Midterm 2

Question 1

HCT

Answer 1

• % of blood volume that is RBC- blood fraction
• normal levels: 37-47% female, 40-54% male

Question 2

Hb

Answer 2

• total amount of hemoglobin in peripheral blood
• normal levels: 12.0-16.0 g/dl

Question 3

Platelets

Answer 3

• total amount of platelets in blood- blood clotting
• normal levels: 130,000-400,000

Question 4

RBCs

Answer 4

• total amount of RBCs in blood
• normal levels: 4.2-6.1

Question 5

WBC

Answer 5

• total number of WBCs- infection, neoplasm, allergy, immunosuppression
• normal levels: 3.5-12 10^9/L

Question 6

Erythrocyte sedimentation rate (ESR)

Answer 6

rate at which RBCs settle in saline solution- detects inflammation, infection, neoplastic and necrotic disease

Question 7

Anemia

Answer 7

reduced oxygen delivery due to the change in the content of hemoglobin

Question 8

Symptoms of anemia in general

Answer 8

• shortness of breath
• rapid and pounding heartbeat
• dizziness
• fatigue
• in mild anemia: may only see these symptoms during exercise
• skin becomes pale or yellow depending on cause of anemia
• impaired healing and elasticity of skin due to hypoxia
• abdominal pain, nausea, vomiting, and anorexia due to decreased oxygen to GI tract
• PICA- eating items that are not typically thought of as food, body is trying to replenish needed nutrients