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24.3 Final Exam
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Questions in this quiz (31)
1this is the principal cation of the ECF
- ACa 2+
- BCl -
- CNa +
- DK +
- EPi
2the major chemical buffers system of the body are the ___ systems
- Aurinary and respiratory
- Burinary and digestive
- Cbicarbonate, phosphate, and protein
- Dbicarbonate, nucleic acids, and protein
- Ebicarbonate, phosphate, and nitrate
3what protein(s) is/are the most important buffer(s) in blood plasma
- Afibrinogen
- Balbumin
- Calpha globulins
- Dgamma globulins
- Etransferrin
4what protein(s) is/are the most important buffer(s) in erythrocytes
- Aalbumin
- Bfibrinogen
- Cgamma globulins
- Dhemoglobin
- Emyoglobin
5when the renal tubules secrete hydrogen ions into the tubular fluid, they ___ at the same time
- Asecrete potassium
- Bsecrete sodium
- Creabsorb potassium
- Dsecrete chloride
- Ereabsorb sodium
6proteins can buffer a drop of pH by their ____ side groups and can buffer an increase in pH by their ____ side groups
- A-NH2; -PO4
- B-PO4; -COOH
- C-NH2; -COOH
- D-COOH; -NH2
- E-PO4; -NH2
7in a person with normal acid-base balance, there are no bicarbonate ions in urine because
- Athey are consumed by neutralizing H+.
- Bthey are reabsorbed by the renal tubule cells.
- Cthey are exchanged for CO2.
- Dthey are exchanged for Cl-.
- Ethey rapidly diffuse into the renal tubule cells.
8in acidosis, the membrane potential of nerve cells is ___, which ____ the central nervous system
- Arepolarized; inhibits
- Bdepolarized; stimulates
- Chyperpolarized; depresses
- Ddepolarized; depresses
- Ehyperpolarized; stimulates
9In a state of water balance, average daily fluid gains and losses are equal
- ATrue
- BFalse
10The three physiological buffer systems are urinary, digestive, and respiratory
- ATrue
- BFalse
11The kidneys neutralize more acid or base than any other buffer system
- ATrue
- BFalse
12Acidosis is a pH lower than 7, whereas alkalosis is a pH higher than 7
- ATrue
- BFalse
13Uncompensated alkalosis is a pH imbalance that can only be corrected with clinical intervention
- ATrue
- BFalse
14a buffer system converts a weak acid or base into a strong one.
- ATrue
- BFalse
15_____ is the most significant solute in determining the distribution of water among fluid compartments.
- ANa+
- BK+
- CCl-
- DH+
16this is the most abundant cation of the ICF
- AK+
- BNa+
- CCl-
- DH+
17the total body water (TBW) contente of a 70 kg young male is about
- A40L
- B4L
- C400L
- D4000L
18this is the greatest determinant of intracellular volume
- AK+
- BH+
- CCl-
- DNa+
19this is the moste abundant anion of the ECF
- ACl-
- BNa+
- CK+
- DH+
20excretion of phosphate
- Aincreases free calcium ions in the ECF
- Bincreases free potassium ions in the ECF
- Cdecreases free calcium ions in the ECF
- Ddecreases free potassium ions in the ECF
21___ represents the complete chemical reaction for the bicarbonate buffer system.
- ACO2 + H2O <--> H2CO3 <--> HCO3- + H+
- BH2CO3 <--> CO2 + H20
- CH+ + CO3 <--> H2CO3
22tissue fluid normally has a pHof
- A7.35-7.45
- B8.35-8.45
- C7.15-7.25
- D7.85-7.95
- A7.35-7.45
23A weak base
- ABinds little H+ and has a weak effect of pH
- BBinds little H+ and has a strong effect of pH
24the pH of the intracellular fluid is buffered mainly by
- Aproteins
- Bcarbohydrates
- Clipids
- Dfatty acids
25the bicarbonate buffer system would not work very well in the human body if not for the action of the respiratory sytem, which
- Aexpels CO2 produced by the buffer system
- Bintakes CO2 produced by the buffer system
- Cexpels H2O produced by the buffer system
- Dintakes H2O produced by the buffer system
26an antiport system on the basal side of renal tubule cells
- Aexchanges K+ for Na+
- Bexchanges Na+ for K+
- Cexchanges K+ for H+
- Dexchanges Na+ for Cl-
27in acidosis, the kidneys compensate by
- Asecreting more ammonia
- Bsecreting more water
- Csecreting more plasma
28breathing with the head inside a plastic bag can lead to
- Arespitory acidosis
- Bmetabolic alkalosis
29excessive intake of antacids can lead to
- Ametabolic alkalosis
- Brespitory acidosis
30chronic vomiting can lead to
- Ametabolic alkalosis
- Brepiratory acidosis
31emphysema can lead to
- Ametabolic alkalosis
- Brepiratory acidosis
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- 2 Anatomy Part 2 Quiz on 24.3 Final Exam, created by Avi Chudasama on 30/04/2016.
- Author
- Avi Chudasama
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- English
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