Final TQ's Flashcards
electrocardiograms provide info about all the following except:
- mass of the myocardium
- mechanical effectiveness of the heart
- heart rhythm
- direction of electrical current flow in the heart
-mass of the myocardium
the major force that moves lymphatic fluid when standing up is:
-skeletal muscle contraction
lymphatic fluid flows from:
-capillaries to the lymphatic ducts
which of the following physiological events causes edema?
-leakage of protein into the interstium from the blood
which of the following starling forces is the strongest force that moves the fluid out the capillaries?
-interstitial colloid osmotic pressure
which of the following changes in starling forces causes edema?
-decreased interstitial colloid osmotic pressure
which of the following starling’s forces is normally less than 0?
-interstial hydrostatic pressure
if molecule is filtered at the rate of 1g per minute & is excreted in urine at the rate of 0g per minute, the kidney has:
-filtered & completely reabsorbed it
where in the kidney is the majority of water reabsorbed?
-descending loop of henle
where in the kidney does anti-diuretic hormone regulates the reabsorption of water?
-collecting duct
when glucose appears in urine it is a sign that:
-blood concentrations of glucose have exceeded the kidney’s transport max for glucose
when protein appears in urine it is a sign that:
-there is damage to the kidney capillaries & protein is being filtered out of the blood & into the kidney tubule
where in the kidney do hormones such as aldosterone regulate selective reabsorption & secretion of ions?
-distal convoluted tubule
to determine glomerular filtration rate you need to determine the urinary excretion rate of a molecule that is:
-filtered only
to determine the total renal blood flow you need to measure the urinary excretion rate of a molecule that is:
-filtered & completely secreted
which of the following increases glomerular filtration rate?
-increase glomerular hydrostatic pressure
which of the following statements about glomerular filtration rate is false?
-when the cardiovascular system is failing, GFR can approach 0ml/min.
as a result of a decrease of the GFR:
-juxtaglomerular cells secrete renin
which of the following will cause the greatest increase in GFR?
-dilation of the afferent arteriole & constriction of the efferent arteriole
which of the following can decrease GFR?
-strong activation of the sympathetic nervous system
the myogenic reflex of the kidney regulate GFR:
-in response to elevated blood pressure in the afferent arteriole by causing contraction of the afferent arteriole smooth muscle
