• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/39

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

39 Cards in this Set

  • Front
  • Back

The majority of whole blood is __________.

plasma

What is hematocrit a measure of?

Hematocrit is the percentage of erythrocytes in a whole blood sample.

What does dark red blood indicate?

oxygen-poor blood

In a centrifuged sample of blood, what makes up the buffy coat?

white blood cells and platelets

The main protein in blood plasma is __________.

albumin

Which of the following is a function of blood?

protection, regulation, and distribution

Which plasma constituent is the main contributor to osmotic pressure?

albumin

What triggers erythropoietin (EPO) production to make new red blood cells?

reduced availability of oxygen

How many oxygen molecules can be transported by one hemoglobin molecule?

four

Specifically, what is the production of red blood cells called?

erythropoiesis

What part of the body does erythropoietin (EPO) target to increase erythropoiesis?

bone marrow

What part of the hemoglobin molecule is recycled to form bile?

a portion of the heme group

Which of the following is not a distribution function of blood?

transport of salts to maintain blood volume

When a person has an acute bacterial infection, such as meningitis or appendicitis, which type of leukocyte increases in number?

neutrophils

Which type of leukocyte is responsible for antibody production?

lymphocytes

When we take anti-histamines, we are countering the effects of which type of leukocyte?

basophils

The process that converts fibrinogen to fibrin and results in the formation of a more solid clot is called __________.

coagulation

Lepirudin is a drug that inhibits thrombin. It will have an effect specifically on the __________.

common pathway of coagulation

The first step of hemostasis is __________.

vascular spasm

Type A blood contains __________.

A antigens and anti-B antibodies

Which of the following statements about capillaries is INCORRECT?

The velocity of blood flow increases as blood flows into capillaries.

What vessels typically carry blood away from the heart?

arteries

Which of the following will cause in increase in peripheral resistance?

obstructions in vessels

The outward force that blood exerts on the walls of blood vessels is:

blood pressure.

What two factors determine the pressure gradient that drives circulation?

cardiac output and peripheral resistance

The baroreceptor reflex response to high blood pressure is __________.

vasodilation and decreased cardiac output

Which of the following stimuli is detected by a chemoreceptor?

decreased blood oxygen concentration

The leakiest capillaries, which allow large substances such as cells to cross the capillary walls are called __________.

sinusoidal capillaries

The force that pulls water into capillaries is called the __________.

osmotic pressure

Which pressure is created by the presence of large proteins in the blood, such as albumin?

colloid osmotic pressure

Determine the net filtration pressure (NFP) if capillary hydrostatic pressure is 40 mm Hg and the colloid osmotic pressure is 25 mm Hg.

15 mm Hg

Place in order from superficial to deep the three tunics of a typical blood vessel.

tunica externa, tunica media, tunica intima

Which blood vessel tunic is innervated by nerves from the sympathetic nervous system?

tunica media

Which of the following is TRUE of veins?

Veins have thinner walls than arteries.

Calculate the mean arterial pressure (MAP) if the systolic pressure is 120 mm Hg and the diastolic pressure is 90 mm Hg.

100 mm Hg

Which of these changes will result in increased blood pressure?

increased blood volume

Which blood vessels experience the sharpest decrease in blood pressure?

systemic arterioles

If the chemoreceptors detect a decrease in blood oxygen concentration, they will trigger __________.

vasoconstriction and increased cardiac output

Which nervous system promotes increased peripheral resistance and increased blood pressure through the vasoconstriction of systemic arterioles?

sympathetic nervous system