Which statement is correct about the transition zone?
a) It changes from simple epithelium to stratified epithelium.
b) It changes from cuboidal epithelium to muscle tissue.
c) It changes from columnar epithelium to connective tissue.
d) It changes from squamous epithelium to hyaline cartilage.
a) It changes from simple epithelium to stratified epithelium.
¿Cómo se llama el siguiente hueso?
A) Frontal
B) Temporal
C) Hueso etmoides
D) Hueso esfenoides
D) Hueso esfenoides
¿Qué órganos intervienen en el mantenimiento del equilibrio del pH en el cuerpo humano?
A) Pulmones, riñones, sistemas de amortiguación y corazón
B) Corazón, cerebro, estómago y piel.
C) Hígado, páncreas, bazo e intestinos
D) Pulmones, riñones y sistemas de amortiguación
D) Pulmones, riñones y sistemas de amortiguación
What is the duration of gastrulation?
a) Day 14 to 17
b) Day 15 to 18
c) Day 16 to 19
d) Day 18 to 21
b) Day 15 to 18
Who is known as the “Father of Medicine”?
A) Aristotle
B) Hippocrates
C) Galen
D) Socrates
B) Hippocrates
These are finger-like projections of the apical membrane of epithelial cells, associated with absorption and composed of actin:
a) Motile cilia.
b) Microvilli.
c) Stereocilia.
d) Flagella.
b) Microvilli
¿Cuántos huesos tiene el viscerocraneal?
A) 8
B) 15
C) 10
D) 17
B) 15
Which of the following are aromatic amino acids?
A) Glycine, Alanine, Serine
B) Leucine, Isoleucine, Valine
C) Phenylalanine, Tyrosine, Tryptophan
D) Lysine, Arginine, Histidine
C) Phenylalanine, Tyrosine, Tryptophan
What type of shoe did Cinderella leave behind at the ball?
A) Golden sandal
B) Silver high heel
C) Glass slipper
D) Crystal boot
C) Glass slipper
To which localization does the figure belong?
a) Endocrine gland.
b) Ovarian epithelium.
c) Intestinal mucosa.
d) Vaginal cytology.
d) Vaginal cytology
¿A qué estructura proporciona inervación motora el nervio frénico?
A) Diafragma
B) Platisma
C) Trapecio
D) Romboides
A) Diafragma
What is the compensatory mechanism when respiratory acidosis occurs?
A) Renal compensation (HCO₃⁻ > 24 mEq/L)
B) Respiratory compensation (PCO₂ > 40 mmHg)
C) Respiratory compensation (PCO₂ < 40 mmHg)
D) Renal compensation (HCO₃⁻ < 24 mEq/L)
A) Renal compensation (HCO₃⁻ > 24 mEq/L)
Who originally performed the song “Stand by Me”?
A) Elvis Presley
B) Ben E. King
C) Sam Cooke
D) Ray Charles
B) Ben E. King
Which type of apoptosis is induced by the absence of interaction between the cell and the extracellular matrix and is triggered by the activation of the Bcl-2 protein family?
a) Necrosis.
b) Anoikis.
c) Autophagy.
d) Pyroptosis.
b) Anoikis.
¿Qué vértebra es?
A) Cervical vertebra
B) Thoracic vertebra
C) Lumbar vertebra
D) Sacred vertebra
C) Lumbar vertebra
How much metabolic (oxidation) water is produced by a person who consumes 350 g of protein?
A) 0.14 L
B) 1.44 L
C) 0.85 L
D) 2.00 L
A) 0.14 L
How many years did the Hundred Years’ War last?
a) 99 years
b) 100 years
c) 120 years
d) 116 years
d) 116 years
Which junctions are formed by 12 subunits of proteins from the connexin family?
a) Tight junctions.
b) Gap junctions.
c) Desmosomes.
d) Hemidesmosomes.
b) Gap junctions.
¿Qué porción de la arteria subclavia pasa a través del triángulo omoclavicular?
A) Cuarta porción
B) Segunda porción
C) Primera porción
D) Tercera porción
D) Third portion
Which interactions stabilize the R groups in a protein’s tertiary structure?
A) Peptide, glycosidic and hydrophobic
B) Ionic, hydrogen bonds, hydrophobic and disulfide
C) Hydrophobic, glycosidic and peptide
D) Hydrogen, phosphodiester and peptide
B) Ionic, hydrogen bonds, hydrophobic and disulfide
What is the only city in the world located in two continents?
a) Norway
b) England
c) Turkey
d) Kazakhstan
c) Turkey