Which of the following are symptoms of poisoning?
Bluish lips, cough, and difficulty breathing
Itchy eyes, sinus congestion, and drainage
Increase in thirst, urination, and hunger
Heat intolerance, increased energy, and sweating
The Correct Answer is A
A. Bluish lips, cough, and difficulty breathing: These symptoms can indicate poisoning, particularly from substances that affect oxygen levels or respiratory function.
B. Itchy eyes, sinus congestion, and drainage: These symptoms are more commonly associated with allergies or upper respiratory infections rather than poisoning.
C. Increase in thirst, urination, and hunger: These symptoms are typically associated with conditions like diabetes rather than poisoning.
D. Heat intolerance, increased energy, and sweating: These symptoms are more indicative of hyperthyroidism or other endocrine disorders rather than poisoning.
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Correct Answer is B
Explanation
A. Lysosomes: Lysosomes contain digestive enzymes that break down waste materials and cellular debris but are not responsible for energy production.
B. Mitochondria: Mitochondria are known as the "powerhouses" of the cell because they produce energy through cellular respiration.
C. Nucleolus: The nucleolus is involved in producing ribosomes and RNA synthesis, not energy production.
D. Microvilli: Microvilli increase the surface area of cells for absorption but do not produce energy.
Correct Answer is B
Explanation
A. Capillary blood: Capillary blood can be used in some cases, especially in infants, but it is less accurate than arterial blood for measuring blood pH and gases.
B. Arterial blood: Arterial blood is the correct sample for measuring blood pH and gases (such as oxygen and carbon dioxide levels) because it reflects the gas exchange occurring in the lungs.
C. Venous blood: Venous blood is not typically used for measuring blood gases as it does not accurately reflect the oxygenation status of the body.
D. Cerebrospinal fluid: Cerebrospinal fluid is not used for measuring blood pH and gases; it is typically analyzed for conditions affecting the brain and spinal cord.