Prince George Community College » Biology » Bio 2050 - Anatomy and Physiology » Fall 2020

Question #1

This component of a feedback loop senses changes in the body:

A. Respirator

B. Locomotor

C. Receptor

D. Inceptor

Question #2

Essential characteristics of life do not include:

A. respiration

B. reproduction

C. organization

D. metabolism

Question #3

This is an example of positive feedback:

A. none of these

B. pH levels of urine vary from 5.2 to 7.8 throughout the day

C. body temperature fluctuates between 99.1 and 98.0

D. Giving birth

Question #4

This level of organization consists of groups of similar looking cells with its surrounding material working together to perform a function:

A. tissue

B. organ

C. cellular

D. chemical

Question #5

This organ system removes waste products from the blood, regulates pH and water balance:

A. integumentary

B. lymphatic

C. endocrine

D. urinary

Question #6

Responsiveness is the ability of an organism to sense a change in its environment and react to it.

A. TRUE

B. FALSE