問題一覧
1
Which of the following papillae contain taste buds:
Fungiform
2
Which of the following substances is not absorbed in the large intestine:
Fats
3
Which of the following best describes the sodium/amino acid symporter in the small intestines:
Moves sodium and amino acids in the same direction powered by the sodium gradient
4
Which of the following structures absorbs the most nutrients:
Small intestine
5
Fats are repackaged in the small intestine into structures called:
Chylomicrons
6
Which best describes the function of bile:
Emulsifies fats
7
Which best describes the reason bicarbonate ions are secreted by the pancreas:
To make the chyme more alkaline
8
Which of the following best describes the function of secretin:
Inhibits the release of gastric secretions
9
Which best describes a mechanism for the release of gastrin:
Acetylcholine secreted by parasympathetic nervous system stimulates release of gastrin
10
Which of the following best describes the action of pepsin:
Helps to digest proteins
11
During which phase of swallowing do the uvula and epiglottis move to close off the pharynx and larynx:
Second
12
Bile is formed in which of the following:
Liver
13
Which best describes the structures known as haustra:
Pouches in the large intestine
14
Where are the crypts of Lieberkuhn located:
Small intestine
15
Where is the vomiting center located:
Medulla oblongata
16
Which of the following is not a stomach secretion: a. b. c. d.
Vit B12
17
Pepsinogen is secreted by which stomach cells:
Chief
18
Which of the following is not a stomach structure:
Omentum
19
How many secondary teeth are there in the adult human:
32
20
Which of the following salivary glands secrete salivary amylase:
Parotid
21
The net hydrostatic pressure at the arterial end of a capillary is:
13mmHg
22
The alimentary canal contains ____ smooth muscle layers:
2
23
Which of the following is not part of the alimentary canal:
Liver
24
A low PCO2 is typically associated with:
Respiratory alkalosis
25
Prolonged vomiting producing an increase of hydrogen ions is most likely:
Metabolic acidosis
26
A decrease in hydrogen ion concentration can produce:
Alkalosis
27
A decrease in blood calcium levels will facilitate the secretion of which substance:
Parathyroid hormone
28
Which of the following is treated with calcium gluconate:
Hyperkalemia
29
Which is the most severe problem:
Hyperkalemia
30
A person with a sodium level of 160 mg/dl has:
Hypernatremia
31
Which of the following is not a result of dehydration:
Vasodilation
32
Which best describes the mechanism by which aldosterone affects fluid volume:
Causes sodium retention and water is retained by osmosis
33
The thirst mechanism resides here:
Hypothalamus
34
The typical adult body contains about ___ liters of fluid:
40
35
Which of the following is not part of the extracellular compartment:
Cytosol
36
A typical net filtration pressure is about:
10 mm Hg
37
Which best describes the action of ADH:
Increases membrane permeability to water in the distal convoluted tubule
38
What type of fluid exits the nephron loop:
Hypotonic
39
The ascending limb of the nephron loop is:
Permeable to solute but not water
40
Which of the following best describes the action of aldosterone:
Increases reabsorption of sodium
41
Holding your breath would cause a state of:
Respiratory acidosis because of the buildup of hydrogen ions
42
Macula densa cells secrete ____ which promotes _____:
Nitric oxide, vasodilation
43
Renin is secreted by the juxtaglomerular apparatus when this occurs:
Systemic blood pressure drops below 80 mm Hg
44
During exercise urine production ______ because ______:
Decreases, sympathetic effects
45
An increase in colloid osmotic pressure would have which effect on urine production:
It would decrease
46
Glomerular capillary hydrodstatic pressure is normally about:
50 mm Hg
47
How much filtrate is produced by the kidneys each day:
180 liters
48
The renal output is:
2 ml/min
49
The female urethra is about how long:
3 cm
50
Which of the following is not a part of the male urethra:
Corporus