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105 Multiple choice questions
Term 1 of 105
Step 5 of the cardiac cycle
The pressure caused by Ventricular Systole causes AV Valve to shut and causes SL valves to
open. Blood is forced up into the Aorta.
The pressure causes semilunar valves to open and blood flows into pulmonary arteries
(deoxygenated) The pressure in arteries closes the SL valves to prevent backflow.
The raising of blood pressure in Left Atrium forces Bicuspid Valve to open.
There needs to be rapid exchange (diffusion etc) between blood and tissues hence the thin
wall. They also link arteries and veins.
Definition 2 of 105
In Alveoli
- High conc of O2 and a low conc of CO2
- O2 dissolves in moisture so moist surfaces of alveoli help this to happen.
In Blood
- Low conc of O2 in blood. This means that there is a conc grad. between blood and alveoli. So
O2 diffuses from alveoli to blood. (high to low conc).
- High conc of CO2 in blood. So there is a conc grad. between blood and alveoli.
So CO2 diffuses down conc grad (high to low) from blood to alveoli.
Step 5 of Blood Flow (deoxygenated)
The formulae for cardiac output?
The Concentrations of Gases (O2 and CO2)
What happens to the process of blood flow for oxygenated blood?
,Definition 3 of 105
If the investigation is to investigate the effect of a substance (caffeine) the temp must be constant.
An unconstant temp could affect the heart rate.
25C is a suitable temp in this investigation as it ensures a high level of activity without enzyme
denaturing.
What is the ideal temperature?
What is the bpm of Sinus Arrhythmia?
What is the Rhesus System?
A punctured lung - the effects
Definition 4 of 105
Includes The Q Wave, The R Wave and The S Wave
All 3 waves occur in rapid succession
This complex indicates that the myogenic impulse is travelling across the ventricles to initiate
ventricular depolarisation (ventricular systole).
Positives Of Statins
The QRS Complex
The Structure Of Veins
Pleural Membranes
,Definition 5 of 105
1. Internal Intercostal Muscles contract and move the rib cage in and down.
2. The abs contract and push diaphragm back to dome shape.
3. The volume of thoracic cavity decreases.
4. A decrease in volume = increase in pressure compared to outside.
5. Air is forced out.
In Alveoli
- The elastic fibres shrink and increase pressure to force air out.
Expiratory Reserve Volume (ERV)
Controlling the Variables
Ventilation (Exhalation)
Mechanical Ventilation
Term 6 of 105
Safety Measures
Reduces LDL as the enzyme is inhibited in the liver.
This indicates Ventricular Repolarization (Ventricular Diastole).
Aorta relax and fill with blood from Superior and Inferior Vena Cavae
Do not mix water and electric
Wash hands after handling daphnia.
, Definition 7 of 105
Breathing rate = 1 minute/time taken for 1 breath
Respiratory Minute Ventilation = Tidal Vol x Breathing Rate
Oxygen Consumption = XR/XS (gradient of tidal vol).
The Qrs complex
Spirometer Trace calculations
Function Of arteries
The T wave
Definition 8 of 105
Carries deoxygenated blood to the left lung
Function of the Left Pulmonary Artery
Function of the Left Pulmonary Vein
Function of Veins
Step 5 of the Cardiac Cycle
Term 9 of 105
How is Rh-negative blood present in human?
An acquired trait due to environmental factors affecting blood composition.
An inherited blood protein is not present on Red Blood Cells.
A condition where red blood cells are overly abundant in the bloodstream.
A deficiency in white blood cells leading to immune issues.
105 Multiple choice questions
Term 1 of 105
Step 5 of the cardiac cycle
The pressure caused by Ventricular Systole causes AV Valve to shut and causes SL valves to
open. Blood is forced up into the Aorta.
The pressure causes semilunar valves to open and blood flows into pulmonary arteries
(deoxygenated) The pressure in arteries closes the SL valves to prevent backflow.
The raising of blood pressure in Left Atrium forces Bicuspid Valve to open.
There needs to be rapid exchange (diffusion etc) between blood and tissues hence the thin
wall. They also link arteries and veins.
Definition 2 of 105
In Alveoli
- High conc of O2 and a low conc of CO2
- O2 dissolves in moisture so moist surfaces of alveoli help this to happen.
In Blood
- Low conc of O2 in blood. This means that there is a conc grad. between blood and alveoli. So
O2 diffuses from alveoli to blood. (high to low conc).
- High conc of CO2 in blood. So there is a conc grad. between blood and alveoli.
So CO2 diffuses down conc grad (high to low) from blood to alveoli.
Step 5 of Blood Flow (deoxygenated)
The formulae for cardiac output?
The Concentrations of Gases (O2 and CO2)
What happens to the process of blood flow for oxygenated blood?
,Definition 3 of 105
If the investigation is to investigate the effect of a substance (caffeine) the temp must be constant.
An unconstant temp could affect the heart rate.
25C is a suitable temp in this investigation as it ensures a high level of activity without enzyme
denaturing.
What is the ideal temperature?
What is the bpm of Sinus Arrhythmia?
What is the Rhesus System?
A punctured lung - the effects
Definition 4 of 105
Includes The Q Wave, The R Wave and The S Wave
All 3 waves occur in rapid succession
This complex indicates that the myogenic impulse is travelling across the ventricles to initiate
ventricular depolarisation (ventricular systole).
Positives Of Statins
The QRS Complex
The Structure Of Veins
Pleural Membranes
,Definition 5 of 105
1. Internal Intercostal Muscles contract and move the rib cage in and down.
2. The abs contract and push diaphragm back to dome shape.
3. The volume of thoracic cavity decreases.
4. A decrease in volume = increase in pressure compared to outside.
5. Air is forced out.
In Alveoli
- The elastic fibres shrink and increase pressure to force air out.
Expiratory Reserve Volume (ERV)
Controlling the Variables
Ventilation (Exhalation)
Mechanical Ventilation
Term 6 of 105
Safety Measures
Reduces LDL as the enzyme is inhibited in the liver.
This indicates Ventricular Repolarization (Ventricular Diastole).
Aorta relax and fill with blood from Superior and Inferior Vena Cavae
Do not mix water and electric
Wash hands after handling daphnia.
, Definition 7 of 105
Breathing rate = 1 minute/time taken for 1 breath
Respiratory Minute Ventilation = Tidal Vol x Breathing Rate
Oxygen Consumption = XR/XS (gradient of tidal vol).
The Qrs complex
Spirometer Trace calculations
Function Of arteries
The T wave
Definition 8 of 105
Carries deoxygenated blood to the left lung
Function of the Left Pulmonary Artery
Function of the Left Pulmonary Vein
Function of Veins
Step 5 of the Cardiac Cycle
Term 9 of 105
How is Rh-negative blood present in human?
An acquired trait due to environmental factors affecting blood composition.
An inherited blood protein is not present on Red Blood Cells.
A condition where red blood cells are overly abundant in the bloodstream.
A deficiency in white blood cells leading to immune issues.
