PSL 250 EXAM QUESTIONS WITH VERIFIED ANSWERS LATEST
UPDATE 2026
Physiology is the study of BLANK of the body parts - Answers function
The study of structure and form is called - Answers anatomy
Scientists who study the structure and form of organisms are called - Answers
antomists
Scientists who examine how organs and body systems function under normal
circumstances, as well as how their functions may change with disease, are called -
Answers physiologists
Which plane divides the body into superior and inferior portions - Answers
transverse plane
Which system secretes hormones to regulate growth and chemical levels in the blood
- Answers endocrine system
moves blood containing hormones, nutrients, and gases - Answers cardiovascular
system
participates in the immune response - Answers lymphatic system
responsible for the exchange of gases - Answers respiratory system
filters and removes waste from the blood - Answers urinary system
Which plane divides the body into left and right portions - Answers sagittal plane
What is the name of the atom that has donated an electron - Answers cation
A substance that releases hydrogen ions in water is called an - Answers acid
The cation that hardens teeth is the BLANK ion - Answers calcium
The pH of a neutral substance is - Answers 7
ions with a positive charge are called - Answers cations
Acids are also called - Answers proton donors
A substance that helps to prevent pH changes is called a - Answers buffer
nucleotides and amino acids are - Answers monomers
Steroids are made out of how many attached carbon rings - Answers 4
lactose and sucrose are examples of - Answers disaccharides
enzyme - Answers catalyze a chemical reaction
hemoglobin - Answers transport in the blood
cytoskeleton - Answers structural support
UPDATE 2026
Physiology is the study of BLANK of the body parts - Answers function
The study of structure and form is called - Answers anatomy
Scientists who study the structure and form of organisms are called - Answers
antomists
Scientists who examine how organs and body systems function under normal
circumstances, as well as how their functions may change with disease, are called -
Answers physiologists
Which plane divides the body into superior and inferior portions - Answers
transverse plane
Which system secretes hormones to regulate growth and chemical levels in the blood
- Answers endocrine system
moves blood containing hormones, nutrients, and gases - Answers cardiovascular
system
participates in the immune response - Answers lymphatic system
responsible for the exchange of gases - Answers respiratory system
filters and removes waste from the blood - Answers urinary system
Which plane divides the body into left and right portions - Answers sagittal plane
What is the name of the atom that has donated an electron - Answers cation
A substance that releases hydrogen ions in water is called an - Answers acid
The cation that hardens teeth is the BLANK ion - Answers calcium
The pH of a neutral substance is - Answers 7
ions with a positive charge are called - Answers cations
Acids are also called - Answers proton donors
A substance that helps to prevent pH changes is called a - Answers buffer
nucleotides and amino acids are - Answers monomers
Steroids are made out of how many attached carbon rings - Answers 4
lactose and sucrose are examples of - Answers disaccharides
enzyme - Answers catalyze a chemical reaction
hemoglobin - Answers transport in the blood
cytoskeleton - Answers structural support
