Deck 35: Plasma and Red Blood Cells

Question 1

The contribution of the proteins in plasma to its total osmotic pressure is called the

A) on cotic p ressu re
B) tissue pressure
C) colloid osm otic p ressu re
D) edem atous press ure
E) A and C are correct

Answer 1

A

Question 2

Persons with type A blood

A) Have antibodies (agglutinins) to type B blood
B) Cannot receive blood from persons with type O blood
C) Have type B agglutinogens
D) Are universal donors
E) Can receive blood from persons with type AB blood

Answer 2

A

Question 3

The shape of erythrocytes is maintained primarily by

A) The plasma m embrane
B) Intracellular pressure
C) The cytoskeleton
D) The Na-K-ATPase
E) A constant osmotic pressure difference across the mem brane

Answer 3

C

Question 4

The pla sm a p ro tein tha t co ntr ibu tes the m os t to th e o nc otic pre ss ur e is

A) Albu m in
B) Fibrinogen
C) a
D) IgA
E) IgG

Question 5

The lifespan of the red blood cell in the adult human is normally about

A) 10 da ys
B) 30 da ys
C) 60 da ys
D) 120 da ys
E) 36 0 d ays

Question 6

The [Cl-] in plasm a is clo ses t to

A) 10 µM
B) 100 µM
C) 1 mM
D) 10 mM
E) 100 mM

Question 7

The pa rt o f Ig G tha t bin ds an tige ns is

A) FC
B) Fab
C) C on sta nt p ar t of the he av y ch ain
D) C on sta nt p ar t of the ligh t ch ain
E) These proteins do not bind antigens

Question 8

The m os t ab un da nt ( by w eig ht a nd by n um be r of pa rtic les ) of the pla sm a p ro tein s is

A) Albu m in
B) a
C) Fibrinogen
D) ç globulins
E) Globulins

Question 9

Which of the following statements about hemoglobin is NOT TR UE:

A) The m ost comm on form of hemoglobin in the adult is a þ
B) Hem oglobin has four chains and four heme groups
C) Hem e groups in hemoglobin consist of porphyrin ring and an Fe atom
D) Breakdown of h em og lob in pro du ces on e biliru bin m olec ule p er h em og lob in m olec ule
E) Sickle cell anemia results from a single amino acid substitution in the þ ch ain

Question 10

Fetal hemoglobin is different from adult hemoglobin because

A) It takes som e time for the gen es to m ature
B) The fetus doesn't mak e enough of some k inds of amino acids
C) The fetus' hemoglobin must bind O 2 m ore av idly th an the m oth er's h em og lob in
D) The blood pH of the fetus is lower than the pH of the mother
E) The fetus hemoglobin binds O 2 at higher concen trations of O 2 than the adult form

Question 11

Erythrocytes are typically described as

A) Spheres
B) Oblate elipsoids
C) Biconcave disks
D) Spheroid elipsoids
E) Prolate elipsoids

Question 12

Hem oglobin breakdown products are excreted

A) As biliru bin glu cu ro nid e in the bile
B) As urobilinogen in the urine
C) As stercobilin in the feces
D) In 4X the molar ratio to hemoglobin because hemoglobin has 4 hemes
E) All of the above are true

Question 13

People with type AB blood are called "universal recipients because

A) They lack both A and B agglutinogens
B) They have both A and B agglutinins
C) They lack both A and B agglutinins
D) Their antibodies are univalent and cannot cross-link
E) They have IgM directed against only O type blood

Question 14

Total plasma protein is about

A) 6 g per L
B) 60 g per L
D) 6 mg per dL
E) 60 mg per dL
F) 6 m g per L