Question | Answer |
Sound vibrations first vibrate | Oval window |
Hair cells are embedded into what structure in the inner ear? | Basilar membrane |
Why are steroids so dangerous? | Membrane permeable so they go everywhere in the body, affect gene activity permanently, powerful effects, effect immune system and stress responses |
Hormones 1&2 have effects A&B. Synergistic effects might have | 10 x (A+B) effects |
Which of the below best describes pre-adult HGH homeostasis? | Fairly regular oscillations in [HGH] |
Which is most closely associated with too high (thyroxine)? | Graves disease |
The maximum number of oxygen molecules (O2) that can bind to a SINGLE hemoglobin molecule is ___? | 4 |
Which WBC has the largest size? | Monocytes |
The vessel that carries blood with little or no oxygen (O2) from the heart to the lungs is called the ___? | Pulmonary artery |
Cardiac muscle cells have ___. The SAME as do skeletal muscles. | Myogenic automatic rhythmicity |
The cardiac pacemaker really refers to the ___? | SA node |
The cardiac factor the LEAST contributes to STROKE VOLUME is ___? | Cardiac output |
As Venous Return increases, what effects will it have on Heart Rate, Stroke Volume, and Cardiac Output? | All 3 increase |
How did Michael lose consciousness from cardiac tachycardia? | Decreased SV caused too low BP |
If the internal valves in veins stop working properly, what can be the result? | pooling blood in lower veins, varicose veins, lower max cardiac output and lower max Stroke Volume |
What is the PHYSICAL reason why blood gushes out of the arm if it is cleanly severed? | Decrease in R in arm |
What is the main reason you give a person (who has lost a lot of blood) intravenous fluids? | To increase their BP |
Which molecule affects Cardiac Output the least? | N2 |