Chapter 49 quiz Life Science of Biology

History for 'Summative Quiz for Chapter 49'
Item:
Summative Quiz for Chapter 49
Score:
100% (Modified)

Due:
Monday, May 04, 2015 11:59 PM
Submitted:
Friday, March 06, 2015 2:26 PM
Answers:

1.
The primary respiratory gases are _______ and _______.

nitrogen; carbon dioxide

nitrogen; helium

oxygen; nitrogen.

oxygen; carbon dioxide

Correct

nitrogen; hydrogen
See Section 49.1: What Physical Factors Govern Respiratory Gas Exchange?

Score: 1 of 1

2.
Which of the following best explains the limiting effects of water in oxygen exchange?

Low diffusion rate and high oxygen content at high water temperatures

Low diffusion rate and low oxygen content at high water temperatures

Correct

High diffusion rate and low oxygen content at low water temperatures

High diffusion rate and high oxygen content at high water temperatures

Low diffusion rate and low oxygen content at low water temperatures
See Section 49.1: What Physical Factors Govern Respiratory Gas Exchange?

Score: 1 of 1

3.
Respiratory gases are exchanged between the body fluids of an animal and its environment by

passive transport.

diffusion.

Correct

active transport.

osmosis.

pinocytosis.
See Section 49.1: What Physical Factors Govern Respiratory Gas Exchange?

Score: 1 of 1

4.
Which of the following is not an adaptation for respiratory gas exchange?

Mechanisms to adjust the temperature of the medium to increase diffusion

Maximized partial pressure gradients

Minimized diffusion path length through an aqueous medium

Increased surface area over which diffusion of gases can occur

Incorrect

Countercurrent flow
See Section 49.2: What Adaptations Maximize Respiratory Gas Exchange?

Score: 0 of 1

5.
_______ have large gas exchange surface areas that are ventilated with water continuously and unidirectionally internally.

Insects

Amphibians

Fish

Correct

Birds

Mammals
See Section 49.2: What Adaptations Maximize