Exam1 Flashcards
a person facing forward w/hands at the sides & palms facing forward is in the..?
anatomical position
The wrist is _____ to the elbow?
distal
The chin is _____ to the nose?
inferior
which of the following is arranged in correct order from the most COMPLEX to the SIMPLEST?
organism, system, organ, tissue, cellular, molecular.
The maintenance of a constant internal environment in an organism is termed?
homeostasis
When body temp rises, a center in the brain initiates physiological changes to decrease the body temp. This is and example of?
negative feedback
The muscle known as the diaphragm separates the ____ from the ____?
thoracic cavity; abdominal pelvic cavity.
If a response increases a disturbance, the system is classified as a _____ feedback system.
positive
visceral pericardium is located..?
on the heart itself
While standing in anatomical position…
- front refers to anterior
- back refers to dorsal
- front refers to ventral
- back refers to posterior
An amino acid is to a protein as ___ is to a nucleic acid.
nucleotide
The most abundant high energy compound in the cell is?
adenosine triphosphate (atp)
Hydrophilic molecules readily associate with…?
water molecules
Carbohydrates, Lipids, and proteins are classified as?
organic molecules
which had the highest concentration of hydroxide ions?
Ph14
By weight which element is the most plentiful in the human body?
oxygen
what is the smallest living unit in the body?
the cell
Most of the cells DNA is located in its?
nucleus
The process of forming mRNA is called?
transcription
A blood cell shrinks when it is place in an ______ solution.
HYPERtonic
Two types of vesicular transport include?
endocytosis & exocytosis
mitosis is to somatic cells as meiosis is to ____?
reproductive cells
the mRNA sequence that is complementary to the sequence ATC on DNA is?
UAG
