Anatomy
1. Which organ pumps blood through the body?
a) Brain
b) Heart
c) Liver
d) Lung
Answer: b) Heart
1. The geometry of the water molecule is:
a) Linear
b) Tetrahedral
c) Angular (non-linear)
d) Flat trigonal
b) Tetrahedral
1. What is the basic unit of life?
a) Organ
b) Tissue
c) Cell
d) Organ system
c) Cell
1. What is formed when sperm and egg unite?
a) Blastula
b) Zygote
c) Morula
d) Embryo
b) Zygote
1. What is the study of drugs called?
a) Pathology
b) Pharmacology
c) Microbiology
d) Physiology
b) Pharmacology
2. Which structure connects muscles to bones?
a) Ligaments
b) Tendons
c) Cartilage
d) Joints
LAnswer: b) Tendons
Water is the most abundant substance in biological systems because:
a) It is a good electrical insulator.
b) b) It intervenes in almost all chemical reactions
c) It is a non-polar liquid
d) Its density changes a lot with temperature
b) It intervenes in almost all chemical reactions
2. Which connective tissue stores fat?
a) Cartilage
b) Adipose tissue
c) Bone
d) Blood
b) Adipose tissue
2. Which germ layer gives rise to the skin and nervous system?
a) Endoderm
b) Mesoderm
c) Ectoderm
d) None
c) Ectoderm
2. Which route of drug administration is through the mouth?
a) Intravenous
b) Oral
c) Intramuscular
d) Subcutaneous
b) Oral
3. How many cervical vertebrae are in the human spine?
a) 5
b) 7
c) 12
d) 14
Answer: b) 7
Magnesium (Mg²⁺) mainly participates in:
a) Oxygen transport
b) Enzyme activation
c) Glucose storage
d) Plasma protein production
b) Enzyme activation
3. Which type of muscle is voluntary?
a) Cardiac muscle
b) Smooth muscle
c) Skeletal muscle
d) None of the above
c) Skeletal muscle
3. What is the name of the solid ball of cells formed after cleavage?
a) Zygote
b) Morula
c) Blastocyst
d) Gastrula
b) Morula
3. Which organ is the main site of drug metabolism?
a) Kidney
b) Liver
c) Lungs
d) Stomach
b) Liver
4. Which part of the brain controls balance and coordination?
a) Cerebellum
b) Cerebrum
c) Medulla oblongata
d) Thalamus
Answer: a) Cerebellum
According to Arrhenius, an acid is:
a) A substance that accepts electrons
b) A substance that releases H⁺ ions in solution
c) A substance that releases OH⁻ in solution
d) A substance that does not dissociate
b) A substance that releases H⁺ ions in solution
4. Which structure is responsible for protein synthesis in a cell?
a) Ribosome
b) Mitochondria
c) Lysosome
d) Nucleus
a) Ribosome
4. At which week does the heart start to beat?
a) Week 2
b) Week 3
c) Week 4
d) Week 5
c) Week 4
4. Which type of receptor does adrenaline (epinephrine) act on?
a) Adrenergic receptors
b) Muscarinic receptors
c) Nicotinic receptors
d) Histamine receptors
a) Adrenergic receptors
5. What happens to the external acoustic ato?
a) It develops from the second pharyngeal cleft and persists as an open canal.
b) The facial nerve (CN VII), the bulocochlear nerve (CN VIII) and the artery Labyrinth.
c) It is derived from neural crest cells and forms part of the otic vesicle.
d) It is formed from the mesoderm of the first pharyngeal arch
b) The facial nerve (CN VII), the bulocochlear nerve (CN VIII) and the artery Labyrinth.
Do hydrogen bridges keep the molecules strongly together, forming a compact structure that turns it into an almost incompressible liquid that we are talking about?
a) Force of cohesion
b) Oxygen
c) Carbon dioxide
d) Ethanol
a) Force of cohesion
5. Which tissue lines the urinary bladder?
a) Simple squamous epithelium
b) Transitional epithelium
c) Columnar epithelium
d) Cuboidal epithelium
b) Transitional epithelium
5. Which fetal membrane forms the placenta together with maternal tissue?
a) Amnion
b) Chorion
c) Yolk sac
d) Allantois
b) Chorion
5. Which phase of clinical trials tests drug safety in a small group of healthy volunteers?
a) Phase I
b) Phase II
c) Phase III
d) Phase IV
a) Phase I