Anatomy
What is cranial nerve XII?
A) Eyepiece
B) vestibulo-trochlear
C)abducens
D) hypoglossal
What does molarity refer to?
A) refers to the number of moles of solute solvent in one liter
B) to a solution
C) to a solvent
D) to a solvent
1. Where does fertilization most commonly occur?
a) Infundibulum of the fallopian tube
b) Isthmus of the fallopian tube
c) Ampulla of the fallopian tube
d) Uterine body
1. Which type of epithelial tissue covers surfaces subjected to intense friction?
a) Simple cuboidal epithelium
b) Stratified squamous epithelium
c) Simple columnar epithelium
d) Transitional epithelium
How are Ninel Conde and Lorena Herrera similar?
A) in the way of dressing
B) in that they have a beautiful body
c)En qué son artistas
D)In its beginnings
In which bone is the foramen magnum located?
A) etmoides
B)parietal
C) occipital
D) frontal
Deoxygenated HB acts as?
A) Strongest base
B) chromatography
C) acidosis
D) Acid base
2. Which structure implants into the endometrium at the beginning of the second week?
a) Morula
b) Blastocyst
c) Gastrula
d) Trilaminar embryo
2. Which cell is responsible for the synthesis of collagen fibers in connective tissue?
a) Chondrocyte
b) Fibroblast
c) Osteocyte
d) Adipocyte
Imagine that you read two medical articles with different conclusions about the same treatment. What steps would you follow to analyze which one is more reliable?
A) Choose the article that has the most pages
B) Verify the source, the author and the scientific evidence
C) Choose the one with the most striking images
D) Read only the summary of the most recent article
Which craneal nerve innervates the trapezius?
A) accesorio
B) troclear
C)vago
D)abducens
Hydrogen bonds keep water molecules tightly bound together through
A) cohesion
B) participation
C) ionization
D) hydrogen bonds
3. During the third week, which process forms the three germ layers?
a) Cleavage
b) Neurulation
c) Gastrulation
d) Morphogenesis
3. Which type of connective tissue has a matrix rich in elastic fibers, allowing stretch, as seen in the aorta?
a) Dense regular connective tissue
b) Elastic connective tissue
c) Loose connective tissue
d) Elastic cartilage
Why is it important to write a clear and precise medical note or clinical report?
A) To impress co-workers
B) Because patients read it all the time
C) To avoid misinterpretations that affect medical care
D) Because it is mandatory in all countries
Which branch does the occipital artery belong to?
A)carotida interna
B) aorta
C)carotida externa
D)yuglular
Peptide that protects blood cells from hydrogen peroxide?
A) Glutathione
B) Magnesium
C) Sodium
D) Carbon
4. In the fourth week, which fold allows the embryo to acquire a tubular shape?
a) Cephalic and caudal folds
b) Somitic folds
c) Branchial folds
d) Yolk sac folds
4. Which immune cells present in lymph nodes act as antigen-presenting cells to activate T lymphocytes?
a) B lymphocytes
b) Dendritic cells
c) Macrophages
d) Mast cells
Mention a situation where the use of a presentation (such as in PowerPoint) could be useful during your training as a medical student.
A) When presenting a topic in class in front of your classmates
B) When taking notes in a medical consultation
C) To replace textbooks
D) To record audios of your classes
What is the proximal inserción of the sternocleidomastoid?
A) mastoides
B)clavícula
C) esternon
D) escapula
Normal PCO2 value?
A)40 nmg
B)15 nmg
C)27 nmg
D)35nmg
5. By the end of the eighth week, which clinical feature indicates that primary organogenesis is nearly complete?
a) Functional respiratory system
b) Limbs with separated fingers
c) Development of external genitalia
d) Fully functional digestive system
5. What is the main function of lymphatic tissue in lymph nodes?
a) Hormone production
b) Lymph filtration and immune response
c) Oxygen transport
d) Structural support of organs
Which of the following components is considered the "brain" of a computer, since it is responsible for processing most of the instructions and data?
A) Motherboard
B) Central Processing Unit (CPU)
C) Pop record
D) RAM memory