T/F Pt 2

Question 1

An iron deficiency may result in decreased blood-clotting ability (abnormal bleeding).
T or F?

Answer 1

False

Question 2

Hematopoiesis in adults normally takes place in the spleen, liver, and red bone marrow.
T or F?

Answer 2

False

Question 3

Malnutrition is expected to have an impact on blood clotting.
T or F?

Answer 3

True

Question 4

Each of the 3 formed elements of blood has its own stem cell.
T or F?

Answer 4

False

Question 5

Lymphocytes are found only in lymph nodes

T or F?

Answer 5

False

Question 6

Red blood cells normally survive in the blood stream for about 4 weeks.
T or F?

Answer 6

False

Question 7

Macrophages are white blood cells that have left the blood stream and entered the tissue space.
T or F?

Answer 7

True

Question 8

Given that red blood cells may contain 250,000 hemoglobin molecules, each red blood cell may carry a million O2 molecules at one time.
T or F?

Answer 8

True

Question 9

There are a maximum 4 iron atoms found in each red blood cell.
T or F?

Answer 9

False

Question 10

Red blood cells are produced in red bone marrow and white blood cells are produced in yellow bone marrow.
T or F?

Answer 10

False

Question 11

The function of neutrophils is more similar to that of macrophages than lymphocytes.
T or F?

Answer 11

True

Question 12

Most of hematopoiesis takes place in areas of spongy bone.

T or F?

Answer 12

True

Question 13

Of the respiratory gases O2 and CO2, only CO2 can directly change the pH of body fluids.
T or F?

Answer 13

True

Question 14

Surfactant adheres the visceral pleura to the parietal pleura.
T or F?

Answer 14

False

Question 15

In order for gas exchange to occur normally in the lungs, inhaled air must reach alveoli.
T or F?

Answer 15

True

Question 16

While hyperventilating (i.e. breathing faster than needed to support cellular respiration), oxygen levels in the blood will increase significantly, while carbon dioxide levels will remain the same. 
T or F?

Answer 16

False

Question 17

Gas exchange is an example of passive transport.

T or F?

Answer 17

False

Question 18

External respiration takes place in the tissue fluid outside cells.
T or F?

Answer 18

False

Question 19

Oxygen and carbon dioxide are not the only gases we breathe in and out, but they are the only gases involved in cellular respiration.
T or F?

Answer 19

True

Question 20

Ventilation of the lungs (i.e. air movement into and out of the lungs) is accomplished by voluntary muscle tissues.
T or F?

Answer 20

True

Question 21

While the body is at rest, exhalation is a passive process.

T or F?

Answer 21

True

Question 22

If ventilation is stopped (i.e. while holding your breath), oxygen gas levels remain the same in the blood, but carbon dioxide levels increase.
T or F?

Answer 22

False

Question 23

Hypoventilation is a condition in which internal respiration is faster than external respiration.
T or F?

Answer 23

True

Question 24

External respiration normally matches the rate of internal respiration.
T or F?

Answer 24

True

Question 25

Internal respiration is the process by which molecules of oxygen and carbon dioxide gases are exchanged at the lungs. T or F?

Answer 25

False

Question 26

The principle muscles of inhalation are the external and internal intercostal muscles (between the ribs) T or F?

Answer 26

False

Question 27

There is one capillary serving each cell in the body. | T or F?

Answer 27

False

Question 28

When blood pressure decreases, the kidneys signal an increase in heart rate. T or F

Answer 28

False

Question 29

Glomeruli are the site of nutrient and gas exchange for all cells of the kidneys. T or F

Answer 29

False

Question 30

Cell metabolism tends to produce acids more often than bases. T or F?

Answer 30

True

Question 31

Both aerobic and anaerobic cell metabolism may result in products that lower the pH of body fluids. T or F?

Answer 31

True

Question 32

``` Antidiuretic hormone (ADH) and Vasopressin are the same hormone. T or F ```

Answer 32

True

Question 33

Tubular reabsorption returns solutes from the filtrate in the collecting duct to the blood. T or F

Answer 33

False

Question 34

Cortical nephrons have very long loops of Henle. | T or F

Answer 34

True

Question 35

The kidneys do not participate directly in "fight or flight" or "rest and digest" homeostatic responses. T or F

Answer 35

False

Question 36

Surface area for the transport of solutes is highest in the proximal convoluted tubule of nephrons. T or F

Answer 36

True

Question 37

Aldosterone and ADH are the same hormone. | T or F

Answer 37

False

Question 38

Tubular secretion contributes to pH homeostasis. | T or F

Answer 38

True

Question 39

No changes may be made to the urinary filtrate as it travels through collecting ducts to the renal calyx of the kidney T or F

Answer 39

False

Question 40

Kidney function is influenced by both nervous and endocrine homeostatic mechanisms. T or F

Answer 40

True

Question 41

Digestive process are controlled reflexively by the Somatic nervous system. T or F?

Answer 41

False

Question 42

Bile released from the gall bladder contains enzymes for lipid digestion. T or F?

Answer 42

False

Question 43

The liver is important in the storage of nutrients. | T or F?

Answer 43

True

Question 44

Increased secretion and motility in the digestive system does not require the ingestion of food. T or F?

Answer 44

true

Question 45

Food molecules for which there is no digestive enzyme will remain outside the body, in the lumen of the alimentary canal. T or F?

Answer 45

True

Question 46

The greenish color of bile is due to the presence of excess B vitamins destined for excretion via the digestive tract. T or F?

Answer 46

False

Question 47

Digestion of food molecules in the large intestine is primarily by bacterial action. T or F?

Answer 47

True

Question 48

The contents of the alimentary canal are maintained at a low pH to facilitate digestion. T or F?

Answer 48

False

Question 49

The mucosa of the alimentary canal contains villi along its length, except in the esophagus and stomach. T or F?

Answer 49

False

Question 50

The smooth muscle cells in the alimentary canal are called "single-unit" because they are connected to each other by gap junctions. T or F?

Answer 50

True

Question 51

The dark color of feces is due primarily to the breakdown products of hemoglobin recycling. T or F?

Answer 51

True

Question 52

Absorption of minerals from ingested food requires specific transport proteins. T or F?

Answer 52

True

Question 53

Lipid soluble products of digestion are absorbed into lacteals of the lymphatic system. T or F?

Answer 53

True