Quiz: Respiratory System

Description

Lecture: Respiratory System
Alexandra Bozan
Quiz by Alexandra Bozan, updated more than 1 year ago
Alexandra Bozan
Created by Alexandra Bozan almost 8 years ago
76
1

Resource summary

Question 1

Question
Increasing carbondioxide content of blood results in
Answer
  • increased H+
  • decreased pH
  • increased pH

Question 2

Question
A drop in the body’s production of carbonic anhydrase would:
Answer
  • hinder the formation of carbonic acid.
  • hinder the formation of oxyhemoglobin.
  • hinder the formation of carbaminohemoglobin.
  • do all of the above.

Question 3

Question
Partial pressure of oxygen is [blank_start]higher[blank_end] in alveolar air than in venous blood
Answer
  • higher
  • lower

Question 4

Question
Internal respiration
Answer
  • also known as systemic gas exchange
  • occurs between blood and body cells
  • O2 moves from blood into cells, CO2 moves from cells into blood
  • all of the above

Question 5

Question
External respiration is also known as
Answer
  • systemic gas exchange
  • pulmonary gas exchange
  • aerobic respiration
  • all of the above

Question 6

Question
Each hemoglobin molecule can carry this many oxygen molecules.
Answer
  • Four
  • Eight
  • Two
  • Six

Question 7

Question
If the tidal volume were 600 ml, the alveolar ventilation would be about:
Answer
  • 550 ml
  • 400 ml
  • 300 ml
  • 250 ml

Question 8

Question
Carbon dioxide is carried in three forms in the blood. Ranking them from greatest to least amount carried, the sequence would be
Answer
  • dissolved in the plasma, carbaminohemoglobin, and bicarbonate ion
  • carbaminohemoglobin, bicarbonate ion, and dissolved in plasma
  • bicarbonate ion, dissolved in plasma, and carbaminohemoglobin
  • bicarbonate ion, carbaminohemoglobin, and dissolved in plasma

Question 9

Question
The largest of the paranasal sinuses is the
Answer
  • maxillary
  • frontal
  • ethmoid
  • sphenoid

Question 10

Question
The structure known as the “Adam’s apple” located in the neck is the
Answer
  • epiglottis
  • cricoid cartilage
  • glottis
  • thyroid cartilage

Question 11

Question
The structures that deflect air as it passes through the nose are called
Answer
  • choanae
  • paranasal sinuses
  • conchae
  • vibrissae

Question 12

Question
This part of the respiratory system does not function as an air distributor
Answer
  • trachea
  • bronchi
  • bronchioles
  • alveoli

Question 13

Question
Gas exchange, the lungs’ main and vital function, takes place in the
Answer
  • bronchioles
  • secondary bronchi
  • primary bronchi
  • alveoli
  • All of the above

Question 14

Question
Which of the following is not a part of the nasal septum?
Answer
  • Perpendicular plate
  • Cartilage
  • Vomer
  • Palatine process

Question 15

Question
When the diaphragm and external intercostals contract?
Answer
  • thoracic volume increases
  • thoracic pressure increases
  • pulmonary pressure
  • expiration occurs

Question 16

Question
Which of the following is the last stop for air in the respiratory system?
Answer
  • Trachea
  • Bronchus
  • Alveolus
  • Nose

Question 17

Question
Pleural cavity is located between?
Answer
  • parietal and visceral pleura
  • visceral pleura and alveolar sac
  • parietal pleura and pulmonary capillary
  • all of the above

Question 18

Question
Lungs are made up of?
Answer
  • bronchi
  • bronchioles
  • alveolar sacs
  • All of the above

Question 19

Question
Oxyhemoglobin formation is favored during
Answer
  • internal respiration
  • systemic gas exchange
  • pulmonary gas exchange
  • none of the above

Question 20

Question
The tendency of the thorax and lungs to return to the pre-inspiration volume is called
Answer
  • compliance
  • elastic recoil
  • expiration
  • ventilation

Question 21

Question
The small openings in the cribriform plate function to
Answer
  • a. allow air to move between the nostrils
  • b. allow branches of the olfactory nerve to enter the cranial cavity and reach the brain
  • c. provide a filtering system for the inspired air
  • d. Both A and B

Question 22

Question
The function of surfactant is to
Answer
  • transport the oxygen from the air to the blood
  • transport the carbon dioxide from the blood to the air
  • prevent each alveolus from collapsing as air moves in and out during respiration
  • trap foreign particles as they enter the bronchial tree

Question 23

Question
The volume of air available for gas exchange per minute is called?
Answer
  • vital capacity
  • alveolar vetilation rate
  • minute respiratory volume
  • functional residual capacity

Question 24

Question
In the right lung, the superior and middle lobes are separated by the
Answer
  • horizontal fissure
  • oblique fissure
  • bronchopulmonary segments
  • hilum

Question 25

Question
At the level of the hyoid bone
Answer
  • the laryngopharynx becomes the esophagus
  • the oropharynx becomes the laryngopharynx
  • the nasopharynx becomes the oropharynx
  • the nasopharynx becomes the laryngopharynx

Question 26

Question
Much of the nasal passage is lined with this mucous membrane
Answer
  • stratified columnar epithelium
  • pseudostratified columnar epithelium
  • simple squamous epithelium
  • simple columnar epithelium

Question 27

Question
Which of the following constitutes total lung capacity?
Answer
  • Residual volume and vital capacity
  • Tidal volume, inspiratory reserve volume, and expiratory reserve volume
  • Residual volume and tidal volume
  • Vital capacity and tidal volume

Question 28

Question
If the tidal volume of a given individual is 500 ml, then the anatomical dead space is approximately:
Answer
  • 50 ml.
  • 100 ml.
  • 150 ml.
  • 200 ml.

Question 29

Question
In order to inhale we [blank_start]increase[blank_end] the size of our thoracic cavity, which [blank_start]decreases[blank_end] internal pressure.
Answer
  • increase
  • decrease
  • decreases
  • increases

Question 30

Question
Hypoxia may result with an increase in altitude because
Answer
  • there is a relatively fixed number of erythrocytes
  • the respiratory rate decreases
  • the heart is less efficient in pumping blood
  • atmospheric O2 decreases

Question 31

Question
The term used to describe the volume of air moving into or out of the lungs during normal inspiration and expiration is
Answer
  • inspiratory and expiratory reserve volume
  • vital capacity
  • tidal volume
  • residual volume

Question 32

Question
Oxygen is not transported in the blood this way
Answer
  • As oxyhemoglobin
  • Combined with the bicarbonate ion (HCO3 - )
  • Dissolved in the plasma
  • All of the above are used to transport oxygen in the blood.

Question 33

Question
Boyle law states that the volume of a gas varies:
Answer
  • directly with pressure at a constant temperature
  • inversely with pressure at a constant temperature
  • directly with pressure at a constantly changing temperature
  • inversely with pressure at a constantly changing temperature

Question 34

Question
Air movement occurs from area of _____ to area of _____?
Answer
  • a. low pressure, high pressure
  • b. high pressure, low pressure
  • c. high concenration, low concentration
  • d. both b and c

Question 35

Question
What percentage of carbon dioxide we generate is converted to bicarbonate ions in the red blood cells ?
Answer
  • 10%
  • 20%
  • 70%
  • 99%

Question 36

Question
What percentage of carbondioxide is transported bound to hemoglobin.
Answer
  • 7%
  • 20%
  • 70%
  • 97%

Question 37

Question
By the time the blood leaves the lung capillaries to return to the heart, what percentage of the blood’s hemoglobin has united with oxygen?
Answer
  • 55%
  • 63%
  • 82%
  • 99%
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