Muscle Physiology
A motor neuron and all the muscle fibers it innervates is called this.
What is a motor unit?
This structure found in red blood cells can bind with up to 4 oxygen molecules
What is hemoglobin?
The mechanical and chemical breakdown of food in the mouth forms it into this object.
What is a bolus?
The body spares glucose for this important organ
What is the brain?
The mixture of gastric juice and food is called ___
In the contraction cycle, this molecule is needed to break the cross-bridge.
What is ATP?
John takes a drug that causes his blood pressure to increase. It's most likely causing this to his blood vessels.
What is vasoconstriction?
Parietal cells secrete this, which helps with the absorption of vitamin B12.
What is intrinsic factor?
This hormone dominates in the absorptive state.
What is insulin?
In skeletal muscle, each myofiber is surrounded by this type of connective tissue
What is the endomysium?
Calcium binding to troponin causes this structure to move and allow actin to bind to myosin.
What is tropomyosin?
When all the valves in the heart are closed, this phase in the cardiac cycle is called _____.
What is Ventricular Systole (initial phase) OR isovolumetric contraction
Trypsin, Pepsin, Chymotrypsin, and Carboxypeptidase all function to catabolize this major organic molecule
What is protein?
When there is more catabolism of molecules than anabolism, the body is in this state
What is the postabsorptive state?
A blood clot that flows throughout the cardiovascular system is called a _____
What is a pulmonary embolism?
Endurance training can train type 2b muscles into this muscle fiber type.
What is type 2a/fast oxidative?
This law states that the higher the EDV is, the higher the SV is.
What is the Frank-Starling Law?
Kendall's body is not producing enough bile, meaning this organ is malfunctioning.
What is the liver? (the gall bladder stores and releases it!)
Gabe is on a keto diet and doesn't eat any form of starch or carbohydrate. The protein he eats must undergo this process to help the brain.
What is gluconeogenesis?
In an ECG, the depolarization of ventricles is represented by
What is the QRS complex?
Metabolizing lactic acid requires the muscles to bring in oxygen. Once it gets back to pre-exercise levels, it is called ____.
What is excess post oxygen consumption (EPOC)?
B Cells, T Cells, and Natural Killer Cells are all a part of this classification of cells found in the blood.
What are agranulocytes?
Chylomicrons are the repackaged form of this molecule, making it easier to transport throughout the body.
What are lipids?
Neuroprotein Y (NPY), released from the arcuate nucleus, must pass through this structure's neurons.
What is the ventromedial nucleus?
Ethan's MAP is 100 mmHg and his diastolic pressure is 70 mmHg. From the information given, calculate his pulse pressure.
Formula: MAP = diastolic + (pulse pressure / 3) mmHg
What is 90 mmHg?