Description : Juxta glomerular apparatus (JGA) comprises of all of the following except:
Last Answer : Juxta glomerular apparatus (JGA) comprises of all of the following except: A. Macola densa cells ... cells C. Lacis cells D. Principal cells
Description : Assertion `:-` The wall of atria release ANF in response to high B.P. and blood volume. Reason `:-` ANF acts as a vasodilator and inhibits the release
Last Answer : Assertion `:-` The wall of atria release ANF in response to high B.P. and blood volume. Reason `: ... False. D. If both Assertion & Reason are false.
Description : A decrease in blood pressure/volume will not cause the release of (a) atrial natriuretic factor (b) aldosterone (c) ADH (d) renin.
Last Answer : (a) atrial natriuretic factor
Description : A decrease in blood pressure / volume will not cause the release of : (1) Atrial natriuretic factor(2) Aldosterone (3) ADH (4) Renin
Last Answer : (1) Atrial natriuretic factor
Description : Assertion `:-` An increase in glomerular blood pressure can activate the JG of kidney to release renin. Reason `:-` Angiotensin I is a powerful vaso c
Last Answer : Assertion `:-` An increase in glomerular blood pressure can activate the JG of kidney to release renin. ... . D. If both Assertion & Reason are false.
Description : A fall in glomerular filtration rate (GFR) activates (a) juxtaglomerular cells to release renin (b) adrenal cortex to release aldosterone (c) adrenal medulla to release adrenaline (d) posterior pituitary to release vasopressin.
Last Answer : (a) juxtaglomerular cells to release renin
Description : A fall in GFR can activate the juxta glomerular cells to release_____
Last Answer : A fall in GFR can activate the juxta glomerular cells to release_____
Description : Which of the following does not favour the formation of large quantities of dilute urine? (a) Renin (b) Atrial-natriuretic factor (c) Alcohol (d) Caffeine
Last Answer : (a) Renin
Description : Which of the following would help in prevention of diuresis? (a) More water reabsorption due to undersecretion of ADH. (b) Reabsorption of Na+ and water from renal tubules due to ... Atrial natriuretic factor causes vasoconstriction. (d) Decrease in secretion of renin by JG cells. (NEE
Last Answer : (b) Reabsorption of Na+ and water from renal tubules due to aldosterone.
Description : A pheromone is A) an endorphin released within the anterior pituitary. B) a growth factor related to the production of tumors. C) a product of a neurosecretory cell that acts on ... ) a regulatory hormone that stimulates or inhibits the release of hormones produced by other endocrine glands.
Last Answer : D) a chemical released by one animal to affect the behavior of another animal.
Description : When no atrial impulse is conducted through the AV node into the ventricles, the patient is said to be experiencing which type of AV block? a) Third degree In third degree heart block, two impulses ... , type II, only some of the atrial impulses are conducted through the AV node into the ventricles.
Last Answer : a) Third degree In third degree heart block, two impulses stimulate the heart—one stimulates the ventricles and one stimulates the atria.
Description : Assertion `:-` An increase in blood flow to the atria of heart can cause the release of ANF. Reason `:-` ANF can cause vasodilation and decrease the B
Last Answer : Assertion `:-` An increase in blood flow to the atria of heart can cause the release of ANF. ... False. D. If both Assertion & Reason are false.
Description : The following is true for gentamicin: A. It is more active in acidic medium B. It has a wide margin of safety C. It is excreted unchanged, mainly by glomerular filtration D. It primarily inhibits gram positive bacteria
Last Answer : C. It is excreted unchanged, mainly by glomerular filtration
Description : Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the ... sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.
