(BIOS-251) Final Readiness Exam Q & S - Anatomy & Physiology I with Lab.(BIOS-251) Final Readiness Exam Q & S - Anatomy & Physiology I with Lab.(BIOS-251) Final Readiness Exam Q & S - Anatomy & Physiology I with Lab.(BIOS-251) Final Readiness Exam Q & S - Anatomy & Physiology I with Lab.
,1. Multiple Choice: Which of the following structures is
responsible for the exchange of gases in the respiratory
system?
a) Trachea
b) Alveoli
c) Bronchi
d) Diaphragm
Correct Answer: b) Alveoli
Rationale: The alveoli are the tiny air sacs in the lungs
where the exchange of oxygen and carbon dioxide occurs.
2. Fill-in-the-Blank: The ________ valve prevents backflow
of blood into the left atrium.
Correct Answer: Mitral
Rationale: The mitral valve, also known as the bicuspid
valve, is located between the left atrium and left ventricle
and prevents the backflow of blood.
3. True/False: The axial skeleton includes the bones of the
arms and legs.
Correct Answer: False
Rationale: The axial skeleton consists of the skull,
vertebral column, ribs, and sternum. The appendicular
skeleton includes the bones of the arms and legs.
, Correct Answers: a) Support, b) Movement, c) Blood cell
production, d) Nutrient storage
Rationale: The skeletal system provides structural
support, facilitates movement, houses bone marrow for
blood cell production, and stores minerals and lipids.
5. Multiple Choice: What is the primary function of the
lymphatic system?
a) Digestion of fats
b) Regulation of body temperature
c) Defense against infection
d) Production of hormones
Correct Answer: c) Defense against infection
Rationale: The lymphatic system is part of the immune
system and helps defend the body against pathogens.
6. Fill-in-the-Blank: Osteoclasts are cells that break down
bone tissue, a process known as ________.
Correct Answer: Bone resorption
Rationale: Osteoclasts are specialized cells that resorb or
break down bone, releasing minerals back into the blood.
7. True/False: The parasympathetic nervous system is
responsible for the 'fight or flight' response.
Correct Answer: False
Rationale: The 'fight or flight' response is mediated by the
sympathetic nervous system, while the parasympathetic
nervous system promotes 'rest and digest' activities.
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