HESI A2 AP ANSWERS EXAM QUESTIONS

PDF Download HESI A2 A&P ANSWERS EXAM QUESTIONS Actual Qs and Ans Expert-Verified Explanation

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-Guarantee passing score -29 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: what process describes the release of materials across the cell membrane

• pinocytosis
• phagocytosis
• exocytosis
• active transport

Answer:

• exocytosis

Question 2: why is the mitochondria often called the powerhouse of the cell?

• the mitochondria produce most of the proteins utilized by the cell
• the mitochondria produce most of the ATP utilized by the cell
• the mitochondria produce most of the enzymes utilized by the cell
• the mitochondria produce most of the DNA utilized by the cell

Answer:

• the mitochondria produce most of the ATP utilized by the cell

Question 3: where in the cell does the krebs' cycle take place?

• cytoplasm
• chloroplast
• nucleus
• mitochondrial matrix

Answer:

• mitochondrial matrix

Question 4: how many layers of phospholipids does the cell membrane contain

• 4
• 3
• 1
• 2

Answer:

• 2

Question 5: which disease is caused by a bacteria

• strep throat
• aids
• mumps
• common cold

Answer:

• strep throat

Question 6: on what part of a light-microscope is the slide placed?

• arm
• stage

• lens
• base

Answer:

• stage

Question 7: many single-celled protists have a projection called a flagellum. what is its purpose?

• food intake
• propulsion
• homeostasis
• defense

Answer:

• propulsion

Question 8: aerobic respiration occurs in the presence of what necessary molecule?

• oxygen
• carbon dioxide
• hydrogen
• water

Answer:

• oxygen

Question 9: what part of a plant cell acts as a barrier and probides support to the cell?

• cell membrane
• cell wall
• xylem
• chloroplast

Answer:

• cell wall

Question 10: a hypertonic solution has __ concentration of solutes than the cell

• a negative
• a higher
• a lower
• the same

Answer:

• a higher

Question 11: human cells need oxygen for respiration. what system of the body is responsible for transporting throughout the body?

• lymphatic
• respiratory
• skeletal
• circulatory

Answer:

• circulatory

Question 12: what is the magnification of a standard ocular lens on a light microscope?

• 10 x
• 400 x
• 100 x
• 40 x

Answer:

• 10 x