A negative feedback loop works to do what?
Reverse back to homeostasis
List the components of blood:
Plasma, RBCs, WBCs & Platelets
Pulmonary arteries transport blood to:
The Lungs
Difference between adaptive and Innate immunity
Adaptive = memory & specific
Innate = rapid & nonspecific
In low blood CO2 levels, what happens to my respiratory rate?
It decreases
What is the role of Parathyroid hormone?
Increase blood calcium levels
Arteries carry blood towards the heart (T or F)
False
List the layers of the blood vessel walls from superficial to deep
Tunica Externa -> Tunica Media -> Tunica Intima
What is the function of a Neutrophil?
Defense against bacteria
The trachea is part of which zone? Conducting or Respiratory
Conducting
Type 1 diabetes is an defined as:
autoimmune destruction of beta cells
Name the types of Agranulocytes:
Lymphocytes
Monocytes
What is the purpose of valves and what blood vessel are they mainly found in?
The prevent backflow of blood; found in veins
Describe a Type 1 Hypersensitivity
- rapid onset
- secrete histamine (inflammatory response), and vasoactive chemicals
False
Give an example of a hydrophobic and hydrophilic hormone:
Cortisol = hydrophobic
Insulin = hydrophilic
During an EKG what is happening in the QRS complex

Ventricular depolarization
Hypothalamic releasing hormones affect which gland directly?
Anterior Pituitary
Natural killer cells are part of the innate or adaptive immune system?
Innate
During expiration, how does my respiratory muscles move? (Diaphragm & Intercostals)
Diaphragm relaxes (moves upward)
External intercostals relaxes (moves down)
What hormones are stored in the posterior pituitary gland?
Oxytocin & ADH
Vena cava -> Right Atrium -> Tricupsid -> Right ventricle -> Pulmonary valve -> Pulmonary trunk -> Pulmonary arteries -> Lungs -> Pulmonary veins -> Left atrium -> Bicupsid valve ->Left ventricle -> Aortic valve -> Aorta
Calcitonin works to do what?
- responds to high blood calcium levels & stimulates osteoblast activity to reduce blood calcium levels and increase bone calcium levels
What must occur before T cells can attack foreign matter?
The antigen must first be recognized and presented by the antigen-presenting cells (APCs)
List the order of air traveling through the respiratory system.
Nasal cavity -> Pharynx -> Larynx -> Trachea -> Bronchi -> Bronchioles -> alveoli