Free NCLEX Practice Questions

1.)Which of the following is the mRNA start codon in most cases?

UAA
AGU
AUG
UGA

2.)Which of the types of RNA is the smallest?

mRNA
tRNA
rRNA


3.)Which of the following is not considered a pyrimidine?

C
T
U
G

4.)Which of the following is paired correctly?

A-G
C-G
A-U
G-T

5.)Which of the following characterizes a Western blot?

Antibody/protein hybridization
DNA/RNA combination
RNA transcription
Polymerase chain reaction

6.)Which of the following is the approximate prevalence ratio for cystic fibrosis?

1: 25,000
1: 5,000
1: 2,000
1: 800

7.)Which of the following divisions of cell growth precedes Mitosis in the cell cycle?

G2
G1
S
G0

8.)Down syndrome is directly linked to a genetic abnormality of chromosome?

XXII
XXI
XIIX
XV

9.)Which of the following is a characteristic of the Hardy-Weinberg law?

Mating between species occurs at a set rate.
Migration is a considerable factor.
Mutation occurs at the locus
Genotype selection does not occur at the locus

10.)Which of the following is not a characteristic of Hurler’s syndrome?

Autosomal recessive condition
Associated with delayed mental development
Spasticity
Corneal deficits

11.)Which of the following is not a characteristic of Krabbe’s disease?

Autosomal recessive condition
Spasticity
Nausea
Optic nerve deficits

12.)Which of the following is not a characteristic of Fabry’s disease?

X-linked disease
Low levels of a-galactosidase A
Profound muscular weakness
Increased levels of ceramide trihexoside

13.)Which of the following is not a characteristic of Sickle Cell Anemia?

More common in African Americans
Autosomal dominant
Mutation in b globin
Intense chronic pain

14.)Which of the following is not a characteristic of the Southern blot?

DNA hybridization
Use of a filter and film combination
Activated by antigen/antibody reactions
Uses a DNA sample

15.)Which of the following is not a characteristic of S-adenosyl-methionine?

May be associated phosphocreatine
Considered a rate limiting enzyme of glycolysis
Aids in the transfer of methyl
Byproduct of Methionine and ATP combination

16.)Which of the following is not an activated carrier?

ATP
SAM
TPP
GMP

17.)The end product of the TCA cycle produces ____ NADH.

3
4
5
6

18.)How many ATP are required to transform pyruvate into glucose?

5
6
7
8

19.)Which of the following is not a derivative of the amino acid (Tryptophan)?

Melatonin
Serotonin
Creatine
Niacin

20.)Pompe’s disease is a type ___ glycogen storage disease.

I
II
III
IV


Answer Key

Question 1
The right answer was AUG.

Question 2
The right answer was tRNA.

Question 3
The right answer was G.

Question 4
The right answer was C-G.

Question 5
The right answer was Antibody/protein hybridization.

Question 6
The right answer was 1: 2,000.

Question 7
The right answer was G2.

Question 8
The right answer was XXI.

Question 9
The right answer was Genotype selection does not occur at the locus.

Question 10
The right answer was Spasticity.

Question 11
The right answer was Nausea.

Question 12
The right answer was Profound muscular weakness.

Question 13
The right answer was Autosomal dominant .

Question 14
The right answer was Activated by antigen/antibody reactions.

Question 15
The right answer was Considered a rate limiting enzyme of glycolysis
.

Question 16
The right answer was GMP.

Question 17
The right answer was 3.

Question 18
The right answer was 6.

Question 19
The right answer was Creatine.

Question 20
The right answer was II.

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