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biology Misc Prelim 1 AGAIN
Misc Prelim 1 take 2
35
Biology
Undergraduate 1
05/13/2010

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Term
7.16 Most ulcers are caused by ___________.
1) Stress
2) Too many high density lipoproteins
3) Helicobacter
4) An excess of fat soluble vitamins
5) Too many low density lipoproteins
Definition
Helicobacter
Term
7.18. Meat tenderizers are extracts from papaya or pineapple that contain
1) vitamin C
2) proteases
3) p-protein
4) vitamin B1
5) vitamin B3
Definition
proteases
Term
7.20. Tagamet binds to the H2 histamine receptor to prevent the secretion of________.
1) gastric juice
2) blood plasma
3) tears
4) mucus
5) all of the above
Definition
gastric juice
Term
8.3. Bicarbonate, secreted by the small intestine and the pancreas,
1) Acidifies the stomach so the proteins are digested
2) Neutralizes any acid in the lungs
3) Neutralizes the gastric juice that enters the small intestine
4) Neutralizes the liver acids
5) Both 2 and 4
Definition
Neutralizes the gastric juice that enters the small intestine
Term
8.6 The action of enterokinase is an example of
1) how tightly the body regulates the activity of proteases
2) how tightly the body regulates the photosynthetic pathway
3) how tightly the body regulates the flow of blood through the liver
4) how tightly the body regulates the blood pressure
5) how tightly the body regulates the digestion of starch
Definition
how tightly the body regulates the activity of proteases
Term
8.7. Amylase, lipase and the pro-protease, trypsinogen are secreted by the
1) Liver
2) Kidney
3) Stomach
4) Small Intestine
5) Pancreas
Definition
Pancreas
Term
8.8 Biodegradation reactions
1) are usually hydrolytic.
2) take place in aqueous environments.
3) do not require an input of energy.
4) break down larger molecules to smaller molecules.
5) All of the above
Definition
All of the above
Term
8.10 By following the movement of radioactive amino acids incorporated into digestive
enzymes in the pancreatic cells, George Palade determined
1) The intracellular pathway of secreted proteins goes from the ER to the Golgi
apparatus to the secretory vesicles.
2) The intracellular pathway of secreted proteins goes from the Golgi apparatus to
the ER to the secretory vesicles
3) The intracellular pathway of secreted proteins goes from the secretory vesicles to
the Golgi apparatus to the ER
4) The intracellular pathway of secreted proteins goes from the secretory vesicles to
the ER to the Golgi apparatus.
5) None of the above
Definition
The intracellular pathway of secreted proteins goes from the ER to the Golgi
apparatus to the secretory vesicles.
Term
8.11 Bayliss and Starling noticed that treating the mucosa of the small intestine with acid
resulted in
1) The secretion of saliva in the mouth
2) The production of secretin
3) The secretion of digestive enzymes from the pancreas
4) The secretion of gastric juice from the stomach
5) Both 2 and 3
Definition
Both 2 and 3
Term
8.19. The external anal sphincter
1) is usually under voluntary control
2) makes defecation convenient
3) relaxes when the body goes into “fight or flight” mode
4) can relax when there is a large surge of adrenaline in the blood
5) all of the above
Definition
all of the above
Term
8.20. An ______________gland secretes substances into a duct.
1) endocrine
2) exocrine
3) adipose
4) endergonic
Definition
exocrine
Term
8.21. An ______________gland secretes substances into the blood stream.
1) endocrine
2) exocrine
3) adipose
4) endergonic
5) exergonic
Definition
endocrine
Term
8.24. Bacteria in the gut ________________.
1) produce vitamin K
2) may stimulate lipid absorption
3) may produce methane
4) may produce a toxin that induces diarrhea
5) all of the above
Definition
all of the above
Term
9.3 A sugar molecule takes the following path after it passes from the small intestine:
1) Hepatic portal vein, liver, vena cava
2) Liver, lung, heart
3) Left heart, right heart, lung
4) Pancreas, gall bladder, liver
5) Large intestine, stomach, esophagus
Definition
Hepatic portal vein, liver, vena cava
Term
9.4 Put in order from largest to smallest:
1) Vein, venuole capillary
2) Artery, arteriole, capillary
3) Bronchus, bronchiole, alveolus
4) Ventricle, atrium
5) All of the above
Definition
All of the above
Term
9.8 Systole is the period when:
1) The heart contracts
2) The heart fills with blood
3) The left ventricle relaxes
4) The right ventricle relaxes
5) The diaphragm contracts
Definition
The heart contracts
Term
9.9 During systole, the force of the ventricular contraction__________the atrioventricular
valves and__________the semilunar valves.
