Question 1

Which of the following blood cells is most abundant in a normal blood smear and is primarily responsible for phagocytosing bacteria?

Accepted Answer

Neutrophil

Question 2

A patient with blood type O- needs a transfusion. Which blood types can safely donate to this patient?

Accepted Answer

O- only

Question 3

Which blood vessel carries oxygenated blood from the heart to the rest of the body?

Accepted Answer

Aorta

Question 4

On a microscope slide, which cell type would you identify by its large, kidney-shaped nucleus and its role in phagocytosis and antigen presentation?

Accepted Answer

Monocyte

Question 5

Which layer of an artery is primarily responsible for vasoconstriction and vasodilation?

Accepted Answer

Tunica media

Question 6

A person with blood type AB+ can receive blood from which of the following types?

Accepted Answer

All blood types

Question 7

Which white blood cell is most associated with allergic reactions and the release of histamine?

Accepted Answer

Basophil

Question 8

If a blood sample agglutinates when mixed with anti-A and anti-Rh antibodies, but not with anti-B, what is the blood type?

Accepted Answer

A+

Question 9

Which vessel would you expect to find a valve in when viewing a microscope slide?

Accepted Answer

Vein

Question 10

Which of the following is the correct order of abundance for white blood cells in human blood?

Accepted Answer

Neutrophils, Lymphocytes, Monocytes, Eosinophils, Basophils

Question 11

A patient with B+ blood type has which antigens and antibodies present?

Accepted Answer

B antigen, Rh antigen, anti-A antibodies

Question 12

Which vessel is responsible for draining blood from the lower limbs back to the heart?

Accepted Answer

Great saphenous vein

Question 13

Which blood cell type is primarily involved in the immune response against parasitic infections?

Accepted Answer

Eosinophil

Question 14

If a person with A- blood receives B+ blood, what is the most likely immune response?

Accepted Answer

Agglutination due to anti-B and anti-Rh antibodies

Question 15

Which of the following equations correctly represents the calculation for cardiac output ($CO$) in terms of heart rate ($HR$) and stroke volume ($SV$)?

Accepted Answer

$CO = HR 	imes SV$

Question 16

Which vessel is a branch off the aortic arch and supplies blood to the right arm and head?

Accepted Answer

Brachiocephalic trunk

Question 17

Which of the following is a function of lymphocytes?

Accepted Answer

Production of antibodies

Question 18

A patient with O+ blood can donate to which of the following blood types?

Accepted Answer

O+, A+, B+, AB+

Question 19

Which of the following arteries supplies blood to the lower limb?

Accepted Answer

Femoral artery

Question 20

Which of the following is a distinguishing feature of veins compared to arteries when viewed under a microscope?

Accepted Answer

Presence of valves

Blood Cells, Blood Typing, and Circulatory System Study Guide

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