07. What is implied by «active transport»? a) Transport of drugs trough a membrane by means of diffusion b) Transport without energy consumption c) Engulf of drug by a cell membrane with a new vesicle formation

07.    What is implied by «active transport»?
a)    Transport of drugs trough a membrane by means of diffusion
b)    Transport without energy consumption
c)    Engulf of drug by a cell membrane with a new vesicle formation
by

1 Answer

Answer :

d)    Transport against concentration gradient
by

Related questions

04. The main mechanism of most drugs absorption in GI tract is: a) Active transport (carrier-mediated diffusion) b) Filtration (aqueous diffusion) c) Endocytosis and exocytosis d) Passive diffusion (lipid diffusion)

Description : 04. The main mechanism of most drugs absorption in GI tract is: a) Active transport (carrier-mediated diffusion) b) Filtration (aqueous diffusion) c) Endocytosis and exocytosis d) Passive diffusion (lipid diffusion)

Last Answer : PHARMACOKINETICS

06. A hydrophilic medicinal agent has the following property: a) Low ability to penetrate through the cell membrane lipids b) Penetrate through membranes by means of endocytosis c) Easy permeation through the blood-brain barrier d) High reabsorption in renal tubules

Description : 06. A hydrophilic medicinal agent has the following property: a) Low ability to penetrate through the cell membrane lipids b) Penetrate through membranes by means of endocytosis c) Easy permeation through the blood-brain barrier d) High reabsorption in renal tubules

Last Answer : a) Low ability to penetrate through the cell membrane lipids

Pharmacokinetics is: a) The study of biological and therapeutic effects of drugs b) The study of absorption, distribution, metabolism and excretion of drugs c) The study of mechanisms of drug action d) The study of methods of new drug development

Description : Pharmacokinetics is: a) The study of biological and therapeutic effects of drugs b) The study of absorption, distribution, metabolism and excretion of drugs c) The study of mechanisms of drug action d) The study of methods of new drug development

Last Answer : b) The study of absorption, distribution, metabolism and excretion of drugs

02. What does “pharmacokinetics” include? a) Complications of drug therapy b) Drug biotransformation in the organism c) Influence of drugs on metabolism processes d) Influence of drugs on genes

Description : 02. What does “pharmacokinetics” include? a) Complications of drug therapy b) Drug biotransformation in the organism c) Influence of drugs on metabolism processes d) Influence of drugs on genes

Last Answer : b) Drug biotransformation in the organism

05. What kind of substances can’t permeate membranes by passive diffusion? a) Lipid-soluble b) Non-ionized substances c) Hydrophobic substances d) Hydrophilic substances 06. A hydrophilic medicinal agent

Description : 05. What kind of substances can’t permeate membranes by passive diffusion? a) Lipid-soluble b) Non-ionized substances c) Hydrophobic substances d) Hydrophilic substances 06. A hydrophilic medicinal agent

Last Answer : d) Hydrophilic substances

10. Pick out the appropriate alimentary route of administration when passage of drugs through liver is minimized: a) Oral b) Transdermal c) Rectal d) Intraduodenal

Description : 10. Pick out the appropriate alimentary route of administration when passage of drugs through liver is minimized: a) Oral b) Transdermal c) Rectal d) Intraduodenal

Last Answer : c) Rectal

02. What does “pharmacokinetics” include? a) Pharmacological effects of drugs b) Unwanted effects of drugs c) Chemical structure of a medicinal agent d) Distribution of drugs in the organism

Description : 02. What does “pharmacokinetics” include? a) Pharmacological effects of drugs b) Unwanted effects of drugs c) Chemical structure of a medicinal agent d) Distribution of drugs in the organism

Last Answer : d) Distribution of drugs in the organism

12. What is characteristic of the oral route? a) Fast onset of effect b) Absorption depends on GI tract secretion and motor function c) A drug reaches the blood passing the liver d) The sterilization of medicinal forms is obligatory

Description : 12. What is characteristic of the oral route? a) Fast onset of effect b) Absorption depends on GI tract secretion and motor function c) A drug reaches the blood passing the liver d) The sterilization of medicinal forms is obligatory

Last Answer : b) Absorption depends on GI tract secretion and motor function

11. Which route of drug administration is most likely to lead to the first-pass effect? a) Sublingual b) Oral c) Intravenous d) Intramuscular

Description : 11. Which route of drug administration is most likely to lead to the first-pass effect? a) Sublingual b) Oral c) Intravenous d) Intramuscular