Last Answer : (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle
Description : In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart? (a) S - start of systole (b) T - end of diastole (c) P - depolarisation of the atria (d) R - repolarisation of ventricles
Last Answer : (c) P - depolarisation of the atria
Description : Renin is released by
Last Answer : Renin is released by A. Cortical nephrons B. Collecting duct C. Juxtaglomerular appratus D. Pelvis
Description : In which the following condition can activate the JG cells to release renin `:-`
Last Answer : In which the following condition can activate the JG cells to release renin `:-` A. More `Na^(+ ... C. High glomerular blood pressure D. Fall in GFR
Description : Fall of GFR activate JG cells to release renin which converts angiotensinogen into____. Angiotensinogen-II is a powerfull_____. Causes increase in glo
Last Answer : Fall of GFR activate JG cells to release renin which converts angiotensinogen into____. ... glomerular blood pressure. Causes increase in_____.
Description : Aldosterone release is stimulated by (A) α2-Globulin (B) Renin (C) Angiotensin II (D) Growth hormone
Last Answer : Answer : C
Description : Methyl dopa decreases blood pressure by (A) Inhibiting the synthesis of catecholamines (B) Antagonising the action of aldosterone (C) Stimulating the release of renin (D) Inhibiting the breakdown of angiotensin
Last Answer : Answer : A
Description : Which of the following statement(s) is/are true concerning the neuroendocrine responses to shock? a. Sympathetic nerve endings release epinephrine which is responsible for greater than 80% ... injury and sepsis d. The renin-angiotensin axis further augments the sympathetic-mediated vasoconstriction
Last Answer : Answer: c, d The neuroendocrine response to shock attempts to achieve restoration of effective blood volume, mobilization of metabolic substrates, and maintenance of central ... . Angiotensin II is an extremely effective vasoconstrictor that further augments sympathetic-mediated vasoconstriction
Description : Actions of angiotensin II include: a. increases the release of aldosterone b. reduces renin release from the kidney c. vasodilatation d. promotes microalbuminuria
Last Answer : promotes microalbuminuria
Description : The following factors enhance renin release from the kidney except: A. Fall in blood pressure B. Reduction in blood volume C. Enhanced sympathetic activity D. Volume overload
Last Answer : D. Volume overload
Description : All of the following contribute to the antihypertensive action of propranolol except: A. Direct vasodilatation B. Decreased renin release from kidney C. Adaptation of blood vessels to reduced cardiac output D. Less noradrenaline release from sympathetic nerve endings
Last Answer : A. Direct vasodilatation
Description : The following action of adrenaline is not mediated by β receptors: A. Dilatation of blood vessels B. Dilatation of pupil C. Bronchodilation D. Renin release from kidney
Last Answer : B. Dilatation of pupil
Description : Assertion `:-` The JGA plays a complex regulaltory role. Reason `:-` An increase in glomerular blood flow `//` GFR can activate JG cells to release re
Last Answer : Assertion `:-` The JGA plays a complex regulaltory role. Reason `:-` An increase in glomerular blood ... . D. If both Assertion & Reason are false.
Description : Which one of the following statements is correct with respect to kidney function regulation? (a) When someone drinks lot of water, ADH release is suppressed. (b) Exposure to cold temperature ... During summer when body loses lot of water by evaporation, the release of ADH is suppressed.
Last Answer : (a) When someone drinks lot of water, ADH release is suppressed.
Description : Which of the following is incorrect about juxta medullary nephrons?
