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South College Clin Lab
Week 5 Material
27
Biology
Graduate
02/21/2009

Additional Biology Flashcards

 


 

Cards

Term

Normal Creatnine level is what?

 

 

What are 3 reasons for a Elevated Creatnine level?

Definition

0.6 -1.3 mg/dl

 

Age
Musculoskeletal disorders
Crush injuries
 

Term

BUN normal Levels?

 

What level would mark "serious renal fct impairment"

Definition

8-20 mg/dL

 

 

50-150 mg/dL

Term

-Whare are the 2 tissues that REQUIRE GLUCOSE?

-What Adrenal Gland Dz might Hyperglycemia be indicative of ?

-what Thyroid dz?

-what else would we need to look for to diagnose this thyroid problem?

-Any other dz hyperglycemia MAY be related to?

 

Definition

-RBCs and Brain

-Cushing's Syndrome (too much ACTH(cortisol) produced by pituitary...leads to Insulin resistence)

-Hyperthyroidism

-Look at T3 and T4 levels

-Obesity

Term

For Hypoglycemia...what might be going on? (there are 4 we discussed)?

 

Definition

 

Addison's Dz

Hypopituiitarism

Insulinoma

Galactosemia (can't turn galactose to glucose)

Term

-What are normal Sodium Levels?

 

-What is Hyponatremia indicative of?

 

-What is Hypernatremia indicative of?

Definition

 

135-145 mEq/L

 

-Diabetic (Every 100 mg/dl of plasma glucose there is a 1.7 mEq/L decrease in sodium
), vomitting, chronic diarrhea, or fluid overload

 

 - Severe DEHYDRATION

Term

 

Normal Potassium Levels?

 

Hypokalemia indicative of?

 

Hyperkalemia?

Definition

-Normal Range 3.5 - 5.0 mEq/L = mM/L

 

-Hypokalemia:  Vomitting, diarrhea, insulinemia (insuline forces K into cells...along with glucose) Diuretics

-Hyperkalemia:  Tissue breakdown (injury, electrocution) renal failure

Term

Normal Chloride Levels

 

These levels are higher in what case?

 

Decreased in what cases?

Definition

(Normal Range 95-105 mEq/L = mM/L

 

Hyperchloremia: Increased in metabolic acidosis associated with prolonged diarrhea
 

Hypochloremia: Decreased in prolonged vomiting, chronic respiratory acidosis, adrenocorticoid insufficiency, burns, drugs
 

Term

What are normal CO2 levels in the BLOOD (mEq/L)

 

What are the 3 ways blood is carried in the blood?

Definition
22-34 mEq/ L 

 

1)(about 70% – 80%) is converted to bicarbonate ions (HCO3−)

2) is dissolved in the plasma 5% – 10%
3) is bound to hemoglobin as carbamino compounds
 

Term
T/F...Carbon dioxide is one of the mediators of systemic autoregulation of blood supply. If levels are high, the capillaries expand to allow a greater blood flow to that tissue
Definition
False, this is called LOCAL autoregulation
Term

- Arterial Blood Values

Values
pH:       
PCO2:       
PO2:     

-What does excess heparin do to pCO2 values?

  

Definition

 

-pH:  7.36 - 7.44

-PCO2:  38-42 mmHg

-P02:  85-100 mmHg 

 

-It depresses them

Term

-What is Henderson's Equation that spells out the relationship between [H+], [HCO3-] and PCO2 levels

Definition

 

H + = 24 * PaCO2 * HCO3

Term

What is ONLY DIRECT WAY OF MEASSURING GFR.  128 is Normal Range. 

 

What is normal CrCl range in Males...

In females ....

Definition

Immuline Clearance Test

 

85-125 mL/min/1.73m2

 

75-115 mL/min/1.73m2 

Term

Type I DM makes up __% of diabetics and is an autoimmune disease

How much insulin do Type I's secrete...?

 

Do we expect high leveles of C peptide?

 

Any tendencies?

Definition

5-10% (self-Ab present 85-90% of time)

 

Virtually NONE

 

None or very little

 

Prone to DKA (ketoacidosis from breakdown of fats to fight body starvation)

Term

-When do Type II's get Ketosis?

 

-Plasma Insulin levels?

Definition

-Stress or INFECTION

 

-Normal to HIGH

Term

-WHat autoAB do we look for in Type I DM

 

-Which Islets produce Glucagon?

