True or False : P lease mark “A” for true and “B” for false on your answer sheet

Question

True or False

:

P

lease mark

“A”

for

true

and

“B”

for

false

on your answer sheet.

1)

Peristalsis begins in the esophagus.

2)

A cell can respond to a hormone only if it possesses

receptors for that hormone.

3)

Carbonic acid is produced when oxygen

combines with bicarbonate ions

4)

Lacteals are specialized lymphatic capillaries that drain chy

l

e from the small intestine.

5)

The substrate for salivary amylase is starch.

6)

Partially di

gested food is usually passed from the stomach to the small intestine about

7

-

8 hours after consumption.

7)

If there is an overproduction of human growth hormone, up

-

regulation would be

expected to occur on target tissues.

8)

When the diaphragm contrac

ts, thoracic volume increases and alveolar pressure

decreases.

Explanation / Answer

1) A - yes. Peristaltic movement starts from esophagus which is one of the part of upper GI tract.

2) A -yes. Receptors are the binding sites for hormones.

3) B - No. Carbonic acid is produced, when carbon dioxide combines with oxygen.

4 TO 7 QUESTION IS NOT COMPLETE

8) A- Yes. Due to diaphragm contraction, negative pressure is created in thoracic cavity leads to thoracic volume increases and alveolar pressure decreases.

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