Question

In: Anatomy and Physiology

QUESTION ONE: A patient experiencing shortness of breath due to reduced oxygen carrying capacity of the...

QUESTION ONE: A patient experiencing shortness of breath due to reduced oxygen carrying capacity of the blood would benefit most from:

(A)Whole blood donation (B) Red Blood Cell donation (C)Sterile intravenous fluid administration (D)Plasma donation

QUESTION TWO: Erythrocytes:

(A) Quickly repair damage to themselves or to vessel walls (B) Produce EPO is response to low oxygen levels

(C) Are composed mainly of intracellular gas transport proteins (D)Require oxygen for cellular metabolism

QUESTION THREE:During the life (or death) of erythrocytes:

(A)RBC's live in the blood for 20-40 days (B)Developing RBC's contain nuclei and ribosomes (C) Hemocytoblasts in the kidneys give rise to most RBC's (D)Following hemolysis, bilirubin is recycled for new RBC's

QUESTION FOUR: Which of the following is most likely in individuals with kidney failure?

(A)Low hematocrit (B)Leukopenia (low leukocyte count) (C) Thrombocytopenia (low platelet count) (D) Low amount of clotting factors

QUESTION FIVE:

Donated plasma is often separated into its many useful components. What plasma component would be useful in immunodeficient individuals without antibodies?

(A)Globulins (B)Albumins (C) Formed Elements (D)Hemoglobin

Solutions

Expert Solution

1. Whole blood contain RBC, WBC, Plasma, Platelets, Hematocrit, and Clotting factors. Whole blood is usually transfused when patient is having significant blood loss due to sever hemorrhage.

Oxygen carrying capacity of the blood is due to the presence of hemoglobin in the RBC ( Erythrocytes), Hence Red Blood transfusion (RBC) is benefited for the patient who has the shortness of the breath due to reduced oxygen carrying capacity of the blood.

Since oxygen is carried by hemoglobin present in RBC, Sterile intravenous fluid administration is not benefited. Plasma.

So the answer is  (B) Red Blood Cell donation

2. EPO is produed by the kidney and the liver not by Erythrocytes. Erythrocytes is another name for Red Blood Cell (RBC) which mainly composed of Hemoglobin, a intracellular gas transporting protein.

Answer is (C) Are composed mainly of intracellular gas transport proteins

3. Normally RBC's live in the blood for 100 to 120 days not for 20-40 days. Hemocytoblast are steam cells found in bone marrow which produce all types of blood cells, not found in kidneys. The byproduct of hemolysis are bilirubin and ferritin. Bilirubin is excreted by the liver through feces and ferritin is recycled for erythropoiesis.

Answer is  (B)Developing RBC's contain nuclei and ribosomes

4. Hematocrit is the ration between volume of RBC and Volume of total blood. Low hematocrit refers to volume of RBC is lower than normal. EPO (Erythropoietin) is an hormone synthesized by the kidney. EPO is an principle hormones required for Red Blood cell production. kidney failure decreases EPO production and decreases RBC synthesis leads to low hematocrit count

Thus answer is (A)Low hematocrit

5. Globulins and albumins are plasma proteins. Albumin act as carrier protein which transport many substances in the blood and it very important for plasma oncotic pressure. Globulins are with many other functions it helps in fighting against infection

Answer is (A)Globulins

Sydney Mullin answered 1 year ago
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