Last Answer : b) Oral

08. What does the term “bioavailability” mean? a) Plasma protein binding degree of substance b) Permeability through the brain-blood barrier c) Fraction of an uncharged drug reaching the systemic circulation following any route administration d) Amount of a substance in urine relative to the initial doze

Description : 08. What does the term bioavailability mean? a) Plasma protein binding degree of substance b) Permeability through the brain-blood barrier c) Fraction of an uncharged drug reaching the systemic ... following any route administration d) Amount of a substance in urine relative to the initial doze

Last Answer : C

03. What does “pharmacokinetics” include? a) Localization of drug action b) Mechanisms of drug action c) Excretion of substances d) Interaction of substances

Description : 03. What does “pharmacokinetics” include? a) Localization of drug action b) Mechanisms of drug action c) Excretion of substances d) Interaction of substances

Last Answer : c) Excretion of substances

09. The reasons determing bioavailability are: a) Rheological parameters of blood b) Amount of a substance obtained orally and quantity of intakes c) Extent of absorption and hepatic first-pass effect d) Glomerular filtration rate

Description : 09. The reasons determing bioavailability are: a) Rheological parameters of blood b) Amount of a substance obtained orally and quantity of intakes c) Extent of absorption and hepatic first-pass effect d) Glomerular filtration rate

Last Answer : C

Substances insoluble in a membrane are carried across the membrane with the concentration gradient by means of a carrier molecule in a process known as: a) osmosis. b) diffusion. c) active transport. d) facilitated diffusion.

Description : Substances insoluble in a membrane are carried across the membrane with the concentration gradient by means of a carrier molecule in a process known as: a) osmosis. b) diffusion. c) active transport. d) facilitated diffusion.

Last Answer : ANSWER: D -- FACILITATED DIFFUSION.

Fatty acids can be transported into and out of cell membrane by (A) Active transport (B) Facilitated transport (C) Diffusion (D) Osmosis

Description : Fatty acids can be transported into and out of cell membrane by (A) Active transport (B) Facilitated transport (C) Diffusion (D) Osmosis

Last Answer : B

The process by which cell can take in fluid and molecules too large to be carried across the plasma membrane by active transport is called a. phagocytosis b. Pinocytosis c. absorption d. diffusion

Description : The process by which cell can take in fluid and molecules too large to be carried across the plasma membrane by active transport is called a. phagocytosis b. Pinocytosis c. absorption d. diffusion

Last Answer : Pinocytosis

3 Diffusion of drugs across cell membrane: A. Is dependent upon metabolic activity of the cell B. Is competitively inhibited by chemically related drugs C. Is affected by extent of ionization of drug molecules D. Exhibits saturation kinetics

Description : 3 Diffusion of drugs across cell membrane: A. Is dependent upon metabolic activity of the cell B. Is competitively inhibited by chemically related drugs C. Is affected by extent of ionization of drug molecules D. Exhibits saturation kinetics

Last Answer : C. Is affected by extent of ionization of drug molecules

Majority of drugs cross biological membranes primarily by: A. Passive diffusion B. Facilitated diffusion C. Active transport D. Pinocytosis

Description : Majority of drugs cross biological membranes primarily by: A. Passive diffusion B. Facilitated diffusion C. Active transport D. Pinocytosis

Last Answer : A. Passive diffusion

Majority of drugs cross biological membranes primarily by: A. Passive diffusion B. Facilitated diffusion C. Active transport D. Pinocytosis

Description : Majority of drugs cross biological membranes primarily by: A. Passive diffusion B. Facilitated diffusion C. Active transport D. Pinocytosis

Last Answer : C. Is affected by extent of ionization of drug molecules

Invagination by a cell membrane forming a vesicle around a solid particle is a: a) lysosome b) phagocytosis (pron: fag-o-sigh-toe-sis) c) pinocytosis (pron: pin-o-sigh-toe-sis) d) peroxisomes (pron: pay-rak-se-som)

Description : Invagination by a cell membrane forming a vesicle around a solid particle is a: a) lysosome b) phagocytosis (pron: fag-o-sigh-toe-sis) c) pinocytosis (pron: pin-o-sigh-toe-sis) d) peroxisomes (pron: pay-rak-se-som)

Last Answer : ANSWER: B -- PHAGOCYTOSIS

The bacterial cytoskeleton a. transport vesicle b. helps determine cell shape c. Is organized identical to its eukaryotic counterpart. d. Centers the nucleoid.

Description : The bacterial cytoskeleton a. transport vesicle b. helps determine cell shape c. Is organized identical to its eukaryotic counterpart. d. Centers the nucleoid.

