Biology Forums - Study Force

A 15 increase in blood pressure would result in which of the following changes in ADH secretion?
 
  A. increased secretion
  B. decreased secretion
  C. no change in secretion

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(Question 2) The juxtaglomerular apparatus secretes
 
  A. renin.
  B. ADH.
  C. oxytocin.
  D. aldosterone.
  E. angiotensin.

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(Question 3) Renin converts
 
  A. angiotensin I to angiotensin II.
  B. angiotensin II to angiotensin I.
  C. angiotensinogen to angiotensin I.
  D. angiotensin II to angiotensin III.
  E. angiotensinogen to angiotensin II.

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(Question 4) The kidneys produce renin when
 
  A. the urine becomes acidic.
  B. the peritubular capillaries dilate.
  C. the blood pressure in the afferent arteriole decreases.
  D. sodium chloride concentration in the distal convoluted tubule increases.
  E. the blood pressure in the afferent arteriole increases.

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(Question 5) Some lung cancers secrete large amounts of ADH. This causes increased water reabsorption in the
 
  A. proximal convoluted tubule.
  B. loop of Henle.
  C. distal convoluted tubule and collecting ducts.
  D. calyces.
  E. urethra.

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(Question 6) Which of the following situations increases the number of action potentials to the supraoptic region of the hypothalamus?
 
  A. increased blood velocity
  B. decreased renin production
  C. increased plasma osmolality
  D. decreased aldosterone secretion
  E. decreased plasma osmolality

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(Question 7) Decreased ADH levels results in a urine high in
 
  A. potassium.
  B. water content.
  C. glucose content.
  D. bicarbonate content.
  E. hydrogen ions.

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(Question 8) Diabetes insipidus is the result of decreased
 
  A. ADH production.
  B. insulin production.
  C. aldosterone production.
  D. angiotensin II production.
  E. glucagon production.

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(Question 9) Removal of the posterior pituitary will immediately cause
 
  A. a decrease in urine volume.
  B. an increase in urine volume.
  C. no change in urine volume.

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(Question 10) The filtrate that drips from the renal papillae into the calyces
 
  A. has a higher concentration of waste products (urea) than the original filtrate.
  B. may have lost up to 99 of its original volume.
  C. is called urine.
  D. has a higher concentration of waste products (urea) than the original filtrate, may have lost up to 99 of its original waste, and is called urine.
  E. None of these choices is correct.

1) B

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2) A

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3) C

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4) C

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5) C

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6) C

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7) B

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8) A

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9) B

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10) D

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