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Anatomy 102-Practice Test 2

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Which of the following is correct concerning the location of the kidneys?
a.The right kidney is usually higher than the left one.
b.Their upper borders are about at the level of the third lumbar vertebra.
c.They are located behind the peritoneum.
d.They are located against the anterior wall of the abdominal cavity.
c.They are located behind the peritoneum.
A renal corpuscle includes the
a.glomerulus and renal tubule
b.renal tubule and collecting tubule
c.glomerulus and Bowman's capsule
d.Bowman's capsule and renal tubule
c.glomerulus and Bowman's capsule
Which of the following indicates the parts of a renal tubule in the correct sequence from beginning to end?
a.distal convoluted tubule, ascending limb of the loop of Henle, descending limb of the loop of Henle, proximal convoluted tubule
b.proximal convoluted tubule, ascending limb of the loop of Henle, descending limb of the loop of Henle, distal convoluted tubule
c.proximal convoluted tubule, descending limb of the loop of Henle, ascending limb of the loop of Henle, distal convoluted tubule
c.proximal convoluted tubule, descending limb of the loop of Henle, ascending limb of the loop of Henle, distal convoluted tubule
If the arteriole that supplies blood to the glomerulus becomes constricted,
a.blood flow into the efferent arteriole increases
b.hydrostatic pressure in the glomerulus increases
c.the protein concentration of the filtrate increases
d.the glomerular filtration rate decreases
d.the glomerular filtration rate decreases
The reabsorption of glucose occurs primarily through the
a.loop of Henle
b.Bowman's capsule
c.proximal convoluted tubule
d.distal convoluted tubule
c.proximal convoluted tubule
The hormone ADH functions to promote water reabsorption through the wall(s) of the
a.ascending limb of the loop of Henle
b.descending limb of the loop of Henle
c.distal convoluted tubule and collecting duct
d.proximal convoluted tubule and collecting duct
c.distal convoluted tubule and collecting duct
Which of the following would increase the rate of glomerular filtration?
a.increased blood pressure
b.a dilated efferent arteriole
c.decreased blood pressure
d.a constricted afferent arteriole
a.increased blood pressure
Which of the following is not considered a function of the kidneys?
a.the regulation of body fluid concentration
b.the formation of plasma proteins
c.the regulation of body fluid volume
d . the removal of waste products from the body
b.the formation of plasma proteins
The urethra transports urine from the kidney to the urinary bladder.
False
The efferent arteriole supplies blood to the capillary of the glomerulus.
False
If the osmotic pressure of the blood plasma is decreased, the glomerular filtrate rate is increased.
True
When the concentration of water in body fluids increases, the secretion of ADH increases.
False
Water reabsorption occurs throughout the length of the renal tubule by the process of osmosis.
True
ADH is produced by cells within the hypothalamus.
True
The juxtaglomerular apparatus consists of the juxtaglomerular cells and the cells of the macula densa.
True
The triangular area on the internal floor of the urinary bladder with an opening at each of its angles is called the trigone.
True
The bundles of interlaced muscular fibers in the wall of the urinary bladder comprise the detrusor muscle.
True
1. renal sinus
2. renal cortex
3. vasa recta
4. renal pyramid
5. renal papilla

a. specialized capillary loops
b. outer tissue of the kidney
c. conical mass of tissue within the renal medulla
d. hollow chamber within the kidney
e. elevation that projects into the renal sinus
1. renal sinus d.
2. renal cortex b.
3. vasa recta a.
4. renal pyramid c.
5. renal papilla e.
1. external urethral sphincter
2. detrusor muscle
3. external urethral orifice
4. mucous coat
5. serous coat

