(BIO115) Midterm Readiness Exam Q & S - A & P I (Non Lab(BIO115) Midterm Readiness Exam Q & S - A & P I (Non Lab(BIO115) Midterm Readiness Exam Q & S - A & P I (Non Lab(BIO115) Midterm Readiness Exam Q & S - A & P I (Non 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: Alveoli are the tiny sacs within the lungs where
the exchange of oxygen and carbon dioxide takes place.
2. Fill-in-the-Blank: The ________ is the largest solid organ
in the human body and plays a crucial role in detoxification.
Correct Answer: Liver
Rationale: The liver is responsible for various functions
including detoxification, protein synthesis, and production of
biochemicals necessary for digestion.
3. True/False: The human heart has two atria and three
ventricles.
Correct Answer: False
Rationale: The human heart has two atria and two
ventricles, making it a four-chambered heart.
, Rationale: The skeletal system provides support, stores
minerals like calcium, and contains bone marrow, which
produces blood cells. It does not regulate body
temperature.
5. Multiple Choice: In the context of neural transmission,
what does the term 'synaptic cleft' refer to?
a) A type of neurotransmitter
b) The gap between two neurons
c) A part of the neuron's cell body
d) The protective covering of a nerve
Correct Answer: b) The gap between two neurons
Rationale: The synaptic cleft is the small gap at the
synapse between neurons through which neurotransmitters
are sent to communicate signals.
6. Fill-in-the-Blank: The process by which a cell engulfs
material from its environment is known as ________.
Correct Answer: Phagocytosis
Rationale: Phagocytosis is the process by which a cell
surrounds and engulfs particles, such as bacteria or other
microorganisms, to eliminate them.
7. True/False: Osteoblasts are cells that break down bone
tissue.
Correct Answer: False
Rationale: Osteoblasts are cells that are responsible for
bone formation, not the breakdown of bone tissue.
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