ATI TEAS 7
TEAS version 7 quizlet science
1. What is the main function of the small intestine?
- A. To store food and break it down into smaller pieces
- B. To absorb nutrients into the bloodstream
- C. To produce enzymes that help digest food
- D. To eliminate waste products from the body
Correct answer: B
Rationale: The small intestine is a crucial part of the digestive system responsible for absorbing nutrients into the bloodstream. This absorption primarily occurs through the villi lining the small intestine, which increases the surface area available for nutrient absorption. Nutrients like carbohydrates, proteins, fats, vitamins, and minerals are absorbed into the bloodstream to support various bodily functions such as energy production, growth, and repair. Choices A, C, and D are incorrect as they do not accurately depict the primary function of the small intestine, which is nutrient absorption.
2. Which hormone, produced by the adrenal glands, plays a crucial role in the body's response to stress, including the regulation of salt and water balance?
- A. Aldosterone
- B. Epinephrine
- C. Cortisol
- D. Insulin
Correct answer: A
Rationale: Aldosterone is the correct answer. It is a hormone produced by the adrenal glands that plays a crucial role in the body's response to stress by regulating salt and water balance. Aldosterone acts on the kidneys to increase the reabsorption of sodium and water, helping to maintain blood pressure and electrolyte balance during stressful situations. Epinephrine, also known as adrenaline, and cortisol are other hormones produced by the adrenal glands, but they have different functions in the stress response. Epinephrine primarily acts to increase heart rate and blood flow in response to stress, while cortisol helps regulate metabolism, immune response, and inflammation. Insulin, on the other hand, is produced by the pancreas and is involved in regulating blood sugar levels, not salt and water balance.
3. As a nursing student triaging a patient, which of the following is an example of quantitative data you can gather?
- A. The patient says he feels pain.
- B. The patient says he has stabbing pain.
- C. The patient's temperature is 101.7°F.
- D. The patient reports that he had a fever yesterday.
Correct answer: C
Rationale: The corrected choice C, 'The patient's temperature is 101.7°F,' is an example of quantitative data because it provides a specific numerical value that can be measured. Quantitative data involves measurable and numerical information, making it crucial for assessing a patient's condition objectively. Choices A and B are subjective statements based on the patient's perception of pain and its description, which are qualitative data and may vary between individuals. Choice D provides historical information about a fever, which is not a current measurable value and does not constitute quantitative data for immediate assessment.
4. The spleen, a large lymphatic organ, is located in the:
- A. Chest
- B. Abdomen
- C. Pelvis
- D. Head and neck
Correct answer: B
Rationale: The spleen is located in the abdomen, specifically in the upper left part of the abdomen, under the ribcage and above the stomach. It is an important organ in the lymphatic system responsible for filtering blood, storing blood cells, and fighting infection. It is not located in the chest, pelvis, or head and neck regions. Therefore, the correct answer is 'B: Abdomen.' Choices 'A: Chest,' 'C: Pelvis,' and 'D: Head and neck' are incorrect as the spleen is not situated in these anatomical areas.
5. Which of the following body systems controls fluid loss, protects deep tissues, and synthesizes vitamin D?
- A. The skeletal system
- B. The muscular system
- C. The lymphatic system
- D. The integumentary system
Correct answer: D
Rationale: The integumentary system is responsible for controlling fluid loss through sweat, protecting deep tissues as the body's first line of defense, and synthesizing vitamin D when exposed to sunlight. The skin, hair, nails, and associated glands make up the integumentary system, which plays a crucial role in maintaining homeostasis and overall health. The skeletal system (Choice A) provides structural support and protection for internal organs but does not directly control fluid loss, protect deep tissues, or synthesize vitamin D. The muscular system (Choice B) is responsible for movement and stability but is not involved in the functions described. The lymphatic system (Choice C) is primarily responsible for immunity and fluid balance, not the specific functions mentioned in the question.
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