Respiratory

Question 1

Which of the following are functions of the respiratory system?

A) providing for speech

B) regulating the autonomic nervous system

C) maintaining the acid-base balance of the blood

D) temperature homeostasis

E) raising the pressure in the abdominal-pelvic cavity

F) assisting in blood pressure regulation

Answer 1

A) providing for speech

C) maintaining the acid-base balance of the blood

E) raising the pressure in the abdominal-pelvic cavity

F) assisting in blood pressure regulation

Question 2

The roof of the nasal cavity is lined by the _____ mucosa while the rest of the nasal cavity is lined by the ______ mucosa. Interspersed throughout the epithelium are the _______ cells, which secrete mucus

Answer 2

Olefactory, respiratory, goblet

Question 3

T or f

The trachea contains O-shaped rings of hyaline cartilage

Answer 3

False:

Explain: The trachea contains C-shaped rings of hyaline cartilage

Question 4

T or f

Goblet cells secrete serous fluid into the respiratory tract

Answer 4

False:

Explained: Goblet cells secrete mucus into the respiratory tract

Question 5

T or F

The framework of the larynx is formed by nine pieces of cartilage, the largest of which is the thyroid cartilage

Answer 5

True

Question 6

True or false

The pseudostratified ciliated columnar epithelium of the respiratory tract warms, filters, and humidifies the inspired air

Answer 6

True

Question 7

True or false

the functional residual capacity is the volume of air normally left in the lungs after a tidal expiration

Answer 7

True

Question 8

True or false:

The tidal volume is the amount of air left in the lungs after maximal expiration

Answer 8

False

Reasoning: the amount of air left in the lungs after maximal expiration is called : residual volume

Tidal volume-> the amount of air inspired or expired in normal ventilation

Question 9

T or f

The inspiratory capacity is equal to the vital capacity + tidal volume

Answer 9

False

The inspiratory capacity is equal to the inspiratory reserve volume + tidal volume

It is the total amount of air inspired after a tidal expiration

Question 10

T or f

Oxygen is transported primarily by dissolving in the plasma

Answer 10

False

Reasoning: oxygen is transported primarily by binding to hemoglobin

Question 11

T or f

Each Hb protein can carry up to four oxygen molecules

Answer 11

True

Question 12

T or f

Hb in arterial blood is normally fully saturated

Answer 12

True

Question 13

T of F

When the Po2 of arterial blood drops slightly, the percent saturation of Hb drops dramatically

Answer 13

False

When the Po2 of arterial blood drops slightly, the percent saturation of Hb drops only slighty

Question 14

T or F

Increased P(o2), temperature, and hydrogen ion concentration all increase Hb’s affinity for oxygen

Answer 14

False

Reasoning: Increased P(o2), temperature, and hydrogen ion concentration all decrease Hb’s affinity for oxygen

Question 15

Hyperventilation causes a/an ______ in P(co2), which causes a/an ________ in blood pH.

Hypoventilation causes a/an _________ in P(co2), which causes a/an ________ in blood pH.

Answer 15

Decrease, increase

Increase, decrease

Question 16

Which Of the following groups of neurons stimulate the diaphragm and intercostal muscles?

A) the dorsal respiratory group

B) the ventral diaphragm group

C) the respiratory pattern generator

D) the central chemoreceptors

Answer 16

B) the ventral diaphragm group

Question 17

The structures that vibrate to produce sound are called ______.
A higher pitched sound is produced when they _______ and a lower pitched sound is produced when they _______

Answer 17

Vocal folds aka true vocal cords

Adduct

Abduct

Question 18

What does boyles law state about pressure and volume when it’s at a constant temperature

Answer 18

Pressure increases when volume decrease