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