PATH 3610 Study Guide - Midterm Guide: Thoracic Cavity, Perfusion, Hypotension

458 views41 pages

lilacfish416

23 Feb 2015

School

Department

Course

Professor

For unlimited access to Study Guides, a Grade+ subscription is required.

Document Summary

Arterial thrombosis is most often the result of: 1 / 1 point endothelial injury stasis of blood flow alterations in the balance of clotting and fibrinolytic mechanisms. Venous obstruction is generally less likely to cause tissue injury than arterial obstruction because: veins are smaller than arteries there is a greater availability of collateral vessels in the venous system venous obstruction develops more slowly. If portions of this thrombus were to break free and embolize, infarcts could occur in the: lung kidney. Formation of the primary hemostatic plug results from: Question 18 hepatic congestion shortness of breath and coughing systemic venous congestion. 1 / 1 point the intrinsic clotting mechanism platelet aggregation the coagulation cascade. 1 / 1 point local secretion of vasoconstrictors reflex neurogenic mechanisms platelet-derived factors. 1 / 1 point a reduction or failure of blood supply to tissues the death of tissues due to inadequate blood supply insufficient oxygenation of tissues due to poor blood supply.

Related Questions

QUESTION 1

Which of the following statements about the bacterial cytoplasmic membrane is false?

	a.	It resists attachment of the bacterial chromosome to its inner surface.
	b.	It contains a protein complex that drives ATP synthesis.
	c.	It is asymmetric.
	d.	It consists of relatively equal amounts of phospholipids and proteins.

1 points

QUESTION 2

Which of the following statements regarding Mycobacteria is false?

	a.	The genome has relatively low Guanine (G) and Cytosine (C) content.
	b.	The cytoplasmic membrane is surrounded by a polymer (peptidoglycan) consisting of alternating N-Acetylglucosamine (NAG) and N-Acetylmuramic (NAM) acid units.
	c.	It infects approximately one-third of the global human population.
	d.	It has a Gram-positive cell wall with an additional waxy lipid layer of mycolic acid.

1 points

QUESTION 3

Which of the following outer membrane porins enables Mycobacteria to adapt to acidic and intracellular environments, and shows homology to outer membrane porin A?

	a.	OmpATb.
	b.	OmpA.
	c.	MspA.
	d.	Lipid A.

1 points

QUESTION 4

Based on your understanding of bacterial membranes, which of the following is not likely to be found in an E. coli outer membrane?

	a.	Membrane-anchored enzymes.
	b.	Mycolic acid.
	c.	Lipopolysaccharide.
	d.	Porin channels.

1 points

QUESTION 5

Based on the conclusions of this paper, which of the following statements would the author most likely disagree with?

	a.	Some archaeon do not contain all of the genes essential for life.
	b.	The membrane structures of prokaryotes show far greater diversity than those of eukaryotes.
	c.	As demonstrated in this definitive report, scientists have a great understanding of the majority of basic functions and evolution of bacterial membranes.
	d.	The outer membrane (and its associated components) of archaea, Gram-negative bacteria, and Gram-positive bacteria likely evolved independently of one another.

1 points

QUESTION 6

Which of the following is not true for Gram-negative, acid-fast, and archaeal membranes?

	a.	They modify their lipid content in response to environmental changes.
	b.	They have co-evolved the same outer membrane composition and structure.
	c.	They all have a cytoplasmic membrane.
	d.	Membrane transport proteins regulate nutrient uptake and waste removal.

1 points

QUESTION 7

Compared to Mycobacteria, Gram-negative bacterium contain:

	a.	More mycolic acid.
	b.	Pores of increased length.
	c.	Less peptidoglycan.
	d.	50-fold-lower numbers of porins.

1 points

QUESTION 8

Archaea are found to survive in strongly acidic lakes compared to bacteria and Eukaryotes. Which of the following supports this claim according to the study?

	a.	The presence of L-glycerol ether linked lipids in Archaea membranes.
	b.	The presence of D-glycerol ether linked lipids in Archaea membranes.
	c.	The presence of L-glycerol ester linked peptidoglycans in Archaea membranes.
	d.	The presence of L-glycerol ester linked lipids in Archaea membranes.

1 points

QUESTION 9

Based on your understanding of the symbiotic relationship between Nanoarchaeum equitans and Ignicoccus, which of the following below is not true?

	a.	The membrane lipids of N. equitans are synthesized by Ignoccocus.
	b.	In exchange for membrane lipids, N. equitans provide Ignicoccus with many essential cytoplasmic enzymes.
	c.	N. equitans lack enzymes capable of catalyzing lipid biosynthesis.
	d.	Intraperiplasmic vesicles produced by Ignicoccus allow for lipid transfer to N. equitans.

