GCSF2013 CARDIOVASCULAR SYSTEM QUIZ 1

Which of the following functions is associated with the blood?

• Delivery of oxygen to tissue cells

• Changing gene expression of target cells

• Transport of neurotransmitters across synapses

• Transport of digestive enzymes to the small intestine

he component of plasma that forms threadlike proteins during blood clotting is ______.

• sodium.

• globulin.

• albumin.

• fibrinogen.

When defective erythrocytes are broken down,

• their iron is excreted into the small intestine.

• they are removed from the blood by the lungs.

• their heme groups are converted into amino acids.

• bilirubin is formed from the breakdown of hemoglobin.

Which of the following cell types is incorrectly matched with its description?

• Basophils – release histamine

• Lymphocytes – become macrophages

• Monocytes – largest of the white blood cells

• Neutrophils – most numerous white blood cells

Platelets are continually produced in the red bone marrow by cells called _____________.

• myelocytes

• plasma cells

• megakaryocytes

• proerythroblasts

During platelet plug formation,

• vitamin K production increases.

• activated platelets release fibrinogen.

• thrombin is released from endothelial cells.

• platelets stick to the exposed collagen fibers of injured vessels.

Choose the arrangement that lists the chemicals in the order in which they would be used for coagulation.

(1) thrombin

(2) fibrinogen

(3) prothrombinase

(4) activated factor X

• 3, 2, 4, 1

• 3, 4, 1, 2

• 4, 3, 2, 1

• 4, 3, 1, 2

A person with type B blood

• has antigen A.

• has anti-A antibodies.

• has anti-B antibodies.

• will have a transfusion reaction if given type B blood.

The left side of the heart pumps blood through the __________ circulation, which delivers oxygen and nutrients to all the remaining tissues of the body.

• fetal

• systemic

• coronary

• pulmonary

We describe the heart as having left and right sides. Anatomically, the heart is tilted, and the left side of heart is located more __________, relative to the right side of the heart.

• inferiorly

• superiorly

• posteriorly

• to the right