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اسئلة بايولوجي المرحلة الاولى

1-The major function(s) of blood is/are

                A)           to transport oxygen, nutrients, hormones, and waste products.

                B)            regulate body temperature and pH.

                C)            to fight pathogens.

                D)           All of the choices are correct.

2              The formed elements of the blood do not include

                A)           leukocytes.

                B)            erythrocytes.

                C)            plasma.

                D)           platelets.

3-In an adult, erythrocytes are produced in the

                A)           heart.

                B)            pancreas.

                C)            red bone marrow.

                D)           gall bladder.

                               

4-________are leukocytes that are responsible for specific immunity against particular pathogens.

                A)           Monocytes

                B)            Neutrophils

                C)            Eosinophils

                D)           Lymphocytes

                               

5-The platelets function to

                A)           plug blood vessel breaks.

                B)            start the clotting process.

                C)            transport oxygen gas.

                D)           plug blood vessel breaks and start the clotting process.

                               

6-The major components of plasma include:

                A)           water.

                B)            plasma proteins.

                C)            various salts and organic molecules.

                D)           water, plasma proteins, various salts, and organic molecules.

                               

7-Which of the following is a plasma protein?

                A)           albumin

                B)            globulin

                C)            fibrinogen

                D)           albumin, globulin, and fibrinogen

                               

8-In the erythrocytes, ________ serves as an oxygen carrier.

                A)           hemoglobin

                B)            carbaminohemoglobin

                C)            myoglobin

                D)           heparin

                               

9-The heme-containing portion of hemoglobin is excreted by the

                A)           spleen.

                B)            liver.

                C)            kidneys.

                D)           stomach.

                               

10-___________ has been used to deliver more oxygen to the tissues and improve athletic competitive edge.

                A)           Steroids

                B)            GH

                C)            Blood doping

                D)           Plasma

                               

11-__________ produced in the kidneys stimulates the production of erythrocytes.

                A)           Adrenocorticotropic hormone

                B)            Lipase

                C)            Erythropoietin

                D)           Adrenalin

                               

12-White blood cells (leukocytes)

                A)           possess a nucleus.

                B)            lack hemoglobin.

                C)            fight pathogens.

                D)           possess a nucleus, lack hemoglobin, and fight pathogens.

                               

13-Which of the following are not leukocytes?

                A)           neutrophils

                B)            basophils

                C)            monocytes

                D)           erythrocytes

                               

14-Monocytes differentiate into

                A)           thrombocytes.

                B)            macrophages.

                C)            platelets.

                D)           adipocytes.

                               

15-An insufficient number of platelets is referred to as

                A)           hemophilia.

                B)            thrombocytopenia.

                C)            hematocrit.

                D)           hemolytic disease.

                               

16-These proteins, deposited by the liver, play a role in blood clotting:

                A)           albumin, globulin, and fibrinogen

                B)            fibrinogen and prothrombin

                C)            fibrinogen and albumin

                D)           prothrombin and albumin

                               

17-Blood type _____ is considered the universal donor and blood type ___ is considered the universal recipient.

                A)           B; O

                B)            A; AB

                C)            AB; O

                D)           O; AB

                               

18-Hemolytic disease of the newborn occurs when the child is Rh _____ and the mother is Rh _____.

                A)           positive; negative

                B)            positive; positive

                C)            negative; positive

                D)           negative; negative

                               

19-Which of the following are vessels specific to the lymphatic system?

                A)           lacteals

                B)            arteries

                C)            veins

                D)           capillaries

                               

20-Which lists the correct pattern for the cycling of fluid within the body?

                A)           blood, lymph, tissue fluid

                B)            blood, tissue fluid, lymph

                C)            tissue fluid, lymph, blood

                D)           tissue fluid, blood, lymph

 

 

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