問題一覧
1
The ability of the GI tract to mix and move material along the length is called
motility
2
Which of the labeled absorptive processes in the figure occur by passive transport without using cellular energy?
B, E, F
3
The openings to the auditory (Eustachian) tubes are located in the
Nasopharynx
4
The tongue is primarily composed of
skeletal muscle
5
The total lung capacity equals
TV + IRV + ERV + RV
6
All of the following are normal changes that occur in the respiratory system during exercise EXCEPT
less carbon dioxide is produced in the muscles
7
Which of the following substance can be absorbed in the stomach?
alcohol
8
Which of the labeled steps i the diagram do NOT involve contraction of any respiratory muscles?
B only
9
Chyme is released from the stomach into the
duodenum
10
All of the following are characteristic of saliva EXCEPT
secreted by endocrine glands found along the lingual frenulum
11
Which of the labeled steps in the diagrams involve contraction the diaphragm?
A and C
12
Which of the following structures in the respiratory system is commonly called the Adams apple
thyroid cartilage
13
Which of the following labeled regions of the large intestine is the rectum in which feces collects prior to defecation?
J
14
Nerve impulses travel from the active dorsal respiratory group of the respiratory center of the diaphragm via the
phrenic nerve
15
The major events of chemical digestion and absorption of foods occur in the
small intestine
16
The palatine tonsils are found in the
oropharynx
17
Which of the following affect the release of oxygen from hemoglobin?
Al of the choices are correct
18
The flap of elastic cartilage covered by epithelium that closes off the larynx and prevents food and water from entering the larynx during swalllowing is called the
epiglottis
19
All of the following decreases the rate of gas exchange during external respiration EXCEPT
increased alveolar PO2
20
Which of the following cranial nerves carry electrical signals that stimulate the gastric glands to secrete gastric juice during the cephalic stage of digestion?
vagus (X) nerve
21
All of the following organs are part of the gastrointestinal tract except the
gallbladder
22
Carbon monoxide is a colorless and odorless gas that
both binds to the heme group of the hemoglobin and binds more strongly to the heme than oxygen does
23
Based on the volumes shown in the spirogram, what is the resting minute ventilation (MV) of this individual at a breathing rate of 12 breathes per min?
6,000 ml/min
24
The final portion of the small intestine, which is mostly found in the lower right quadrant, is called the
ileum
25
Which of the labeled steps in the diagram involve contraction of the abdominal muscles?
D
26
Which of the following is not likely to cause of “emotional eating”
increased physical activity
27
which of the following conditions is necessary for air to enter the lungs during inspiration?
The alveolar pressure must be lower than the atmospheric pressure
28
Which of the following paths are followed by nutrient-rich blood entering the liver through the hepatic portal vein?
hepatic portal vein-hepatic sinusoid-central vein-hepatic vein
29
Respiration rate are mainly controlled by the medulla oblongata and
pons, in response to changes in the amount of CO2 in the arterial blood
30
The layer of the GI tract wall containing networks of enteric neurons that control the secretory activity of the GI tract is called
submucosa
31
The chloride shift
involves movement of bicarbonate to outside of RBCs in exchange for chloride
32
The pancreatic duct transports pancreatic juice from the pancreas into the
duodenum
33
The layer of GI tract wall containing a large number pf blood and lymphatic vessels that receives absorbed food molecules is called the
submucosa
34
The nasal cavity is lined with
ciliated pseudosstratified columnar epithelium
35
Which of the following is NOT an enzyme used to digest carbohydrates?
enterkinase
36
The breathing rate is controlled by the respiratory center that consists of a group of neurons located in the
medulla oblongata and pons
37
Pepsinogen is produced by the
chief cells of the stomach
38
Which of the following occur during the intestinal phase of digestion
More than one of these events occur
39
Salicary amylase is an enzyme secreted into the oral cavity to start the digestion of
carbohydrates
40
The form of the hepatitis that is commonly referred to as “infectious hepatitis” is
hepatitis A
41
The small intestinal enzyme that catalyzes that hydrolysis of milk sugar into a glucose and galactose is called
lactase
42
The portion of the large intestine just before the rectum is the
sigmoid colon
43
When empty, the mucosa of the stomach contains large folds called
rugae
44
The first portion of the large intestine is called the
cecum
45
After a rigorous exercise sessions has ended, there is an abrupt drop in the ventilation rate followed by a more gradual decrease. The initial abrupt drop in ventilation primarily from decreased stimulation of
proprioceptors
46
Which of the following digestion products are absorbed into the lacteals found within the vili?
chylomicrons
47
The amount of air left in the lungs after a normal expiration, labeled D in the Spirograph is called the
functional residual capacity
48
The human lungs contain about_ alveoli
300 million
49
Which of the following regions of the bronchial tree divides to from multiple alveolar ducts?
respiratory bronchioles
50
Which of the labeled locations on the diagram of external and internal respiration would have the following concentrations of gases: PO2 = 105 mm Hg and PCO2 = 40 mm Hg?
