A&P 2 Practice Test

Which of the following is NOT a function of blood

• ph/osmosis regulation

• maintenance of body temperature

• protection from microbes

• transportation

• Blood thinning

Answer explanation

The 5th function is clot formation, not blood thinning

How many Litres of blood should an average man/woman have

• 5-6 L female

  4-5 L malw

• 3-4 L female

  4-5 L male

• 5-6 L male

  4-5 L female

• 3-4 L male

  4-5 L female

True or False, plasma has liquid containing suspended particles that easily settle out

• True

• False

Answer explanation

While blood separates into blood and plasma, plasma itself is a COLLOID mixture meaning that it has uniform distribution

Which of the following is NOT a protein contained in plasma

• Globulin

• Albumin

• Myosin

• Fibrinogen

What job does albumin serve in the plasma

• transport lipids, carbs, hormones, ions

• clot blood

• thin blood

• maintain viscosity, osmotic pressure, buffer, transport fatty acids

What ion changes things from an base into an acid

• iodine

• calcium

• potassium

• sodium

• hydrogen

Where are RBCs produced after birth

• thymus

• liver

• spleen

• red bone marrow

• yellow bone marrow

Answer explanation

Before birth red blood cells are produced in all of the following places

T/F RBCs can reproduce

• True

• False

Answer explanation

They lack a nucleus (anucleate) so they cannot reproduce

How many sub-units does hemoglobin have

• 1

• 2

• 3

• 4

Answer explanation

Each subunit contains a heme & a globin molecule too

What type of hemoglobin has the HIGHEST affinity for O2

• Deoxyhemoglobin

• embryonic hemoglobin

• fetal hemoglobin

• adult hemoglobin