Vasopressin secretion is suppressed by?

Low ECF osmolarity, Increased ECF volume

What would happen to if you had a decrease in osmolarity and increase in ECF volume?

Drinking a large volume of water

In the kidney, which one of these fluids has the highest osmolarity

Fluid at the lowest parts of the Loop of Henle

How does the body respond to salt ingestion?

Increase ECF osmolarity, Secretion of vasopressin

Vasopressin is produced in the 1.____ and stored in the 2._____

1. Hypothalamus 2. Posterior Pituitary

Vasopressin secretion is stimulated by?

Increase ECF osmolarity, Loss in ECF volume

How will drinking water after sweat loss affect ECF volume and osmolarity?

Decrease in osmolority and no change in volume

The Loop of Henle plays an important part in?

Production of a concentrated urine

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Human Physiology 2 Body System - Week 3 - Lecture 7 -Kidneys

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Questions 17

Answers

1
Most body water is located in?
ECF of cells
Blood
ICF of cells
Interstial fluid
2
Which osmotic gradient allows urine more concentrated than the isoosmotic body fluids?
Interstitial osmotic gradient
Horizontal osmotic gradient
Vasopressin osmotic gradient
Vertical osmotic gradient
3
The ascending limb (LOH) is 1.____ to water but actively transports ions 2.____ of the tubule
1. Permeable 2. Out
1. Permeable 2. Into
1. Impermeable 2. Into
1. Impermeable 2. Out
4
What would happen to if you had an increase in osmolarity and a increase in ECF volume?
Ingesting saline
Eating salt without liquids
Eating salty food with liquid
Dehydration
5
Descending part of LOH is 1___ to water. Filtrate passes through it becomes 2____ concentrated.
1. Permeable 2. Less
1. Permeable 2. More
1. Impermeable 2. More
1. Impermeable 2. Less
6
Vasopressin secretion is suppressed by?
Low ECF osmolarity, Decreased ECF volume
High ECF osmolarity, Increase ECF volume
High ECF osmolarity, Decreased ECF volume
Low ECF osmolarity, Increased ECF volume
7
Where are the receptors that vasopressin reacts to?
Pertiubular capillaries
Loop of Henle
Proximal tubule
Collecting duct
8
Which hormone increases the permeability of the collecting duct?
Testosterone
Aldosterone
Insulin
Vasopressin (ADH)
9
What would happen to if you had a decrease in osmolarity and increase in ECF volume?
Incomplete compensation for dehydration
Drinking water after sweat loss
Drinking a large volume of water
Dehydration
10
Maintaining normal cell volume depends on the regulation of?
ECF volume
ECF pressure
ECF potential
ECF osmolarity
11
In the kidney, which one of these fluids has the highest osmolarity
Fluid entering the descending limb of the Loop of Henle
Fluid in the ascending limb of the Loop of Henle
Fluid leaving via the distal tubule
Fluid at the lowest parts of the Loop of Henle
12
How does the body respond to salt ingestion?
Decrease ECF osmolarity, Suppression of vasopressin
Decrease ECF osmolarity, Secretion of vasopressin
Increase ECF osmolarity, Secretion of vasopressin
Increase ECF osmolarity, Suppression of vasopressin
13
Vasopressin is produced in the 1.____ and stored in the 2._____
1. Hypothalamus 2. Posterior Pituitary
1. Hypothalamus 2. Anterior Pituitary
1. Cerebellum 2. Posterior Pituitary
1. Cerebellum 2. Anterior Pituitary
14
Vasopressin secretion is stimulated by?
Decrease ECF osmolarity, Increase in ECF volume
Increase ECF osmolarity, Increase in ECF volume
Increase ECF osmolarity, Loss in ECF volume
Decrease ECF osmolarity, Loss in ECF volume
15
How will drinking water after sweat loss affect ECF volume and osmolarity?
Decrease in osmolority and increase in volume
Increase in osmolority and no change in volume
Decrease in osmolority and no change in volume
Increase in osmolority and decrease in volume
16
The Loop of Henle plays an important part in?
Production of a concentrated urine
Regulation of Na+, K+ and Cl-
Production of co-enzymes for vassopressin
Regulation of glomerular filtration rate
17
What would happen to if you had a no change in osmolarity and a decrease in ECF volume?
Incomplete compensation for dehydration
Haemorrhage
Ingesting isotonic saline
Eating salty food with no liquid

Human Physiology 2 Body System - Week 3 - Lecture 7 -Kidneys Flashcards | StudBud