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Flashcards in Nord Questions Deck (60)
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1

What is the correct sequence of complexity within an organism, going from smallest complexity to largest?

Chemical - cellular - tissue - organ - body system - organism

2

True or false
The peritoneum only covers the organs in the pelvic cavity

False

3

True or false
The basic building blocks for making proteins are monosaccharides

False

4

An atom consists of a nucleus which contains positively charged....

Protons

5

The nucleus contains neutrons which are....

Uncharged

6

What subatomic particle circles around the nucleus

Electrons

7

How are electrons charged?

Negatively

8

The number of positively and negatively charged particles is usually equal so each atom is electrically....

Neutral

9

What is the process whereby the body maintains a stable internal environment?

Homeostasis

10

When body temperature rises, a centre in the brain initiates physiological changes to decrease the body temperature. This is an example of...

Negative feedback

11

What is the division of the autonomic nervous system that maintains homeostasis during resting conditions?

The parasympathetic division

12

How does a calcium atom become an ion?

It gives up two electrons to another ion

13

What sort of chemical bond joins hydrogen and oxygen together to form water?

Covalent

14

What does connective tissue consist of?

Cells and an extra-cellular matrix of fibres and ground substance

15

In the human body, cell membranes are...

Perforated by large proteins which help transport some substances into or out of the cell

16

If the extra-cellular fluid contains a greater concentration of solutes, then the extra-cellular fluid is said to be....

Hypertonic

17

Which organelles are ‘paralysed’ by nicotine during smoking?

Cilia

18

What is the process called by which the genetic information encoded in DNA is copied to RNA?

Transcription

19

What is the stage in mitosis where the sister chromatids separates called?

Anaphase

20

What event occurs in meiosis, but not in mitosis

Pairing of the homologous chromosomes

21

Mary has a brother with Haemophilia A, a recessive, X-linked genetic disease. Her parents are not affected by the disease. What is the chance that Mary is a carrier of the disease mutation?

50%

22

During the menstrual cycle, the repair and regrow the of the endometrium is stimulated by rising levels of which hormone?

Oestrogen

23

True or false
The posterior fonix is part of the uterus?

False

24

True or false?
The ovaries are the site of follicle development and the release of oestrogen and progesterone?

True

25

The pelvic brim is made smaller by the...

Sacral promentary

26

What do the deep muscles of the pelvic floor cause compression of?

The urethra, vagina and rectum

27

What does the cervical mucosa undergo during pregnancy

Hypertrophy and hyperplasia

28

What structures help to form the outlet of the pelvis?

The lower border of the symphysis pubis, the ischial spines, the sacro-spinous ligaments and the lower border of the sacrum

29

What organism can replicate its DNA inside the host’s cells?

Virus

30

True or false
During the activation phase of pregnancy, oestrogen is dominant, so more gap junctions develop and the uterus becomes more active

True