Module 1 - Ions and Electrolyte function Flashcards

1
Q

Water is important in the body for R———- B— T———-

A

Regulating body temperature

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2
Q

Water is important in the body for L———- J—–

A

Lubricating joints

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3
Q

Water is important in the body for F——– — W—- P——-, reducing burden on the kidneys and liver

A

Flushing out waste products

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4
Q

Water is important in the body for carrying N——– and O—– to cells

A

Nutrients; oxygen

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5
Q

Water is important in the body for M——— T—— such as those in the mouth, eyes, and nose

A

Moistening tissues

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6
Q

Water is important in the body for P——— body organs and tissues

A

Protecting

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7
Q

Water is important in the body for preventing C———–

A

Constipation

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8
Q

Water is important in the body for D——— M——– and other nutrients to make them accessible to the body

A

Dissolving minerals

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9
Q

When we loss 1-2% of our body weight in water we experience T—–, F——, D———, and L— of A——-

A

Thirst; fatigue; discomfort; lack of appetite

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10
Q

When we loss 3-4% of our body weight in water we experience I——- P———-, D– M—-, ↓ U—- V—–, F—— S—, I———, and A—–

A

Impaired performance; dry mouth, urine volume, flushed skin, impatience, apathy

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11
Q

When we loss 5-6% of our body weight in water we experience D——— C————, H——-, I———–, S———, I——- T———- R———, ↑ R———- R—-

A

Difficulty concentrating, headache; irritability, sleepiness; impaired temperature regulation, respiratory rate

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12
Q

When we loss 7-10% of our body weight in water we experience D——–, S—— M——, L— of B——, D——-, E———, C——

A

Dizziness, spastic muscles; loss of balance; delirium, exhaustion; collapse

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13
Q

A fetus is made up of ___% water

A

100

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14
Q

A newborn baby is made up of ___% water

A

80

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15
Q

A normal adult is made up of ___% water

A

70

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16
Q

An elderly person is made up of ___% water

A

50

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17
Q

water content in a person varies with G—–, % B— F–, and % M—– M—

A

Gender, body fat, muscle mass

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18
Q

Name 5 ways that fluid lost from the body?

A
Sweat
Vomit
Oxalated gut
Diarrhoea
Urine
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19
Q

Name 3 ways to replace lost fluid in the body?

A

Orally
Intra-peritoneal drip
IV drip

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20
Q

Total fluid loss over 24 hours is approximately _____ ml

A

2500

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21
Q

The scientific equation C6H12O6 + 6O2 —> 6CO2 + 6H2O + Energy

A

The chemical reaction for respiration within a cell.

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22
Q

Respiration is defined as

A

The oxidation of sugar by organisms.

