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ATI LPN · Anatomy and Physiology · Cells and Tissues Questions and Answers

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What type of connective tissue consists of fibroblasts and bundles of parallel collagen fibers?

A. Areolar connective

B. Fibrocartilage

C. Irregular dense connective

D. Regular dense connective

Correct Answer: Regular dense connective

Question 2 of 5

What subatomic particle(s) determine(s) the chemical properties of an atom?

A. protons

B. neutrons

C. electrons

D. protons and neutrons

Correct Answer: electrons

Question 3 of 5

Extracellular fluid in adults differs from intracellular fluid in that its

A. Volume is greater.

B. Tonicity is lower.

C. Anions are mainly inorganic.

D. Sodium:potassium molar ratio is higher.

Correct Answer: Sodium:potassium molar ratio is higher.

Question 4 of 5

Cardiac muscle tissue is primarily found in which organ?

A. Liver

B. Heart

C. Kidney

D. Lungs

Correct Answer: Heart

Question 5 of 5

Antibodies

A. Are protein molecules.

B. Are absent from the blood in early fetal life.

C. Are produced at a greater rate after a first, than after a second, exposure to an antigen six weeks later.

D. Circulating as free immunoglobulins are produced by B lymphocytes.

Correct Answer: Are protein molecules.

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