Test#3 Flashcards
Lessons 11, 12
In adaptive immunity what are the cells called that remember a foreign antigen?
Memory cells
What are the most commonly used pulse sites
Popliteal, Femoral, Dorsalis, pedis (pedal) artery
Where are the most numerous valves located in the body?
Legs
Which artery supplies the small intestine?
Mesenteric
What is the purpose of the immune system?
Surveillance, defending maintaining balance (homeostasis)
What is natural acquired passive immunity
Type of immunity results when baby is born temporarily immune to same disease as mother
What controls blood pressure
Starlings law, Renin-angiotensin mechanism, heart, and kidney
Which WBC is the most numerous phagocyte?
Neutrophils
Which artery serves the pelvis?
Internal iliac
Define ‘anemia’
Low levels of hemoglobin and RBC’s that are classified as hypochromic
Define ‘hemorrhage’
Acute loss of blood from a blood vessel, pulse becomes higher and blood pressure drops
What is used to check the electrical activity of the heart?
ECG
What is the hormone that is produced to promote RBC formation?
Erythropoietin
What is blood doping?
Using blood transfusions to increase oxygen delivery to muscles during athletic events
Which vessels collect blood from capillaries and return it to the heart?
Veins
What is lacking in the blood with someone with Hemophilia?
Clotting factor VIII (8)
Define ‘aneurysm’
Section of an artery that has become abnormally widened
Which vein drains the liver?
Hepatic
What is an embolus?
Part of a clot that has become dislodged
Define ‘Tachycardia’
Fast heart rate over 100bpm
In pregnancy, where could difficulty arise with the RH blood factor?
When a RH negative woman and a RH positive man have a baby
What is the name of the hearts ‘ natural pacemaker’?
SA node
What structure bypasses the liver in fetal circulation?
Ductus-venosous
The lymphatic system is also part of the _________ system.
Circulatory
Know the layers of the artery
Tunica external (outer layer), Tunica Media (middle layer), Tunica intima (inner layer)
What term describes the electrical activity that triggers contraction in the heart?
Depolarization
The ‘thigh’ is supplied by the ______ artery.
Femoral
What age group is the thymus function most important?
Early childhood
What is the largest artery of the body?
Aorta
Why is the middle layer of the vein thin?
It does not regulate BP(blood pressure)
What should a person who is allergic to latex avoid?
Condoms
What blood cell carries the most O2?
RBC’s (red blood cells)
_________ is released during an allergic response.
_________ is what counteract it.
Histamine;
Antihistamine
What is the best way to limit use of hypertension medication?
Lose weight
What is the pH of the blood?
Slightly alkaline
7.3-7.7
What is the purpose of the ‘hepatic portal circulation’?
Removing excess glucose and storing it in the liver as glycogen, removing various poisonous substances in blood, and detoxifying blood
What does ‘systole’ refer to?
Contraction
What system is the spleen a part of and where is it located?
Lymphatic system; under the diaphragm
What are the Signs and Symptoms of inflammation?
Swelling, pain, warmth
Antibodies are ______ molecules.
Protein
Define hemorrhoids
Varicose veins that are swollen and distended, can occur during pregnancy, or sitting or standing for long periods of time
Define ‘gangrene’
Necrosis (dead cella/skin) that has progressed to blackened decay
What is the ‘fluid’ present between the pericardial membranes of the heart?
Serous
What happens to the ‘arterioles’in the dermis when exposed to cold weather
They constrict to conserve heat
Vaccines contain a non-pathogenic antigen that stimulate production of _________ and memory cells.
Antibodies
