-
resting membrane potential is determined by which ion ?
Correct Answer:
k+
Your Answer:
Na+
-
volume regulations of excitable tissue is maintained by which of the following ion pumps ?
Your Answer:
Na+/k+ - ATPase
-
what is the underlying mechanism behind relative refractory period?
Correct Answer:
k+ conductance is high
Your Answer:
Na+ channel in open state
-
phase o of cardiac action potential corresponds to what wave in ECG?
Your Answer:
QRS complex
-
what is the difference between contractions of skeletal muscle and cardiac muscle?
Correct Answer:
all of the above
Your Answer:
cardiac cells are coupled by gap junctions
-
in which vascular system, turbulence appears first in anemia?
Your Answer:
aorta
-
in which of the following conditions coronary flow is required to increase least in regards to increase in cardiac workload?
Correct Answer:
aortic regurgitation (AR)
Your Answer:
hypertension (HTN)
-
which of the following muscles help in Forced expiration?
Your Answer:
internal intercostals
-
what is the major factor driving glomerular filtration at renal corpuscle?
Correct Answer:
hydrostatic force at glomerular capillaries
Your Answer:
all contribute equally
-
most of the filtered Na+ is re-absorbed in which part of collecting system in kidney?
Correct Answer:
PCT
Your Answer:
LOH
-
CD (collecting duct) has all following except
Correct Answer:
none
Your Answer:
mineralocorticoid receptors
-
what is the most common manifestation of pituitary adenomas?
Correct Answer:
hypogonadism
Your Answer:
acromegaly
-
which is the factor affecting synthesis of ADH?
Your Answer:
both
-
In SIADH which of the following is false?
Correct Answer:
hypernatremia
Your Answer:
increased urine osmolality
