Exam 40: Introduction to Animal Form and Function

Which of the following tissue types is characterized by having cells suspended within an extracellular matrix consisting of a mixture of fibrous proteins and carbohydrates?

A simplified form of the Fick diffusion equation is J = DA (C₁-C₂) where J is the rate of diffusion, D is a constant, A is the area across which diffusion is occurring, and C₁ and C₂ are the concentrations of the substance on either side of the membrane. Given this, which of the following would INCREASE the rate of diffusion of a solute?

In osmosis

Positive feedback loops are more common than negative feedback loops in animal physiological function.

The heating and cooling system in your house or apartment can be thought of as a homeostatic system. You set the thermostat to 70 degrees Fahrenheit, and the air conditioner turns on and starts cooling the room. The air conditioner can be thought of as the _____ of the system.

If an animal has a concentration of one substance in its body identical to the concentration of that substance in the environment, this will also be the case with all other substances (i.e., if it conforms with one substance, it will conform with all substances).

Homeotic genes

The direction of water movement across a cell membrane is determined in part by

Which of the following tissue types are attached to a basal lamina or basement membrane?

A dog that is conditioned to salivate in response to a stimulus associated with food will salivate in response to that stimulus even after the food is removed.

The release of factors by cells that influence the activity of nearby cells is referred to as

An organ can consist of a single type of tissue.

Which of the following is true of both neurotransmitters and hormones?

Which of the following is NOT a function of the integumentary system?

The heating and cooling system in your house or apartment can be thought of as a homeostatic system. When you turn the thermostat dial to 70 degrees Fahrenheit, this can be thought of as the _____ of the system.

Solutes move between body compartments by using

In the blood clotting process, platelets arrive at the site of damage and start secreting substances to attract more platelets. More platelets arrive at the site and secrete attractants to recruit more platelets. This is an example of

In which of the following locations would you find skeletal muscle?

The concept of homeostasis originated with

Most of the water found in the body is in the intracellular fluid compartment.