human phys thought questions and quiz

Sodium has an atomic mass of 23. How many protons: Electrons does a sodium atom have?

• 11 p+, 12 n, 11 e-

• • 11 p+, 12 n, 11 e-

• • 12 p+, 11 n, 11 e-

• • 11 p+, 11 n, 12 e-

What is the organelle responsible for making the majority of the ATP in the cell?

• Golgi apparatus

• Mitochondria

• Rough Endoplasmic reticulum

• Lysosome

The component of the negative feedback loop that provides the means for the control centers response (output) is called the ________.

• • Stimulus

• Effector

• Receptor

• Integration center

What is an example of a topic within physiology?

• Neuron function

• Blood Circulation

•  Cell membrane function

• • All of the above are topics of physiology 

in a basic solution, which of the following would be true?

• High pH; high concentration of H+

• High pH; low concentration of H+

•  Low pH; high concentration of H+

• Low pH; low concentration of H+

What is the DNA segment that carries information for building one protein or polypeptide chain called?

• Codon

• Anticodon

• Amino acid

• Gene

What is the period of the cell cycle when the cell grows and performs its metabolic activities?

• Mitosis

• Interphase

• Cytokinesis

• Anaphase

The majority of water within the body is found in the

•  Intracellular compartment

• Extracellular compartment

• Blood plasma

• Interstitial fluid

The movement of substances through the cell membrane against their concentration gradient is a type of _______ process.

• Active

• Passive

• Diffusion

• Filtration

True or false: The charge difference across a membrane produces the membrane potential

• True

• False