cupcakes
Which of the following is a function of a valve?
Regulates heart rate or regulates the direction of blood flow through the heart
regulates the direction of blood flow through the heart
Blood pressure is lowest in the:
Aorta or inferior vena cava
inferior vena cava
What are ventricles doing during atrial contraction?
Relaxing
Referring to the ECG, the P wave represents:
Atrial contraction or atrial depolarization
atrial depolarization
Normal blood Ph
7.35-7.45
Jugular vein distention is most associated with:
Low volume shock right-sided heart failure or right-sided heart failure
right-sided heart failure
Vagal stimulation to the heart causes:
Stroke volume to increase or heart rate to slow
Heart rate to slow
Furosemide (Lasix), a potent diuretic, is administered in acute ventricular failure to:
relieve pain or excrete excess water and relieve the edema
Excrete excess water and relive the edema
The right ventricle pumps blood to the
pulmonary artery
A person has an infection and his phagocytes respond appropriately by releasing pyrogens, thereby resetting the body’s thermostat. What happens next?
He shivers, thereby producing heat
Phagocytosis:
Is mediated through antibodies or does not require a specific antigen
does not require a specific antigen
Which of the following is most associated with a blood clot?
Rh factor or Fibrin strands
Fibrin strands
Which of the following is not true of the Valsalva maneuver?
Forced exhalation increases pressure in the chest or Forced exhalation decreases pressure in the chest
Forced exhalation decreases pressure in the chest
Main vein that drains the brain
Jugular
Plasma:
gives blood its red color or is the fluid part of the blood
the fluid part of the blood
heart rate and stroke volume determine:
Cardiac output or the size of the heart valves
Cardiac output
Which of the following is true of vasoconstriction?
Caused by parasympathetic nerve stimulation or increases SVR
increases SVR
What describes an artery?
In which condition is the pedal pulse absent?
Portal vein hypertension or Occlusion of the arteries in the leg
Occlusion of the arteries of the leg
What is the term that refers to the difference between the systolic and diastolic blood pressure readings?
Cardiac output or pulse pressure
pulse pressure
Bilirubin is a breakdown product of:
Platelets or RBC
RBC
Blood flow is slowest in the:
Venules or capillaries
Capillaries
A sphygmomanometer measures:
blood pressure
Heart rate is slowest if the pacemaker activity signal originates in the:
SA node or ventricular pacemaker cells
ventricular pacemaker cells
A tight collar might trigger the baroreceptor reflex because the:
carotid baroreceptors sense a change in the osmolarity of the blood flowing through the carotid arteries OR carotid baroreceptors interpret the elevated carotid pressure as an elevation of blood pressure.
carotid baroreceptors interpret the elevated carotid pressure as an elevation of blood pressure.