BIO 100 Exam 3 ACTUAL UPDATED Exam Questions and CORRECT Answers

BIO 100 Exam 3 ACTUAL UPDATED
Exam Questions and CORRECT Answers
Homeostasis is an organism's ability to _______. - CORRECT ANSWER - maintain a
constant internal environment


Lizards don't maintain their body temperature with internal heat. Rather, they bask in the sun to
get warm. This is an example of _______. - CORRECT ANSWER - ectothermy


When faced with a sudden drop in environmental temperature, an endothermic animal will
________. - CORRECT ANSWER - constrict blood vessels and work to maintain heat
within the core of the body


Which of the following is most likely to be responsible for lowering your blood sugar after it
rises above normal? - CORRECT ANSWER - A homeostatic mechanism based on
negative feedback.


Which of the following is not a type of tissue? - CORRECT ANSWER - a. Muscle


b. Nervous


c. Embryonic *


d. Epithelial


What type of tissue is adipose tissue? - CORRECT ANSWER - a. Muscle


b. Connective *


c. Epithelial

, d. Nervous


What tissue type is characterized as being excitable and capable of sending and receiving
electrochemical signals that provide the body with information? - CORRECT ANSWER -
a. Muscle


b. Epithelial


c. Connective


d. Nervous *


Striations, cylindrical cells, and multiple nuclei are observed in ________. - CORRECT
ANSWER - skeletal muscle only


The nerve impulse travels down a(n) ________, away from the cell body. - CORRECT
ANSWER - axon



Which of these processes occurs in the mouth? - CORRECT ANSWER - a. Ingestion


b. Mechanical digestion


c. Chemical digestion


d. All of the above *


Which of these organs is not considered an accessory digestive structure? - CORRECT
ANSWER - Mouth