Nokea
What is a common symptom of an upper respiratory infection in children?
- A. Constipation
- B. Excessive vomiting
- C. Nasal congestion
- D. Abdominal pain
Correct Answer: C
Rationale: Nasal congestion is a common symptom of an upper respiratory infection in children. It is typically accompanied by cough and sore throat. Constipation (choice A) and excessive vomiting (choice B) are not typical symptoms of upper respiratory infections. Abdominal pain (choice D) is more commonly associated with gastrointestinal issues rather than upper respiratory infections.
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What is one benefit of using controls in an experiment?
- A. The size of the groups does not matter.
- B. The subjects are unaware of the experiment's details.
- C. The subjects who are treated are balanced against the placebos.
- D. The subjects are similar in all respects except for the treatment being tested.
Correct Answer: D
Rationale: The correct answer is D. Controls in an experiment ensure that the subjects are similar in all respects except for the treatment being tested. This allows for a fair comparison between the treatment group and the control group. Choice A is incorrect because the size of the groups is not the primary benefit of using controls. Choice B is incorrect as blinding, not controls, refers to subjects not knowing about the experiment. Choice C is incorrect as it pertains more to randomization than the use of controls.
What is the primary intervention for a child experiencing a tonic-clonic seizure?
- A. Administer intravenous fluids
- B. Place the child in a prone position
- C. Protect the child from injury
- D. Perform mouth-to-mouth resuscitation
Correct Answer: C
Rationale: The primary intervention for a child experiencing a tonic-clonic seizure is to protect them from injury. Placing the child in a prone position can be dangerous as it may lead to further harm due to the risk of aspiration or airway obstruction. Administering intravenous fluids is not recommended during a seizure. Performing mouth-to-mouth resuscitation is also not indicated as the child will resume breathing spontaneously after the seizure stops. Ensuring the child's safety and preventing injury by removing harmful objects and cushioning their head is essential until the seizure subsides.
What role do fats play in the human body?
- A. They provide a concentrated source of energy.
- B. They are the building blocks of enzymes and hormones.
- C. They are essential for brain function and development.
- D. They aid in the digestion of food.
Correct Answer: D
Rationale: Fats play various essential roles in the human body, one of which is aiding in the digestion of food. While fats do provide a concentrated source of energy, the primary source is carbohydrates. Proteins are the building blocks of enzymes and hormones, not fats. Essential fatty acids found in fats are vital for brain function and development, but this is not the primary role of fats in the body.
Why would a person who eats a bowl of oatmeal for breakfast every day most likely be making a food choice based on ___?
- A. habit
- B. availability
- C. body image
- D. environmental concerns
Correct Answer: A
Rationale: The correct answer is A: habit. Eating the same food regularly often stems from habit, which is a behavior that is repeated regularly and tends to occur subconsciously. Choice B, availability, is incorrect as it refers to the accessibility of a particular food rather than the frequency of consumption. Choice C, body image, is also incorrect as this term relates to how one perceives their own body rather than their food choices. Choice D, environmental concerns, is unrelated to the scenario provided, which is about the frequency of choosing oatmeal for breakfast.
How many vitamins are known to be required in the diet of human beings?
- A. 5
- B. 8
- C. 10
- D. 13
Correct Answer: D
Rationale: The correct answer is D: 13. There are 13 essential vitamins required in the diet of human beings, including vitamins A, C, D, E, K, and the B vitamins. Choice A (5), Choice B (8), and Choice C (10) are incorrect because they do not represent the total number of essential vitamins needed by human beings.