1) closes, opens
2) opens, closes
3) closes, closes
4) has no effect on, opens
5) has no effect on, closes
Definition
closes, opens
Term
9.14 Amyl nitrite and nitroglycerine cause the dilation of coronary arteries because:
1) They inhibit NO
2) They are converted to NO
3) They inhibit adrenaline
4) They are converted to adrenaline
5) Both 2 and 4
Definition
They are converted to NO
Term
9.15 Increased blood flow in the penis is a result of _____________.
1) Protease action
2) Lipase action
3) Secretin
4) Nitric oxide
5) Secretions from the small intestine
Definition
Nitric oxide
Term
9.17. The blood is _____________ in the pulmonary vein and is _________ in the
pulmonary artery.
1) oxygenated, oxygenated
2) unoxygenated, unoxygenated
3) oxygenated, unoxygenated
4) unoxygenated, oxygenated
5) nutrient-rich, nutrient-poor
Definition
oxygenated, unoxygenated
Term
9.18. During diastole, the atrioventricular valves are __________ and during systole, the
atrioventricular valves ___________ due to the force of ventricular contraction.
__________.
1) closed, open
2) open, close
3) closed, close
4) open, open
5) oxygenate the blood, deoxygenate the blood
Definition
open, close
Term
9.19. During systole, the semilunar valves are ___________ and during diastole, the
semilunar valves are __________.
1) closed, open
2) open, closed
3) closed, closed
4) open, open
5) making ATP from glucose, making ATP from fats
Definition
open, closed
Term
9.20. During systole, the atrioventricular valves ___________ and during diastole, the
semilunar valves __________.
1) close, open
2) open, close
3) close, close
4) open, open
5) oxygenate the blood, deoxygenate the blood
Definition
close, close
Term
10.2 The coenzyme, NAD is formed from
1) Vitamin A
2) Vitamin B1
3) Vitamin B3
4) Vitamin C
5) Vitamin D
Definition
Vitamin B3
Term
10.3. The coenzyme NAD is formed from__________.
1) beta carotene
2) thiamine
3) niacin
4) ascorbic acid
5) none of the above.
Definition
thiamine
Term
10.8. Which of the following associations are correct?
1) Krebs-escaped angry mob that set fire to his lab, Lavoisier-lost head in guillotine,
Priesley-escaped Nazi persecution
2) Lavosier-escaped angry mob that set fire to his lab, Priestley-lost head in guillotine,
Krebs-escaped Nazi persecution
3) Lavosier-escaped angry mob that set fire to his lab, Krebs-lost head in guillotine,
Priestley-escaped Nazi persecution
4) Priestley-escaped angry mob that set fire to his lab, Lavoisier-lost head in guillotine,
Krebs-escaped Nazi persecution
5 ) none of the above associations are correct
Definition
Priestley-escaped angry mob that set fire to his lab, Lavoisier-lost head in guillotine,
Krebs-escaped Nazi persecution
Term
10.9 C(H2O) + O2 ⇒ CO2 + H2O + energy is the summary formula for
1) The Krebs cycle
2) The Calvin cycle
3) Glycolysis
4) Photosynthesis
5) Respiration
Definition
Respiration
Term
10.10 Thread-like and/or small grain-like organelles are usually called:
1) Nuclei
2) Golgi apparati
3) Mitochondria
4) Chloroplasts
5) Microtubules
Definition
Mitochondria
Term
10.17 Cytochromes are
A) iron-containing, colored molecules found in all eukaryotic cells
B) niacin-containing coenzymes
C) thiamin-containing coenzymes
D) iron-containing, coloring agent in feces
E) the coloring agent in urine
Definition
niacin-containing coenzymes
Term
10.18 Which molecule reduces oxygen to form water?
A) Chlorophyll
B) Hemoglobin
C) Cytochrome
D) Cytochrome oxidase
E) Iron
Definition
Cytochrome oxidase
Term
10.19 Which molecule is poisoned by carbon monoxide?
A. Chlorophyll
B. Glucose
C. Cytochrome
D. Cytochrome oxidase
E. Iron
Definition
Cytochrome oxidase
Term
10.20 Which molecule is poisoned by cyanide?
A. Chlorophyll
B. Hemoglobin
C. Cytochrome
D. Cytochrome oxidase
E. Iron
Definition
Cytochrome oxidase
Term
11.1 Urea is produced in the
A) kidney
B) lung
C) liver
D) gall bladder
E) pancreas
Definition
liver
Term
11.3 Which organ is involved in removing urea from the blood stream?
A) Liver
B) Pancreas
C) Small intestine
D) Large intestine
E) Kidney
Definition
Kidney
Term
11.4. The basic functional unit of the kidney is the _________.
1) nephron
2) uron
3) cortex
4) medulla
5) renal artery
Definition
nephron
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