Bio Exam 4 *
_____ Defenses are always at the ready and are the same whether a particular infectious agent has been encountered before or not.
External
What is the role of the epithelium?
Helps protect the body from the external environment
____is the regulated balance of the internal environment of an organism.
Homeostasis
adaptive immunity
describes a set of defenses that is customized to each infectious agent, providing a stronger response when an agent has been encountered before.
Phagocytosis
describes the process of engulfing and destroying foreign particles.
compact, complex animals have specialized internal __ that provide a large surface area
exchange surface
What is the name of the response to an injury in which fluids leak from dilated blood vessels, causing redness and swelling?
inflammatory response
From which part of a developing embryo are stem cells derived?
inner cell mass
The protective covering of the body is called the
integumentary system
Leukocytes, also called ______, function in fighting infections.
white blood cells
What are lymphocytes?
white blood cells
list the sequence of stages in embryonic development in the correct order?
zygote, blastocyst, gastrula
Type 1 diabetes
-no insulin is produced -insulin-dependent diabetes -require strict monitoring of blood glucose levels and regular injections of insulin
type 2 diabetes
-target cells do not respond normally to insulin -non-insulin-dependent diabetes -usually associated with obesity and can often be controlled by exercise, diet, and meds.
What blood type is the universal recipient?
AB
From which structures do oxygen molecule's move from the lungs to the blood?
Alveoli
What is MRSA?
An antibiotic-resistant bacterium
Which of the following forms of contraception is removable?
An intrauterine device
Blood Type A is not compatible with blood type_______
B
Which type of white blood cells produces defensive proteins called antibodies?
B cells
A(n)____ Is a group of tissues working together
Organ
What is the role of the epiglottis?
Prevents food from entering the windpipe
A group of cells working together is a(n)
Tissue
the complement system is____
a set of proteins that circulate in the blood, stimulating other defenses to help destroy an invader.
The main role of the large intestine is to
absorb water
What is the specific site of gas exchange in the respiratory system?
alveoli
Form refers to
anatomical structure
Asthma causes constriction of the tiny air passages in the lungs, otherwise known as the
bronchioles
The completion of meiosis II during oogenesis occurs at ___
feralization
In both type 1 and type 2 diabetes___
glucose levels remain higher than normal
Within each red blood cell, the molecule ______ is a protein that binds oxygen.
hemoglobin
Hemoglobin
is a protein that can bind four molecules of oxygen.
The urethra _______
is a tube that conveys both urine and semen
what is a characteristic of smooth muscle
is controlled by involuntary nervous signals
After blood becomes oxygenated______
it returns to the heart, and is then pumped to body cells.
what is NOT part of your innate immune system?
lymphocytes
Which of the following options correctly lists the sequence of structures that air passes through during breathing after it enters the mouth and nose?
pharynx, larynx, trachea, bronchi, bronchioles, alveoli
Function refers to
physiological actions
The liquid portion of your blood is called
plasma
____are cell fragments involved in the process of blood clotting.
platelets
Which of the following describe the integumentary system?
skin, nails, hair
Hypothetically speaking, if a diploid sperm fertilized a diploid ovum, the zygote would be?
tetraploid
During inhalation
the diaphragm and rib muscles contract.
The thyroid gland plays a major role in the regulation of
the metabolism
Blood type B is not compatible with blood type_____
A
Definition of pathogens
Disease-causing microorganisms
Which of the following structure of the male reproductive anatomy stores sperm?
Epididymis
On what day does ovulation occur during the female reproductive cycle?
day 14
What is the main role of T cells in the immune response?
to stimulate the production of immune cells
What blood type is the universal donor?
Type O
What is the difference between vitamins and minerals?
What is the difference between vitamins and minerals?
When a B cell binds to a virus or other pathogen, it
becomes activated, divides rapidly, and thereby mounts a specialized response against the pathogen.
This substance is stored in the gall bladder and released to aid in the digestion of fat.
bile
What type of animal tissue contains blood, cartilage, and bone?
connective
what is not categorized as connective tissue
muscle
Most of the control mechanisms that maintain an internal steady-state are based on_____in which a change in a variable triggers mechanisms that reverse that change.
negative feedback
A(n)______is made up of many organ systems functioning together
organisms
What are gonads?
organs that produce gametes
lists cell types in the correct order of their appearance during spermatogenesis?
primary spermatocyte, secondary spermatocyte, spermatid, sperm
The main role of the liver is to
produce bile, which helps the process of digestion
Erythrocytes, also called_____are packed with hemoglobin and transport oxygen to body tissues.
red blood cells
What is the main role of kidneys?
to filter blood and remove harmful toxins