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Quiz # 10
na
28
Biology
Undergraduate 2
12/06/2013

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Term
What is the relationship between blood pressure and glomerular filtration rate?
Definition
They rise and fall together
Term
Why could increasing GFR during exercise be harmful?
Definition
It could lead to dehydration
Term
What route do action potentials take when you bend over to tie your shoes?
Definition
Thoracic baroreceptors > viscerosensory neurons > brainstem > autonomic neurons
Term
Which type of anti-hypertension drugs increases sodium excretion?
Definition
Diuretics
Term
Renin Changes?
Definition
Angiotensinogen > Angiotensin I
Term
Angiotensin II ?
Definition
Stimulates release of aldosterone and constricts arterioles throughout the body.
Term
During exercise your?

2things
Definition
-Afferent glomerular arterioles constrict
-Systemic blood pressure rises
Term
Hypertension caused by renal artery stenosis involves the following events. Select the correct order?
Definition
Granular cells > renin > angiotensinogen > angiotensin
Term
Red blood cell production is controlled by?
Definition
Erythropoietin
Term
Why does sepsis cause shock?
Definition
Vasodilatation caused by bacterial products.
Term
Which of these constricts efferent glomerular arterioles?
Definition
Angiotensin II
Term
The 2 main causes of renal artery stenosis are?
Definition
Fibromuscular hyperplasia and atherosclerosis.
Term
In what part of the kidney is disease most likely to cause hypertension?
Definition
Glomerulus
Term
People with chronic hypertension often have?
Definition
Strokes
Term
Usually hypertension causes?
Definition
No symptoms
Term
Fibromuscular hyperplasia of a renal artery is most commonly a cause of hypertension in?
Definition
Young women
Term
Essential hepertension is through to be caused by an abnormality of?
Definition
Renal sodium excretion
Term
which of the following types of anti-hypertensive drugs reduces angiotensin II ?
Definition
Inhibitors of angiotensin converting enzyme (ACE inhibitors)
Term
Why should you elevate the legs of someone in shock?
Definition
To drain blood toward the heart.
Term
The effects of shock on the kidneys include?
2 answers
Definition
-Decreased GFR
-Renin secretion
Term
The upper limit for normal blood pressure is?
Definition
120/80
Term
The adrenal gland provides two important hormones in shock?
Definition
Epinephrine and aldosterone
Term
Why does glomerular filtration rate not rise during exercise?
Definition
Constriction of afferent arterioles
Term
What is the only waste product that increases during exercise?
Definition
Carbon dioxide
Term
What does urine specific gravity tell you?
Definition
Whether you are dehydrated
Term
Eating a large bag of salty popcorn and drinking a large soda causes?
Definition
Increased GFR
Term
What stimulates the production of erythropoietin?
Definition
Low oxygen
Term
Which of these is Not typical of renal failure?
Definition
Hypotension
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