Questions with Answers
Glands are derived from - correct answers>>epithelial tissue
Cells joined tightly together are characteristic of - correct answers>>Epithelial tissue
Cells are separated by large extracellular space is in - correct answers>>Connective tissue
Blood vessels and nerves are usually located within - correct answers>>Muscle tissue
Most organs are composed of - correct answers>>Epithelial, muscle, and connective tissues
Sweat is secreted by exocrine glands. This means that - correct answers>>it is secreted into a duct
Which of these statements about homeostasis is true? - correct answers>>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 answers>>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 answers>>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 answers>>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 answers>>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
answers>>multipotent; pluripotent
Which of these statements about atoms is true? - correct answers>>They are electrically neutral
The bond between oxygen and hydrogen and a water molecule is - correct answers>>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 answers>>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.
D) All of these are true - correct answers>>All of these are true
Glucose is - correct answers>>A monosaccharide
Digestion occurs by means of - correct answers>>Hydrolysis
Carbohydrates are stored in the liver and muscles in the form of - correct answers>>Glycogen