HS 2211 - Self Quiz WEEK 7

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University of the People *

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2211

Subject

Chemistry

Date

May 21, 2024

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Started on Wednesday, 2 August 2023, 9:24 PM State Finished Completed on Wednesday, 2 August 2023, 9:25 PM Time taken 1 min 11 secs Marks 10.00/10.00 Grade 100.00 out of 100.00 Question 1 Correct Mark 1.00 out of 1.00 Flag question Question text A low partial pressure of oxygen promotes hemoglobin binding to carbon dioxide. This is an example of the ________. Select one: a. Haldane effect b. Bohr effect c. Dalton’s law d. Henry’s law Feedback The correct answer is: Haldane effect

Question 2 Correct Mark 1.00 out of 1.00 Flag question Question text Which of the following stimulates the production of erythrocytes? Select one: a. AMS b. high blood levels of carbon dioxide c. low atmospheric pressure d. erythropoietin Feedback The correct answer is: erythropoietin Question 3 Correct Mark 1.00 out of 1.00 Flag question Question text 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?

Select one: 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. Feedback The correct answer is: It diffuses into the alveoli. Question 4 Correct Mark 1.00 out of 1.00 Flag question Question text The fine tuning of water recovery or disposal occurs in ________. Select one: a. the proximal convoluted tubule b.

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the collecting ducts c. the ascending loop of Henle d. the distal convoluted tubule Feedback The correct answer is: the collecting ducts Question 5 Correct Mark 1.00 out of 1.00 Flag question Question text Which of these three paracrine chemicals cause vasodilation? Select one: a. ATP b. adenosine c. nitric oxide d.

None of the above Feedback The correct answer is: nitric oxide Question 6 Correct Mark 1.00 out of 1.00 Flag question Question text A decrease in volume of the thoracic cavity leads to a(n) ________ pressure. Select one: a. decrease in b. equalization of c. increase in d. zero Feedback The correct answer is: increase in Question 7 Correct Mark 1.00 out of 1.00

Flag question Question text Which hormone does the kidney produce that stimulates red blood cell production? Select one: a. thrombopoeitin b. vitamin D c. EPO d. renin Feedback The correct answer is: EPO Question 8 Correct Mark 1.00 out of 1.00 Flag question Question text What are the names of the capillaries following the efferent arteriole? Select one: a.

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arcuate and medullary b. interlobar and interlobular c. peritubular and vasa recta d. peritubular and medullary Feedback The correct answer is: peritubular and vasa recta Question 9 Correct Mark 1.00 out of 1.00 Flag question Question text The major anion in extracellular fluid is ________. Select one: a. sodium b. potassium c.

chloride d. bicarbonate Feedback The correct answer is: chloride Question 10 Correct Mark 1.00 out of 1.00 Flag question Question text Which of the following anatomical structures is not part of the conducting zone? Select one: a. pharynx b. nasal cavity c. alveoli d. bronchi Feedback The correct answer is: alveoli