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
What is stridor?
A harsh, shrill sound caused by a partially obstructed windpipe (sounds like a seal barking)
What is rhonci?
A snore-lie sound caused by partially obstructed airways
What is blood pressure?
The pressure that the blood experts against the wall of the artery as it passes through them
What body system is responsible for growth and development, metabolism, and reproduction?
The endocrine system
Which body system consists of the heart and small blood vessels?
The cardiovascular system
What are the parts and functions of the integumentary system?
Consists of hair, skin, and nails. Is responsible for forming the body’s external covering, protects tissue injuries, and helps regulate body temperature
What are the parts and functions of the skeletal system?
Consists of your bones and joints and protects and supports the organs and muscles, and stores minerals
