ANATOMY
Where does the risorius muscle insert?
A) JAW
B) FASCIA OF THE CHEEK
C) PLATISMA
D) MODIOLUS
D) MODIOLUS
Which of the following cell types is responsible for producing collagen in connective tissue?
a) Mast cells
b) Fibroblasts
c) Macrophages
d) Adipocytes
b) Fibroblasts
Which of the following amino acids is essential in humans?
a) Glycine
b) Valine
c) Proline
d) Tyrosine
b) Valine
What is the basic structural and functional unit of bone?
a) Sarcomere
b) Osteon
c) Nephron
d) Alveolus
b) Osteon
1. Who was the first President of the United States?
a) Abraham Lincoln
b) George Washington
c) Thomas Jefferson
d) John Adams
b) George Washington
Through which foramen does the facial nerve exit?
A) Foramen magnum
B) Internal acoustic meatus
C) Jugular foramen
D) Stylomastoid foramen
D) Stylomastoid foramen
Which type of epithelium lines most of the gastrointestinal tract?
a) Stratified squamous epithelium
b) Simple cuboidal epithelium
c) Simple columnar epithelium
d) Transitional epithelium
c) Simple columnar epithelium
Which enzyme is responsible for catalyzing the conversion of pyruvate to acetyl-CoA?
a) Hexokinase
b) Pyruvate dehydrogenase
c) Lactate dehydrogenase
d) Citrate synthase
b) Pyruvate dehydrogenase
Which cell type is responsible for producing antibodies?
a) Neutrophils
b) Plasma cells
c) Macrophages
d) Mast cells
b) Plasma cells
2. In which year did World War II end?
a) 1918
b) 1939
c) 1945
d) 1965
c) 1945
Which foramen does the mandibular nerve exit the skull through?
A) Foramen magnum
B) Foramen lacerum
C) Foramen ovale
D) Foramen rotundum
C) Foramen ovale
Which structure is responsible for protein synthesis in the cell?
a) Mitochondria
b) Ribosomes
c) Golgi apparatus
d) Lysosomes
b) Ribosomes
Which of the following molecules is the main storage form of carbohydrates in animals?
a) Cellulose
b) Glycogen
c) Starch
d) Glucose
b) Glycogen
Which type of muscle is striated and under voluntary control?
a) Smooth muscle
b) Skeletal muscle
c) Cardiac muscle
d) Elastic muscle
b) Skeletal muscle
3. Which ancient civilization built the pyramids?
a) Romans
b) Egyptians
c) Greeks
d) Mayans
b) Egyptians
Which one is the outermost layer of the spinal cord meninges?
A) Pia mater
B) Arachnoid mater
C) Dura mater
D) All of the above
C) Dura mater
What is the main function of hemidesmosomes in epithelial tissue?
a) Allow communication between cells
b) Anchor epithelial cells to the basement membrane
c) Form tight seals to prevent leakage
d) Facilitate movement of cilia
b) Anchor epithelial cells to the basement membrane
Which coenzyme is required for transamination reactions in amino acid metabolism?
a) NAD+
b) FAD
c) Pyridoxal phosphate (Vitamin B6)
d) Biotin
c) Pyridoxal phosphate (Vitamin B6)
What type of epithelium lines the urinary bladder?
a) Simple squamous epithelium
b) Transitional epithelium
c) Simple columnar epithelium
d) Stratified cuboidal epithelium
b) Transitional epithelium
The Great Wall of China was built mainly to protect against:
a) Romans
b) Mongols
c) Greeks
d) Persians
b) Mongols
Which of the following names is given to the anterior tubercle of the sixth cervical vertebra (C6), which is a key landmark for palpating the common carotid artery?
A) Gerdy's tubercle
B) Lisfranc's tubercle
C) Carotid tubercle
D) Lesser tubercle
C) Carotid tubercle
Which connective tissue type is characterized by a large amount of ground substance and few fibers?
a) Dense regular connective tissue
b) Dense irregular connective tissue
c) Loose (areolar) connective tissue
d) Reticular connective tissue
c) Loose (areolar) connective tissue
Which molecule is the main source of energy for cells?
a) DNA
b) ATP
c) RNA
d) NADH
b) ATP
Which connective tissue cell is mainly involved in allergic reactions and secretes histamine?
a) Fibroblast
b) Mast cell
c) Osteocyte
d) Chondrocyte
b) Mast cell
6. Who was the first man to walk on the Moon?
a) Yuri Gagarin
b) Neil Armstrong
c) Buzz Aldrin
d) Michael Collins
b) Neil Armstrong