Physiology
Anatomy
Histology
Biochemistry
Miscellaneous
100

What are the characteristics of the preconscious?

a) Chronological elaboration.

 b) Logical lack.

 c) Fills existential gaps between isolated ideas and introduces the causal factor.

D) All of the above.

D) All of the above.

100

How many bones do we have in the adult human body?
a) 196
b) 206
c) 216
d) 226

b)206

100

What is the basic structural and functional unit of tissues?

a) Organ.

b) Cell.

c) System.

d) Apparatus.

b) Cell.

100

 Adenine nucleotide that acts as an energy currency

a) ATP.

b) ADP.

c) NAD+.

d) Pyruvate.

a) ATP.

100

DNA is made up of nucleotides that contain:

 a) Lactic acid, phosphate, and adenine.

 b) Deoxyribose, phosphate, and nitrogenous base 

 c) Ribose, phosphate, and lipids.

 d) Proteins, phosphate, and RNA.

b) Deoxyribose, phosphate, and nitrogenous base.

200

It is determined by heredity and environment: 

a) Personality.

b) Person.

 c) Culture.

d) Temperament.

a) Personality.

200

What is the longest bone in the human body?
a) Tibia.
b) Femur.
c) Humerus.
d) Fibula.

b) Femur.

200

Which of the following epithelia is multistratified and squamous?

a) Intestinal epithelium.

b) Respiratory epithelium.

c) Epithelium of the epidermis.

d) Renal tubule epithelium.

c) Epithelium of the epidermis.

200

How many kcal/g do carbohydrates contribute to the diet?

a) 4 kcal/g.

b) 9 kcal/g.

c) 20 kcal/g.

d) 10 kcal/g.

a) 4 kcal/g.

200

Which of the following bases is unique to RNA?

  a) Adenine.

 b) Thymine.

 c) Uracil.

 d) Cytosine.

c) Uracil.

300

It constitutes the source of our motivations, whether simple desires or neurotic compulsions. Furthermore, we have a tendency to deny or resist these motivations from conscious perception, so that they are only observable in different ways:

a) Preconscious.

 b) Subconscious. 

c) Unconscious.

d) None of the above.

c) Unconscious.

300

From which main artery do the coronary arteries originate?
a) Pulmonary artery.
b) Carotid artery.
c) Aorta.
d) Subclavian artery.

c) Aorta.

300

Which connective tissue cell is the main producer of collagen fibers?

a) Mast cell.

b) Macrophage.

c) Fibroblast.

d) Adipocyte.

c) Fibroblast.

300

Sucrose is composed of:

a) Galactose and glucose.

b)  Glucose and fructose.

c) Sucrose and maltose.

d) Glucose and sucrose.

b)  Glucose and fructose.

300

The enzyme that unwinds DNA during replication is:

 a) DNA polymerase.

 b) Helicase. 

 c) Primase.

 d) Ligase.

b) Helicase.

400

 It refers to everything we are able to remember; those memories that are not available at the moment, but that we are able to bring to consciousness. It is related to the external environment and the unconscious. Its contents are composed of elements from the unconscious on their way to the conscious:

a) Preconscious.

b) Subconscious. 

c) Unconscious.

d) None of the above.

a) Preconscious.

400

Which artery supplies the seminiferous tubules within the testes?
a) Testicular artery.
b) Renal artery.
c) Inferior mesenteric artery.
d) Internal iliac artery.

a) Testicular artery.

400

In a histological section of hyaline cartilage, what characteristic differentiates it from other cartilages?

 a) Presence of visible elastic fibers.

b) Presence of chondrocytes in lacunae.

c) Presence of blood vessels in the matrix.

d) Presence of thick, dense collagen fibers.

b) Presence of chondrocytes in lacunae.

400

These are the only amino acids that do not participate in transamination reactions:

a) Glu and Gin.

b) Pro and Leu.

c) Ser and Val.

d) Thr and Lys.

d) Thr and Lys.

400

The "degenerate genetic code" means that:

 a) One codon can code for several amino acids.

 b) Several codons can code for the same amino acid.

 c) Each amino acid only has one specific codon.

 d) No codon codes for more than one amino acid.

b) Several codons can code for the same amino acid.

500

Group B. Dramatic or emotional:

a) Avoidant, dependent, obsessive-compulsive.

b) Borderline, hysterical, narcissistic, antisocial.

c) Schizoid, schizotypal, paranoid.

d) All of the above.

b) Borderline, hysterical, narcissistic, antisocial.

500

Which nerve provides motor innervation to the majority of the muscles of the tongue?
a) Glossopharyngeal nerve (CN IX).
b) Hypoglossal nerve (CN XII).
c) Vagus nerve (CN X).
d) Facial nerve (CN VII).

b) Hypoglossal nerve (CN XII).

500

What is the main histological characteristic of Purkinje fibers in the heart?

a) They are smaller than common muscle fibers.

b) They have abundant myofibrils and little glycogen.

c) They are larger, with fewer myofibrils and abundant glycogen.

d) They completely lack nuclei.

c) They are larger, with fewer myofibrils and abundant glycogen.

500

The sequence of formation of reactive oxygen species is:

a) Hydrogen peroxide → superoxide radical → hydroxyl radical.

b) Hydroxyl radical → hydrogen peroxide → hydroxyl radical.

c) Hydroxyl radical → superoxide radical → hydrogen peroxide.

d) None of the above.

b) Hydroxyl radical → hydrogen peroxide → hydroxyl radical.

500

In eukaryotes, the mRNA maturation process includes:

 a) Only the translation of the message.

 b) Splicing, addition of the 5' cap and poly-A tail.

 c) Only the removal of introns.

 d) Direct binding of  mRNA to the ribosome without modification.

b) Splicing, addition of the 5' cap and poly-A tail.

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