 

-Which produce Insulin?

 

What is C-peptide a marker for?

Definition

-Islet Cell autoantibodies

 

-Alpha

 

-Beta

 

-Insuline levels (C-peptide is a peptide which is made when proinsulin is split into insulin and C -peptide. )

Term

What is the short name for glucose bound to hemoglobin?

 

What is the formula for figuring BSavg from this? 

 

 

Definition

HbA1C

 

BSavg= (HbA1C * 33.3)-86

 

 

Term

 -What group is the Glucose Tolerance test good for?

What are the BS levels for dx DM II for the following tests:

-Random plasma glucose  when there are classical symptoms
-Fasting >8 hrs glucose

-2 hr  plasma glucose after 75 g glucose load
 

Definition

 Pts with borderline fasting glucose levels, pregnant women for gestational DM,

 

-Random plasma glucose >200 mg/dL

-Fasting >8 hrs glucose > 126 mg/dL

-2 hr  plasma glucose > 200 mg/dL after 75 g glucose load

Term

What are normal CALCITONIN levels for EACH GENDER?

 

If we have high levels of Calcitonin...what should we expect of our Calcium levels?

Definition

Normal Range:

 

4.5 ± 0.7 pg/mL males;

 

2.7 ± 0.4 pg/mL females

 

-They be Low

Term

 

Who organ secretes TSH?

 

Normal Levels?

 

What does TSH do?

 

 

Definition

 

-Secreted by anterior pituitary


   -(Normal Range 0.4-4.2 µU/L = 0.32-5.0 mU/L)

-Regulates T3/T4
Increased in untreated hypothyroidism

Term

-What 2 dz's will have a positive Thyroid autoAb result?

 

-Is T3 or T4 the active hormone?

 

-Normal levels of T3?

 

-Of T4?

Definition

-Grave's (85% positive Ab test) and Hoshimoto's (95%)

 

-T3

 

- T3: Normal 260-480 pg/dL

 

- T4: Normal Range 5-12 µg/dL

Term

What does Calcitrol do?

 

Normal levels?

 

High levels could indicate what?

 

Who secretes it?


Definition

Helps Gut sequester Calcium

 

    Normal Range 70-348 pg/mL 

 

Increased in Sarcoidosis & Non Hodgkin Lymphoma

 

The Kidney

 

 

Term

Relating to pH...what could High Calcium levels mean?

 

What is the normal Calcium Range?

 

Who carries Calcium in the blood?

Definition

Acidosis


8.6-10.0 mg/dL 

 

Albumin (you gotta meassure these levels along with Ca levels)

Term

Normal Range for Phosphorous

 

What does Insulin due to these levels?

 

What other electrolyte is Phosphate metabolism linked to?

 What happens to Calcium levels in Kidney dz when Phosphates are retained

Definition

Normal Range 2.7-4.5 mg/dL

 

Lowers them by forcing them into the cell (just like K+)

 

Calcium

 

Calcium serum levels are depleted... leads to SECONDARY HYPOTHYROIDISM

Term

T/F...Antacids/EtOH increase intestinal absorption of Phosphorous?

 

What are normal Mg Levels?

 

What can wipe out the results of a Mg test?

 

 What type metabolism is Mg involved in?

Definition

False...they decrease it's absorption

 

Normal Range 1.6-2.6 mg/dL 

 

Many common lab detergents

 

Calcium Metabolism (with help of PTH)

Term

Restoring Mg levels from a depleted state to normal may alleviate what thyroid problems?

 

Normal Levels for PTH?

 

What does this hormone do?

 

What 3 ways does it do this?

Definition

Hypoparathyroidism

 

10-65 pg/mL (varies by laboratory) 

 

Controls Calcium Serum levels

-increase Vit D

-Increase renal tube resorbtion of Ca

-Increase intestinal calcium resorbtion

Term

What is often called "disease of bones, stones, and groans"

 

 

 

What is a key marker for this?

Definition

Primary Hyperparathyroidism (Due to inappropriate secretion of PTH (parathyroid hormone) pulling calcium from the bone, reabsorption of urine calcium and promotes absorption of dietary calcium)

 

High levels of Calcium

Term

 

 

What causes Secondary Hyperparathyroidism?

Definition
Chronic advanced renal disease
-causes retention of phosphorous
-Inadequate vitamin D activation
-Chronic low serum calcium
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