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SAMSACON2.0_PreclinicalQuiz

Total questions: 33

Worksheet time: 25mins

Name
Class
Date
1.

Enter your full name

4 lines
2.

Enter your college name

4 lines
3.

Enter your year of study

4 lines
4.

In which organelle of hepatocyte does the elongation of long chain fatty acid take place?

a)

Endoplasmic reticulum

b)

Mitochondria

c)

Peroxisome

d)

Both Endoplasmic Reticulum and Mitochondria

5.

Identify the phenomenon shown in the image.

a)

Translation

b)

Transformation

c)

Complementation

d)

Conjugation

6.

Which of the following is an infraclavicular branch of brachial plexus?

a)

Nerve to Subclavius

b)

Dorsal scapular Nerve.

c)

Nerve to Serratus Anterior

d)

Thoracodorsal Nerve

7.

In the context of the image shown below, which of the following is not a possibility?

a)

Extension at elbow joint

b)

Pronation at radio-ulnar joint

c)

Abduction and medial rotation at shoulder joint

d)

Sensory loss along the outer aspect of the arm

8.

The imaginary line passing through the bony prominences marked in red in the image lies at which vertebral level?

a)

Lower border of L3

b)

Upper border of L3

c)

Upper border of L5

d)

Lower border of L5

9.

Which of the following is false about lesion of oculomotor nucleus of the right side?

a)

There will be palsy of Medial Rectus of the right side

b)

There will be ipsilateral paralysis of Levator Palpebrae superioris

c)

There will be bilateral paralysis of the Superior Recti

d)

There will be ipsilateral paralysis of the Superior Rectus

10.

Which structure pierces the Clavipectoral Fascia from outside and goes into the deeper plane?

a)

Thoracoacromial trunk

b)

Cephalic vein

c)

Lateral Pectoral Nerve

d)

All of the above

11.

Which of the following is false about Supinator Syndrome?

a)

There is no wrist drop

b)

Fingerdrop is seen

c)

There is injury to Anterior interosseous nerve

d)

We do not get sensory loss in the skin over lateral 3.5 digits on dorsal side

12.

At what level of which tract can cordotomy be performed safely to relieve pain in the opposite side of the body?

a)

Cervical level of lateral spinothalamic tract

b)

Thoracic level of anterior spinothalamic tract

c)

Cervical level of anterior spinothalamic tract

d)

Thoracic level of lateral spinothalamic tract

13.

Which organ is referred to as the seat of the soul?

a)

Pituitary gland

b)

Hypothalamus

c)

Pineal Gland

d)

Thalamus

14.

__________ is caused due to sclerosis and deposition of cholesterol in the edge of cornea.

a)

Arcus senilis

b)

Arcus tendineus

c)

Arcus parieto occipitalis

d)

Arcus marginalis

15.

Which is the only urea cycle disorder which is inherited as an X­-linked disorder?

a)

Ornithine transcarbamylase deficiency

b)

Ornithine transporter deficiency

c)

CPS 1 deficiency

d)

CPS 2 deficiency

16.

Viperid venoms cause death by

a)

Causing nervous system disorders

b)

Stimulation of fibrinolytic system and causing hemorrhage

c)

Causing tetanus

d)

All of the above

17.

Wolff-Parkinson White syndrome is characterised by

a)

Presence of irritable ectopic focus in the ventricles

b)

QRS deflection shortens with slurred upstroke

c)

Prolonged PR interval

d)

Normal PJ interval

18.

A patient suffered a blunt cardiac injury, and consequently developed cardiogenic shock. He was given a drug, which acted to increase the contractility of the heart. Microelectrodes placed into the cardiac muscle cell found increased levels of Ca2+ inside the heart muscle cell. The drugs most likely affects which of the cellular structures?

a)

Na+/Ca2+ exchange channel

b)

Phosphodiesterase enzyme

c)

Na+/K+ channel

d)

Long type Ca2+ channel

19.

A 6-month old boy was brought to the clinic. The boy was recently adopted, and general survey shows a fair-skinned infant with blue eyes, and a musty body odour. Over the last week, he had bilateral arm and leg tremors lasting for about 2 minutes at a time. Biological family history is not available. There is a slightly low pressure, at 90/40 mm of Hg, and a heart rate of 120/min. Which of the amino acid metabolisms are affected in this individual?

a)

Valine

b)

Tyrosine

c)

Phenylalanine

d)

Tryptophan

20.

Carotid body chemoreceptors are stimulated by which of the following types of hypoxia___

a)

Anaemic

b)

Hypoxic

c)

Stagnant

d)

Hystotoxic

21.

Which of the following is the constituent of the marked area in the electron microscope picture of muscle?

a)

Actin

b)

Titin

c)

Tropomyosin

d)

Alpha actinin

22.

Insulin stimulated glucose uptake takes place in all the following except___

a)

Skeletal muscle

b)

Liver

c)

Heart

d)

Adipose tissue

23.

Conversion of serine to glycine requires which of the following vitamin as a co-factor?

a)

Folic acid

b)

Thiamine

c)

Vitamin C

d)

Cyanocobalamin

24.

Blurring of vision occurs when water enters the eyes because:

a)

No refraction occurs at Cornea

b)

Corneal surface becomes irregular

c)

Water is a poor medium for light transmission

d)

No refraction occurs at water layer formed in front of cornea

25.

Lesion at site F causes:

a)

Contralateral inferior quadrantanopia

b)

Contralateral superior quadrantanopia

c)

Contralateral homonymous hemianopia

d)

Central scotoma

26.

An anatomist was examining the liver of a cadaver. He noticed a fibrous band of tissue connecting the inferior vena cava to the left branch of the portal vein. In the embryo, this structure forms:

a)

Ductus venosus

b)

​Ligamentum teres

c)

Ligamentum venosum

d)

Umbilical vein

27.

A 50 year old man presented to the OPD with chest pain on exertion. He is sent for a preliminary angiogram. It reveals that his left anterior descending artery is 50% occluded. What is the reduced rate of blood flow?

a)

1/16th of normal

b)

1/2 of normal

c)

1/4th of normal

d)

1/8th of normal

28.

A 40 year old, overweight woman experiences severe colicky pain, aggravated after a fatty meal. The clinical exam is normal, apart from the obesity. Which gastric hormone may be the cause for this pain?

a)

Cholecystokinin

b)

Gastrin

c)

Secretin

d)

Motilin

29.

A first time mother goes into labor. During labour, the fetal heart rate suddenly drops. Panicked, the resident gyne performs a midline episiotomy. The vertical, midline incision made at the posterior vaginal opening, cuts through the vaginal and subvaginal mucosa. Which of the following structures is affected?

a)

Perineal body

b)

Bulbospongiosus muscle

c)

Superficial transverse perineal ligament

d)

Rectal mucosa

30.

A man of age 40 years complains of pain and burning sensation in feet. The person is most likely suffering from deficiency of:

a)

Thiamine

b)

Pantothenic acid

c)

Riboflavin

d)

Folic acid

31.

The End Systolic Volume is 50 mL and Stroke Volume is 70 mL. Find the ejection fraction (EF)?

a)

28.57%

b)

58.33%

c)

41.67%

d)

40%

32.

Which of the following is not an Autosomal Dominant Porphyria?

a)

Erythropoetic Porphyria

b)

Varigate Porphyria

c)

Porphyria Cutanea Tarda

d)

Congenital Erythropoetic Porphyria

33.

Which of the following is not a feature of Galactosemia?

a)

Hypoglycemia

b)

Hepatosplenomegaly

c)

Oil paint cataract

d)

None of the above