Please help me all questions: Brian excreted 50mL of urine. He placed the urinom

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Please help me all questions:

Brian excreted 50mL of urine. He placed the urinometer into the cylinder and read the measured specific gravity at 1.027. Five minutes later, he realized that he had forgotten to take the urine temperature. When he took the temperature at 24°C, the measured specific gravity was at 1.031. What was Brian's urine specific density?

Select one:

a. 0.9044g/L

b. 90.44g/L

c. 1.034g/L

d. 106.4g/L

e. none of the above

Question 2

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If a 65kg female drinks 500 ml of water, will she induce osmoreceptor activity?

Select one:

a. Yes, because there is a 4.4% change in Osmolarity.

b. Yes, because there is a 2.4 % change in Osmolarity.

c. No, because there is a 1.4% change in Osmolarity.

d. No, because there is a 0.7 % change in Osmolarity.

Question 3

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Richard emptied his bladder at 8am. At 9:10am, he voided again and collected 300mL of urine into the urine cups. What was Richard's urine flow rate at 9:10am?

Select one:

a. 10mL/min

b. 5mL/min

c. 4.3mL/min

d. none of the above

Question 4

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Samantha had carefully placed the urinometer into a urinometer cylinder. Due to the lack of volume of urine available, the urinometer was sitting at the bottom of the cylinder. What is the measured specific gravity?

Select one:

a. 1.000

b. 0.000

c. 1.015-1.025

d. no data was recorded

e. it depends on where the meniscus is crossing the urinometer

Question 5

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Select all of the substances that normally make up urine.

Select one or more:

a. water

b. urea

c. ketones

d. proteins

e. NaCl

f. all of the above

Question 6

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The main functions of the distal and proximal tubules are (select one or more):

Select one or more:

a. Reabsorption of large proteins and ions

b. Filtration of large proteins and red blood cells

c. Secretion of glucose and ions

d. Reabsorption of ions and water

e. Secretion and reabsorption of waste products and toxins

f. Secretion of ions and water

Question 7

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Under what conditions might you see the lowest levels of Anti-Diuretic Hormone (ADH) in the blood?

Select one:

a. After eating a bag of salty peanuts

b. After running a half marathon

c. After drinking a large cup of herbal tea

d. After drinking a large cup of maple syrup

Explanation / Answer

Answer no.5

The normal constituents of urine from the given options are:-

Water

Urea

Nacl

Note- normally ketones not present in the urine but present in a dosrorder called ketonuria due to dibetes or starvation.

Proteins are present in trace amount normally

Ans 6.

The function of disatal and proximal convoluted tubules is reabsorption of water and ions.

Answer.7

C. After drinking a large cup of herbal tea. Because is an diuretic agent which means the substance which increases urine production.

Tea has caffeine in it which knhibits the release of ADH.

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