Princ of Bio med: Diabetes, Vital signs, and medical history Flashcards
What are two examples of a negative feedback loop
Body temperature and blood sugar
What are two examples of a positive feedback loop?
Childbirth and blood clotting
What is the difference between a positive and a negative feedback loop?
A negative feedback loop reduces the outcome, creating a balance. A positive feedback loop amplifies the outcome and produces instability
What is glucose?
A sugar
What is insulin?
A hormone that turns food into energy
What is glycogen?
A form of glucose that your body stores in your liver and muscles
What is glucagon?
A hormone that your pancreas makes to regular your blood glucose
What is GLUT 4
A protein that is stimulated to go toward the plasma membrane
What are the two types of endocrine cells and where are they
Alpha cells: In the pancreas, elevate blood glucose
Beta cells: In the pancreas that make insulin
What are the stages of mitosis?
Interphase, prophase, metaphase, anaphase, telophase, and cytokinesis
What is an LDL
A low-density lipoprotein is responsible for transporting cholesterol to the cells. Build up causes high blood pressure. Healthy level- less than 100 mg/dL
What is an HDL?
A high density lipoprotein is responsible for moving excess cholesterol from the blood stream and transporting it to the liver. Healthy level- over 60 mg/dL
What is mitral regurgitation?
A type of heart murmur that occurs on the left side of the heart, mitral valve does not close and pushes blood back to the left atrium.
What is wheezing
Asthma; a high pitched whistling noise caused by narrow airways
What Is crackles (rales)
A short clicking, rattling, popping caused by narrowed air ways by fluid
