Mcq Subject: Physiology

Question 1

Haemoglobin can bind to all the following except

A. O2

B. CO2

C. SO2

D. NO

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Answer

A. Norepinephrine is released by the vascular smooth muscle cells

B. Acetylcholine is released onto vascular smooth muscle cells

C. Norepinephrine is released from axons onto the arteriolar wall

D. The arterioles constrict because nitric oxide production is suppressed

Answer

A. Ventricular repolarization

B. Atrial depolarization

C. Conduction through AV node

D. Ventricular depolarization

Answer

A. The acrosome reaction

B. The zona reaction

C. The perivitelline space

D. Pro nuclei formation

Answer

A. Apneusis

B. Rapid, shallow breathing

C. Irregular gasping type of breathing

D. No change in pattern of breathing

Answer

A. Positive feed-back by progesterone

B. Positive feed-back by estrogen

C. Positive feed-back by FSH

D. Positive feed-bad by relaxin

Answer

A. Increased Growth hormones secretion

B. Enhanced rate of gluconegenesis

C. Increased absorption of amino acids from diet

D. Increased secretion of Insulin

Answer

A. Basilar

B. Reissner's

C. Tectorial

D. Tympanic

Answer

A. Is capable of generating impulses spontaneously

B. Has rich sympathetic innervations.

C. Has poor cholinergic innervations

D. Generates impulses at the highest rate.

Question 2

When the sympathetic nervous system is activated:

A. Norepinephrine is released by the vascular smooth muscle cells

B. Acetylcholine is released onto vascular smooth muscle cells

C. Norepinephrine is released from axons onto the arteriolar wall

D. The arterioles constrict because nitric oxide production is suppressed

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Question 3

Most diffusable ion in excitable tissue is –

A. Na+

B. K+

C. PO4-

D. Cl-

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Question 4

QRS complex is due to –

A. Ventricular repolarization

B. Atrial depolarization

C. Conduction through AV node

D. Ventricular depolarization

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Question 5

Upon contact between the sperm head and the zona pellucida, penetration of the sperm into the egg is allowed because of:

A. The acrosome reaction

B. The zona reaction

C. The perivitelline space

D. Pro nuclei formation

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Question 6

Damage to lower pons, leaving upper pons intact, will result in:

A. Apneusis

B. Rapid, shallow breathing

C. Irregular gasping type of breathing

D. No change in pattern of breathing

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Question 7

Increased LH secretion just before ovulation is due to

A. Positive feed-back by progesterone

B. Positive feed-back by estrogen

C. Positive feed-back by FSH

D. Positive feed-bad by relaxin

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Question 8

In a seriously ill patient, addition of amino acids in diet results in a positive nitrogen balance. The mechanism for this is

A. Increased Growth hormones secretion

B. Enhanced rate of gluconegenesis

C. Increased absorption of amino acids from diet

D. Increased secretion of Insulin

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Question 9

The stereocilia of hair cells are embedded in which membrane?

A. Basilar

B. Reissner's

C. Tectorial

D. Tympanic

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Question 10

S.A. node acts as a pacemaker of the hea because of the fact that it:

A. Is capable of generating impulses spontaneously

B. Has rich sympathetic innervations.

C. Has poor cholinergic innervations

D. Generates impulses at the highest rate.

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Mcq Subject: Physiology

Haemoglobin can bind to all the following except

When the sympathetic nervous system is activated:

Most diffusable ion in excitable tissue is –

QRS complex is due to –

Upon contact between the sperm head and the zona pellucida, penetration of the sperm into the egg is allowed because of:

Damage to lower pons, leaving upper pons intact, will result in:

Increased LH secretion just before ovulation is due to

In a seriously ill patient, addition of amino acids in diet results in a positive nitrogen balance. The mechanism for this is

The stereocilia of hair cells are embedded in which membrane?

S.A. node acts as a pacemaker of the hea because of the fact that it:

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