anatomy
What is the largest organ in the human body?
A) Liver
B) Skin
C) Lungs
D) Heart
B) Skin
During which week does implantation of the blastocyst usually occur?
a) 1st week
b) 2nd week
c) 3rd week
d) 4th week
b) 2nd week
Which vitamin is essential for vision (rhodopsin)?
A) Vitamin A
B) Vitamin D
C) Vitamin E
D) Vitamin K
A) Vitamin A
Which type of epithelium lines the alveoli of the lungs?
A) Simple squamous
B) Simple cuboidal
C) Simple columnar
D) Stratified squamous
A) Simple squamous
In computing, what does “HTTP” stand for?
A) Hyper Text Transfer Protocol
B) High Tech Transmission Program
C) Hyperlink Transfer Tool Process
D) Host Terminal Transfer Protoco
A) Hyper Text Transfer Protocol
Which cranial nerve controls the lateral rectus muscle of the eye?
A) CN III (Oculomotor)
B) CN IV (Trochlear)
C) CN VI (Abducens)
D) CN VII (Facial)
C) CN VI (Abducens)
The primitive streak appears in which structure?
a) Hypoblast
b) Epiblast
c) Cytotrophoblast
d) Syncytiotrophoblast
✅ Correct answer: b) Epiblast
b) Epiblast
The urea cycle primarily occurs in which organ?
A) Kidney
B) Liver
C) Pancreas
D) Small intestine
B) Liver
Goblet cells secrete mainly:
A) Enzymes
B) Hormones
C) Mucus
D) Surfactant
D) Complex IV
ich country has the most official languages?
A) India
B) Switzerland
C) South Africa
D) Canada
C) South Africa (11 official languages)
The femoral triangle contains all of the following EXCEPT:
A) Femoral artery
B) Femoral vein
C) Femoral nerve
D) Sciatic nerve
D) Sciatic nerve
Which of the following derivatives comes from neural crest cells?
a) Hepatocytes
b) Melanocytes
c) Kidney nephrons
d) Skeletal muscles of the trunk
b) melanocytes
Which enzyme is deficient in classic galactosemia?
A) Galactokinase
B) Aldolase B
C) Galactose-1-phosphate uridyltransferase
D) Hexokinase
C) Galactose-1-phosphate uridyltransferase
The central canal of the spinal cord is lined by:
A) Astrocytes
B) Microglia
C) Ependymal cells
D) Oligodendrocytes
C) Ependymal cells
What is the capital city of Japan?
A) Kyoto
B) Tokyo
C) Osaka
D) Hiroshima
B) Tokyo
Which artery supplies most of the blood to the brain?
A) Internal carotid artery
B) External carotid artery
C) Vertebral artery
D) Middle meningeal artery
A) Internal carotid artery
The intraembryonic coelom eventually gives rise to:
a) Amniotic cavity
b) Extraembryonic mesoderm
c) Body cavities (pericardial, pleural, peritoneal)
d) Notochord
c) Body cavities (pericardial, pleural, peritoneal)
Which amino acid is a precursor for serotonin?
A) Tryptophan
B) Tyrosine
C) Glycine
D) Histidine
A) Tryptophan
Which connective tissue fiber is most abundant in bone matrix?
A) Reticular fibers
B) Elastic fibers
C) Collagen type I
D) Collagen type II
C) Collagen type I
Who played Jack in Titanic?
A) Brad Pitt
B) Leonardo DiCaprio
C) Tom Cruise
D) Matt Damon
B) Leonardo DiCaprio
ich laryngeal muscle is the only one innervated by the external branch of the superior laryngeal nerve?
A) Posterior cricoarytenoid
B) Cricothyroid
C) Thyroarytenoid
D) Lateral cricoarytenoid
B) Cricothyroid
Which of the following correctly describes the origin of the pharyngeal arches?
a) They are formed exclusively from endoderm.
b) They are formed by mesoderm and neural crest cells, covered externally by ectoderm and internally by endoderm.
c) They are derived only from paraxial mesoderm.
d) They arise from the trophoblast.
b) They are formed by mesoderm and neural crest cells, covered externally by ectoderm and internally by endoderm.
In oxidative phosphorylation, which complex is inhibited by cyanide?
A) Complex I
B) Complex II
C) Complex III
D) Complex IV
D) Complex IV
In the pancreas, insulin is secreted by:
A) Alpha cells
B) Beta cells
C) Delta cells
D) PP cells
B) Beta cells
Which movie won the first ever Academy Award for Best Picture (1929)?
A) Wings
B) Metropolis
C) Casablanca
D) The Jazz Singer
A) Wings