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Questions 61-63 are based on the following information. The following equation is an epidemiological model for diseases such as measles or flu describing the factors that are expected to affect disease spread rate (R.) in a population: Ro = BS/Y B = the infection rate (describes how infectious a disease is); y = the recovery rate (describes how fast can an infected person recover); S = Population density of susceptibles (suscptibles are individuals without immunity to the specific pathogen) 61. What type of a model is this? Verbal a. b. Mathematical c. Statistical d. Simulation 62. According to this model, what is the effect of Population density of susceptibles on disease spread rate? a. Disease spread rate increases with increasing density b. Disease spread rate decreases with increasing density C. Disease spread rate is not affected by increasing density d. Impossible to know 63. According to this model what is the effect of host recovery rate on disease spread rate? a. Disease spread rate increases with increasing recovery rate b. Disease spread rate decreases with increasing recovery rate C. Disease spread rate is not affected by increasing recovery rate d. Impossible to know

Questions 61-63 are based on the following information. The following equation is an epidemiological model for diseases such as measles or flu describing the factors that are expected to affect disease spread rate (R.) in a population: Ro = BS/Y B = the infection rate (describes how infectious a disease is); y = the recovery rate (describes how fast can an infected person recover); S = Population density of susceptibles (suscptibles are individuals without immunity to the specific pathogen) 61. What type of a model is this? Verbal a. b. Mathematical c. Statistical d. Simulation 62. According to this model, what is the effect of Population density of susceptibles on disease spread rate? a. Disease spread rate increases with increasing density b. Disease spread rate decreases with increasing density C. Disease spread rate is not affected by increasing density d. Impossible to know 63. According to this model what is the effect of host recovery rate on disease spread rate? a. Disease spread rate increases with increasing recovery rate b. Disease spread rate decreases with increasing recovery rate C. Disease spread rate is not affected by increasing recovery rate d. Impossible to know

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Questions 61 - 63 are based on the following information. The following equation is an epidemiological model for diseases such as measles or flu describing the factors that are expected to affect disease spread rate (R.) in a population: Ro = BS/y B = the infection rate (describes how infectious a disease is); y = the recovery rate (describes how fast can an infected person recover); S = Population density of susceptibles (suscptibles are individuals without immunity to the specific pathogen) 61. What type of a model is this? a. Verbal b. Mathematical C. Statistical d. Simulation 62. According to this model, what is the effect of Population density of susceptibles on disease spread rate? Disease spread rate increases with increasing density Disease spread rate decreases with increasing density Disease spread rate is not affected by increasing density Impossible to know а. b. c. d. 63. According to this model what is the effect of host recovery rate on disease spread rate? Disease spread rate increases with increasing recovery rate Disease spread rate decreases with increasing recovery rate Disease spread rate is not affected by increasing recovery rate Impossible to know a. b. C. d. 64. Similarity in animal appearance of marsupial and placental mammals occupying similar ecological niches in Australia and Eurasia represents an example of: Homology Adaptive radiation Convergent evolution 65. Wing of a bird and butterfly are classic examples of a. b. C. Homology Analogy а. b. Five planets (A, B, C, D, E) similar to Earth differ in the tilt of their axis. Their tilt is: 0, 5, 15, 30, 45 degrees, respectively 66. Which planet has no seasonality a. A b. В с. C d. D е. Е 67. Which planet has the largest seasonal difference in climate and day length а. A b. с. d. D e. E 68. In what direction does our planet Earth rotates Counter-clockwise (west-to-east) Clockwise (east-to-west) Earth is flat, it does rotate d. а. b. с. Earth is bagel-shaped, it does rotate 69. Earth rotation affects all the following except a. Wind direction b. Sea current direction The existence of day and night cycle Seasonality C. d. е. The Coriolis Force 70. A bimodal beak size distribution can be driven by what kind of selection Histogram of components of the initial data x(0) 60 3500 4000 4500 5000 5500 a. Directional selection Stabilizing selection Disruptive selection b. с.
Transcribed Image Text:Questions 61 - 63 are based on the following information. The following equation is an epidemiological model for diseases such as measles or flu describing the factors that are expected to affect disease spread rate (R.) in a population: Ro = BS/y B = the infection rate (describes how infectious a disease is); y = the recovery rate (describes how fast can an infected person recover); S = Population density of susceptibles (suscptibles are individuals without immunity to the specific pathogen) 61. What type of a model is this? a. Verbal b. Mathematical C. Statistical d. Simulation 62. According to this model, what is the effect of Population density of susceptibles on disease spread rate? Disease spread rate increases with increasing density Disease spread rate decreases with increasing density Disease spread rate is not affected by increasing density Impossible to know а. b. c. d. 63. According to this model what is the effect of host recovery rate on disease spread rate? Disease spread rate increases with increasing recovery rate Disease spread rate decreases with increasing recovery rate Disease spread rate is not affected by increasing recovery rate Impossible to know a. b. C. d. 64. Similarity in animal appearance of marsupial and placental mammals occupying similar ecological niches in Australia and Eurasia represents an example of: Homology Adaptive radiation Convergent evolution 65. Wing of a bird and butterfly are classic examples of a. b. C. Homology Analogy а. b. Five planets (A, B, C, D, E) similar to Earth differ in the tilt of their axis. Their tilt is: 0, 5, 15, 30, 45 degrees, respectively 66. Which planet has no seasonality a. A b. В с. C d. D е. Е 67. Which planet has the largest seasonal difference in climate and day length а. A b. с. d. D e. E 68. In what direction does our planet Earth rotates Counter-clockwise (west-to-east) Clockwise (east-to-west) Earth is flat, it does rotate d. а. b. с. Earth is bagel-shaped, it does rotate 69. Earth rotation affects all the following except a. Wind direction b. Sea current direction The existence of day and night cycle Seasonality C. d. е. The Coriolis Force 70. A bimodal beak size distribution can be driven by what kind of selection Histogram of components of the initial data x(0) 60 3500 4000 4500 5000 5500 a. Directional selection Stabilizing selection Disruptive selection b. с.
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