Name: Score:
151 Multiple choice questions
Term 1 of 151
The _________ is the only electrical connection between the heart's atria and the ventricles.
SA node
AV bundle
AV node
Purkinje fibers
None of the above
Term 2 of 151
The process of selectively moving substances from the blood into the filtrate is called what?
glomerular filtration
tubular secretion
tubular reabsorption
glomerular reabsorption
Term 3 of 151
True or false: T3 is ten times more active than T4.
True
False
,Term 4 of 151
A substantial hemorrhage results in a systemic blood pressure less than 80mmHg. Which one of
the following mechanisms is capable of returning GFR to normal?
the myogenic mechanism
Tubuloglomerular feedback mechanism
Renin-angiotensin-aldosterone mechanism
Atrial natruretic peptide
Term 5 of 151
Combination of two molecules of DIT in the thyroid's follicular cells will result in the generation of
what molecule?
T3
T4
tyrosine
colloid
Term 6 of 151
The function of the heart valves is to:
prevent blood from flowing backwards through the heart
Control blood flow through the vena cava into the atria
Control blood flow between the right and left ventricle
All of the above
,Term 7 of 151
Granular cells, like the baroreceptors, contain which specialized complexes that allow then to
detect changes in blood pressure?
osmoreceptors
mechanoreceptors
voltage gated channels
pH receptor
Term 8 of 151
This is a protein complex comprised of ~20 various proteins whose role in immunity is to generate
"holes" or pores in invading microorganisms leading to cell lysis.
interferons
interleukins
antibodies
complement
Term 9 of 151
True or false: ACTH binds and activates intracellular receptors at its target cells.
True
False
Term 10 of 151
Low circulating levels of Ca2+ in the blood will trigger the release of what hormone?
parathyroid hormone
calcitonin
ACTH
insulin
, Term 11 of 151
Natural killer cells function by stimulating infected cells of the body to do what?
proliferate
migrate into the lymphatic system
undergo apoptosis
present foreign antigens on their cell surface
Term 12 of 151
65% of sodium (Na+) is reabsorbed in the ________.
renal corpuscle
proximal convoluted tubule
loop of henle
distal convoluted tubule
collecting duct
Term 13 of 151
The middle layer of the heart is made up of:
the endothelium
the adventitia
myocardium
Ilium
151 Multiple choice questions
Term 1 of 151
The _________ is the only electrical connection between the heart's atria and the ventricles.
SA node
AV bundle
AV node
Purkinje fibers
None of the above
Term 2 of 151
The process of selectively moving substances from the blood into the filtrate is called what?
glomerular filtration
tubular secretion
tubular reabsorption
glomerular reabsorption
Term 3 of 151
True or false: T3 is ten times more active than T4.
True
False
,Term 4 of 151
A substantial hemorrhage results in a systemic blood pressure less than 80mmHg. Which one of
the following mechanisms is capable of returning GFR to normal?
the myogenic mechanism
Tubuloglomerular feedback mechanism
Renin-angiotensin-aldosterone mechanism
Atrial natruretic peptide
Term 5 of 151
Combination of two molecules of DIT in the thyroid's follicular cells will result in the generation of
what molecule?
T3
T4
tyrosine
colloid
Term 6 of 151
The function of the heart valves is to:
prevent blood from flowing backwards through the heart
Control blood flow through the vena cava into the atria
Control blood flow between the right and left ventricle
All of the above
,Term 7 of 151
Granular cells, like the baroreceptors, contain which specialized complexes that allow then to
detect changes in blood pressure?
osmoreceptors
mechanoreceptors
voltage gated channels
pH receptor
Term 8 of 151
This is a protein complex comprised of ~20 various proteins whose role in immunity is to generate
"holes" or pores in invading microorganisms leading to cell lysis.
interferons
interleukins
antibodies
complement
Term 9 of 151
True or false: ACTH binds and activates intracellular receptors at its target cells.
True
False
Term 10 of 151
Low circulating levels of Ca2+ in the blood will trigger the release of what hormone?
parathyroid hormone
calcitonin
ACTH
insulin
, Term 11 of 151
Natural killer cells function by stimulating infected cells of the body to do what?
proliferate
migrate into the lymphatic system
undergo apoptosis
present foreign antigens on their cell surface
Term 12 of 151
65% of sodium (Na+) is reabsorbed in the ________.
renal corpuscle
proximal convoluted tubule
loop of henle
distal convoluted tubule
collecting duct
Term 13 of 151
The middle layer of the heart is made up of:
the endothelium
the adventitia
myocardium
Ilium
