Human Anatomy & Physiology III
Human Anatomy & Physiology III BI 233
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This 6 page Class Notes was uploaded by Waldo Rowe on Monday October 19, 2015. The Class Notes belongs to BI 233 at Portland Community College taught by Staff in Fall. Since its upload, it has received 77 views. For similar materials see /class/224625/bi-233-portland-community-college in Biology at Portland Community College.
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Date Created: 10/19/15
Bl 233 FALL 2011 Practice Exam 2 Each question has one answer Please mark your answer on the scantron Turn in both the scantron and the test handout If you have questions please ask unu uuuuuuuuuu nu Iuuuuuuuuuuun 1 Starting in the abdominal cavity and progressing dorsally you would have to cut through the 7 in this order to expose the kidney A renal fascia peritoneum adipose capsule and renal capsule B peritoneum renal capsule renal fascia and adipose capsule r r V a mu lm um e D adipose capsule peritoneum renal fascia and renal capsule 2 The liver converts ammonia into for excretion by the A Ammoniakidney B Uric acid liver D Amino ac 1d39 liver 3 Which of these is not part of a renal corpuscle A glomerulus B Bowman s capsule C Mesangial cells D 4 Which of these is part of a nephron A Efferent arteriole glomerular capsule Collecting duct OW vv D minor calices arcuate veins collecting ducts D creatinine 7 The average adult must excrete at least 7 of urine per day to maintain a safe and stable concentration of urea in the blood A 30 mL B 100 mL C 400 mL The three regions of the male urethra are the prostatic bulbar and penile tilt nile 9 Immediately after the arcuate artery blood flows into A theinterlobar arteries B the renal arteries C the afferent arterioles D 10 If we follow the ureter into the kidney we find that the first structure to arise from it is A the renal sinus B the renal pelvis C the renal pyramids D 1 g 39 M whim 11 Which of the following kidney structures are fewest in number A renal coIpuscles m edullary pyramids Otd vv it 394 W H D minor calices 12 The cells of the distal convoluted tubule in contact with the afferent arteriole are 7 They have A the mesangial cells baroreceptors B the Juxtaglomerular cells osmoreceptors Hl quotl u mi imm C l D the macula densa baroreceptors 13 The blood vessels of the renal medulla that run alongside the nephron loops are A um at r m B the asa efferentia C thearcuate arteries D theperitubular capillaries The trigone is a triangular region of a renal pyramid the renal cortex the hilum 9298 D There is one 7 for each nephron Collecting duct Afferent arteriole Efferent arteriole 9298 D 16 The total amount of uid entering the capsular spaces of all the nephrons in a given time is called A the rate of tubular secretion B the rate of tubular reabsorption l m y39 r6leva quot H a 1 39 C 1 D the net filtration pressure 17 The kidneys do not A control bloodpressure B regulate the pH of the body uids C Produce vitamin D D L I gU it 3 18 Glucose and amino acids are reabsorbed from the glomerular filtrate by A the glomerular capillaries B the collecting duct C 19 The thick segment of the ascending limb of the nephron loop is permeable to A water but not urea B sodium ions but not potassium ions C sodium and potassium ions but not chloride ions ud liur i i i 20 The collecting duct reabsorbs not only water but also 7 thus contributing to the osmotic gradient of the renal medulla A sodium puss lumuuunm 22 The macula densa 1quot U K irtmdl a lobe of the kidney The entire reninangiotensin system D a renal corpusc e 23 Glucose gets from the tubular uid into the cytoplasm of the proximal convoluted tubule cells by means 0 A osmosis C facilitated diffusion D solvent drag 24 A simple squamous epithelium is found in A the parietal and visceral layers of the lomerular capsule B li hi 4mm quot W quot 1 ram r t C the parietal lay r of the glom erular capsule and the proximal convoluted tubule D the proximal and distal convoluted tubules 396 will i quotm mix15 s lv1iquotv m u 25 If not for the countercurrent multiplier the