IRSC HESI A2 PRACTICE TEST SCIENCE EXAM QUESTIONS

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IRSC HESI A2 PRACTICE TEST SCIENCE EXAM QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -31 Questions and Answers -format set of multiple-choice -Expert- Explanation

Question 1: The Father of genetics is

• Pasteur
• Newton
• Mendel
• Curie

Answer:

C

Question 2: Spongy bone

Answer:

He was _______ by her kind words.Effected Affected

Question 3: Disease caused by vitamin D deficiency

• night blindness
• rickets
• scurvy
• cramps

Answer:

B

Question 4: electron transport chain

Answer:

In order for inhalation to occur, what must happen?

Question 5: Which mineral is responsible for regulating fluid in the body?

Answer:

Sodium

Question 6: What number in Arabic numerals is Roman numeral MCMXLIV?

Answer:

1,944 Question 7: A Molecule of water is bonded with another molecule of water by what type of bond

Answer:

Hydrogen Question 8: The nurse noted in the chart, "the patient is lethargic. " How was the patient behaving?

Answer:

Which step in the cellular respiration yields the greatest amount of ATP

Question 9: . During the Krebs Cycle

• Energy stored in pyruvate is transferred to NADH and FADH2
• 16 ATP are produced

• lactic acid and pyruvic acid are consumed
• ketones and acetones are produced
• The sex of the child is determined by the

Answer:

A

Question 10: The Mesozoic Era is the age of the

• fish
• reptiles
• amphibians
• humans

Answer:

B

Question 11: lysis

Answer:

What are the glands of skin that produce a thin, watery secretion

Question 12: . _______ stores starch in green plants

• pith
• phloem
• xylem
• cambium

Answer:

A

Question 13: Bending arm at elbow to touch shoulder with hand is

• Supination
• Rotation
• Flexion
• Extension

• Supination
• Rotation
• Flexion
• Extension

Answer:

C Question 14: Passive immunity to diphtheria may be achieved by taking an injection of a(n)

• vaccine
• toxin
• toxoid
• antitoxin

Answer:

D Question 15: Which of the biological molecules are components of the molecules of inheritance

Answer:

nucleic acids Question 16: when the expression of one gene is controlled by another gene (red hair and male baldness)

Answer:

Epistasis

Question 17: Today we live in the ________ Era

• Paleozoic
• Mesozoic
• Cenozoic
• Archeozoic