HDL cholesterol can lower your risk for heart disea |
| Heart Rate | Your pulse rate, also known as your heart rate, is the number of times your heart beats per minute. A normal resting heart rate should be between 60 to 100 beats per minute, but it can vary from minute to minute. |
| HIPAA | The Health Insurance Portability and Accountability Act of 1996 (HIPAA) is a federal law that required the creation of national standards to protect sensitive patient health information from being disclosed without the patient's consent or knowledge |
| homeostasis | Homeostasis is any self-regulating process by which an organism tends to maintain stability while adjusting to conditions that are best for its survival. |
| hormones | Hormones are chemicals that coordinate different functions in your body by carrying messages through your blood to your organs, skin, muscles and other tissues. These signals tell your body what to do and when to do it. Hormones are essential for life and |
| Hypertension | Hypertension (high blood pressure) is when the pressure in your blood vessels is too high (140/90 mmHg or higher). I |
| insulin | a hormone produced in the pancreas by the islets of Langerhans, which regulates the amount of glucose in the blood. The lack of insulin causes a form of diabetes. |
| LDL | LDL (low-density lipoprotein) cholesterol, sometimes called “bad” cholesterol, makes up most of your body’s cholesterol. High levels of LDL cholesterol raise your risk for heart disease and stroke. |
| Leukocytes | a colorless cell that circulates in the blood and body fluids and is involved in counteracting foreign substances and disease; a white (blood) cell. There are several types, all amoeboid cells with a nucleus, including lymphocytes, granulocytes, monocytes |
| Medical History | medical history includes an inquiry into the patient's medical history, past surgical history, family medical history, social history, allergies, and medications the patient is taking or may have recently stopped taking |
| metabolism | Metabolism refers to all the physical and chemical processes in the body that convert or use energy, such as: Breathing. Circulating blood. Controlling body temperature. |
| negative feedback loop | A negative feedback loop occurs in biology when the product of a reaction leads to a decrease in that reaction. In this way, a negative feedback loop brings a system closer to a target of stability or homeostasis |
| plasma | Plasma is a yellowish liquid in your blood that carries platelets, red blood cells and white blood cells around the body. Plasma makes up approximately 55% of your blood, and contains antibodies, known as immunoglobulins, which fight infection. |
| positive feedback loop | Positive feedback loops enhance or amplify changes; this tends to move a system away from its equilibrium state and make it more unstable. Negative feedbacks tend to dampen or buffer changes; this tends to hold a system to some equilibrium state making it |
| Pulese | the regular expansion of an artery caused by the ejection of blood into the arterial system by the contractions of the heart |
| respiratory rate | Your respiratory rate, or your breathing rate, is the number of breaths you take per minute. |
| risk factor | Health risk factors are attributes, characteristics or exposures that increase the likelihood of a person for developing a disease or health disorder |
| sphygmomanometer | an instrument for measuring blood pressure, typically consisting of an inflatable rubber cuff which is applied to the arm and connected to a column of mercury next to a graduated scale, enabling the determination of systolic and diastolic blood pressure. |
| symptoms | subjective evidence of disease or physical disturbance. broadly : something that indicates the presence of bodily disorder. |
| systole | the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries. |
| systolic pressure | measures the pressure in your arteries when your heart beats. |
| Thrombocytes | Platelets, also known as thrombocytes, are blood cells. They form in your bone marrow, a sponge-like tissue in your bones. Platelets play a major role in blood clotting. Normally, when one of your blood vessels is injured, you start to bleed |
| triage | the preliminary assessment of patients or casualties in order to determine the urgency of their need for treatment and the nature of treatment required |
| vital signs | clinical measurements, specifically pulse rate, temperature, respiration rate, and blood pressure, that indicate the state of a patient's essential body functions |
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