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23
Q

Water can be replaced by R———- within cells

A

Respiration

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24
Q

Total body water = ___% of body weight

A

60

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25
40% of water weight found in I------------- F-----
Intracellular fluid
26
20% of water weight is found in E------------ F-----
Extracellular fluid
27
Interstitial fluid volume = 80% of E------------ F----
Extracellular fluid
28
Body fluid is comprised of W---- and S-------
Water; solutes
29
Name 3 types of non-electrolytes found in body fluids
Glucose; Lipids; Urea
30
Name 4 types of electrolytes found in body fluids
Na+, K+, Ca2+ Cl-
31
If whole blood is placed in the centrifuge 55% is P----- and is the L---- D----
Plasma; Least dense
32
If whole blood is placed in the centrifuge, 45% is E----------- and is M--- D----
Erythrocytes; most dense
33
____________ dissociate into ions in water
Electrolytes
34
___________ are the most abundant solutes
Electrolytes
35
___________ have strong osmotic power
Electrolytes
36
___________ contribute to fluid shifts
Electrolytes
37
__________ determine chemical and physical reactions of fluids
Electrolytes
38
Na+ sodium is in highest concentration in the ------------- fluid
Extracellular
39
K+ Potassium is in highest concentration in the ------------- fluid
Intracellular
40
Cl- is in highest concentration in the -------------- fluid
Extracellular
41
Phosphate is in highest concentration in the ------------- fluid
Intracellular
42
The sodium-potassium pump involves, ------- ions being pumped out of the cell, whilst ------ ions are pumped in
Sodium; Potassium
43
What is the energy that drives the sodium-potassium pump called?
ATP energy
44
Electrolytes are involved in the regulation of water content in the body and ------
Thirst
45
Electrolytes are distributed between body compartments with fluids shifting between ___ and ___
ECF and ICF
46
Electrolytes are involved in D---------- and O-----
Dehydration; Oedema
47
Electrolytes are involved in O------
Osmosis
48
Electrolytes are involved in N---- I------ C--------- and M------ C-----------
Nerve impulse conduction; Muscle contraction
49
Electrolytes are involved in the function of A----- P---------
Action potentials
50
Sodium Na+ is the main cation in ---
ECF
51
Na+ promotes W---- R--------
Water retention
52
Na+ maintains B---- V-----
Blood volume
53
Na+ maintains B---- P-------
Blood pressure
54
Na+ Resting M------- P--------
Membrane potential
55
Adults need about ---g of sodium each day for homeostasis
0.5
56
Most of us have excess sodium in our diet, so the concern is ?
Getting rid of the excess
57
Na= is regulated by A----------, A----D------- H------- (ADH), and A----- N---------- P------ (ANP)
Aldosterone; Anti-diuretic hormone; Atrial natriuretic peptide
58
Too much sodium in the blood
Hypernatremia
59
Too little sodium in the blood
Hyponatremia
60
What are 5 symptoms of hypernatremia?
Thirst, hypertension; oedema; agitation; convulsions
61
What are 3 causes of hypernatremia?
Dehydration, water deprivation, high sodium diet
62
What are 3 causes of hyponatremia?
Vomiting, drinking too much fluid, low dietary intake
63
What are 3 symptoms of hypernatremia?
Muscular weakness, dizziness, hypotension
64
What is the main cation in ICF?
Potassium
65
Potassium helps maintain normal --- volume
ICF
66
K+ is involved in neuromuscular function and R------- M-------- P--------
Resting membrane potential
67
RDI of K+ is?
3500mg per day
68
Excess K+ is ?
excreted in urine
69
K+ is regulated by A-----------
Aldosterone
70
Too much K+ results in
Hyperkalemia
71
Too little K+ results in
Hypokalemia
72
What 2 things can cause hyperkalemia?
Crush injury, renal failure
73
Name 5 symptoms of hyperkalemia?
``` Irritability Nausea Vomiting Diarrhoea Cardiac irregularities (arrest) ```
74
Name 3 causes of hypokalemia?
Prolonged vomiting/diarrhoea Kidney disease Diuretics
75
Name 3 symptoms of hypokalemia?
Muscle fatigue Confusion Cardiac irregularities (arrest)
76
Name 3 functions of chloride Cl-
Stomach acid Anion in ECF Regulating PH
77
Chloride has a strong attraction to ------- in homeostasis
Sodium
78
Too much chloride
Hyperchloremia
79
Too little chloride
Hypochloremia
80
2 causes of hyperchloremia?
Dietary excess | IV saline solution
81
2 causes of Hypochloremia?
Side effect of hyponatremia | Hyperkalemia? Acidosis?
82
Name 4 functions of calcium?
Skeletal strength Muscle contractions Neurotransmitter Blood clotting
83
Calcium is involved in the homeostasis of H--------- C-------
Hormonal control
84
2 hormones that calcium is involved in, in homeostasis
Parathyroid hormone | Calcitrol/Calcitonin
85
4 effects of hypercalcemia?
Reduced membrane Sodium permeability Depressed reflexes muscular weakness Cardiac arrhythmias
86
2 effects of hypocalcemia?
Abnormal nervous and muscular excitement; weak bones
87
Name 4 functions of phosphates?
Energy Components of phospholipids and nucleic acids Activating enzymes and metabolic pathways Regulating PH
88
Phosphates are involved in the homeostasis of R---- c------- and P---------- hormone
Renal control | Parathyroid hormone