Last Answer : Which of the following is incorrect about juxta medullary nephrons? A. Vasa recta is prominent B. `Na^( ... limb of Henle D. Loop of Henle is long
Description : 3- Somatostatin inhibits the release of: A. Growth hormone B. Insulin C. Thyrotropin D. All of the above
Last Answer : 3- Somatostatin inhibits the release of: A. Growth hormone B. Insulin C. Thyrotropin D. All of the above
Description : The hormone somatostatin is resposible for inhibiting the motility and absobtion in the digestive tract. It also inhibits the release of insuline and
Last Answer : The hormone somatostatin is resposible for inhibiting the motility and absobtion in the digestive tract. It also ... Alph B. Beta C. Delta D. F cells
Description : In prokaryotes, chloramphenicol (A) Causes premature release of the polypeptide chain (B) Causes misreading of the mRNA (C) Depolymerises DNA (D) Inhibits peptidyl transferase activity
Description : Guanethidine inhibits (a) Synthesis of transmitter (b) Metabolism of transmitter (c) Release of transmitter (d) Displacement of transmitter from axonal terminal
Last Answer : Ans: C
Description : Diazoxide is an effective hypotensive, but is not used in the long-term treatment of hypertension because: A. It impairs glucose tolerance by inhibiting insulin release B. It inhibits uric acid ... causes marked Na+ and water retention leading to development of tolerance D. All of the above
Last Answer : D. All of the above
Description : A. It is a clonidine congener used in spasticity due to stroke or spinal injury B. It reduces muscle tone by activating GABAB receptors C. It inhibits release of excitatory amino-acids in spinal interneurones D. It reduces muscle spasms without producing weaknes
Last Answer : B. It reduces muscle tone by activating GABAB receptors
Description : 16.6 Somatostatin inhibits the release of: A. Growth hormone B. Insulin C. Thyrotropin D. All of the above
Description : True statements about ECG include: a. the P-R interval corresponds to the duration of atrial systole b. the T-wave ends at the time of aortic valve closure c. the ST segment represents repolarization of the ventricles d. all
Last Answer : all
Description : Given below is the ECG of a normal human. Which one of its components is correctly interpreted below? (a) Complex QRS - one complete pulse (b) Peak T - initiation of total cardiac ... R together - systolic and diastolic blood pressures (d) Peak P- initiation of left atrial contraction only
Last Answer : (a) Complex QRS - one complete pulse
Description : Which of the following is true about Atrial Natriuretic Factor (ANF)?
Last Answer : Which of the following is true about Atrial Natriuretic Factor (ANF)? A. An increase in blood volume and B. ... ANF acts as a check on RAAS D. 1 and3
Description : Cyclic GMP acts as the second messenger for (A) Nerve growth factor (B) Atrial natriuretic factor (C) Epinephrine (D) Norepinephrine
Last Answer : Answer : B
Description : Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other? (a) Aldosterone Atrial Natriuretic Factor (b) Relaxin Inhibin (c) Parathormone Calcitonin (d) Insulin Glucagon
Last Answer : (b) Relaxin Inhibin
Description : Name the hormone secreted by atria of heart which causes dilation of blood vessel and reduces blood pressure.
Last Answer : Name the hormone secreted by atria of heart which causes dilation of blood vessel and reduces blood pressure.
Description : Blood which heart pumps to lungs is-----? A. deoxygenated blood (Answer) B. lymph fluid C. atria blood
Last Answer : A. deoxygenated blood (Answer)
Description : The diagram given here is the standard ECG of a normal person. The P-wave represents the (a) beginning of the systole (b) end of systole (c) contraction of both the atria (d) initiation of the ventricular contraction.
Last Answer : (c) contraction of both the atria
Description : Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when (a) AV node receives signal from SA node (b) AV valves open up (c) Ventricular ... blood from atria (d) Semilunar valves close down after the blood flows into vessels from ventricles.
Last Answer : (d) Semilunar valves close down after the blood flows into vessels from ventricles
Description : Match the column - I with column - II. Column-I Column-II (A) P-wave (i) Depolarisation of ventricles (B) QRS complex (ii) Repolarisation of ventricles (C) T-wave (iii) Coronary ischaemia (D) Reduction in the size of T- wave (iv) ... ) (i) (ii) (iii) (c) (iv) (i) (ii) (v) (d) (ii) (i) (v) (iii)
Last Answer : (b) (iv) (i) (ii) (iii)
Description : Which of the following ECG waveforms characterizes conduction of an electrical impulse through the left ventricle? a) QRS complex The QRS complex represents ventricular depolarization b) P ... QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.
Last Answer : a) QRS complex The QRS complex represents ventricular depolarization
Description : Which of the following ECG characteristics is usually seen when a patient's serum potassium level is low? a) U wave The U wave is an ECG waveform characteristic that may ... interval The QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.
Last Answer : a) U wave The U wave is an ECG waveform characteristic that may reflect Purkinje fiber repolarization. It is usually seen when a patient’s serum potassium level is low.