Fox Test Bank Containing Questions and
Well Verified Answers
Glands are derived from - Correct Answer--epithelial tissue
Cells joined tightly together are characteristic of - Correct Answer--Epithelial tissue
Cells are separated by large extracellular space is in - Correct Answer--Connective tissue
Blood vessels and nerves are usually located within - Correct Answer--Muscle tissue
Most organs are composed of - Correct Answer--Epithelial, muscle, and connective tissues
Sweat is secreted by exocrine glands. This means that - Correct Answer--it is secreted into a duct
Which of these statements about homeostasis is true? - Correct Answer--Negative feedback
mechanisms act to correct deviations from a normal range within the internal environment
In a negative feedback loop, the effector produces changes that are - Correct Answer--Opposite
indirection to the change produced by the initial stimulus
A hormone called parathyroid hormone tasked to help raise the blood calcium concentration.
According to the principles of negative feedback, and effective stimulus for parathyroid
hormone secretion would be - Correct Answer--A fall in blood calcium
Which of these consists of dense parallel arrangements of collagen fibers?
A) skeletal muscle tissue
B) nerve tissue
, C) tendons
D) dermis of the skin - Correct Answer--Tendons
The act of breathing raises the blood oxygen level, lowers the blood carbon dioxide
concentration, and raises blood pH. According to the principles of negative feedback, sensors
that regulate breathing should respond to - Correct Answer--A rise in blood carbon dioxide
concentration
Adult stem cells, such as those in the bone marrow, brain, or hair follicles can best be described
as ____________, whereas embryonic stem cells are described as ____________. - Correct
Answer--multipotent; pluripotent
Which of these statements about atoms is true? - Correct Answer--They are electrically neutral
The bond between oxygen and hydrogen and a water molecule is - Correct Answer--A polar
covalent bond
Which of these is a non-polar covalent bond?
A) A bond between two carbons
B) A bond between sodium and chloride
C) A bond between two water molecules
D) A bond between nitrogen and hydrogen - Correct Answer--A bond between two carbons
Solution A has a pH of 2, and solution B has a pH of 10. Which of these statements about these
solutions is true?
A) solution A has a higher hydrogen concentration than solution B.
B) Solution B is Basic.
C) Solution A is Acidic.