which of the following is a condition characterized by inflammation and narrowing of the airways leading to symptoms such as wheezing coughing and sho
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ATI TEAS 7

TEAS 7 science practice questions

1. Which of the following is a condition characterized by inflammation and narrowing of the airways, leading to symptoms such as wheezing, coughing, and shortness of breath?

Correct answer: C

Rationale: Asthma is a chronic condition characterized by inflammation and narrowing of the airways, leading to symptoms such as wheezing, coughing, and shortness of breath. Pneumonia, caused by an infection in the lungs, presents with symptoms like fever, chills, and cough with sputum. Tuberculosis is a bacterial infection that primarily affects the lungs, leading to symptoms such as persistent cough, chest pain, and weight loss. Emphysema, a type of chronic obstructive pulmonary disease, is characterized by the destruction of the air sacs in the lungs, causing symptoms like shortness of breath and chronic cough. Therefore, among the options provided, asthma best fits the description of a condition with airway inflammation and narrowing.

2. What are the building blocks of proteins?

Correct answer: C

Rationale: Proteins are macromolecules made up of long chains of amino acids. Amino acids are the building blocks of proteins and are linked together through peptide bonds to form polypeptide chains, which then fold into specific three-dimensional structures to carry out various functions in the body. Sugars (choice A) are the building blocks of carbohydrates, fatty acids (choice B) are the building blocks of lipids, and nucleotides (choice D) are the building blocks of nucleic acids like DNA and RNA. Therefore, the correct answer is amino acids (choice C), as they are specifically responsible for protein synthesis.

3. Which of the following anatomical terms is not part of the knee?

Correct answer: C

Rationale: The lateral malleolus is a bony prominence on the lateral side of the ankle and is not part of the knee anatomy. The other options - medial collateral ligament, patella, and lateral meniscus - are all structures within the knee joint. The medial collateral ligament is located on the inner side of the knee, the patella is the kneecap, and the lateral meniscus is a cartilage structure within the knee joint. Therefore, the correct answer is C, lateral malleolus.

4. Consider the graph representing a botanist's data on root growth. What is the independent variable?

Correct answer: C

Rationale: The independent variable is the factor that is intentionally changed or manipulated by the researcher. In this case, light exposure is the independent variable because it is being controlled and tested to observe its effect on root growth. Choices A, B, and D are not the independent variable in this scenario. Temperature, root tissue, and root length are likely dependent variables that could be influenced by the changes in light exposure.

5. What is the difference between constructive and destructive interference of waves?

Correct answer: B

Rationale: Constructive interference and destructive interference are two phenomena that occur when waves interact. Constructive interference leads to an increase in wave amplitude when two waves meet in phase, resulting in the alignment of peaks and troughs. This alignment results in the combined wave having a higher amplitude. On the other hand, destructive interference causes a decrease in amplitude as two waves meet out of phase, leading to their cancellation. When peaks align with troughs, they cancel each other out, resulting in a lower overall amplitude. This difference in effect on wave amplitude distinguishes between constructive and destructive interference. Choice A is incorrect because it does not specify the direction of change in amplitude for each type of interference. Choice C is incorrect as both constructive and destructive interference can occur in various types of waves, not affecting them differently based on wave type. Choice D is incorrect because while the relative phase of waves does determine the interference type, it is the amplitude that is affected by constructive and destructive interference, not the wave speed.

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