1 points

QUESTION 10

What is the role of hydrogen bonds in bacteria, as mentioned in the article?

	a.	They mediate transmembrane electron flow.
	b.	They mediate lipid biosynthesis.
	c.	They help to stabilize the cytoplasmic membrane.
	d.	They are responsible for the selective permeability of the cytoplasmic membrane.

Indicate True (T) or False (F) for each of the followingstatements:Explain why if it is FALSE

(1) Polarizability is a measure of ease of responseofelectrons in an atom or molecule to a

change in electric field.

(2) The boiling point of a liquid is the temperature atwhichthe vapor pressure of the liquid

equals the pressure of the atmosphere above it.

(3) Methanol (CH3OH) is more soluble in water than1-pentanol(CH3CH2CH2CH2CH2OH) because the C5H11 unit attached tothe OHin 1-pentanol is more hydrophilic than the CH3 unit in

methanol.

(4) The ammonia molecules has a tetrahedral shape.

(5) Acetic acid is lower boiling than ethyl alcohol.

(6) Hydrophobic means incompatible with water.

(7) The frequency of a given stretching vibration in anIRspectrum can be related to (1) the

masses of the bonded atoms, and (2) the relative stiffnessofthe bond.

(8) In order for a vibration to occur with the adsorption ofIRenergy, the dipole moment of the

molecule must change as the vibration occurs.

QUESTION 42

Which of the following is not true of viroids???

		all of the above are true ?
		infectious nucleic acid?
		some have catalytic ability ?
		low molecular weight naked RNA ?
		infect plants and the animals that eat them ?

2 points

QUESTION 43

All of the following are true of prions except:?

		They produce âmad cowâ disease.?
		A prion disease in humans resulted from cannibalism.?
		Prions are difficult to inactivate by conventionalchemical/physical means.?
		Prion diseases of animals are not transmissible to humans.?
		They are concentrated in tissues of the central (and enteric)nervous system.?

2 points

QUESTION 44

Which is not true about plasmids ??

		They may carry genes for exotoxins. ?
		All are correct ?
		They may carry genes for conjugation. ?
		They may carry genes for adhesins?
		They are small circular extrachromosomal pieces of double-strandedDNA. ?

2 points

QUESTION 45

Which of the following is false regarding thecyanobacteria? ??

		Produce oxygen and previously called âblue green algae.â ?
		They have a less complete metabolism than spirochetes of syphilis (Treponema pallidum)which canât be grown in vitro.?
		They may form symbiotic associations with fungi called lichens.?
		They are the relatives of chloroplasts. ?
		Nitrogen fixing forms have the simplest nutritional requirements.?

2 points

QUESTION 46

Concerning helminthes, which of the following isfalse? ??

		Taenia solium is the beef tapeworm. ?
		Certain nematodes (Wucheria bancrofti) may produce larvalforms, following injection by a mosquito, that may grow in andblock lymphatics leading to elephantiasis. ?
		The symbol of the medical profession, the Caduceus, may have comefrom the practice of winding Dracunculus medinensis(Guinea worm) on a stick to extract it. ?
		Consumption of the eggs of the pork tapeworm can cause systemicspread to the brain and other organs (cystercercosis). ?
		All of the above are true. ?

2 points

QUESTION 47

Which of the following is not true of Escherichia coli??

		like Gr. B strep, a common cause of neonatal meningitis andsepticemia?
		lactose -?
		coliform and fecal coliform in water testing?
		most common cause of urinary tract infections?
		UPEC cause UTIs?

2 points

QUESTION 48

All of the following are true of mycobacteriaexcept: ??

		produce granulomas in affected tissues. ?
		perhaps 1/3 of the world population is infected with M.tuberculosis. ?
		all of the above are true. ?
		M. bovis is a cause of TB, associated with unpasteurizedmilk. ?
		have high content of lipids and waxes in the wall and thus acidfast ?

2 points

QUESTION 49

Which of the following is not true regarding Salmonella andShigella.?

		There is a capsule and an attenuated living vaccine for typhoidfever.?
		Shigella cause bacillary dysentery.?
		Shigella are H2S + and motile, Salmonella are H2S â andnonmotile.?
		Salmonella Typhi causes typhoid fever with serious systemicspread.?
		Shigella dysenteriae produces the most severe form of shigellosisand may lead to HUS and kidney damage due to production of Shigatoxin.?

2 points

QUESTION 50

Which is not true of Streptococcuspneumoniae? ??

		?
		Otitis media ?
		Main cause of lobar pneumonia ?
		Unconjugated and conjugated capsule vaccines ?
		Beta hemolytic

amethystwater-buffalo366

PATH 3610 Study Guide - Midterm Guide: Thoracic Cavity, Perfusion, Hypotension

Document Summary

Get access

Related Documents

PATH 3610 Lecture 1: Unit 1

PATH 3610 Study Guide - Final Guide: Portal Hypertension, Portal Vein, Coagulation

PATH 3610 Final: The Best 120 Page Final Exam Study Guide

Related Questions