B
51
Teeth are primarily composed of a bone-like substance called
dentin
52
The structure (labeled D in the diagram) that is used to prevent the movement of food into the respiratory system during swelling is called
epiglottis
53
The absorption of fructose across the microvillar surface of intestinal epithelial cells, marked B in the figure, occurs by
facilitated diffusion
54
The portion of peritoneum that anchors the small intestines to the posterior abdominal wall is called the
mesentery
55
In adult humans, all of the following are function of the liver EXCEPT
red blood cell production
56
Why is the left lung about 10% smaller than the right lung?
The majority of the mass of the heart is found on the left side
57
Which of the following respiratory diseases is caused by a virus that is easily spread from person to person through coughing, sneezing, or touching contaminated objects?
influenza
58
Chisel-shaped teeth that are adapted for cutting into food are called
incisors
59
The exchange of gases that occurs during external respiration takes place in the
alveoli
60
The vital capacity of the respiratory system can decrease by as much as _ by the age of 70
35%
61
Absorption of digested nutrients and water in the small intestine occurs by
All of the choices are correct
62
The volume of air in one normal reach is called the
tidal volume
63
The intestinal hormone that induces a feeling of satiety (full to satisfaction) is
cholecystokinin
64
Which of the following is NOT a structure associated with the lungs?
endocardium
65
The nasal cavity connects to the pharynx through two openings called the
internal nares
66
Approximately how much of the total CO2 in the blood is carried as bicarbonate?
70%
67
Storage of glycogen, vitamins (A,D,E,K) and minerals (iron and copper). along with detoxification of chemicals like ammonia, are functions of the
liver
68
Which of the following are components of the respiratory zone of the lower respiratory system?
alveolar ducts
69
The projection hanging from the soft plate that helps prevent food and fluid from entering that nasal cavity during swalling is the
uvula
70
Histamine is a mediator of allergic reaction that causes
bronchoconstriction
71
All of the following are digestive enzymes found in the pancreatic juice EXCEPT
pepsin
72
The true vocal cords are located in the
larynx
73
Which of the following is NOT a function of the respiratory system?
transport of nutrients to tissues
74
Which of te following changes would lead to an increase in the rate and depth of breathing?
increased h+ and carbon dioxide in the cerebrospinal
75
The greater omentum is part of the
peritoneum
76
Cartilaginous rings
All of the choices are correct
77
Gas exchange in the lungs occurs across the respiratory membrane by the process of
diffusion
78
Which of the following is an intentional hormone that is released during the intestinal phase of digestion and stimulates the contraction of the gall bladder leading to the flow of bile into the duodenum?
CCK
79
The amount of air that you can breathe out after a maximal inspiration, labeled B in spirogram, is called the
vital capacity
80
Under normal breathing conditions at sea level, the lowest concentration of carbon dioxide (PCO2) would be observed at point _ in the diagram of external and internal respiration.
A
81
Which of the following organs does not release substances into the duodenum?
spleen
82
A disorder of the respiratory system characterized by the destruction of the alveolar walls is called
emphysema
83
Which of the following is NOT a typical respiratory system change observed as the result of aging?
increased ciliary of epithelial cells lining upper respiratory system
84
Which of the following lists is the correct order of movement of digestive material through the large intestine?
cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum
85
Most oxygen in the blood is transported as
oxyhemoglobin
86
Which of the following is NOT a protein-digesting enzyme?
carboxypeptidase
87
Which of the following lists a correct order in which inhaled air sequentially moves through the structures of the respiratory passageway?
pharynx, larynx, trachea, bronchi, bronchioles
88
Yawning is a modified respiratory movement that
involves a smooth extended contraction of the diaphragm
89
The exchanges of gases between blood in the systemic capillaries and tissue cells is called
internal respiration
90
Which of the following structures associated with the tongue contains the taste buds?
papillae
91
The volume of air that can be forcible exhaled after a normal exhalation is the
expiratory reserve volume
92
Painful or labored breathing is referred to as
dyspnea
93
The sight, smell or thought of food activates the _ phase of digestion
cephalic