Lecture 18: Fluid Balance
Take a breath…and get ready for your exam.
• Exam 3: 4/11
• Benchmark 8: Paper outline- due 4/13
• Benchmark 9: Rough draft peer eval- due 4/18
• Benchmark 10: Rough draft to Riggs- due 4/25
• Exam 4: 5/4
• Final exam and PROJECT DUE- 5/9

Clicker Question!
Did you FLIP the lecture?
Rate your preparation for today’s class.
1. I did nothing to prepare for today's class.
2. I watched some of the video lecture
3. I watched all of the video lecture.
4. I watched all of the video lecture and studied for
up to two additional hours.
5. I watched the entire video lecture and studied for
more than two additional hours

Clicker Question!
Did you FLIP the lab?
Rate your preparation for today’s lab.
1. I did nothing to prepare for today's lab.
2. I printed the lab.
3. I printed the lab and read through it.
4. I printed the lab, read through it have a sense of
what we’re doing.
5. I printed the lab, read through it, and understand
the whole thing.
Sort em up!
Principal cell
Juxtaglomerular cell
Type A intercalated cell
Type B intercalated cell
Macula densa cell
Draw the feedback loop that involves
ADH. (Is this homeostatic?)
How does ADH affect urine concentration?
A. ADH makes the urine less
concentrated.
B. ADH makes the urine more
concentrated.
C. ADH does not affect urine
concentration.
95%
D. It depends on how thirsty
someone is.
5%
A.
0%
B.
C.
0%
D.
What is the stimulus that CAUSES ADH production?
A. Thirst.
B. Increased stretch in the
arteries.
C. Decreased stretch in the
arteries.
100%
D. It depends on how thirsty
someone is.
0%
A.
0%
B.
0%
C.
D.
What is the stimulus that CAUSES aldosterone
production?
A. Thirst.
B. Increased stretch in the
arteries.
90%
C. Decreased stretch in the
arteries.
D. Low sodium concentration
in filtrate.
10%
0%
A.
0%
B.
C.
D.
Think about an acidotic person. What is a possible
EFFECTOR in the pathway that attempts to remedy this?
A. Intercalated cells
B. Type A cells
C. Type B cells
D. Kidneys
63%
E. Principal cells
21%
11%
5%
0%
A.
B.
C.
D.
E.
How does the CD play a role in pH
homeostasis?
How does aldosterone work? Draw
the mechanism.
Which treatment most likely corresponds with the purple
line?
A. Bicarbonate
B. Caffeine
C. Gatorade
D. Salt
E. Water
0%
A.
0%
0%
B.
C.
0%
0%
D.
E.