Question 1

Which of the following part for: 
-Epiglottis

Accepted Answer

The epiglottis is a flaplike structure that points upward allowing air to enter the trachea, but blocks the larynx during swallowing to prevent food or liquid from entering the airway.

Answer: I
 The trachea connects to the lungs via the bronchi, which branch off into smaller air passages called bronchioles.

Answer: A
 The trachea is a flexible windpipe reinforced with cartilage that carries air from the throat to the bronchi and lungs.

Answer: C 
 Hemoglobin is the oxygen-rich form of a respiratory protein found in red blood cells that helps transport oxygen from the lungs to the body tissues.

Answer: J and G
 In addition to being a flaplike structure, the epiglottis is also the throat passage behind the mouth that leads to the next stage of the digestive system, the esophagus.

Answer: L
 The alveoli are microscopically small pockets lined with moist epithelium that function in gas exchange, allowing oxygen to diffuse into the bloodstream and carbon dioxide to diffuse out.

Note: The other answer choices listed do not correctly match the definition of the epiglottis.

Question 2

Which of the following part for: 
-Pharynx

Accepted Answer

The pharynx is the throat passage behind the mouth, connecting the nasal and oral cavity with the larynx and esophagus.

Answer: D
 The pharynx contains a pair of vocal cords, which play a role in speech and sound production.

Answer: J
 The flaplike structure that points upward and allows air to enter the trachea but blocks the larynx during swallowing is called the epiglottis, which is part of the pharynx.

Answer: L
 Microscopically small pockets lined with moist epithelium that function in gas exchange are known as alveoli, which are found in the lungs and play a key role in respiration. The pharynx itself does not directly participate in gas exchange.

Therefore, the answers are: G, D, J, L.

Question 3

Respiratory proteins such as __________ in red blood cells and __________ in muscle bind oxygen and help maintain gradients that favor gas exchange.

Accepted Answer

The answer of Respiratory proteins such as __________ in red...

Question 4

Most CO₂ reacts with water inside red blood cells to form bicarbonate due to the enzymatic activity of __________.

Accepted Answer

The answer of Most CO₂ reacts with water inside red...

Question 5

Which of the following components of the lung secretes a lubricating substance that allows the lung tissues to separate when inflated?

Accepted Answer

The alveolar epithelium secretes a thin layer of surfactant, which is a lubricating substance that reduces surface tension and prevents the lung tissue from sticking together when inflated.

Question 6

Water flowing over fish gills exchanges gases with blood flowing in the opposite direction inside gill capillaries.This is called __________.

Accepted Answer

The answer of Water flowing over fish gills exchanges gases...

Question 7

If a person is choking,the __________ maneuver can be used to expel food from their trachea.

Accepted Answer

The answer of If a person is choking,the __________ maneuver...

Question 8

__________,the volume of air that moves in and out of the lungs during one respiratory cycle,is normally far less than __________.

Accepted Answer

The answer of __________,the volume of air that moves in...

Question 9

Which of the following part for: 
-Bronchus

Accepted Answer

The answer of

Which of the following part for:...

Question 10

What condition stimulates kidney cells to secrete more erythropoietin?

Accepted Answer

Hypoxia, or low oxygen levels, stimulates the kidney cells to secrete more erythropoietin. This hormone then stimulates the bone marrow to produce more red blood cells, which can carry more oxygen to the body's tissues.

Question 11

In mammals,lungs inflate when muscles increase the size of the ______ cavity.

Accepted Answer

The answer of In mammals,lungs inflate when muscles increase the...

Question 12

Invertebrates on land use __________ or __________ systems for gas exchange.

Accepted Answer

The answer of Invertebrates on land use __________ or __________...

Question 13

In animals,respiration is a physiological process by which O₂ enters the internal environment and CO₂ leaves by diffusing across a thin,moist __________.

Accepted Answer

The answer of In animals,respiration is a physiological process by...

Question 14

Through acclimatization at low high altitude,the body makes long-term adjustments in which of the following?

Accepted Answer

During acclimatization at low high altitude, the body makes long-term adjustments to increase the amount of oxygen delivered to the tissues. This includes an increase in cardiac output, which helps deliver more oxygen to the tissues by increasing blood flow. Additionally, there is an increase in hemoglobin, which helps to carry more oxygen in the blood. None of the other options (Gaseous nitrogen, Decompression stability, Narcosis) are involved in acclimatization at low high altitude.

Question 15

Which of the following part for: 
-Trachea

Accepted Answer

The trachea is a flexible windpipe that is reinforced with cartilage, which helps to keep it open and prevent it from collapsing.

