Questions & Exam Review (Columbia College |
2026/2027) Study Pack with Questions, Verified
Answers
SECTION 1: READING COMPREHENSION (25 Questions)
Passage 1 (Questions 1–5)
The circulatory system transports oxygen, nutrients, and hormones to cells and
removes waste products like carbon dioxide. The heart pumps blood through a
network of arteries, veins, and capillaries. In a healthy adult, resting heart rate
ranges from 60 to 100 beats per minute. Factors such as stress, exercise, and
illness can alter heart rate.
1. What is the primary function of the circulatory system?
A) Produce hormones
B) Transport oxygen and nutrients, remove waste
C) Filter carbon dioxide from the lungs
D) Regulate body temperature
Correct Answer: B
Rationale: The passage explicitly states the circulatory system transports oxygen,
nutrients, and hormones and removes waste.
2. Which of the following is NOT mentioned as a factor altering heart rate?
A) Exercise
,B) Stress
C) Age
D) Illness
Correct Answer: C
Rationale: Stress, exercise, and illness are mentioned; age is not discussed in this
passage.
3. A resting heart rate of 110 bpm in a healthy adult is:
A) Normal
B) Below normal
C) Above normal
D) Life-threatening
Correct Answer: C
Rationale: Normal range is 60–100 bpm; 110 exceeds this range.
4. What does the heart pump blood through?
A) Only arteries
B) Only veins
C) Arteries, veins, and capillaries
D) Capillaries only
Correct Answer: C
Rationale: The passage lists arteries, veins, and capillaries.
5. The word “alter” in the passage most nearly means:
A) Stop
B) Change
,C) Measure
D) Increase
Correct Answer: B
Rationale: “Alter” means to change or modify.
Passage 2 (Questions 6–10)
Diabetes mellitus is a metabolic disorder characterized by high blood glucose
levels. Type 1 diabetes results from autoimmune destruction of insulin-producing
beta cells in the pancreas. Type 2 diabetes involves insulin resistance and relative
insulin deficiency. Symptoms include polyuria (frequent urination), polydipsia
(excessive thirst), and polyphagia (excessive hunger).
6. What causes Type 1 diabetes?
A) Insulin resistance
B) Autoimmune destruction of beta cells
C) Excessive insulin production
D) Liver failure
Correct Answer: B
Rationale: The passage directly states autoimmune destruction of beta cells.
7. Which symptom is described as excessive thirst?
A) Polyuria
B) Polydipsia
C) Polyphagia
D) Hyperglycemia
, Correct Answer: B
Rationale: Polydipsia is defined as excessive thirst in the passage.
8. Type 2 diabetes involves:
A) No insulin production
B) Insulin resistance and relative deficiency
C) Overproduction of glucagon
D) Kidney dysfunction
Correct Answer: B
Rationale: The passage says Type 2 involves insulin resistance and relative insulin
deficiency.
9. The root “poly” in these terms means:
A) Few
B) Small
C) Many or excessive
D) Painful
Correct Answer: C
Rationale: “Poly” means many or excessive.
10. High blood glucose is characteristic of:
A) Hypoglycemia
B) Diabetes mellitus
C) Anemia
D) Hypertension