BIO 122 Circulatory System and Blood Practice Quizzes

Veins of the upper arm include the ________ vein(s).

) basilic b) cephalic c) brachial

Plasma composes about ________ percent of whole blood, and water composes ________ percent of the plasma volume.

55; 92

One of the important properties of blood is the pH. In a healthy individual, the blood pH range is maintained at:

7.35-7.45

If a child with Rh positive antigen is born having Rh disease (anemia, jaundice), then his mother most probably was:

Rh negative

A condition that results in a decrease in the oxygen-carrying capacity of the blood is known as:

anemia

Branches of the popliteal artery include the

anterior tibial artery

Choose the correct sequence for the flow of blood from the heart to the hand:

aorta a., brachiocephalic a., brachial a., ulnar a. and radial a.

Elastic fibers in the walls of which vessels are stretched as the heart beats?

arteries

Blood flows from the heart first to:

arteries, then arterioles, then capillaries, then venules, then veins

The two vertebral arteries fuse to form a large artery, the

basilar artery

The color of a patient with jaundice is due to:

bilirubin

The systemic circuit delivers oxygenated blood to ________ and returns blood to the ________.

body organs; right atrium

The vein that is formed from the fusion of the subclavian with the internal and external jugulars is the ________ vein.

brachiocephalic

The disease sickle cell anemia is an example of what can happen if

c) a gene for adult hemoglobin is abnormal.

RBCs move single file through this structure.

capillary

Which of the following is not a characteristic of venous valves?

channeling blood away from the heart

Capillaries that have a complete lining are called

continuous capillaries

The main function of the heart is to:

create pressure to circulate the blood

Platelets are

cytoplasmic fragments of large cells

Vasoconstriction of the arterioles would have which of the following effects in the amount of blood flowing through the arterioles:

decrease

A thrombosis in a particular area would lead to:

decreased blood flow in that area

The ________ divides the aorta into the thoracic aorta and the abdominal aorta.

diaphragm

Anemia (not the cause of anemia) specifically is defined as:

diminished oxygen-carrying capacity in the blood

Blood from capillaries on the superior surface of the foot drain into a(n)

dorsal venous arch

The ligamentum arteriosum is the remnant of the fetal

ductus arteriosus

The oxygenated blood flowing from the placenta to the fetus through the umbilical vein enters the fetal circulatory system by way of the:

ductus venosus

The foramen ovale in the fetal heart is located in the

e) interatrial septum.

A blood clot that forms in a blood vessel in the leg and finds its way to a blood vessel in the lung is best described as a(n):

embolus

The process of red blood cell production is called

erythropoiesis

The ________ vein is formed by the fusion of the greater saphenous vein, femoral vein, and deep femoral vein.

external iliac

The external iliac artery becomes the ________ artery as it enters the lower limbs.

femoral

Capillaries with a perforated lining are called

fenestrated capillaries

A plasma protein essential for blood coagulation is

fibrinogen

At the arteriole end of a capillary, oxygen and nutrients diffuse:

from the capillary into the interstitial space

Compared to arteries, veins

have thinner walls

The superior vena cava collects blood from the

head, chest, and upper limbs

More than 95 percent of the protein in a red blood cell is

hemoglobin

Some rat poisons contain a toxin that blocks the liver's ability to utilize vitamin K. Animals that consume this poison would die of

hemorrhage

An Rh negative mother could possibly make antibodies against:

her Rh positive child's red blood cells

In which direction would fluid move between the interstitial fluid (fluid around cells) and the capillary at the venule end of the capillary?

into the capillary

Each of the following is a characteristic of whole blood except

its viscosity is about the same as that of water

Which organ secretes most of the plasma proteins?

liver

Pulmonary arteries carry blood to the

lungs

All of the following are components of the cardiovascular system except

lymph vessels

Type O blood has:

neither A or B antigens

During a bacterial infection you would expect to see increased numbers of

neutrophils

The formed element of blood that is produced in the red bone marrow and functions in blood clotting is the:

platelet

At the knee, the femoral artery becomes the ________ artery.

popliteal

The part of the circulatory system that is different from the standard circulatory pattern in that blood flows from capillary into vein and then into sinusoids (for example, in the liver) is called a:

portal system

Blood flow through a capillary is controlled by the

precapillary sphincter

The chief differences between plasma and interstitial fluid involves the concentration of

proteins

Choose the sequence below which will allow blood to clot:

prothrombin, thrombin, fibrinogen, fibrin, clot

Which of the following contain the protein hemoglobin that enables them to carry oxygen?

red blood cells

The ________ artery is the kidney's sole blood supply.

renal

Blood returning from the systemic circuit enters the

right atrium

A patient with atherosclerosis has a great tendency toward thrombosis. This can be attributed to:

rough spots on the lining of blood vessels

When blood is fractionated, its components are ________ for the purpose of analysis.

separated

The organ which is important in the destruction of aging red and white cells and platelets is the:

spleen

After entering the arm, the axillary artery becomes the ________ artery.

subclavian

Near the carotid sinus,

the common carotid divides into an internal and an external branch.

Most of the protein factors that are required for clotting are synthesized by

the liver

Which statement is NOT true of veins?

they always carry deoxygenated blood

Fibrinogen changes to fibrin due to the direct influence of:

thrombin

Which of the following conditions is due to a shortage of platelets?

thrombocytopenia

Arteries that directly supply the plantar portion of the foot branch from the posterior ________ artery.

tibial

The normal composition of blood includes cholesterol, glucose, and blood cells.

true

The normal composition of blood will include proteins, urea, lipids and CO2.

true

Which of the following layers of a vessel contains collagen fibers with scattered bands of elastic fibers?

tunica externa

Which of the following is the innermost layer of a blood vessel?

tunica intimia

The layer of the arteriole wall that can produce vasoconstriction is the

tunica media

The muscular layer of a blood vessel is the

tunica media

Which layer of a blood vessel contains concentric sheets of smooth muscle tissue?

tunica media

The large vessels that return blood to the heart are called

veins

The most common congenital heart defect is

ventricular septum defect

The most abundant component of plasma is

water

Blood from the brain returns to the heart through the ________ vein.

internal jugular

The average lifespan of a red blood cell is

4 months

A typical adult hematocrit is around

45

The volume of blood in the body of an average adult is about:

5-6 liters

In the fetal circulatory system, the ductus arteriosus is:

a vessel connecting the pulmonary artery with the aorta

The condition resulting from a plasma pH below 7.35 is:

acidosis

Whole blood is poured into a test tube. If you want to keep this blood from clotting you would:

add heparin

While the composition of blood is similar to that of lymph, lymph does not contain:

high molecular weight proteins

Plasma proteins essential in body defense are the

immunoglobulins

Blood is drained from the lower portion of the large intestine by the

inferior mesenteric vein

Pernicious anemia caused by a lack of intrinsic factor is specifically treated by

injections of vitamin b12