Packed red blood cell volume is called
Hematocrit
The superior receiving chambers of the heart are called
Atria. or Right atrium and left Atrium
Atrial depolarization (contraction) occurs at what part of an EKG?
P-wave
After contacting an antigen, B-cells divide into ________ which produce antibodies.
Plasma cells
The accessory glands of the digestive system are the
liver, gallbladder, pancreas, and appendix
Thrombocytes and white blood cells are found in the
Buffy Coat
Blood leaves the right ventricle and passes through which structure to enter the pulmonary trunk?
Pulmonary semilunar valve
Why is the QRS complex so large compared to other waves on the EKG?
There is a larger amount of electricity needed to stimulate the thicker myocardium of the ventricles, primarily the left ventricle.
Name 4 mechanical barriers for defense against pathogens in the body.
Mucus, tears, saliva, hair, skin, eyelashes
The movement of food along the length of the GI tract is done by rhythmic motions called
peristalsis.
How many iron molecules can attach to one hemoglobin?
4
Right and left coronary arteries.
The first heart sound "lup" is made by closure of the __________ valves and occurs during ________ contraction.
atrioventricular (tricuspid and bicuspid); ventricular
Neutrophils and Monocytes
Identify which macronutrient these enzymes digest:
lipase
peptidase
Trypsin
Sucrase
Bile salts
Lipase - fats
Peptidase - Proteins
Trypsin - proteins
Sucrase - Sucrose (disaccharide to mono)
Bile salts - fats (by emulsification)
Someone with Type O blood will have ___ antigens and _____ antibodies.
No antigens, both A & B Antibodies
What is the longest vein is the body and where is it found?
Great saphenous found in the medial lower extremity. (Thigh down to the foot)
Trace the path of the conduction system through the heart.
SA Node (R Atrium) - AV Node - AV Bundle (of His) - R and L Bundle Branches - Purkinje Fibers
Differentiate the areas drained by the right lymphatic duct and thoracic duct.
Right lymphatic duct: Upper right quadrant of the body (right arm, right shoulder, right side of torso, neck and head)
Thoracic duct: everything else.
Name the 3 salivary glands.
Parotid - Largest in cheek
Submandibular - under jaw
Sublingual - under tongue
Name the leukocytes and give their roles in the body.
Neutrophil - general infection fighting
Basophil - release histamine, allergies
Eosinophils - reddish appearance, fight parasites
Monocytes - become macrophages, fight many things including viruses and old cell debris
Lymphocytes - Help build specific immunity
What are 2 ways I can increase cardiac output?
Increase heart rate or increase stroke volume (the amount of blood that leaves the left ventricle with each contraction)
If blood pressure is too high leaving the heart, aortic baroreceptors send a message to the _________ which coordinates a parasympathetic signal to the ____ Node in the heart to slow and lessen contractions.
Brain stem (medulla), SA node primarily
Fluid forced out of the plasma is called ______ fluid, while fluid entering lymph capillaries is called ______.
Tissue; Lymph
From inside to superficial, what are the layers of the small intestine.
Mucosa, submucosa, muscular layer, serosa