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left ventricle and right atrium
Systematic circulation is connected to which two chambers of the heart
Pulmonary vein, left atrium, left ventricle
A correct sequence for blood flow in the adult human heart is
In a molecule if CO2 released into the blood in your left toe travels out of your nose, it must pass through all of the following structures except
If a molecule of oxygen gas enters your body through your nose and ends up in your liver, it must travel through each of the following except:
there would be back flow of blood into the right ventricle
If damage occurs to the pulmonary semi lunar valve in the heart
Both cannot exchange gasses and nutrients across their walls
Which is true of both arteries and veins?
Systolic contraction would still occur, but diastolic relaxation could not occur
What would happen to a mammalian heart if the nerves leading to it were severed
The pacemaker of the human heart, at which intrinsic beat of the heart muscle is initiated, is technically called the
Scar tissue forms in portions of the heart as a result of infection. If scar tissue formed around the A-V node and blocked the node from signals, which of the following parts of the heart would no longer contract?
If the AV bundle was surgically removed, which of the following parts of the heart would probably fail to contract?
Muscle action occur and the veins have one way valves
In order for blood to be brought back properly from the lower extremities of the body of the heart it is necessary that
pulmonary artery and superior vena cava
Which of the following structures does not lead into or out of the left side of the heart?
Pulmonary ventilation, external respiration, internal respiration, gas exchange
What are some basic processes for respiration
PO2= 78% x 14.7lbs./in^2
What is the correct calculations for PO2 for atmospheric oxygen at sea level:
The device commonly used to measure the amount of air exchange during breathing is called a spirometer
Aids in mastication, plays a major role in swallowing, is a major sensory organ for taste, is a major organ for speech
What are functions of the tongue?
There are __ teeth in the normal adult mouth which are replacements for the __ deciduous teeth that are lost during childhood:
diameter of the intestinal tube
Which of these characteristics increases as one move from the ileum to the cecum?
an ileocecal sphincter
At the location where the small intestine joins the large intestine, there is:
contributes to the digestive process, helps regulate glucose levels in the blood
The liver functions:
is the proximal end of the large intestine, contains bacteria, has the appendix attached to it, is at the location where the ileum joins the large intestine
breaks large food particles into small food particles, increases the efficiency of mechanical digestion, occurs in the mouth and the stomach
strong peristaltic waves, ingested food is moved with stomach secretions by mixing waves
What describes the movement of food in the stomach?
From a psychological standpoint, the elements sodium, potassium, chlorine and phosphorus are considered to be:
do not get enough glucose into their cells, have cells with low energy levels, have increased blood glucose levels, produce urine containing large amounts of glucose
People with uncontrollable diabetes:
That some meals, especially breakfast trigger mass movements in the colon, that movement of feces into the rectum initiates the defecation reflex
Your friend Reg Yular noticed that every morning after breakfast, he had a bowel movement, regardless of the amount he ate. Since he knows you are a student of physiology, he inquires why this happens. You explain:
Your friend, Ima Tense has an ulcer. You explain to her that is it probably a pathogen called helicobacter pylori, which is a strain of:
Vitamins that cannot be produced by the body and must be obtained through diet are:
production of energy, normal cell division and growth, synthesis of blood clotting proteins, protein synthesis
Vitamins are involved in:
Increases energy usage, Elevates temperature and causes an oxygen debt, which will elevate a person's metabolic rate, Epinephrine levels will increase, resulting in increased blood glucose, which can depress the hunger center in the brain
What are reasons why exercise would help a person lose weight?
Yes protein is broken down to form amino acids, which can only be used to form new proteins
Will eating a diet that contains only protein prevent a person from increasing their amount of body fat, regardless of how much they eat?
They are considered to be part of the immune system
Doctors are hesitant to remove tonsils now because
It holds food in place, it aids swallowing, it has taste receptors
The tongue is an important part of the digestive system because
The digestion and utilization of which nutrient creates the greatest need for regulation by the kidneys?
urea is less toxic than ammonia
The advantage of excreting wastes as urea rather than as ammonia is that:
The sphincter muscle which controls passage of urine from the bladder to the urethra is voluntary
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