Physiology

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Physiology

10 Apr, 18:45

Correct Answer - B
Ans. B. Submucosal plexus

Myenteric plexus (Auerbach's plexus) - External plexus.
Meissner's plexus (submucosal plexus) - Inner plexus.

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8.3k 0 9 13

Physiology

9 Apr, 18:44

Inner plexus in GIT is ? #PYQ#FMGE#NEETPG#INICET

Опрос

A.Mucosal plexus
B.Submucosal plexus
C.Myenteric plexus
D.Auerbach's plexus

3322 голосов

11.4k 1 24 1 41

Correct Answer - D
Ans. D. Cell membrane damage
[Ref: Clinical physiology 24th/e p.222]

Electromyography is a process of recording electrical activity of
muscles.

It can be done by either of the two methods:
1. By putting a surface electrode and recording activity of underlying
muscle.
2. By inserting a needle electrode into the muscle.

There are there types of signals (by needle electrode) : -
i) Insertional activity:
It is the electrical activity at the time of insertion of electrode due to disruption of cell membrane.
This should be ignored.
ii) Resting activity (spontaneous activity).
iii) Voluntary muscle recruitment.

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15.8k 0 11 25

Physiology

1 Apr, 09:58

In electromyograply [EMG] transient response at the time of insertion of eloctrode indicates ? #PYQ#FMGE#NEETPG#INICET

Опрос

A.Spontaneous muscle activity
B.Voluntary muscle activity
C.Induced muscle activity
D.Cell membrane damage

2783 голосов

17.4k 2 26 1 26

Physiology

30 Mar, 21:35

Correct Answer - A
Ans. A. Bile salts

Bile (Major constituent bile salts) is absorbed in terminal ileum.

Iron and calcium are absorbed in duodenum.

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14.6k 0 15 18

Physiology

29 Mar, 21:34

If the ileum is excised, what will increase in stool? #PYQ#FMGE#NEETPG#INICET

Опрос

A.Bile salts
B.Bile acid
C.Calcium
D.Iron

4309 голосов

17.2k 2 41 29

Physiology

29 Mar, 11:02

Correct Answer - C
Ans. C. GLUT-4
[Ref Principles of medical physiology p.790]

GLUT-4 is responsible for facilitating the transport of glucose into the cells in response to insulin.

For this reason, mutation in GLUT-4 have been associated with type
2 diabetes.

The GLUT-4 gene is located on short arm of chromosome 17
(17p13).

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13.1k 0 10 23

Physiology

28 Mar, 11:00

Glucose transporter affected in diabetes mellitus? #PYQ#FMGE#NEETPG#INICET

Опрос

A.GLUT-1
B.GLUT-2
C.GLUT-4
D.GLUT-5

4702 голосов

16.7k 1 24 3 24

Physiology

27 Mar, 09:26

Correct Answer - B
Ans. B. Early morning
[Ref Textbook of clinical endocrinology p. 78]

The secretion of ACTH and consequently that of cortisol follows a circadian rhythm due to hypothalamic (Suprachiasmatic nucleus) control.

ACTH secretion is minimum during night and maximum early in the
morning (6-8 am).

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14.4k 0 5 1 22

Physiology

26 Mar, 09:24

Secretion of cortisol is highest at? #PYQ#FMGE#NEETPG#INICET

Опрос

A.Mid night
B.Early morning
C.Afternoon
D.Evening

4652 голосов

18.5k 0 31 22

Physiology

25 Mar, 21:21

Correct Answer - B
Ans. B. Muscle tone maintenance
[Ref Understanding of medical physiology p.138]
If a skeletal muscle is stretched, it respond by contracting.
In other words, if a muscle is stretched, it tends to become shorter and more stiff, thereby resisting stretch.

This is because of receptor sensitive to stretch within the muscle.
Stretch receptor within a muscle is called "muscle spindles".
Stretch reflex has two principal functions:

1) To maintain muscle tone
Tone is a tendency of a muscle to resist being stretched.
Muscle tone is not only important for maintaining posture but also
facilitates locomotion and makes all voluntary movement smooth.
2) To make muscles respond to stretch and release.

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13.6k 0 5 28

Physiology

24 Mar, 21:20

Function of muscle spindle is?#PYQ#FMGE#NEETPG#INICET

Опрос

A.Movement of limb
B.Maintain tone of muscle
C.Goal oriented muscle contraction
D.All of the above

3979 голосов

15.4k 1 22 19

Physiology

24 Mar, 14:18

Correct Answer - B
Ans:B. Aquaporin 2

Principal cells of collecting duct contain a regulated system of water channels antidiuretic hormone (ADH, also called arginine
vasopressin, AVP).

ADH controls permeability of these cells to water by regulating
insertion of pre-formed water channels (aquaporin-2, AQP2) into
apical membrane.

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13.8k 0 5 1 10

Physiology

23 Mar, 14:16

Vasopressin acts through which channels in collecting duct? #PYQ#FMGE#NEETPG#INICET

Опрос

A.Aquaporin 1
B.Aquaporin 2
C.GLUT 2
D.GLUT 4

3582 голосов

14.1k 0 11 38

Physiology

22 Mar, 22:36

Correct Answer - A
Ans. is 'a' i.e., ADH
(principles of medical physiology p. 573)

Blood pressure is regulated by following mechanisms.

Short term regulation
These mechanisms act immediately and correct the blood pressure
quickly.

These are :-
1. Baroreceptor reflex: Works during Bp range 70-150 mmHg
2. Chemoreceptor reflex - Works when Bp below 80 mmHg.
3. CNS ischemic response : This the only hope of survival when BP is below 40 mmHg.

Hormonal release : These are -
1. Antidiuretic hormone (ADH) : Increases water reabsorption in
kidney.
2. Angiotensin II: Causes vasoconstriction.

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15.2k 0 18 40

Physiology

21 Mar, 22:34

Hormone responsible for BP regulation after a fall due to blood loss. #PYQ#FMGE#NEETPG#INICET

Опрос

A.ADH
B.ANP
C.Epinephrine
D.Aldosterone

4476 голосов

16.8k 0 32 32

Physiology

21 Mar, 20:47

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Physiology

13 Mar, 11:07

Correct Answer - C
Ans. C. Acetylcholine
Nerve supply of sweat gland is unique in that it k sympathetic but
cholinergic (most other sympathetic sites are noradrenergic)

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19.9k 0 10 26

Physiology

12 Mar, 11:06

Sweating is mediated by ? #PYQ#FMGE#NEETPG#INICET

Опрос

A.Norepinephrine
B.epinephrine
C.Acetylcholine
D.Histamine

5367 голосов

23.4k 2 34 1 41

Physiology

4 Mar, 14:18

Correct Answer - C
Ans. C. Free nerve endings
Pain receptors are free nerve endings, i.e. they are not enclosed in a capsule.

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23.1k 0 3 15

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