Anatomy Test 4 Book Review Questions

When ventilation is not sufficient, which of the following occurs? A. the capillary constricts B. the capillary dilates C. the partial pressure of oxygen in the affected alveolus increases D. the bronchioles dilate

A

The partial pressure of carbon dioxide is 45 mm Hg in the blood and 40 mm Hg in the alveoli. What happens to the carbon dioxide? A. it diffuses into the blood B. it diffuses into the alveoli C. the gradient is too small for carbon dioxide to diffuse D. it decomposes into carbon and oxygen

B

Which of the following occurs during the chloride shift? A. chloride is removed from the erythrocyte B. chloride is exchanged for bicarbonate C. bicarbonate is removed from the erythrocyte D. bicarbonate is removed from the blood

B

__________ pressure must be greater on the capillary side of the filtration membrane to achieve filtration. A. osmotic B. hydrostatic

B

A low partial pressure of oxygen promotes hemoglobin binging to carbon dioxide. This is an example of the _______. A. Haldane effect B. Bohr effect C. Dalton's law D. Henry's law

A

Most absorption and secretion occurs in this part of the nephron A. proximal convoluted tubule B. descending loop of Henle C. ascending loop of Henle D. distal convoluted tubule E. collecting ducts

A

Aquaporin channels are only found in the collecting duct A. true B. false

B

Blood filtrate is captured in the lumen of the ________. A. glomerulus B. Bowman's capsule C. calyces D. renal papillae

B

Systemic blood pressure must stay above 60 so that the proper amount of filtration occurs. A. true B. false

B

The fine tuning of water recovery or disposal occurs in _________. A. the proximal convoluted tubule B. the collecting ducts C. the ascending loop of Henle D. the distal convoluted tubule

B

Gas exchange that occurs at the level of the tissues is called ________. A. external respiration B. interpulmonary respiration C. internal respiration D. pulmonary ventilation

C

Oxyhemoglobin forms by a chemical reaction between which of the following? A. hemoglobin and carbon dioxide B. carbonic anhydrase and carbon dioxide C. hemoglobin and oxygen D. carbonic anhydrase and oxygen

C

The functional unit of the kidney is called ________. A. the renal hilus B. the renal corpuscle C. the nephron D. Bowman's capsule

C

What are the names of the capillaries following the efferent arteriole? A. arcuate and medullary B. interlobar and interlobular C. peritubular and vasa recta D. peritubular and medullary

C

Gas moves from an area of ________ partial pressure to an area of _______ partial pressure. A. low; high B. low; low C. high; high D. high; low

D

Production of urine to modify plasma makeup is the result of ___________. A. filtration B. absorption C. secretion D. filtration, absorption, and secretion

D

Which of the following factors play a role in the oxygen-hymoglobin saturation/dissociation curve? A. temperature B. pH C. BPG D. all of the above

D