What organ is contained in the cranial cavity?
Spinal cord.
Heart.
Brain.
Stomach.
The Correct Answer is C
Choice A rationale:
The spinal cord is not contained in the cranial cavity. The spinal cord is located within the spinal canal, which runs through the vertebral column, providing protection to the spinal cord.
Choice B rationale:
The heart is not contained in the cranial cavity. The heart is situated in the thoracic cavity, between the lungs, and is protected by the ribcage.
Choice C rationale:
The brain is contained in the cranial cavity. The cranial cavity, also known as the intracranial space, houses the brain and provides protection to this vital organ. The brain is the control center of the body, regulating various functions and processing sensory information.
Choice D rationale:
The stomach is not contained in the cranial cavity. The stomach is located in the abdominal cavity, which is situated below the diaphragm and above the pelvis. It is involved in the digestion of food and is not found in the cranial cavity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
"I will keep my walker at the end of my bed." This statement indicates that the client understands the importance of having the walker within reach. Placing the walker at the end of the bed ensures that the client can use it immediately upon getting up, providing support and stability, thus reducing the risk of falls.
Choice B rationale:
"I will keep the fluorescent ceiling light on in my room at night." While having adequate lighting is important, using a fluorescent ceiling light throughout the night might disrupt the client's sleep. Additionally, a nightlight or a bedside lamp with a low-wattage bulb can provide sufficient illumination without disturbing sleep.
Choice C rationale:
"I will place an area rug at the entry of my bathroom." This statement indicates a lack of understanding. Area rugs can be tripping hazards, especially in areas prone to moisture like bathrooms. It is advisable to remove rugs and ensure non-slip flooring to prevent slips and falls.
Choice D rationale:
"I will place a bath seat in my shower to use when I bathe." While using a bath seat is a good safety measure, it does not address the client's risk of falling outside the shower area. Installing grab bars and non-slip mats in the bathroom, along with removing potential hazards, would be more comprehensive in ensuring the client's safety. .
Correct Answer is A
Explanation
Choice A rationale:
The client's respirations are faster and deeper than normal due to expelling too much carbon dioxide. This condition is known as hyperventilation. Hyperventilation can occur due to various reasons such as anxiety, pain, fever, or metabolic acidosis. When the body expels excessive carbon dioxide, it leads to respiratory alkalosis, resulting in faster and deeper breathing to compensate for the decrease in carbon dioxide levels in the blood.
Choice B rationale:
This option is incorrect. Hypoxemia, or low blood oxygen levels, typically leads to rapid, shallow breathing (tachypnea) rather than deep and fast respirations.
Choice C rationale:
This option is incorrect. Inflammation of the phrenic nerve does not directly affect the depth and rate of respirations. Phrenic nerve inflammation is more likely to cause pain during breathing or hiccups.
Choice D rationale:
This option is incorrect. Using intercostal muscles to breathe is a normal physiological process, especially during deep or labored breathing. However, it does not explain the specific situation described in the question, where the respirations are faster and deeper than normal.
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