ATI TEAS 7
TEAS Practice Test Science
1. Following the scientific method, which steps would be done before gathering qualitative data?
- A. Communicate with a scientific journal
- B. Define the problem
- C. Develop a hypothesis
- D. Categorize data for statistical analysis
Correct answer: B
Rationale: In the scientific method, defining the problem is typically the initial step. Before gathering qualitative data, it is essential to clearly outline and understand the issue or question being addressed. This step helps in guiding the research process and ensures that the data collected are relevant to the problem at hand. Communicating with a scientific journal (Choice A) is not a standard step in the scientific method; it comes after the research is conducted. Developing a hypothesis (Choice C) usually follows defining the problem and precedes data collection. Categorizing data for statistical analysis (Choice D) occurs after data collection, not before gathering qualitative data.
2. Which of the following structures is responsible for producing insulin?
- A. Liver
- B. Pancreas
- C. Gallbladder
- D. Spleen
Correct answer: B
Rationale: The correct answer is B: Pancreas. The pancreas is the organ responsible for producing insulin. Insulin is a hormone that helps regulate blood sugar levels by allowing cells to take in glucose from the bloodstream. The liver (choice A) plays a role in regulating blood sugar levels through glycogen storage and release but does not produce insulin. The gallbladder (choice C) stores bile produced by the liver to aid in digestion and has no direct involvement in insulin production. The spleen (choice D) is involved in immune function and blood storage but not in the production of insulin.
3. Which of the following is responsible for producing antibodies?
- A. Red blood cells
- B. White blood cells
- C. Platelets
- D. Plasma
Correct answer: B
Rationale: White blood cells are responsible for producing antibodies. Antibodies are essential components of the immune system that help the body combat infections by identifying and neutralizing harmful pathogens. Red blood cells are primarily responsible for carrying oxygen, platelets are involved in blood clotting, and plasma is the liquid component of blood that carries nutrients and hormones.
4. Which part of the brain is responsible for higher brain functions, such as thought and action?
- A. Amygdala
- B. Brain stem
- C. Cerebellum
- D. Cerebrum
Correct answer: D
Rationale: The cerebrum is the correct answer as it is responsible for higher brain functions like thought and action. The amygdala (Choice A) is involved in emotions and emotional responses, not higher brain functions. The brain stem (Choice B) controls basic life functions such as breathing and heart rate, not higher brain functions. The cerebellum (Choice C) is mainly responsible for motor control and coordination, not higher brain functions like thought and action.
5. What is the function of the rib cage in the human body?
- A. To protect the digestive organs
- B. To protect the lungs and heart
- C. To support movement
- D. To regulate body temperature
Correct answer: B
Rationale: The rib cage plays a crucial role in protecting vital organs, specifically the lungs and heart, from external injuries. Choice A is incorrect because the rib cage does not primarily protect the digestive organs. Choice C is incorrect as the primary function of the rib cage is not to support movement, but to protect internal organs. Choice D is incorrect as regulating body temperature is not a function typically associated with the rib cage.
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