Last Answer : b. helps determine cell shape

There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s) is/are true concerning energy converting transport? a. The site of energy conversion and transport in the plasma membrane involves the phospholipid component b. The Na+-K++-ATPase derives energy from hydrolysis of extracellular ATP c. In some systems, energy inherent in the transmembrane ion gradient can be used to drive transport of a second species d. Examples of species transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose

Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose

Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose

Active and passive transports across cell membrane differ in (a) passive transport is nonselective(b) passive transport is along the concentration gradient while active transport is due to metabolic energy (c) active transport is more rapid (d) passive transport is confined to anions while active transport is confined to cations.

Description : Active and passive transports across cell membrane differ in (a) passive transport is nonselective (b) passive transport is along the concentration gradient while active transport is due to metabolic ... (d) passive transport is confined to anions while active transport is confined to cations.

Last Answer : (b) passive transport is along the concentration gradient while active transport is due to metabolic energy

Sugars depend on which mechanism to enter the cell a. facilitated diffusion b. active transport c. both d. none of them

Description : Sugars depend on which mechanism to enter the cell a. facilitated diffusion b. active transport c. both d. none of them

Last Answer : facilitated diffusion

The movement of glucose into a cell occurs by a. Facilitated diffusion. b. Active transport. c. Simple diffusion. d. Phospholipid exchange.

Description : The movement of glucose into a cell occurs by a. Facilitated diffusion. b. Active transport. c. Simple diffusion. d. Phospholipid exchange.

Last Answer : b. Active transport.

By which of the following can movement of materials across animal cell membranes be accomplished? I Active transport, II Diffusion, III Pinocytosis (A) I only (B) II only (C) I and II only (D) All I, II, and III

Description : By which of the following can movement of materials across animal cell membranes be accomplished? I Active transport, II Diffusion, III Pinocytosis (A) I only (B) II only (C) I and II only (D) All I, II, and III

Last Answer : Will be only two.

Antifungal drugs, such as_ __, inhibit proper formation of a. Miconazole; A Plasma Membrane b. Griseofulvin; Dna c. Ketoconazole; A Cell Wall d. Tiucytosine; A Rnicrotubule

Description : Antifungal drugs, such as_ __, inhibit proper formation of a. Miconazole; A Plasma Membrane b. Griseofulvin; Dna c. Ketoconazole; A Cell Wall d. Tiucytosine; A Rnicrotubule

Last Answer : d. Tiucytosine; A Rnicrotubule

In animals that do not present the circulatory system the transport of substances occurs by cell to cell diffusion. The blood is a fundamental means of substance transport for larger animals since in these animals there are tissues distant from each other and from the environment thus making diffusion impossible.

Description : In animals that do not present the circulatory system the transport of substances occurs by cell to cell diffusion. The blood is a fundamental means of substance transport for larger animals ... there are tissues distant from each other and from the environment thus making diffusion impossible.

Last Answer : What are the two types of circulatory systems?

What organelles would form a membrane-bound package also known as a vesicle?

Description : What organelles would form a membrane-bound package also known as a vesicle?

Last Answer : Need answer

Following processes can occur across the cell membrane at the same time. a. Osmosis b. Active transport c. Both d. None of them

Description : Following processes can occur across the cell membrane at the same time. a. Osmosis b. Active transport c. Both d. None of them

Last Answer : Both

True statements about EOG (electro-oculogram) include: a. the EOG light-peak to dark-trough ratio is reduced in central retinal vein occlusion b. the light peak of EOG is abnormal in Best's disease c. the EOG light rise is produced by depolarization of the basal membrane of the retinal pigment epithelium d. all above

Description : True statements about EOG (electro-oculogram) include: a. the EOG light-peak to dark-trough ratio is reduced in central retinal vein occlusion b. the light peak of EOG is abnormal in Best' ... rise is produced by depolarization of the basal membrane of the retinal pigment epithelium d. all above

Last Answer : all above

How is facilitated diffusion similar to active transport How is it different?

Description : How is facilitated diffusion similar to active transport How is it different?

Last Answer : Need answer

The absorption of intact protein from the gut in the foetal and newborn animals takes place by (A) Pinocytosis (B) Passive diffusion (C) Simple diffusion (D) Active transport

Description : The absorption of intact protein from the gut in the foetal and newborn animals takes place by (A) Pinocytosis (B) Passive diffusion (C) Simple diffusion (D) Active transport

Last Answer : A

The exchange of material takes place (A) Only by diffusion (B) Only by active transport (C) Only by pinocytosis (D) All of these

Description : The exchange of material takes place (A) Only by diffusion (B) Only by active transport (C) Only by pinocytosis (D) All of these

Last Answer : D

What do facilitated diffusion and active transport have in common ?

