Basic Clinical Laboratory Techniques 6th Edition Lesson 6

Basic Clinical Laboratory Techniques 6th Edition By Barbara H. -Test Bank




Lesson 6-1: Introduction to Clinical Chemistry


MULTIPLE CHOICE

1. In clinical chemistry, which of the following is true?
a. Substances in the body are always in balance.
b. Results of analysis can be used to diagnose, treat, and prevent disease.
c. Quality assessment policies are not very important.
d. Homeostasis is affected only by external factors.
ANS: B PTS: 1

2. The tests performed in clinical chemistry can be:
a. for normal substances d. all of the above
b. for drugs or other toxic substances e. none of the above
c. for waste products of metabolism
ANS: D PTS: 1

3. Which of the following is true concerning changes in concentration of substances in the body?
a. Changes, whether up or down, are permanent.
b. An elevation in glucose levels will stimulate the release of insulin.
c. The balance between the concentrations is referred to as hemostasis.
d. Electrolytes have little importance in the acid-base balance in the body.
ANS: B PTS: 1

4. To assess liver function, which of the following test(s) can be helpful?
a. creatine kinase c. ALT
b. BUN d. all of the above
ANS: C PTS: 1

5. Which of the following is true concerning enzymes?
a. All enzymes are widely distributed in the body.
b. Enzyme levels are always very specific for certain organs.
c. LDH is one enzyme that can be used to assess liver damage.

, d. ALP was formerly known as SGOT.
ANS: C PTS: 1


COMPLETION

1. Excessive amount of fat in the blood is known as ____________________.

ANS: hyperlipidemia

PTS: 1

2. An anion has a(n) ____________________ charge.

ANS: negative

PTS: 1

3. A chemical substance that is the subject of chemical analysis is a(n) ______ ______________.

ANS: analyte

PTS: 1

4. HDL is the high density lipoprotein fraction of blood ____________________.

ANS: cholesterol

PTS: 1

5. Hypocalcemia is a condition in which the blood level of ____________________ is below normal.

ANS: calcium

PTS: 1

6. The thyroid hormone, T3 , is also commonly known as ____________________.

ANS: triiodothyronine

PTS: 1

7. A deficiency in the function of the thyroid is called ____________________.

ANS: hypothyroidism

PTS: 1

8. Creatine kinase (CK) is often measured to aid in diagnosing ____________________.

ANS: heart attack

PTS: 1

, 9. The group of cations and anions important in maintaining fluid and acid-base balance are the
____________________.

ANS: electrolytes

PTS: 1

10. AST is the enzyme present in cardiac, muscle, and liver tissue that is measured to assess the function
of the ____________________.

ANS: liver

PTS: 1


MATCHING

Choose the best match for each item. Use an answer only once.
a. anion g. 8.7–10.5 mg/dL
b. Technicon Corp. h. the 1600s
c. cation i. quality control
d. Hippocrates j. transferrin
e. lipid profile k. 0.7–1.4 mg/dL
f. U/L l. creatinine
1. reference range for calcium
2. sodium
3. kidney function
4. iron
5. tasting the patient’s urine
6. enzyme activity units per liter
7. AutoAnalyzer
8. Levey-Jennings chart
9. invention of the microscope
10. triglycerides

1. ANS: G PTS: 1
2. ANS: C PTS: 1
3. ANS: L PTS: 1
4. ANS: J PTS: 1
5. ANS: D PTS: 1
6. ANS: F PTS: 1
7. ANS: B PTS: 1
8. ANS: I PTS: 1
9. ANS: H PTS: 1
10. ANS: E PTS: 1
Lesson 6-2: Chemistry Specimen Collection and Processing


TRUE/FALSE