A&P I Lecture Quiz 1 Practice
How does negative feedback help maintain homeostasis?
The body increases variations of the responses to stimulus
Response reduces or shuts of the original stimulus
The body ignores fluctuations or changes in response to stimulus
It does not maintain homeostasis
How does positive feedback contribute to physiological processes
By inhibiting responses to stimuli
By maintaining stability through opposing changes
By amplifying the initial stimulus for a greater response
By preventing fluctuations for homeostasis
What is homeostasis?
A condition where the body ignores internal fluctuations
The process of amplifying stimuli for a greater response
The maintenance of relatively stable internal conditions
A state of constant change in the body
Anatomical position is described as the body erect, feet slightly apart, palms facing backward with thumbs pointing toward the body
True
False
The sternal region of the body is _________ to the umbilical region
Lateral
Posterior
Deep
Superior
Proximal
The plane that divides the body into anterior and posterior parts is called the _________.
Sagittarius plane
Frontal plane
Midsagittal plane
Transverse plane
Oblique plane
Tissues are groups of similar ________ that have a common function
Organelles
Organs
Cells
Atoms
Which of the following is/are NOT included in the axial part of the body?
The glutes
The head
The abdomen
The arms
What type of tissue forms tendons?
Dense irregular connective tissue
Elastic cartilage
Dense regular connective tissue
Adipose
Areolar
Which of the following types of epithelial tissue lines the interior of blood vessels?
Transitional epithelium
Simple cuboidal epithelium
Stratified squamous epithelium
Simple squamous mesothelium
Simple squamous endothelium
The basement membrane is located between which of the following tissue types?
Epithelial and connective tissues
Nervous and connective tissues
Muscle and nervous tissues
Connective and muscle tissues
Which of the following is a unicellular gland associated with mucus production?
Chondrocyte
Goblet cell
Fibroblast
Plasma cell
Which of the following epithelial tissue types is best adapted for the rapid transport of materials across its membranes
Transitional
Pseudostratified ciliated columnar
Stratified cuboidal
Simple squamous
Which of the following correctly characterizes epithelial tissue?
It is vascularized.
It has loosely compacted cells.
It has a high rate of regeneration.
It exhibits nonpolarity.
Which of the following tissues lines the majority of the digestive tract, from the stomach to rectum?
Psuedostratified ciliated columnar
Simple columnar
Stratified cuboidal
Simple squamous
Transitional epithelium can be found in which body system?
Urinary
Respiratory
Nervous
Cardiovascular
Which cells secrete the ground substance of cartilage?
Osteoblasts
Fibroblasts
Hematopoietic cells
Chondroblasts
Which of the following types of epithelial tissue provides the greatest amount of protection from rubbing, wear, and tear?
Transitional
Simple squamous
Stratified squamous
Stratified columnar
Which type of muscle is unstriated, unbranded, involuntary, spindle-shaped, and found in the walls of most hollow organs?
Epithelium
Cardiac
Skeletal
Smooth
Which type of membrane transport process uses ATP as a source of energy
Osmosis
Primary active transport
Simple diffusion
Facilitated diffusion
Which of the following molecular components of the lipid bilayer of the plasma membrane possesses a charged polar phosphate "head" and uncharged nonpolar fatty acid "tails"?
Phospholipid
Cholesterol
Glycolipid
Integral protein
Which of the following is the correct sequence for the stages of mitosis
Telophase, anaphase, prophase, metaphase
Prophase, metaphase, anaphase, telophase
Metaphase, anaphase, telophase, prophase
Prophase, anaphase, metaphase, telophase
Which of the following transport mechanisms specifically involves the movement of water?
Filtration
Primary active transport
Osmosis
Secondary active transport
Which of the following statements best describes the fluid mosaic model of the plasma membrane?
A single layer of lipids surrounding a layer of proteins
A single layer of proteins surrounding a single layer of lipids
A protein bilayer sandwiching a layer of lipids
A lipid bilayer with protein molecules dispersed within it
Enzymes __________the rate of a chemical reaction by __________ the activation energy.
Increase; lowering
Decrease; lowering
Decrease; raising
Increase; raising
Match the following cell junctions to their correct functions.
Tight junctions
Prevent molecules from passing through the extracellular space between adjacent cells
Gap Junction
Important for cell communication
Desmosomes
Anchor junctions found in areas subjected to pulling forces
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