Description : What do facilitated diffusion and active transport have in common ?

Last Answer : What are the differences between them? Facilitated diffusion can be confused with active transport because in both processes there is participation of membrane proteins. In active transport however the ... it does not require energy. Cell Membrane Review - Image Diversity: active transport

How active transport is different from Diffusion?

Description : How active transport is different from Diffusion?

Last Answer : In active transport movement of substances and materials take place against the concentration gradient i.e. from lower to higher concentration. While in Diffusion molecules move from higher to lower concentration.  

The primary force moving water molecules from the blood plasma to the interstitial fluid is a. active transport b. cotransport with H+ c. facilitated diffusion d. cotransport with Na+ e. filtration

Description : The primary force moving water molecules from the blood plasma to the interstitial fluid is a. active transport b. cotransport with H+ c. facilitated diffusion d. cotransport with Na+ e. filtration

Last Answer : filtration

Which transmembrane movement involves carriers? a. facilitated diffusion b. active transport c. both d. none of them

Description : Which transmembrane movement involves carriers? a. facilitated diffusion b. active transport c. both d. none of them

Last Answer : both

Glucose is taken back from glomerular filtrate through (a) active transport (b) passive transport (c) osmosis (d) diffusion

Description : Glucose is taken back from glomerular filtrate through (a) active transport (b) passive transport (c) osmosis (d) diffusion

Last Answer : (a) active transport

The exchange of gases in the alveoli of the lungs takes place by (a) passive transport (b) active transport (c) osmosis (d) simple diffusion.

Description : The exchange of gases in the alveoli of the lungs takes place by (a) passive transport (b) active transport (c) osmosis (d) simple diffusion.

Last Answer : d) simple diffusion.

Fructose is absorbed into the blood through mucosa cells of intestine by the process called (a) active transport (b) facilitated transport (c) simple diffusion (d) co-transport mechanism.

Description : Fructose is absorbed into the blood through mucosa cells of intestine by the process called (a) active transport (b) facilitated transport (c) simple diffusion (d) co-transport mechanism.

Last Answer : (b) facilitated transport

The movement of ions against the concentration gradient will be (a) active transport (b) osmosis (c) diffusion (d) all of the above.

Description : The movement of ions against the concentration gradient will be (a) active transport (b) osmosis (c) diffusion (d) all of the above.

Last Answer : (a) active transport

The exchange of material takes place (A) Only by diffusion (B) Only by active transport (C) Only by pinocytosis (D) All of these

Description : The exchange of material takes place (A) Only by diffusion (B) Only by active transport (C) Only by pinocytosis (D) All of these

Last Answer : (D) All of these

Sodium ions are "pumped" from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of (A) Diffusion (B) Passive transport (C) Osmosis (D) Active transport

Description : Sodium ions are "pumped" from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of (A) Diffusion (B) Passive transport (C) Osmosis (D) Active transport

Last Answer : (D) Active transport

The most important chemical process in digestion is: a) diffusion b) active transport c) hydrolysis

Description : The most important chemical process in digestion is: a) diffusion b) active transport c) hydrolysis

Last Answer : ANSWER: C -- HYDROLYSIS

The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Description : The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Last Answer : A. Blood flow through the capillary

The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Description : The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Last Answer : A. Blood flow through the capillary

What is symport ? (a) Counter transport (b) Contransport (c) Carrier mediated diffusion (d) Solvent drug

Description : What is symport ? (a) Counter transport (b) Contransport (c) Carrier mediated diffusion (d) Solvent drug

Last Answer : Ans: B

How does Amoeba engulf the food particle ? -Science

Description : How does Amoeba engulf the food particle ? -Science

Last Answer : Amoeba engulfs the food particles with the help of finger like projections called pseudopodia.

Polymorphonuclear leukocytes (or PMNs) A- can be attracted to the site of an infection following activation of complement B- are derived from bone marrow stem cells C- are a type of phagocyte that can engulf and kill bacteria D- .all of the above

Description : Polymorphonuclear leukocytes (or PMNs) A- can be attracted to the site of an infection following activation of complement B- are derived from bone marrow stem cells C- are a type of phagocyte that can engulf and kill bacteria D- .all of the above

Last Answer : .all of the above

Saprophytic fungi A- engulf their food in order to break it down B- secure their food from dead organic materials C- both (a) and (b) D- none of the above

Description : Saprophytic fungi A- engulf their food in order to break it down B- secure their food from dead organic materials C- both (a) and (b) D- none of the above

Last Answer : secure their food from dead organic materials