Answer: J
 The epiglottis is a flap-like structure that sits at the base of the tongue and points upwards, allowing air to enter the trachea but blocking the larynx during swallowing.

Answer: I
 The bronchi are the two branches that connect the trachea to the lungs.

Answer: L
 The alveoli are microscopically small pockets lined with moist epithelium that function in gas exchange, allowing oxygen to diffuse into the bloodstream and carbon dioxide to diffuse out.

Question 16

____ have the most efficient respiratory system of all vertebrates.

Accepted Answer

The answer of ____ have the most efficient respiratory system...

Question 17

Contractions of the dome-shaped __________ and the intercostal muscles between the ribs alter the volume of the thoracic cavity during breathing.

Accepted Answer

The answer of Contractions of the dome-shaped __________ and the...

Question 18

What substance do the secretory cells in the lung release?

Accepted Answer

The secretory cells in the lung release surfactant, which is a substance that helps to reduce surface tension in the alveoli and prevent their collapse during exhalation. Carbon dioxide is not released by secretory cells but is produced during the process of cellular respiration. Myoglobin and oxyhemoglobin are proteins involved in oxygen transport in the blood, but are not released by the lung secretory cells. Carbonic anhydrase is an enzyme that catalyzes the interconversion of carbon dioxide and water, but is also not released by lung secretory cells.

Quiz 38: Respiration

Which of the following part for: -Epiglottis

Which of the following part for: -Pharynx

Respiratory proteins such as in red blood cells and in muscle bind oxygen and help maintain gradients that favor gas exchange.

Most CO₂ reacts with water inside red blood cells to form bicarbonate due to the enzymatic activity of __________.

Which of the following components of the lung secretes a lubricating substance that allows the lung tissues to separate when inflated?

Water flowing over fish gills exchanges gases with blood flowing in the opposite direction inside gill capillaries.This is called __________.

If a person is choking,the __________ maneuver can be used to expel food from their trachea.

,the volume of air that moves in and out of the lungs during one respiratory cycle,is normally far less than .

Which of the following part for: -Bronchus

What condition stimulates kidney cells to secrete more erythropoietin?

In mammals,lungs inflate when muscles increase the size of the ______ cavity.

Invertebrates on land use or systems for gas exchange.

In animals,respiration is a physiological process by which O₂ enters the internal environment and CO₂ leaves by diffusing across a thin,moist __________.

Through acclimatization at low high altitude,the body makes long-term adjustments in which of the following?

Which of the following part for: -Trachea

____ have the most efficient respiratory system of all vertebrates.

Contractions of the dome-shaped __________ and the intercostal muscles between the ribs alter the volume of the thoracic cavity during breathing.

What substance do the secretory cells in the lung release?

Quiz 38: Respiration

Which of the following part for: -Epiglottis

Which of the following part for: -Pharynx

Respiratory proteins such as __________ in red blood cells and __________ in muscle bind oxygen and help maintain gradients that favor gas exchange.

Most CO2 reacts with water inside red blood cells to form bicarbonate due to the enzymatic activity of __________.

Which of the following components of the lung secretes a lubricating substance that allows the lung tissues to separate when inflated?

Water flowing over fish gills exchanges gases with blood flowing in the opposite direction inside gill capillaries.This is called __________.

If a person is choking,the __________ maneuver can be used to expel food from their trachea.

__________,the volume of air that moves in and out of the lungs during one respiratory cycle,is normally far less than __________.

Which of the following part for: -Bronchus

What condition stimulates kidney cells to secrete more erythropoietin?

In mammals,lungs inflate when muscles increase the size of the ______ cavity.

Invertebrates on land use __________ or __________ systems for gas exchange.

In animals,respiration is a physiological process by which O2 enters the internal environment and CO2 leaves by diffusing across a thin,moist __________.

Through acclimatization at low high altitude,the body makes long-term adjustments in which of the following?

Which of the following part for: -Trachea

____ have the most efficient respiratory system of all vertebrates.

Contractions of the dome-shaped __________ and the intercostal muscles between the ribs alter the volume of the thoracic cavity during breathing.

What substance do the secretory cells in the lung release?

Respiratory proteins such as in red blood cells and in muscle bind oxygen and help maintain gradients that favor gas exchange.

Most CO₂ reacts with water inside red blood cells to form bicarbonate due to the enzymatic activity of __________.

,the volume of air that moves in and out of the lungs during one respiratory cycle,is normally far less than .

Invertebrates on land use or systems for gas exchange.

In animals,respiration is a physiological process by which O₂ enters the internal environment and CO₂ leaves by diffusing across a thin,moist __________.