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Nutrition 1 > Ch 8 > Flashcards

Ch 8 Flashcards

1
Q

Signs of dehydration

A

Poor skin turgor
Dark urine
Tired

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2
Q

Osmolarity

A

Measure of pressure by number of particles per volume

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3
Q

Osmolality

A

Measure of pressure by numbers of particles by weight

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4
Q

Isotonic

A

Has the same osmolarity as blood

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5
Q

Osmotic Pressure

A

The pressure that develops when there are two solutions on either side of a semi permeable membrane.

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6
Q

Hypotonic

A

Below osmolarity of blood

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7
Q

Hypertonic

A

Above osmolarity of blood

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8
Q

Colloidal Osmotic Pressure

A

How water with waste is moved out of cells into vessels

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9
Q

What protein is responsible for colloidal osmotic pressure

A

Albumin

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10
Q

How is fluid regulated?

A

Thirst mechanism
Antidiuretic Hormone
Aldosterone

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11
Q

Thirst mechanism

A

Sensors in the hypothalamus monitor osmotic pressure as the blood circulates in the brain, when detects an increase in osmotic pressure, the gland triggers a desire to drink

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12
Q

ADH

A

Antidiuretic Hormone - secreted from the posterior pituitary gland. AKA Vasopressin

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13
Q

Vasopressin

A

Cases kidneys to return more water to the bloodstream instead of spilling it to urine

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14
Q

Aldosterone

A

Hormone secreted by adrenal gland - RAAS system

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15
Q

Diabetes Insipidus

A

Hypothalamus does not secrete ADH or the kidneys do not respond appropriately.

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16
Q

RAAS

A

Renin
Angiotensin
Aldosterone
System

17
Q

ANP

A

Atrial
Natural
Peptide

gets rid of fluid

18
Q

PH

A

Potential of hydrogen

19
Q

What number is neutral

A

7

20
Q

What scale is the pH scale?

A

0-14

21
Q

What numbers is base?

A

7.1 to 14

22
Q

What numbers is Acid?

A

0 to 6.9

23
Q

Buffers

A

Substances that can neutralize both acids and bases

24
Q
A

Nutrition 1 (7 decks)

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