Biology HESI A2 Practice Test

Question 1 of 5

Which of the following is true of optical microscopy?

A. Utilizes scanning electrons B. Utilizes visible light C. Utilizes dye for samples D. More than one of the above is true

Question 2 of 5

Which system maintains the body's balance through the release of hormones directly into the bloodstream?

A. The gastrointestinal system B. The endocrine system C. The digestive system D. The endocrine system

Question 3 of 5

Why does cellular respiration happen?

A. Cells can copy DNA B. Cells can breathe C. Cells can convert nutrients to energy D. Cells can divide

Question 4 of 5

Which two bases are purines?

A. Adenine (A) B. Cytosine (C) C. Thymine (T) D. Guanine (G)

Question 5 of 5

Athletes are often concerned with the question of what they need in their diets to increase muscle mass and strength. What biologic molecule would you recommend that would accomplish this?

A. carbohydrates B. proteins C. lipids D. nucleic acids

Biology HESI A2 Practice Test

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HESI A2

HESI A2