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Anatomy and Physiology WGU D313 2025 | Comprehensive Current Testing Questions with Answers (westernGU)

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Anatomy and Physiology WGU D313 2025 | Comprehensive Current Testing Questions with Answers (westernGU)

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  • June 11, 2024
  • December 19, 2024
  • 27
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • anatomy and physiology wgu d313 2024 comprehensi

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  • Human anatomy and physiology
  • Human anatomy and physiology

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WGU D313 Anatomy and Physiology Objective
Assessment 2025 | Up-to-Date Exam
Questions with Detailed Answers

1. Question:
Which structure in the body is primarily responsible for producing
insulin?
A) Liver
B) Kidneys
C) Pancreas
D) Gallbladder
Answer: C) Pancreas
Rationale: The pancreas contains beta cells in the islets of Langerhans
that produce insulin. Insulin is essential for regulating blood glucose
levels.


2. Question:
What is the function of red blood cells?
A) Transport oxygen
B) Fight infections
C) Produce hormones
D) Store energy
Answer: A) Transport oxygen
Rationale: Red blood cells contain hemoglobin, which binds to oxygen
in the lungs and releases it in tissues throughout the body.

,3. Question:
Which part of the brain is responsible for regulating body temperature?
A) Cerebellum
B) Thalamus
C) Hypothalamus
D) Medulla Oblongata
Answer: C) Hypothalamus
Rationale: The hypothalamus regulates various bodily functions,
including body temperature, hunger, thirst, and sleep.


4. Question:
Which of the following is the primary function of the kidneys?
A) Pump blood throughout the body
B) Produce hormones for growth
C) Regulate fluid and electrolyte balance
D) Store bile
Answer: C) Regulate fluid and electrolyte balance
Rationale: The kidneys filter blood, remove waste, and regulate the
balance of electrolytes and fluid in the body.


5. Question:
What is the role of the myelin sheath in nerve cells?
A) To transmit electrical signals
B) To protect the neuron from damage

,C) To speed up the transmission of electrical impulses
D) To produce neurotransmitters
Answer: C) To speed up the transmission of electrical impulses
Rationale: The myelin sheath is a fatty layer that surrounds the axons of
neurons and speeds up the transmission of electrical signals.


6. Question:
Which structure in the respiratory system is responsible for gas
exchange?
A) Bronchi
B) Alveoli
C) Trachea
D) Larynx
Answer: B) Alveoli
Rationale: Alveoli are tiny air sacs in the lungs where oxygen and
carbon dioxide are exchanged between the lungs and the bloodstream.


7. Question:
Which type of muscle is involuntary and found in the walls of internal
organs?
A) Skeletal muscle
B) Cardiac muscle
C) Smooth muscle
D) Striated muscle
Answer: C) Smooth muscle
Rationale: Smooth muscle is found in the walls of internal organs like

, the stomach and intestines and operates involuntarily to control
movements such as digestion.


8. Question:
Which of the following is a primary function of the liver?
A) Produce digestive enzymes
B) Store bile
C) Detoxify harmful substances
D) Store glycogen
Answer: C) Detoxify harmful substances
Rationale: The liver detoxifies harmful substances from the blood,
synthesizes proteins, and produces bile necessary for digestion.


9. Question:
The process by which a cell divides into two identical daughter cells is
known as:
A) Meiosis
B) Mitosis
C) Binary fission
D) Cytokinesis
Answer: B) Mitosis
Rationale: Mitosis is the process of cell division that results in two
genetically identical daughter cells, essential for growth, repair, and
asexual reproduction.


10. Question:

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