COMPREHENSIVE SCIENCE AND LANGUAGE REVIEW
FOR TEAS & HESI | FROM QUESTION TO PERFECTION|
STUDY WITH CONFIDENCE!
Course Code:
Course Title:
Programme:
Academic Year: 2026/2027.
Duration: 2 Hours.
Total Marks: 100.
Candidate Instructions:
1) Write your Registration Number on every answer booklet used.
2) Answer ALL questions in Section A and ANY TWO (2) questions in Section B.
3) Read each question carefully before answering.
4) Begin each question on a new page.
5) The marks for each question are indicated in brackets.
6) This paper consists of several printed pages, including this page.
7) Ensure your copy is complete before the examination begins.
8) Unauthorized materials and communication with other candidates are not permitted.
Turn Over.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, What is a graduated cylinder? Answer: A cylindrical container used to measure liquid volume.
What type of surface should be used to read a graduated cylinder? Answer: A flat surface.
What kind of ions do acids produce? Answer: Hydronium (H+) ions.
What are indicators used for? Answer: They are substances that change color in the presence of
acid or base.
Name a common indicator. Answer: Litmus.
What two colors does litmus paper change and why? Answer: Red in acid and blue in base.
What does the pH determine? Answer: It indicates how acidic or basic a solution is.
What is the number scale for a pH range? Answer: 0 to 14.
What is an acid? Answer: A substance with a pH less than 7.
What is a base? Answer: A substance with a pH greater than 7.
What number is considered a neutral pH? Answer: 7.
What is the normal pH for a human? Answer: 7.35-7.45.
If the pH of a solution is increasing, is that solution becoming more acidic or basic? Answer: It
is becoming more basic.
What is another term for base? Answer: Alkaline.
What are buffers? Answer: Substances added to solutions to minimize changes to the pH.
What is a catalyst? Answer: A substance that increases the rate of a chemical reaction.
Is influenza always caused by a virus? Answer: True.
Which lung condition is due to damage to the alveoli? Answer: Emphysema.
What is the bacteria responsible for tuberculosis? Answer: Mycobacterium.
What are some signs of tuberculosis? Answer: Low grade fever, night sweats, chest pain,
weight loss.
Is there a cure for tuberculosis? Answer: Yes, with proper drug combinations for 6-12 months.
Which isolation is required for tuberculosis? Answer: Airborne isolation.
What is cystic fibrosis? Answer: A gene disorder in which sticky thick mucus builds up in the
lungs, pancreas, and other organs.
What are the three types of blood cells? Answer: Red blood cells (RBC), white blood cells
(WBC), and platelets.
Which type of blood cell helps fight infection? Answer: White blood cells (WBC).
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
FOR TEAS & HESI | FROM QUESTION TO PERFECTION|
STUDY WITH CONFIDENCE!
Course Code:
Course Title:
Programme:
Academic Year: 2026/2027.
Duration: 2 Hours.
Total Marks: 100.
Candidate Instructions:
1) Write your Registration Number on every answer booklet used.
2) Answer ALL questions in Section A and ANY TWO (2) questions in Section B.
3) Read each question carefully before answering.
4) Begin each question on a new page.
5) The marks for each question are indicated in brackets.
6) This paper consists of several printed pages, including this page.
7) Ensure your copy is complete before the examination begins.
8) Unauthorized materials and communication with other candidates are not permitted.
Turn Over.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, What is a graduated cylinder? Answer: A cylindrical container used to measure liquid volume.
What type of surface should be used to read a graduated cylinder? Answer: A flat surface.
What kind of ions do acids produce? Answer: Hydronium (H+) ions.
What are indicators used for? Answer: They are substances that change color in the presence of
acid or base.
Name a common indicator. Answer: Litmus.
What two colors does litmus paper change and why? Answer: Red in acid and blue in base.
What does the pH determine? Answer: It indicates how acidic or basic a solution is.
What is the number scale for a pH range? Answer: 0 to 14.
What is an acid? Answer: A substance with a pH less than 7.
What is a base? Answer: A substance with a pH greater than 7.
What number is considered a neutral pH? Answer: 7.
What is the normal pH for a human? Answer: 7.35-7.45.
If the pH of a solution is increasing, is that solution becoming more acidic or basic? Answer: It
is becoming more basic.
What is another term for base? Answer: Alkaline.
What are buffers? Answer: Substances added to solutions to minimize changes to the pH.
What is a catalyst? Answer: A substance that increases the rate of a chemical reaction.
Is influenza always caused by a virus? Answer: True.
Which lung condition is due to damage to the alveoli? Answer: Emphysema.
What is the bacteria responsible for tuberculosis? Answer: Mycobacterium.
What are some signs of tuberculosis? Answer: Low grade fever, night sweats, chest pain,
weight loss.
Is there a cure for tuberculosis? Answer: Yes, with proper drug combinations for 6-12 months.
Which isolation is required for tuberculosis? Answer: Airborne isolation.
What is cystic fibrosis? Answer: A gene disorder in which sticky thick mucus builds up in the
lungs, pancreas, and other organs.
What are the three types of blood cells? Answer: Red blood cells (RBC), white blood cells
(WBC), and platelets.
Which type of blood cell helps fight infection? Answer: White blood cells (WBC).
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
