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WGU D313 Anatomy and Physiology Objective Assessment 2025 | Up-to-Date Exam Questions with Detailed Answers (westernGU) $17.99
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WGU D313 Anatomy and Physiology Objective Assessment 2025 | Up-to-Date Exam Questions with Detailed Answers (westernGU)

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

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  • June 11, 2024
  • December 19, 2024
  • 27
  • 2023/2024
  • Exam (elaborations)
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  • wgu d313 anatomy and physiology objective assessme

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  • 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 of the following structures is responsible for the production of
cerebrospinal fluid (CSF)?
A) Cerebellum
B) Choroid plexus
C) Medulla oblongata
D) Hypothalamus
Answer:
B) Choroid plexus
Rationale:
The choroid plexus is a network of cells that produces cerebrospinal
fluid (CSF) in the brain's ventricles. CSF plays a key role in cushioning the
brain, maintaining chemical balance, and removing waste products.


2. Question:
What is the primary function of the mitochondria in the cell?
A) Protein synthesis
B) Genetic material storage
C) Energy production
D) Detoxification
Answer:
C) Energy production
Rationale:
Mitochondria are the powerhouse of the cell, where energy (ATP) is
1

,produced through cellular respiration. They are responsible for
converting nutrients into energy, which is essential for various cellular
functions.


3. Question:
Which of the following muscles is responsible for dorsiflexion of the
foot?
A) Gastrocnemius
B) Tibialis anterior
C) Soleus
D) Biceps femoris
Answer:
B) Tibialis anterior
Rationale:
The tibialis anterior muscle is located in the lower leg and is primarily
responsible for dorsiflexion, which is the movement of raising the foot
towards the shin. The gastrocnemius and soleus muscles are involved in
plantar flexion.


4. Question:
Which structure within the human body is responsible for regulating
body temperature?
A) Hypothalamus
B) Pineal gland
C) Adrenal glands
D) Pituitary gland


2

,Answer:
A) Hypothalamus
Rationale:
The hypothalamus in the brain is responsible for regulating body
temperature, among other homeostatic functions. It adjusts the body's
temperature by initiating responses like sweating or shivering based on
the body's thermal needs.


5. Question:
Which of the following is a major function of the large intestine?
A) Absorption of nutrients
B) Absorption of water and electrolytes
C) Protein synthesis
D) Storage of bile
Answer:
B) Absorption of water and electrolytes
Rationale:
The large intestine primarily functions to absorb water, electrolytes, and
certain vitamins. It also compacts waste products into feces for
elimination. Nutrient absorption occurs in the small intestine, not the
large intestine.


6. Question:
Which part of the brain is responsible for balance and coordination?
A) Cerebrum
B) Medulla oblongata


3

, C) Cerebellum
D) Thalamus
Answer:
C) Cerebellum
Rationale:
The cerebellum plays a vital role in the coordination of voluntary
movements, balance, and motor skills. It helps to fine-tune motor
control and ensures smooth and coordinated body movements.


7. Question:
In the cardiovascular system, what is the main function of the coronary
arteries?
A) Transport oxygenated blood to the heart
B) Transport deoxygenated blood to the lungs
C) Supply oxygenated blood to the myocardium
D) Pump blood to the rest of the body
Answer:
C) Supply oxygenated blood to the myocardium
Rationale:
The coronary arteries supply oxygenated blood to the heart muscle
(myocardium). Without this supply, the heart would not have the
oxygen necessary to perform its pumping function.


8. Question:
Which type of connective tissue connects muscles to bones?
A) Ligament
B) Tendon
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