Logo

Nursing Elites

ATI TEAS 7

Chemistry

1. When sodium hydroxide (NaOH) reacts with hydrochloric acid (HCl), the resulting product is:

Correct answer: A

Rationale: This is a classic neutralization reaction, forming water and a salt (sodium chloride).

2. What is the primary function of the epiglottis in the respiratory system?

Correct answer: C

Rationale: The primary function of the epiglottis in the respiratory system is to prevent food from entering the trachea. When we swallow, the epiglottis covers the opening to the trachea, directing food and liquids to the esophagus instead of the airway. This action helps to protect the respiratory system from foreign objects that could obstruct airflow and cause choking or aspiration pneumonia. Filtration of air and production of mucus are functions associated with other respiratory structures like the nasal passages and bronchial tubes, while oxygen exchange in the alveoli occurs in the lungs, not the epiglottis.

3. Which of the following is an example of stabilizing selection?

Correct answer: C

Rationale: Rationale: - Stabilizing selection is a type of natural selection that favors the intermediate variants in a population, while selecting against the extreme traits. This results in the maintenance of the current average trait in the population. - Option A is incorrect because stabilizing selection does not favor extreme traits; instead, it favors the average trait. - Option B is incorrect because stabilizing selection does not remove individuals with extreme traits; it acts against extreme traits by favoring the intermediate variants. - Option D is incorrect because stabilizing selection does not favor one specific trait over all others; it favors the average trait by selecting against extreme traits.

4. You need to fill a rectangular swimming pool with dimensions 10 meters by 5 meters and a depth of 2 meters. How many cubic meters of water does it take to fill the pool?

Correct answer: C

Rationale: Simply multiply the pool's dimensions to find its volume.

5. What is a lifestyle practice that can weaken the immune system?

Correct answer: D

Rationale: Frequent smoking is a lifestyle practice that can weaken the immune system. Smoking has been linked to various health issues, including suppressing the immune system's ability to fight off infections and diseases. The chemicals in tobacco smoke can impair immune function, making smokers more susceptible to illnesses. On the other hand, getting enough sleep, eating a balanced diet rich in fruits and vegetables, and managing stress levels are practices that support a healthy immune system, rather than weaken it.

6. Which term describes the resistance of a substance to flow?

Correct answer: b

Rationale: Viscosity refers to the resistance of a substance to flow. Substances with high viscosity flow slowly, while those with low viscosity flow more easily.

Similar Questions

Which term describes the resistance of a substance to flow?
The body's first line of defense against pathogens includes:
Where does fertilization, the fusion of sperm and egg, typically occur in the human body?
What is the term for the process of exchanging gases (oxygen and carbon dioxide) between the blood and the tissues?
What is the net ionic equation for the reaction: 2HCl(aq) + Ba(OH)2(aq) → 2H2O(l) + BaCl2(aq)?
Colligative properties of solutions depend on the...

Access More Features

ATI TEAS Premium Plus
$149.99/ 90 days

  • Actual ATI TEAS 7 Questions
  • 3,000 questions with answers
  • 90 days access

ATI TEAS Basic
$1/ 30 days

  • 3,000 Questions with answers
  • 30 days access

Other Courses