Histology
Which of the following is not a basic type of tissue in the human body?
a) Epithelial tissue
b) Connective tissue
c) Nervous tissue
d) Cartilage tissue
d) Cartilage tissue
How many bones make up the adult human skeleton?
a) 196
b) 206
c) 210
d) 201
b) 206
Which of the following is a monosaccharide?
a) Sucrose
b) Maltose
c) Glucose
d) Lactose
c) Glucose
Which of the following is the site of fertilization in humans?
a) Cervix
b) Ovary
c) Fallopian tube (ampulla)
d) Uterus
c) Fallopian tube (ampulla)
Who was the first man to walk on the moon?
a) Yuri Gagarin
b) Neil Armstrong
c) Buzz Aldrin
d) Juan Glenn
b) Neil Armstrong
Which type of epithelial tissue lines the alveoli of the lungs?
a) Simple squamous epithelium
b) Stratified squamous epithelium
c) Simple cuboidal epithelium
d) Transitional epithelium
a) Simple squamous epithelium
What is the main muscle responsible for inspiration during breathing?
a) External intercostals
b) Diaphragm
c) Sternocleidomastoid
d) Serratus anterior
b) Diaphragm
Which of the following amino acids is essential for humans?
a) Glycine
b) Leucine
c) Aspartic acid
d) Alanine
b) Leucine
At what stage does the human embryo typically implant into the uterine wall?
a) Zygote stage
b) Morula stage
c) Blastocyst stage
d) Gastrula stage
c) Blastocyst stage
What animal is the national symbol of Australia?
a) Kangaroo
b) Koala
c) Emu
d) Dingo
a) Kangaroo
What is the main function of fibroblasts in connective tissue?
a) Produce myelin
b) Secrete collagen and extracellular matrix
c) Absorb nutrients
d) Conduct electrical signals
b) Secrete collagen and extracellular matrix
What are the three layers that make up the meninges of the central nervous system?
a) Dura mater, arachnoid, and pia mater
b) Endomysium, perimysium, and epimysium
c) Visceral pleura, parietal pleura, and diaphragm
d) Endocardium, myocardium, and pericardium
a) Dura mater, arachnoid, and pia mater
What is the main role of ATP in cellular metabolism?
a) Store genetic information
b) Act as a structural protein
c) Provide energy for biochemical reactions
d) Transport oxygen in the blood
c) Provide energy for biochemical reactions
Which germ layer gives rise to the central nervous system?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) Trophoblast
a) Ectoderm
In what year did Christopher Columbus arrive in America?
a) 1492
b) 1500
c) 1519
d) 1453
a) 1492
Which of the following is a distinguishing feature of cardiac muscle tissue under the microscope?
a) Long cylindrical multinucleated fibers without striations
b) Intercalated discs connecting striated, branched cells
c) Non-striated spindle-shaped cells with central nuclei
d) Dense collagen bundles with little vascularization
b) Intercalated discs connecting striated, branched cells
Which are the main terminal branches of the brachial plexus?
a) Radial, median, ulnar, axillary, and musculocutaneous
b) Radial, sciatic, femoral, obturator, and axillary
c) Intercostal, vagus, radial, ulnar, and femoral
d) Median, sciatic, radial, obturator, and axillary
a) Radial, median, ulnar, axillary, and musculocutaneous
Which enzyme is responsible for catalyzing the conversion of pyruvate to acetyl-CoA?
a) Hexokinase
b) Pyruvate kinase
c) Pyruvate dehydrogenase complex
d) Lactate dehydrogenase
c) Pyruvate dehydrogenase complex
The notochord plays a critical role in development by:
a) Forming the placenta
b) Inducing neural tube formation
c) Producing amniotic fluid
d) Developing into skeletal muscle
b) Inducing neural tube formation
Which is the most abundant metal in the Earth’s crust?
a) Iron
b) Aluminum
c) Copper
d) Gold
b) Aluminum
In the context of hematopoiesis, where are megakaryocytes typically found, and what is their function?
a) In the lymph nodes; producing lymphocytes
b) In the spleen; filtering aged red blood cells
c) In the bone marrow; producing platelets
d) In the liver; storing iron
c) In the bone marrow; producing platelets
Where is cerebrospinal fluid (CSF) produced and reabsorbed?
a) It is produced in the cerebellum and reabsorbed in the thalamus
b) It is produced in the choroid plexus and reabsorbed in the arachnoid villi
c) It is produced in the spinal cord and reabsorbed in the medulla oblongata
d) It is produced in the hypothalamus and reabsorbed in the lateral venous sinuses
b) It is produced in the choroid plexus and reabsorbed in the arachnoid villi
In oxidative phosphorylation, which protein complex of the electron transport chain directly produces ATP?
a) Complex I (NADH dehydrogenase)
b) Complex II (Succinate dehydrogenase)
c) Complex IV (Cytochrome c oxidase)
d) Complex V (ATP synthase)
d) Complex V (ATP synthase)
Failure of the neural tube to close properly during development can result in which congenital condition?
a) Cleft palate
b) Spina bifida
c) Down syndrome
d) Tetralogy of Fallot
b) Spina bifida
Which country is known as “the land of the rising sun”?
a) China
b) South Korea
c) Japan
d) Thailand
c) Japan