Proteins

Question 1

An example of a contractile protein is actin

True or false

Answer 1

True

Question 2

The four major groups of amino acids are those that are hydrophobic, uncharged polar, acidic and basic amino acids.

True or false

Answer 2

True

Question 3

Increased level of alpha fetoprotein

Answer 3

Hepatoma

Question 4

Increased level of alpha fetoprotein

Answer 4

Spina bifida

Question 5

Decreased serum albumin

Answer 5

Liver cirrhosis

Question 6

Single spike in the gamma globulins in electrophoresis

Answer 6

Monoclonal gammopathy

Question 7

Absence of albumin peak in electrophoresis

Answer 7

Analbuminemia

Question 8

Decreased serum albumin

Answer 8

Renal impairment

Question 9

Increased level of alpha fetoprotein

Answer 9

Twins

Question 10

______ is the other name for the protein fraction transferrin.

Answer 10

Siderophilin

Question 11

_____ is the protein fraction that travels faster than albumin forward the anode during electrophoresis.

Answer 11

Prealbumin

Question 12

The protein fraction that rises 10-fold or more in nephritic syndrome is _____.

Answer 12

Alpha 2 macroglobulin

Question 13

One of the following is NOT a technique used for protein studies

Answer 13

Betherlot

Question 14

The older methods for determination of protein measures the amount of nitrogen content by the digestion procedure with oxidation with heat and strong sulfuric acid.

True or false

Answer 14

True

Question 15

The pH or point at which the amino acid assumes a net charge of zero is _______.

Answer 15

Isoelectric point

Question 16

_______ is the single most abundant protein in the normal plasma.

Answer 16

Albumin

Question 17

The protein fraction that gives decreased values in autoimmune disease is ______

Answer 17

C3

Question 18

Collagen and keratin are examples of proteins that give mechanical support.

True or false

Answer 18

True

Question 19

The protein fraction that is elevated in pregnancy and the use of birth control pills is

Answer 19

Fibrinogen

Question 20

The minor protein also known as orosomucoid is ______

Answer 20

Alpha 1 acid glycoprotein

Question 21

The largest non-immunoglobulin protein in the plasma is

Answer 21

Alpha 2 macroglobulin

Question 22

______ is the amide linkage formed between the carboxyl group of one amino acid and the amino group of another.

Answer 22

Peptide bond

Question 23

_____ is the transport protein for copper.

Answer 23

Ceruloplasmin

Question 24

The term used for the absence of albumin in the blood is _____.

Answer 24

Analbuminemia

Question 25

The principle of salting out is based on one of the following:

Answer 25

When the salt concentration is increased, water molecules are attracted by salt ions which decreases the number of water molecules available to interact with the charged part of the protein.

Question 26

O-dianisidine is an example of a dye that can be used in the colorimetric method for albumin determination.

Answer 26

False

Question 27

The method for determination of protein that measures the number of peptide bonds that can react with copper is one of the following

Answer 27

Biuret method

Question 28

______ is a type of protein that combines with hemoglobin released by lysis of the RBC in order to preserve body iron stores.

Answer 28

Haptoglobin

Question 29

____ is the most sensitive acute phase reactant

Answer 29

CRP

Question 30

Protein fraction is used as an index of malnutrition

Answer 30

Prealbumin

Question 31

Gastric phase

Answer 31

Pepsin

Question 32

Pancreatic phase

Answer 32

Chymotrypsin

Question 33

Intestinal phase

Answer 33

Aminopeptidase

Question 34

Serine is an example of an essential amino acid. True or false

Answer 34

False

Question 35

In cases of low albumin levels, the patient exhibits edema because of one of the following reasons.

Answer 35

It regulates osmotic pressure