BIO202L LAB_V3
Lab 15 Electrolytes, Water, Acids, and Bases
Started on Thursday, December 1, 2022, 3:21 PM
State Finished
Completed on
... [Show More] Thursday, December 1, 2022, 3:31 PM
Time taken 10 mins 6 secs
Grade 35.00 out of 35.00 (100%)
Question 1
Correct
3.50 points out of 3.50
Flag question
Question text
The chloride ion is required for the formation of hydrochloric acid in the stomach.
Select one:
a. True
b. False
Question 2
Correct
3.50 points out of 3.50Flag question
Question text
Which electrolyte plays a prominent role in the blood acid/base buffer system?
Select one:
a. Calcium
b. Chloride
c. Bicarbonate
d. Sodium
Question 3
Correct
3.50 points out of 3.50
Flag question
Question text
Which of the following is NOT an extracellular fluid?
Select one:
a. Plasma
b. Lymph
c. Glomerular Filtrate
d. Cytoplasm
Question 4
Correct
3.50 points out of 3.50Flag question
Question text
Thirst occurs when:
Select one:
a. The mucosa of the mouth loses water.
b. Water intake exceeds water output.
c. Increased osmotic pressure of the blood stimulates the hypothalamus.
d. Shifts in sodium concentrations stimulate the cerebral cortex.
Question 5
Correct
3.50 points out of 3.50
Flag question
Question text
Most of the body's fluids exist as intracellular fluid.
Select one:
a. True
b. False
Question 6
Correct
3.50 points out of 3.50Flag question
Question text
Metabolic water is water that is produced as byproduct of exercise.
Select one:
a. True
b. False
Question 7
Correct
3.50 points out of 3.50
Flag question
Question text
Which of the following is NOT true regarding electrolytes?
Select one:
a. An electrolyte is any substance that conducts electrical signals.
b. Electrolytic balance is not required to maintain homeostasis.
c. Electrolytes readily dissociate into ions.
d. Electrolytes have four main functions in the body.
Question 8
Correct
3.50 points out of 3.50Flag question
Question text
Sodium is the most abundant extracellular ion.
Select one:
a. True
b. False
Question 9
Correct
3.50 points out of 3.50
Flag question
Question text
Calcium levels in blood plasma are regulated by:
Select one:
a. aldosteron
b. antidiuretic hormone
c. parathyroid hormone and calcitonin
d. chloride ions
Question 10
Correct
3.50 points out of 3.50Flag question
Question text
How can the kidneys mediate blood pH?
Select one:
a. Kidneys can excrete hydrogen ions to decrease blood pH.
b. Kidneys can excrete hydrogen ion to increase blood pH.
c. Kidneys can excrete water molecules to increase blood pH.
d. The kidneys cannot influence blood pH. [Show Less]