which of the following is an example of a tissue
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Nursing Elites

ATI TEAS 7

ATI TEAS Science Test

1. Which of the following is an example of a tissue?

Correct answer: B

Rationale: The correct answer is 'B: liver.' The liver is an example of a tissue. Tissues are groups of cells that work together to perform specific functions in the body. The liver is made up of different types of cells that work together to carry out various essential functions, such as detoxification, metabolism, and storage of nutrients. Option A (chloroplasts) refers to organelles, not tissues. Option D (hamstring) is a muscle, not a tissue. Option C (mammal) represents a higher level of organization than tissues, as it refers to a classification of organisms, not a specific tissue type.

2. What is the unit of measurement for density?

Correct answer: A

Rationale: Density is defined as mass per unit volume. The most commonly used unit for density in the metric system is grams per liter (g/L). Kilograms per cubic meter (kg/m³) is also a common unit for density, but grams per liter is more frequently used in everyday measurements. Pounds per square inch (psi) is a unit of pressure, not density. Newtons per meter (N/m) is a unit of force per unit length, not density.

3. What controls muscles by sending electrical impulses to the muscles?

Correct answer: B

Rationale: Nerves control muscles by transmitting electrical impulses that initiate muscle contractions. Blood vessels are responsible for transporting blood, not controlling muscles. Hormones are chemical messengers produced by glands to regulate bodily functions, not specifically controlling muscles. Neurons are the basic building blocks of the nervous system that transmit signals, but nerves are the specific structures that control muscles by sending electrical impulses.

4. What is the primary function of the heart?

Correct answer: C

Rationale: The main function of the heart is to pump blood throughout the body. The heart acts as a muscular pump that circulates blood, delivering oxygen and nutrients to the body's tissues and removing waste products. Option A is incorrect because blood filtration is a function of the kidneys, not the heart. Option B is incorrect as gas exchange occurs in the lungs, not the heart. Option D is also incorrect as hormone production is mainly carried out by endocrine glands, not the heart.

5. Which process is characterized by nuclear fission?

Correct answer: A

Rationale: Nuclear fission is the process where a heavy nucleus, like uranium-235, captures a neutron, leading to its division into two lighter nuclei. This process releases a substantial amount of energy in the form of heat and gamma rays. It is utilized in nuclear power plants and atomic bombs due to its capacity to produce significant energy. Choices B, C, and D describe different nuclear processes: fusion of two nuclei to form a heavier element, emission of alpha particles from a lighter element through radioactive decay, and absorption of an electron by the nucleus with the release of a gamma ray, respectively. These processes are distinct from nuclear fission and do not involve the splitting of heavy nuclei into lighter ones.

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