BIO 109 A&P Exam 1 Questions &
Correct and Verified Answers.Latest
update2025/2026 Graded A+, Exams of
Nursing
What is Systemic anatomy? - CORRECT ANSWERS study of the body by organ systems
What is Regional Anatomy? - CORRECT ANSWERS study of the body by areas
What is Surface Anatomy? - CORRECT ANSWERS study of external features
Organization of an organism - CORRECT ANSWERS Atoms
Molecules
organelles
Cell
Tissue
Organ
organ System
Organism
What is homeostasis? - CORRECT ANSWERS existence and maintence of a relatively constant
environment within the body
What is a Negative-feedback mechanism? - CORRECT ANSWERS deviations from the set point
are resisted and made smaller
, What are the components of a negative feedback mechanism? - CORRECT ANSWERS
Receptors - ex. Carotid baroreceptors
Control center: in brain; compares values to set point
Effector - ex. The heart
Example of Negative feedback mechanism - CORRECT ANSWERS Blood Pressure
What is a Positive feedback mechanism? - CORRECT ANSWERS increase the deviation from the
normal value
What is an example of positive feedback mechanism? - CORRECT ANSWERS Worsening of
blood pressure drop due to severe blood loss
What is the structure of an Atom? - CORRECT ANSWERS consist of a nucleus (nucleus contains
protons and neutrons)surrounded by electrons
What is an ionic bond? - CORRECT ANSWERS electrons are lost or gained
What is a covalent bond? - CORRECT ANSWERS covalent bonds occur when electrons are
shared
What is a nonpolar covalent bond? - CORRECT ANSWERS the electrons are equally shared
What is a polar covalent bond? - CORRECT ANSWERS the electrons are not equally shared
What is a hydrogen bond? - CORRECT ANSWERS Since water molecules have polar bonds, one
part of the molecule tends to have a positive charge, and the other part tends to have a negative charge
Correct and Verified Answers.Latest
update2025/2026 Graded A+, Exams of
Nursing
What is Systemic anatomy? - CORRECT ANSWERS study of the body by organ systems
What is Regional Anatomy? - CORRECT ANSWERS study of the body by areas
What is Surface Anatomy? - CORRECT ANSWERS study of external features
Organization of an organism - CORRECT ANSWERS Atoms
Molecules
organelles
Cell
Tissue
Organ
organ System
Organism
What is homeostasis? - CORRECT ANSWERS existence and maintence of a relatively constant
environment within the body
What is a Negative-feedback mechanism? - CORRECT ANSWERS deviations from the set point
are resisted and made smaller
, What are the components of a negative feedback mechanism? - CORRECT ANSWERS
Receptors - ex. Carotid baroreceptors
Control center: in brain; compares values to set point
Effector - ex. The heart
Example of Negative feedback mechanism - CORRECT ANSWERS Blood Pressure
What is a Positive feedback mechanism? - CORRECT ANSWERS increase the deviation from the
normal value
What is an example of positive feedback mechanism? - CORRECT ANSWERS Worsening of
blood pressure drop due to severe blood loss
What is the structure of an Atom? - CORRECT ANSWERS consist of a nucleus (nucleus contains
protons and neutrons)surrounded by electrons
What is an ionic bond? - CORRECT ANSWERS electrons are lost or gained
What is a covalent bond? - CORRECT ANSWERS covalent bonds occur when electrons are
shared
What is a nonpolar covalent bond? - CORRECT ANSWERS the electrons are equally shared
What is a polar covalent bond? - CORRECT ANSWERS the electrons are not equally shared
What is a hydrogen bond? - CORRECT ANSWERS Since water molecules have polar bonds, one
part of the molecule tends to have a positive charge, and the other part tends to have a negative charge
