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FINAL EXAM
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Question 1
What is the primary focus of microscopic anatomy?
A) Investigating the functions of organ systems
B) Analyzing structures using a microscope
C) Examining the effects of diseases on organ systems
D) Studying the exterior features of the body
Correct Answer: B) Analyzing structures using a microscope
Explanation: Microscopic anatomy focuses on structures that cannot
be seen with the naked eye and require magnification to study, such
as cells and tissues. Gross anatomy studies structures visible to the
naked eye. Physiology investigates functions of organ systems.
Pathology examines disease effects. Microscopic anatomy includes
cytology (study of cells) and histology (study of tissues).
,Question 2
What type of cells build the tissues of the human body?
A) Viral cells
B) Prokaryotic cells
C) Eukaryotic cells
D) Bacterial cells
Correct Answer: C) Eukaryotic cells
Explanation: Eukaryotic cells are the type of cells that build the
tissues of the human body. They contain membrane-bound
organelles and a nucleus. Prokaryotic cells (bacteria) lack a nucleus
and membrane-bound organelles. Viral cells are not true cells—
viruses are acellular and require a host to reproduce. Human cells
are eukaryotic and specialized for various functions.
Question 3
What role do mitochondria play in the cell?
A) They form vesicles that transport proteins and lipids.
B) They are involved in packaging and shipping cellular materials.
C) They produce digestive enzymes to break down biomacromolecules.
D) They convert chemical energy from food into ATP through aerobic
cellular respiration.
Correct Answer: D) They convert chemical energy from food into
ATP through aerobic cellular respiration.
,Explanation: Mitochondria are the "powerhouses" of the cell,
converting chemical energy from food into ATP through aerobic
cellular respiration. The Golgi apparatus packages and ships
materials. Lysosomes contain digestive enzymes. Vesicles transport
proteins and lipids. Mitochondria have their own DNA and are
involved in apoptosis and calcium storage.
Question 4
Which subatomic particle has a positive charge?
A) Nucleus
B) Proton
C) Neutron
D) Electron
Correct Answer: B) Proton
Explanation: Protons have a positive charge and are found in the
nucleus of an atom. Neutrons have no charge (neutral). Electrons
have a negative charge and orbit the nucleus. The number of
protons determines the atomic number and identity of an element.
Protons and neutrons together make up the atomic mass.
Question 5
Match each of the following elements to its corresponding % of body
mass:
, A) H → 9.5%
B) O → 65%
C) N → 3.2%
D) C → 18.5%
Correct Answer: All matched correctly
Explanation: Oxygen (O) makes up about 65% of body mass, Carbon
(C) about 18.5%, Hydrogen (H) about 9.5%, and Nitrogen (N) about
3.2%. These four elements make up approximately 96% of the
body's mass. Other elements include calcium, phosphorus,
potassium, sulfur, sodium, chlorine, and magnesium in smaller
percentages.
Question 6
Which of the following is an example of an anabolic process?
A) Lipolysis
B) Cellular respiration
C) Glycolysis
D) Protein synthesis
Correct Answer: D) Protein synthesis
Explanation: Anabolic processes build larger molecules from smaller
ones, requiring energy (endergonic). Protein synthesis is an
anabolic process that builds proteins from amino acids. Lipolysis,
cellular respiration, and glycolysis are catabolic processes that