Practice Exam questions Flashcards

1
Q

Which hormone stimulates RBC production and where is it released from?

A

Erythropoietin from kidneys in response to hypoxia

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2
Q

Homeostasis means

A

Maintaining a stable internal environment

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3
Q

Chemical synapses in the nervous system release…

A

Neurotransmitters from pre synaptic vesicles

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4
Q

Where is the primary sensory cortex located?

A

Parietal lobe

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5
Q

When a cell is bathed in a hypotonic solution, water…

A

Moves into the cell

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6
Q

The antibodies (agglutinins) found in the blood of a person with blood group O are:

A

Anti -A and Anti -B

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7
Q

Compared to veins, arteries have _______ lumens

A

Smaller lumens

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8
Q

What happens during quiet inspiration?

A

Air enters the lungs until intrapulmonary pressure is equal to atmospheric pressure

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9
Q

State one function of the cerebellum

A

Balance, coordination of movement and posture

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10
Q

What is produced by the choroid plexus of the ventricles?

A

Cerebrospinal fluid

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11
Q

Glucagon does what?

A

Stimulates glycogenolysis

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12
Q

Low density lipoproteins found in the plasma…

A

Transport cholesterol from the liver to tissues

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13
Q

What does trypsin do?

A

Activates pro-peptidases in the duodenum

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14
Q

What cells release trypsin and where is it released?

A

Pancreatic acinar cells release trypsin into the duodenum

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15
Q

What do you know about CCK?

A

Hormone released in the duodenum involved in digestion and bile production. It stimulates contraction of the gall bladder.

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16
Q

Parietal cells..

A

Contain the enzyme carbonic anhydrase

Secrete HCl

17
Q

Saliva…

A

Initiates the digestion of carbohydrates

18
Q

HCl…

A

Released in the stomach by parietal cells

Kills microbes eaten with food

19
Q

By what process do oogenia turn into oocytes?

A

Oogenesis, meiosis.

20
Q

What is ovulation and when does it occur?

A

Release of an ovum on day 14

21
Q

What is fertilisation and what does it form?

A

Fusion of sperm and ovum to for a zygote

22
Q

How many chromosomes are in a fertilised ovum?

A

46

23
Q

How do fertilised ovum divide?

A

Mitosis