Test 1 Practice Questions Flashcards
What is the function of microvilli?
A) They move substances past the cell membrane
B) They form vesicles inside the cell in preparation for exocytosis
C) They trap particulate on the surface of a cell
D) They increase the surface area of a cell membrane which helps increase the rate of absorption
D) They increase the surface area of a cell membrane which helps increase the rate of absorption.
What determines the arrangement of collagen fibres in dense connective tissue?
A) The number of -blast cells and the substances they secrete into the matrix
B) The direction of the forces acting on the fibres
C) The amount of adipose between the various tissues
D) How extensive the neurological and vascular supply is
B) The direction of the forces acting on the fibres.
T/F - The building blocks of proteins are ribosomal acids.
False - The building blocks of proteins are AMINO acids.
Which energy substrate provides the FASTEST supply of energy?
A) Fats/lipids
B) Carbohydrates
C) Proteins
D) ATP
B) Carbohydrates
If oxygen is not present or being used, what happens to pyruvic acid?
A) It gets broken down and used to make proteins
B) It gets reformed into glycogen and stored for future use
C) It gets converted to lactic acid
D) It goes into the mitochondria
C) It gets converted to lactic acid
What effect does activity have on fascia?
A) It encourages fascia to be more mobile/less adhered
B) It decreases the number of functional fibroblasts
C) It makes the ground substance more viscous
D) It encourages collagen bonding and adhesions
A) It encourages fascia to be more mobile/less adhered
Which of the following statements is correct?
A) A solution is formed when a solute dissolves in a solvent
B) A solvent is formed when a solution dissolves in a solute
C) A solute is formed when a solvent dissolves in a solution
D) A solution is formed when a solvent dissolves in a solute
A) A solution is formed when a solute dissolves in a solvent
Starting at the deepest layer and moving superficially, what is the second layer of the epidermis called?
A) Stratum granulosum
B) Stratum basale/germinativum
C) Stratum spinosum
D) Stratum corneum
C) Stratum spinosum
Which of the following best describes active transport?
A) The process by which a solute is moved against its concentration gradient
B) The process in which a solvent is moved against its concentration gradient
C) The process in which water moves across a selectively permeable membrane but dissolved substances do not
D) The process in which the solute moves down its concentration gradient across a selectively permeable membrane
A) The process by which a solute is moved against its concentration gradient
Which organelle is responsible for giving structure to the cell, helping it to move, and helping to move internal organelles around the cell?
A) Golgi apparatus/body
B) Nucleus
C) Lysosome
D) Cytoskeleton
D) Cytoskeleton
Your patient comes in with localized green/yellow discolouration on their thigh. What does this suggest?
A) Inflammation
B) Jaundice
C) Bruising that is resolving
D) An overconsumption of lemons and/or limes
C) Bruising that is resolving
Which of the following statements about homeostasis is TRUE?
A) Receptors compare sensory information against what is “normal” and initiate changes if needed
B) Mild disruptions to homeostasis typically lead to illness/disease
C) Most homeostatic disruptions are of a mild severity and the return to homeostasis is often quick and goes unnoticed
D) Negative feedback loops function to exaggerate homeostatic disruptions
C) Most homeostatic disruptions are of a mild severity and the return to homeostasis is often quick and goes unnoticed
T/F - The majority of epidermal cells in the skin are keratinocytes.
True
What type of cartilage is found at the ends of bones where synovial joints are formed?
A) Elastic cartilage
B) Osteocartilage
C) Hyaline cartilage
D) Fibrocartilage
C) Hyaline cartilage
What is tensegrity/biotensegrity?
A) The strengthening of the musculoskeletal system through the coordination of tensioned and compressed parts
B) Fascia’s response to wound healing and new growth
C) The capacity of the ground substance to become more fluid when shaken and more solid at rest
D) The increase in structural bonding between collagen fibres
A) The strengthening of the musculoskeletal system through the coordination of tensioned and compressed parts