kidneys could not produce A renjn B erythropoietin D dilute urine 26 Blood pressure in the glomerulus is unusually high compared to other capillaries because the diameter of the 7 is greater than that of the 7 A efferent arterioleperitubular capillaries B descending limb ascending limb C D interlobular artery interlobular vein 27 The first step leading to angiotensin II production is the secretion of 7 by the kidneys A 1 B angiotensinogen C angiotensin converting enzyme D calcitriol 28 In diabetes mellitus glycosuria occurs because the concentration of glucose in the glomerular filtrate exceeds A the reabsorption capacity of the collecting duct B the transport maximum of the proximal tubule C l39l39 D the rate of renal clearance of glucose m Wm W 1 ll wquot y m 29 Because of the very little albumin escapes from the blood during glomerular filtration A oncotic pressure of the blood B hydrostatic pressure of the blood C lif 139 v3 D basement membrane of the glomerulus 5m w v rim lilllwl5 unun39rquot 30 Which of the following would increase the glomerular filtration rate A vasoconstriction of the afferent arteriole B vasodilation of the afferent arteriole viz Lu VIC illlU V g 1 3i D a drop in oncotic pressure 31 A realistic value for is about 180 Lday ultii quot w B net filtration pressure C adult urine output D renal blood flow 32 Volume excess is the opposite of A hypotonic hydration B deh ation C m t 1 D water intoxication 33 Water loss by the skin that is not due to sweat glands is called negative water balance D positive water balance 34 Which of the following conditions are likely causes of acidosis A starvation B The production of ketone bodies C Intense muscle activity Hll L 7 35 A base is any chemical that A releases H binds OH39 lowers the pH Otd vv D 36 The blood plasma is abouti of the total body water 2 8 9298 D 35 37 Atrial natriuretic factor is secreted in response to A u B hypernatremia C aldosterone D hypotension 38 Antidiuretic hormone A increases water and sodium reabsorption I uquot my rtax f C increases urine output but not urine concentration D increases the volume and concentration of the urine 39 Which of the following cations is most concentrated in the intracellular fluid A B Na 41 Which of the following conditions is likely to produce the highest daily output of sodium in the urine A hypertension B a high level of aldosterone a db h all lHlvz lln lum li imam D a high level of estrogen O v 42 When the hypothalamic osmoreceptors detect a rise in blood osmolarity A L i 39 quot B the kidneys secrete aldosterone C the adrenal cortex secretes aldosterone D the posterior pituitary releases ADH m 9 ll 43 Aldosterone receptors are found on cells of A the adrenal cortex B the adrenal medulla C l 1 D the proximal convoluted tubule 44 A deficiency of potassium ions in the blood is called A hyperpotassemia B hypernatremia C i 46 People who have lost a lot of blood often feel intensely thirsty This is because A angiotensin II is produced and stimulates the thirst center B theosmolarity of the remaining blood is elevated c A 7 w Hmu r ii lla wwm 7 r r V D AD is released and stimulates the thirst center 47 The bicarbonate buffer system would not work very well in the hum an body if not for the action of the respiratory system whic A supplies the buffer system with C02 B supplies the buffer system with 02 C expels HCOg39 produced by the buffer system D expels Hl produced by the buffer s stem 1 1 lif jhl 39 quot 48 Aldosterone has which of the following effects A i r liar x W lms 321M 9 1 B reduces Na and K reabsorption C causes the urine to be more dilute D reduces Nar reabsorption and increases Kl reabsorption 49 A lung disease that interferes with pulmonary gas exchange can be expected to lead to l B metabolic alkalosis followed by metabolic compensation C compensated alkalosis D respiratory acidosis followed by metabolic compensation 50 Aquaporins A stimulate glomerular filtration B stimulate the thirst center C promote intestinal absorption of water 39 51 ll HI n E are active transport pumps for water
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