Test 5 Flashcards
The cardiovascular system consists of the following except…
The lungs
Exchange of gases and metabolites between the blood and tissues occurs in the ___.
Capillaries
The cells that lack a nucleus and have a relatively short life span are ___.
Erythrocytes
The reptile heart is distinguished from the amphibian heart by the presence of…
A partially divided ventricle
The blood pressure is at its lowest during…
The diastolic period
Respiration involves the movement of gases by the process of ___.
Diffusion
The most efficient lungs are found in which of the terrestrial vertebrates listed below?
Birds
The oxygen content of dry air in the atmosphere is about ___.
21%
The individual functioning unit of a kidney that consists of a system of tubules and associated small blood vessels is called a ___.
Nephron
The diffusion of water across a plasma membrane is referred to as ___.
Osmosis
The homeostatic functions of the kidneys are regulated by two hormones. One of these is antidiuretic hormone, and the other is ___.
Aldosterone
The excretory organs in the insects create an excretory fluid by secreting K+ ions, which draw water osmotically. These organs branch off anterior to the hindgut and are called what?
Malpighian tubules
Each of the following is a part of the kidney except…
The urinary bladder
The kidneys are important homeostatic organs, contributing to the stability of all of the following except ___.
Immunity
Which of the following best describes freshwater fish?
Hyperosmotic regulators
In the ___, a tuft of capillaries in the renal cortex, blood is filtered through the porous capillary walls.
Glomerulus
All of the following are reabsorbed in the neuron except …
Urea
Select the incorrectly matched organism and its nitrogenous waste product.
Insects - ammonia
Which of the following animals could drink seawater and not get dehydrated?
Herring gull
Cardiac output is the volume of blood pumped by each…
Ventricle per minute
A closed circulatory system as opposed to an open circulatory system permits..
Transport of blood which is always enclosed within vessels from front and black to a pump, the heart
The blood cells that have some kind of protective function are all of the following except..
Erythrocytes
The general term that describes the uptake of oxygen from the environment and the disposal of carbon dioxide at the body system level is…
Respiration
The large, irregularly shaped cells that kill bacteria by digesting them are called ___.
Macrophages
The procedure of injecting a harmless microbe in order to confer resistance to a dangerous one is called ___.
Vaccinations
The molecule that provokes a specific immune response is ___.
Antigen
Immunity gained by the transfer of antibodies across the placental barrier is is called ___ immunity.
Passive
Which of the following is not an organ of the immune system?
Thyroid
The only mammals that lay eggs are called ___.
Monotremes
Mammals that retain their young for a long period of development within the mothers uterus are ___.
Placentals
Ovulation occurs by the sudden secretion of…
Luteinizing hormone
Sex determination in many fish and reptiles is dependent on…
Temperature of incubation
Metamorphosis is a feature of ___.
Amphibians
An organism in which internally-fertilized eggs are laid to develop and hatch outside the mothers body is ___.
Oviparous
The embryos of marsupials are…
Born highly underdevelopment
Animals that maintain a relatively constant body temperature independent of the environment are called ___.
Homeotherms
Reproduction in reptiles compares to reproduction in birds in that…
The eggs of both birds and reptiles have protective shells
This process is absent in mammals with an estrous cycle.
Menstruation
Each of the following a part of kidney except..
Urinary bladder
If a friend swallowed food down the wrong tube, the tube would’ve been the ___.
Trachea
Sperm head encloses a compact nucleus and is called by ___.
Acrosome
All male organs except…
Fallopian tubes
Eggs of birds contain fluid filled cavity called ___.
Amnion
Cell-mediated immune response is brought about by ___.
T cells
Histamine and prostaglandins are called what?
Inflammatory agents
Individual functioning unit of a kidney that consists of ___.
Nephron
The fluid that bathes the cells found in tissues is called what?
Interstitial fluid
Which part of the antibody molecule determines its role in the immune system?
Disulfide chains
Where does sperm production occur?
Testes
What would happen if you got the wrong blood type?
Antibodies will attack the donor red blood cells and destroy them
Which statement is not true about the lymphatic system?
Lymph contains the same proteins as found in the blood
Arterioles, arteries, veins, and venules all have the same basic four-layer structure containing all of the following except ..
Pleural membrane
All of the following are functions of the circulatory system except…
Synthesis of red and white blood cells
