Which of the following is the area of the brain that contains the medulla, pons, and midbrain?
Cerebellum
Brain stem
Ventricles
Chord plexus
The Correct Answer is B
a: Cerebellum - The cerebellum is responsible for coordination and balance but is not where the medulla, pons, and midbrain are located.
b. Brainstem-The brainstem is composed of the medulla oblongata, pons, and midbrain. It regulates many basic physiological functions such as heart rate, breathing, and sleep.
c: Ventricles - The ventricles are fluid-filled cavities within the brain, not regions containing the medulla, pons, and midbrain.
d: Choroid plexus - The choroid plexus produces cerebrospinal fluid (CSF) within the ventricles of the brain, but it is not where the medulla, pons, and midbrain are located.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
a. Sodium: Correct. Sodium (Na⁺) is the primary extracellular cation and plays a crucial role in maintaining osmotic pressure and fluid balance in the body.
b. Magnesium: Magnesium (Mg²⁺) is important for many cellular functions but is not a major contributor to osmotic pressure compared to sodium.
c. Calcium: Calcium (Ca²⁺) is vital for bone health and cellular processes but does not primarily influence osmotic pressure.
d. Potassium: Potassium (K⁺) is the main intracellular cation and affects cell function, but sodium has a more significant role in osmotic pressure regulation.
Correct Answer is D
Explanation
a: Contracts and brings about movement - This describes the function of muscle tissue, not connective tissue.
b: Generates and transmits impulses - This describes the function of nervous tissue, not connective tissue.
c: Covers and lines body surfaces - This describes the function of epithelial tissue, not connective tissue
d. Binds tissue together and supports structures: Connective tissue serves to bind, support, and protect other tissues and organs of the body. It also plays a role in insulation, storing energy, and transporting substances.
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