Chapter 6

Question 1

Normal urine ranges in color from pale straw to dark amber. They are shades of which color?
	 A. Clear	
	 B. Yellow	
	 C. Orange	
	 D. Reddish-yellow

Answer 1

B) Yellow

Question 2

Which substance is absorbed in excess when clotting stops?
	 A. Heparin	
	 B. Antibody	
	 C. Vitamin E	
	 D. Thrombin

Answer 2

D) Thrombin

Question 3

What must be completed for all specimens that will be transported to another site for analysis?
	 A. Tube label	
	 B. MSDS	
	 C. Laboratory request form	
	 D. ICD-9-CM

Answer 3

C) Laboratory request form

Question 4

White blood cells that increase in number during an allergic reaction, or in response to parasitic infections, are called:
	 A. Lymphocytes	
	 B. Monocytes	
	 C. Eosinophils	
	 D. Basophils

Answer 4

C) Eosinophils

Question 5

An example of a test that requires timed specimens is the:
	 A. CBC	
	 B. Glucose tolerance test	
	 C. Culture and sensitivity test	
	 D. Alcohol test

Answer 5

B) Glucose tolerance test

Question 6

In what case must a urine specimen container be sterile?
A. If it is to be sent to a laboratory for a culture
B. For children and infants
C. For elderly people
D. If the patient has renal disease

Answer 6

A) If it is to be sent to a laboratory for a culture

Question 7

The most common type of urine sample is a:
	 A. Clean-catch midstream specimen	
	 B. Timed specimen	
	 C. Single, random specimen	
	 D. 24-h specimen

Answer 7

C) Single, random specimen

Question 8

Platelets release:
	 A. Vasopressin	
	 B. Erythropoietin	
	 C. Serotonin	
	 D. Prothrombin

Answer 8

C) Serotonin

Question 9

The waste produce bilirubin is produced from:
A. Iron found in hemoglobin molecules
B. Portions of heme molecules that do not contain iron
C. Globin chains of hemoglobin
D. Abnormal proteins found in red blood cells

Answer 9

B) Portions of heme molecules that do not contain iron

Question 10

Cloudy urine can indicate all of the following, except:
	 A. Inflammation	
	 B. Normal hydration	
	 C. Infection	
	 D. Glomerular nephritis

Answer 10

B) Normal hydration

Question 11

A person with type B blood has:
A. Type B agglutinogens on their red blood cells
B. The ability to receive type AB blood cells
C. The ability to receive type A blood cells
D. Type B agglutinins in their plasma

Answer 11

B) Type B agglutinogens on their red blood cells

Question 12

Plasma is close to the same in density as:
	 A. Water	
	 B. Urine	
	 C. Honey	
	 D. Cerebrospinal fluid

Answer 12

A) Water

Question 13

Blood containing erythrocytes filled with oxyhemoglobin are which color?
	 A. Burgundy	
	 B. Dark blue	
	 C. Red	
	 D. Light blue

Answer 13

C) Red

Question 14

A person’s blood type is determined by the:
A. Chemical character of the hemoglobin
B. Shape of the red blood cells
C. Presence or absence of specific molecules on the red blood cell membrane
D. Size of the red blood cells

Answer 14

C) Presence or absence of specific molecules on the red blood cell membrane

Question 15

Urine specimens should be processed within what time period after collection?
	 A. 10 minutes	
	 B. 30 minutes	
	 C. 1 hour	
	 D. 4 hours

Answer 15

C) 1 hour

Question 16

An example of a test that requires 24-h specimen collection is the:
	 A. CBC	
	 B. Drug test	
	 C. Creatinine clearance test	
	 D. Pregnancy test

Answer 16

C) Creatinine clearance test

Question 17

Culture and sensitivity tests require which type of urine specimen?
	 A. Single, random specimen	
	 B. Timed specimen	
	 C. 24-h specimen	
	 D. Clean-catch midstream specimen

Answer 17

D) Clean-catch midstream specimen

Question 18

A hematocrit provides information on:
	 A. Plasma composition	
	 B. Packed cell volume	
	 C. Blood type	
	 D. Clotting factors

Answer 18

B) Packed cell volume

Question 19

What is the reason that catheterization is not routinely used?
	 A. Urine concentration	
	 B. Pregnancy	
	 C. Infection	
	 D. Cultures

Answer 19

C) Infection

Question 20

Most of the iron is removed from degraded hemoglobin is:
	 A. Excreted by the intestines	
	 B. Recycled to the bone marrow	
	 C. Excreted by the kidneys	
	 D. Excreted by the liver

Answer 20

B) Recycled to the bone marrow