Exam 3: Anemia Flashcards

(31 cards)

0
Q

Characteristics of the RBC so it doesn’t get destroyed in microcirculation

A

Discoid and pliable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Average life span of RBC?

A

100-120 d

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

LC of RBC

A
EPO
Bone Marrow makes them 
Maturation by iron and folate
120 d
Destruction by spleen
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What determines anemia in lab findings?

A

HbG count less than
130 males
120 females

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the problems before and during RBC production?

A

Hypoproliferative

Maturation disorders

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the problems after RBC released from marrow?

A

Hemolysis and hemorrhage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

In hypoproliferative anemia, all are the possible causes except:
A. No EPO released from kidneys
B. Bone marrow failure (aplastic anemia)
C. Iron deficiency
D. Chronic inflammatory states
F. Liver failure (inc cytokines) marrow cannot use iron

A

F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

In maturation disorders, all are the causes except:
A. Cytoplasmic defects due to iron deficiency (microcystic and hypochromic)
B. Nuclear defects (macrocytic RBCs)
C. Chronic iron overdose
D. Folate/vita. B12 deficiency

A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

2 main causes of hemolysis:
A. Intracorpuscular defects
B. Extracorpuscular defects
C. Both

A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
Membrane abnormalities (spherocytosis) and enzymopathy (G6PD) are examples 
A. Intracorpuscular defects
B. Extracorpuscular defects
A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

In extracorpuscular defects the problem is due to the structure of the RBCs. T/F

A

False.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Vasculitis due to autoimmune diseases can cause

A

Extracorpuscular defects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Anemia in SLE. Antibodies stick to RBCs and immune system kills the RBCs is an example of intracorpuscular defect. T/F

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
Symptoms of anemia include all except: 
A. Fatigue
B. Breathlessness
C. Pink conjunctiva
D. Loss of stamina
A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
On PE for anemia look for: 
A.Pallor
B. Tachycardia (esp on effort) due to dec oxygen. Compensation
C. Murmur (valvular) 
D. Hypotension orthostasis
E. Dec urine output (renal failure)
A

C. It’s a flow murmur. Does not have anything to do with value defect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which lab exam is mainly used for diagnosing anemia?

16
Q

What is a possible cause if WBC and platelets are also low with anemia?

17
Q

Anemia and high number of immature reticulocytes. Comment on the bone marrow.

A

Bone marrow is working hard and fast. But no time to mature

18
Q

Anemia and mature RBCs. Comment on the bone marrow

A

Bone marrow is not making new RBCS

19
Q

Nuclear material in RBC means:
A. RBC is more mature
B. RBC is immature

20
Q
Classify anemia by: 
A. Reticulocyte count
B. WBC
C. Platelet
D. Shape 
E. RBC count
21
Q

Name some drugs that dec levels of Vit B12 and B6

A

Isoniazid and chemo drugs

22
Q

75 YO male. Palor, hypotension, weakness, 3 days melena, low HGB. Diagnose

A

If longer to develop, longer to present symptoms

Upper GI bleed from NSAID induced peptic ulcer

23
Q

45 YO female. Pallor. Easy fatiguability when doing chores. Diagnose

A

Abnormal uterine bleed from myoma uteri

24
35 YO male. Elevated BP, doesn't want to eat for 1 month, palor in nail beds and palms, bipedal edema, and easy fatiguability. Diagnose
Chronic kidney disease secondary to chronic glomerulonephritis
25
23 YO female prolonged heavy menstrual bleeding and pallor. Diagnose
Aplastic anemia
26
What conditions can cause so much EPO secretion?
Kidney reactivity to heart and lungs. -chronic lung dse -Heart failure. Mixing of oxygenated and unoxygenated. Congenital and shunting tumor secreting EPO
27
What common clinical conditions can cause apparent polycythemia symptoms. Because water leaves, inc apparent red count
Dengue, Ebola, viral and bacterial infections, burns
28
Symptoms of polycythemia
Asymptomatic Hyper viscosity Underlying disease
29
Which symptoms of polycythemia vera can cause neurological symptoms (feeling high, lightheaded): A. Asymptomatic B. Hyperviscosity C. Underlying disease
B
30
Condition in which the bone marrow just feels like making sooo many cell lines. And presents with hyperviscosity
Polycythemia Vera