a. composed of voluntary muscle
b. inner lining of the ureter
c. outer layer of the urinary bladder
d. composed of smooth muscle
e. located at the tip of the penis
1. external urethral sphincter a.
2. detrusor muscle d.
3. external urethral orifice e.
4. mucous coat b.
5. serous coat c.
In a healthy body the quantity of water within the body remains relatively stable at all times.
True
Any factor that alters water balance will also alter electrolyte balance.
True
The hormone ADH is released from the anterior lobe of the pituitary gland.
False
Parathyroid hormone increases phosphate reabsorption from the renal tubules.
False
The kidneys help to regulate the hydrogen ion concentration of body fluids by altering the rate at which hydrogen ions are secreted.
True
The intracellular fluid compartment includes all water and electrolytes enclosed by cell membrane.
True
The primary regulator of water intake is the mechanism of thirst.
True
The primary mechanism that regulates the concentration of sodium ions in extracellular fluid involves a hormone secreted by the adrenal cortex.
True
The concentration of calcium ions in extracellular fluid is regulated primarily by a hormone secreted by the thymus gland.
False
Lymphatic capillaries are thin-walled, closed-ended tubes.
True
The movement of 1ymph through lymphatic vessels is caused large1y by muscular activities.
True
Lymph is tissue fluid that has entered a lymphatic capillary.
True
Edema is the condition caused by an accumulation of tissue fluid in the interstitial spaces.
True
Lymph nodes serve as centers for the production of neutrophyls which act against foreign particles carried in lymph.
False
The peritoneal cavity is the potential space between the parietal and visceral pericardial membranes.
False
When the left ventricle contracts, blood passes into the left atrium .
False
Blood is supplied to the myocardium by means of the coronary arteries.
True
The b1ood vessels whose walls are thin enough to allow the exchange of gases between the blood and tissue fluid are veins .
False
Excessive tissue fluid is returned to the venous circulation by means of lymphatic capillaries .
True
The descending aorta divides near the brim of the pelvis to form the right and left common iliac arteries .
True
Strong elastic blood vessels that carry blood away from the heart are called arteries .
True
The pressure that remains in the systemic arterial system during ventricular relaxation is called diastolic pressure.
True
The great saphenous vein is the longest vein in the body.
True
Cardiac output is calculated by multiplying the stroke volume by the systolic blood pressure.
False
The aorta is the largest artery within the pulmonary circuit.
False
The coronary sinus drains blood from the wall of the heart into the left atrium.
False
The distribution of blood in capillary pathways is largely controlled by the action of precapillary sphincters .
True
In an adult, red blood cells are produced primarily in the liver.
False
Vitamin B12 is important for the production of red blood cells because it is utilized in the synthesis of intrinsic factor.
False
An abnormally low white blood cell count is called leukocytosis.
False
Persons with type AB blood are sometimes called universal donors.
False
The most abundant type of plasma protein is albumin .
True
The coronary sinus drains blood from the wall of the heart into the left atrium.
False
The distribution of blood in capillary pathways is largely controlled by the action of precapillary sphincters.
True
The aorta is the largest artery within the pulmonary circuit.
False
The great saphenous vein is the longest in the body.
True
Cardiac output is calculated by multiplying the stroke volume by the systolic blood pressure.
False
Blood is supplied to the myocardium by means of the coronary arteries.
True
The blood vessels whose walls are thin enough to allow the exchange of gases between the blood and tissue fluid are arteries .
False
Lymphatic capillaries are thin-walled, closed-ended tubes.
True
The movement of lymph through lymphatic vessels is caused largely by muscular activities.
True
Lymph is tissue fluid that has entered a lymphatic capillary.
True
Edema is the condition caused by an accumulation of tissue fluid in the interstitial spaces.
True
Lymph nodes serve as centers for the production of lymphocytes which act against foreign particles carried in lymph.
False
Red blood cells cannot reproduce because they lack mitochondria.
False
Plasma represents 65% of norma1 blood volume.
False
Red blood cell production is stimulated by a hormone called erythropoietin, released from the liver.
False
The most numerous type of white blood cell Is the lymphocyte.
False