KAHOOT: REVIEW Flashcards
What is the “lubb” heart sound due to?
closure of AV valves
Which heart chamber receives oxygenated blood from the lungs?
left atrium
Which valve is also called the mitral valve?
Bicuspid valve
Which structure is found between the atria and the ventricles?
coronary sulus
which cranial nerve is activated by the sympathetic nervous system in order to increase the heart rate?
vagus nerve
The amount of blood pumped out of the ventricles during a single contraction is called?
stroke volume
which part of the vessel wall will the valves be made of?
tunica intima
what type pf capillaries have small pores in them?
fenestrated
which type of immunity is specific to certain antigens?
acquired
which lymphatic structure will filter lymph fluid?
lymph node
which part of the conduction system is the pacemaker?
SA node
pulse pressure =
systolic-diastolic
blood pressure is higher in arteries than in veins
true
which part of the EKG shows ventricular depoloarization?
QRS compled
which type of blood vessel allows for exchange of nutrients and gases across it?
capillaries
which pressure, of the following is usually equal to zero?
interstitial hydrostatic pressure
which pressure will draw fluid into the blood due to the presense of plasma proteins?
blood colloid osmotic pressure
which part of the cardiac center will decrease heart rate and slow electrical signals?
cardioinhibitory center
which immunoglobulin is most numerous?
IgG
which immunoglobulin is able to cross the placenta?
IgG
which immunoglobulin is responsible for transfusion mismatches?
IgM
which fetal structure allows blood to move from the pulmonary trunk to the aorta, bypassing the lungs?
ductus arteriosus
which type of immunity results from direct encounters within the pathogen?
active
herd immunity is due to large portion of the population being resistant to a disease, leaving less people to infect
true
which hormone will be released when blood pressure is high?
atrial natriuretic hormone
increase of which of the following will cause chemoreceptors to increase blood pressure and send blood to the lungs?
carbon dioxide
which will cause resistance to increase? choose all that apply
smaller vessel radius
larger vessel radius
less particles in blood
more particles in blood
smaller vessel radius
more particles in blood
what type of artery is in the aorta?
elastic
the heart is positioned to the ____ of the midline?
left
