Finals Quizzes Flashcards
Most of the oxygen entering the blood is transported
a. as dissolved gas in the blood plasma
b. converted to bicarbonate ions
c. bound to hemoglobin in red blood cells
d. bound to plasma proteins in the plasma
c. bound to hemoglobin in red blood cells
The is the common passageway for the respiratory and digestive systems.
a. Esophagus
b. Larynx
c. Pharynx
What prevents a lot of the particles you breathe from reaching the lungs?
a. Mucosa lining in the nose
b. Tonsils
c. Ciliated mucous lining the nose
d. Epiglottis
c. Ciliated mucous lining the nose
The exchange of gases between the blood and the cells of the body is called
a. Cellular Respiration
b. Pulmonary Ventilation
c. External Respiration
d. Internal Respiration
d. Internal Respiration
Arrange the following structures to show the path an oxygen molecule would follow once inhale.
(1) Alveolus(2) Bronchus (3) Bronchiole (4) Laryngopharynx(5) Larynx(6) Nasal cavity(7) Nasopharynx (8) Oropharynx(9) Trachea
a. 6, 7, 8, 5, 4, 9, 2, 3, 1
b. 6, 8, 7, 4, 5, 9, 2, 3, 1
c. 6, 7, 8, 4, 5, 9, 3, 2, 1
d. 6, 7, 8, 4, 5, 9, 2, 3, 1
d. 6, 7, 8, 4, 5, 9, 2, 3, 1
To increase CO2 levels in the blood, a person should
a. Hold their breath
b. Breathe faster than normal
c. All of the choices are correct
d. Take deeper and longer breaths
a. Hold their breath
What is the opening to the larynx called?
a. laryngopharynx
b. Epiglottis
c. Trachea
d. mediastinum
b. Epiglottis
What is the Adam’s apple directly part of?
a. Epiglottis
b. Cricoid cartilage
c. Thyroid cartilage
d. Tracheal rings
c. Thyroid cartilage
Respiration ensures that exits the body enters the body and that
a. Oxygen; carbon dioxide
b. Carbon dioxide; oxygen
c. Carbon dioxide; water
d. Oxygen; water
a. Oxygen; carbon dioxide
The only structures that allow gas diffusion across them are the.
a. Bronchioles
b. Bronchi
c. alveoli
d. alveolar ducts
c. alveoli
The are branched from the trachea that insert into the lungs.
a. Esophagus
b. Primary bronchi
c. Alveoli
d. Pharynx
b. Primary bronchi
What is a small division of the bronchi that brings air into the lungs?
a. Bronchioles
b. alveoli
c. alveolar duct
d. Ronchi
a. Bronchioles
The space between the two lungs is called the
a. Pleural cavity
b. Mediastinum
c. Thoracic space
d. Pericardial cavity
b. Mediastinum
Where are the pharyngeal tonsils located?
a. oral cavity
b. nasopharynx
c. oropharynx
d. laryngopharynx
b. nasopharynx
What is another name for the windpipe?
a. Pharynx
b. Lungs
c. Trachea
d. Larynx
c. Trachea
Which of the following is NOT a function of the respiratory system?
a. Olfaction
b. Gas exchange
c. Regulation of blood pH
d. Delivery of oxygen to the tissues of the body
d. Delivery of oxygen to the tissues of the body
Oxygen moves from the lungs into the bloodstream through
a. A tube in the lungs called the jugular vein
b. Small blood vessels in the lungs
c. A large artery in the heart
d. Nerve fibres
b. Small blood vessels in the lungs
What is the first structure in this respiratory sequence?
a. Larynx
b. Pharynx
c. Lungs
d. Trachea
b. Pharynx
What is the function of the pleurae of the lungs?
a. Lubricating the lungs and reducing friction
b. Gives the lungs the ability to exchange the gasses needed
c. Houses the lungs
d. Gives the lungs its inhalation and exhalation properties
a. Lubricating the lungs and reducing friction
Which of these functions cannot be attributed to the mucous membrane that lines the nasal cavity?
a. Initial gas exchange between air and blood occurs here
b. Moistens incoming air
c. Warms incoming air
d. Filters particles from incoming air
a. Initial gas exchange between air and blood occurs here
During digestion,
a. food moves from the digestive tract into the blood.
b. food is broken down from complex particles into smaller molecules.
c. products are removed from the body.
d. food enters the digestive tract through the mouth.
b. food is broken down from complex particles into smaller molecules.
Which of the following statements is NOT true about the function of the pancreas?
a. The pancreas secretes digestive enzymes into the duodenum of the small intestine.
b. The pancreas secretes bile to assist with the digestion of lipids.
c. The pancreas secretes hormones that regulate blood glucose levels.
d. The pancreas secretes buffers to regulate the pH of chyme in the small intestine.
b. The pancreas secretes bile to assist with the digestion of lipids.
Stores the liver’s digestive juices until they are needed by the intestines:
a. Villi
b. Pancreas
c. Gall bladder
c. Gall bladder
A long tube that carries food from the mouth to the stomach:
a. Urethra
b. Trachea
c. Esophagus
c. Esophagus
An organ that produces a bodily juice called bile:
a. Liver
b. Pancreas
c. Gallbladder
a. Liver
Which of the following is a digestive organ that is not part of the alimentary canal?
a. Pharynx
b. Liver
c. Stomach
d. Small intestine
b. Liver
This organ stores swallowed food and liquid, mixes up digestive juices with the food and liquid and sends it to the small intestine:
a. Stomach
b. Small intestine
c. Large intestine
a. Stomach
The cells of intestinal glands secrete mucus.
a. granular
b. absorptive
c. endocrine
d. goblet
d. goblet
The digestive enzyme is secreted in the saliva and begins carbohydrate digestion.
a. salivary amylase
b. mucin
c. buffers
d. lysozyme
a. salivary amylase
Most of the water absorption that occurs in digestive tract takes place in the
a. small intestine
b. stomach
c. large intestine
c. large intestine
Digestion is essentially completed in the
a. Stomach
b. Large intestine
c. Anus
d. Small intestine
d. Small intestine
also called chewing, breaks down large food particles into smaller ones.
a. Segmentation
b. Digestion
c. Mastication
d. Deglutition
c. Mastication
This is the job of the digestive system:
a. To take in oxygen and give off carbon dioxide
b. To take in and break down food for use by the body
c. To give the body shape
b. To take in and break down food for use by the body
Composed of the teeth, tongue, salivary glands and muscles, this part takes in food to begin the process of digestion:
a. Esophagus
b. Anus
c. Mouth
c. Mouth
The produces bile, an important substance for fat digestion.
a. pancreas
b. liver
c. gallbladder
d. stomach
b. liver
The final portion of the large intestine:
a. Gallbladder
b. Rectum
c. Esophagus
b. Rectum
What is an acid produced by the stomach cells that aids digestion?
a. Hydrochloric Acid
b. Ascorbic Acid
c. Ammonia
d. Bicarbonate ion
a. Hydrochloric Acid
The opening at the end of the digestive tract in which solid wastes are eliminated:
a. Mucosa
b. Liver
c. Anus
c. Anus
Tiny fingerlike projections in the small intestine:
a Villi
b. Rectum
c. Anus
c. Anus
Which of the following is not a function of the digestive system?
a. Absorption of nutrients
b. Ingestion of food
c. Digestion of food
d. Transport of nutrients to the tissues of the body
d. Transport of nutrients to the tissues of the body
